| ; RUN: llc -mtriple=aarch64-linux-gnu -aarch64-enable-atomic-cfg-tidy=0 -disable-lsr -verify-machineinstrs -o - %s | FileCheck --check-prefix=CHECK --check-prefix=NOSTRICTALIGN %s |
| ; RUN: llc -mtriple=aarch64-linux-gnu -mattr=+strict-align -aarch64-enable-atomic-cfg-tidy=0 -disable-lsr -verify-machineinstrs -o - %s | FileCheck --check-prefix=CHECK --check-prefix=STRICTALIGN %s |
| |
| ; This file contains tests for the AArch64 load/store optimizer. |
| |
| %padding = type { i8*, i8*, i8*, i8* } |
| %s.byte = type { i8, i8 } |
| %s.halfword = type { i16, i16 } |
| %s.word = type { i32, i32 } |
| %s.doubleword = type { i64, i32 } |
| %s.quadword = type { fp128, i32 } |
| %s.float = type { float, i32 } |
| %s.double = type { double, i32 } |
| %struct.byte = type { %padding, %s.byte } |
| %struct.halfword = type { %padding, %s.halfword } |
| %struct.word = type { %padding, %s.word } |
| %struct.doubleword = type { %padding, %s.doubleword } |
| %struct.quadword = type { %padding, %s.quadword } |
| %struct.float = type { %padding, %s.float } |
| %struct.double = type { %padding, %s.double } |
| |
| ; Check the following transform: |
| ; |
| ; (ldr|str) X, [x0, #32] |
| ; ... |
| ; add x0, x0, #32 |
| ; -> |
| ; (ldr|str) X, [x0, #32]! |
| ; |
| ; with X being either w1, x1, s0, d0 or q0. |
| |
| declare void @bar_byte(%s.byte*, i8) |
| |
| define void @load-pre-indexed-byte(%struct.byte* %ptr) nounwind { |
| ; CHECK-LABEL: load-pre-indexed-byte |
| ; CHECK: ldrb w{{[0-9]+}}, [x{{[0-9]+}}, #32]! |
| entry: |
| %a = getelementptr inbounds %struct.byte, %struct.byte* %ptr, i64 0, i32 1, i32 0 |
| %add = load i8, i8* %a, align 4 |
| br label %bar |
| bar: |
| %c = getelementptr inbounds %struct.byte, %struct.byte* %ptr, i64 0, i32 1 |
| tail call void @bar_byte(%s.byte* %c, i8 %add) |
| ret void |
| } |
| |
| define void @store-pre-indexed-byte(%struct.byte* %ptr, i8 %val) nounwind { |
| ; CHECK-LABEL: store-pre-indexed-byte |
| ; CHECK: strb w{{[0-9]+}}, [x{{[0-9]+}}, #32]! |
| entry: |
| %a = getelementptr inbounds %struct.byte, %struct.byte* %ptr, i64 0, i32 1, i32 0 |
| store i8 %val, i8* %a, align 4 |
| br label %bar |
| bar: |
| %c = getelementptr inbounds %struct.byte, %struct.byte* %ptr, i64 0, i32 1 |
| tail call void @bar_byte(%s.byte* %c, i8 %val) |
| ret void |
| } |
| |
| declare void @bar_halfword(%s.halfword*, i16) |
| |
| define void @load-pre-indexed-halfword(%struct.halfword* %ptr) nounwind { |
| ; CHECK-LABEL: load-pre-indexed-halfword |
| ; CHECK: ldrh w{{[0-9]+}}, [x{{[0-9]+}}, #32]! |
| entry: |
| %a = getelementptr inbounds %struct.halfword, %struct.halfword* %ptr, i64 0, i32 1, i32 0 |
| %add = load i16, i16* %a, align 4 |
| br label %bar |
| bar: |
| %c = getelementptr inbounds %struct.halfword, %struct.halfword* %ptr, i64 0, i32 1 |
| tail call void @bar_halfword(%s.halfword* %c, i16 %add) |
| ret void |
| } |
| |
| define void @store-pre-indexed-halfword(%struct.halfword* %ptr, i16 %val) nounwind { |
| ; CHECK-LABEL: store-pre-indexed-halfword |
| ; CHECK: strh w{{[0-9]+}}, [x{{[0-9]+}}, #32]! |
| entry: |
| %a = getelementptr inbounds %struct.halfword, %struct.halfword* %ptr, i64 0, i32 1, i32 0 |
| store i16 %val, i16* %a, align 4 |
| br label %bar |
| bar: |
| %c = getelementptr inbounds %struct.halfword, %struct.halfword* %ptr, i64 0, i32 1 |
| tail call void @bar_halfword(%s.halfword* %c, i16 %val) |
| ret void |
| } |
| |
| declare void @bar_word(%s.word*, i32) |
| |
| define void @load-pre-indexed-word(%struct.word* %ptr) nounwind { |
| ; CHECK-LABEL: load-pre-indexed-word |
| ; CHECK: ldr w{{[0-9]+}}, [x{{[0-9]+}}, #32]! |
| entry: |
| %a = getelementptr inbounds %struct.word, %struct.word* %ptr, i64 0, i32 1, i32 0 |
| %add = load i32, i32* %a, align 4 |
| br label %bar |
| bar: |
| %c = getelementptr inbounds %struct.word, %struct.word* %ptr, i64 0, i32 1 |
| tail call void @bar_word(%s.word* %c, i32 %add) |
| ret void |
| } |
| |
| define void @store-pre-indexed-word(%struct.word* %ptr, i32 %val) nounwind { |
| ; CHECK-LABEL: store-pre-indexed-word |
| ; CHECK: str w{{[0-9]+}}, [x{{[0-9]+}}, #32]! |
| entry: |
| %a = getelementptr inbounds %struct.word, %struct.word* %ptr, i64 0, i32 1, i32 0 |
| store i32 %val, i32* %a, align 4 |
| br label %bar |
| bar: |
| %c = getelementptr inbounds %struct.word, %struct.word* %ptr, i64 0, i32 1 |
| tail call void @bar_word(%s.word* %c, i32 %val) |
| ret void |
| } |
| |
| declare void @bar_doubleword(%s.doubleword*, i64) |
| |
| define void @load-pre-indexed-doubleword(%struct.doubleword* %ptr) nounwind { |
| ; CHECK-LABEL: load-pre-indexed-doubleword |
| ; CHECK: ldr x{{[0-9]+}}, [x{{[0-9]+}}, #32]! |
| entry: |
| %a = getelementptr inbounds %struct.doubleword, %struct.doubleword* %ptr, i64 0, i32 1, i32 0 |
| %add = load i64, i64* %a, align 8 |
| br label %bar |
| bar: |
| %c = getelementptr inbounds %struct.doubleword, %struct.doubleword* %ptr, i64 0, i32 1 |
| tail call void @bar_doubleword(%s.doubleword* %c, i64 %add) |
| ret void |
| } |
| |
| define void @store-pre-indexed-doubleword(%struct.doubleword* %ptr, i64 %val) nounwind { |
| ; CHECK-LABEL: store-pre-indexed-doubleword |
| ; CHECK: str x{{[0-9]+}}, [x{{[0-9]+}}, #32]! |
| entry: |
| %a = getelementptr inbounds %struct.doubleword, %struct.doubleword* %ptr, i64 0, i32 1, i32 0 |
| store i64 %val, i64* %a, align 8 |
| br label %bar |
| bar: |
| %c = getelementptr inbounds %struct.doubleword, %struct.doubleword* %ptr, i64 0, i32 1 |
| tail call void @bar_doubleword(%s.doubleword* %c, i64 %val) |
| ret void |
| } |
| |
| declare void @bar_quadword(%s.quadword*, fp128) |
| |
| define void @load-pre-indexed-quadword(%struct.quadword* %ptr) nounwind { |
| ; CHECK-LABEL: load-pre-indexed-quadword |
| ; CHECK: ldr q{{[0-9]+}}, [x{{[0-9]+}}, #32]! |
| entry: |
| %a = getelementptr inbounds %struct.quadword, %struct.quadword* %ptr, i64 0, i32 1, i32 0 |
| %add = load fp128, fp128* %a, align 16 |
| br label %bar |
| bar: |
| %c = getelementptr inbounds %struct.quadword, %struct.quadword* %ptr, i64 0, i32 1 |
| tail call void @bar_quadword(%s.quadword* %c, fp128 %add) |
| ret void |
| } |
| |
| define void @store-pre-indexed-quadword(%struct.quadword* %ptr, fp128 %val) nounwind { |
| ; CHECK-LABEL: store-pre-indexed-quadword |
| ; CHECK: str q{{[0-9]+}}, [x{{[0-9]+}}, #32]! |
| entry: |
| %a = getelementptr inbounds %struct.quadword, %struct.quadword* %ptr, i64 0, i32 1, i32 0 |
| store fp128 %val, fp128* %a, align 16 |
| br label %bar |
| bar: |
| %c = getelementptr inbounds %struct.quadword, %struct.quadword* %ptr, i64 0, i32 1 |
| tail call void @bar_quadword(%s.quadword* %c, fp128 %val) |
| ret void |
| } |
| |
| declare void @bar_float(%s.float*, float) |
| |
| define void @load-pre-indexed-float(%struct.float* %ptr) nounwind { |
| ; CHECK-LABEL: load-pre-indexed-float |
| ; CHECK: ldr s{{[0-9]+}}, [x{{[0-9]+}}, #32]! |
| entry: |
| %a = getelementptr inbounds %struct.float, %struct.float* %ptr, i64 0, i32 1, i32 0 |
| %add = load float, float* %a, align 4 |
| br label %bar |
| bar: |
| %c = getelementptr inbounds %struct.float, %struct.float* %ptr, i64 0, i32 1 |
| tail call void @bar_float(%s.float* %c, float %add) |
| ret void |
| } |
| |
| define void @store-pre-indexed-float(%struct.float* %ptr, float %val) nounwind { |
| ; CHECK-LABEL: store-pre-indexed-float |
| ; CHECK: str s{{[0-9]+}}, [x{{[0-9]+}}, #32]! |
| entry: |
| %a = getelementptr inbounds %struct.float, %struct.float* %ptr, i64 0, i32 1, i32 0 |
| store float %val, float* %a, align 4 |
| br label %bar |
| bar: |
| %c = getelementptr inbounds %struct.float, %struct.float* %ptr, i64 0, i32 1 |
| tail call void @bar_float(%s.float* %c, float %val) |
| ret void |
| } |
| |
| declare void @bar_double(%s.double*, double) |
| |
| define void @load-pre-indexed-double(%struct.double* %ptr) nounwind { |
| ; CHECK-LABEL: load-pre-indexed-double |
| ; CHECK: ldr d{{[0-9]+}}, [x{{[0-9]+}}, #32]! |
| entry: |
| %a = getelementptr inbounds %struct.double, %struct.double* %ptr, i64 0, i32 1, i32 0 |
| %add = load double, double* %a, align 8 |
| br label %bar |
| bar: |
| %c = getelementptr inbounds %struct.double, %struct.double* %ptr, i64 0, i32 1 |
| tail call void @bar_double(%s.double* %c, double %add) |
| ret void |
| } |
| |
| define void @store-pre-indexed-double(%struct.double* %ptr, double %val) nounwind { |
| ; CHECK-LABEL: store-pre-indexed-double |
| ; CHECK: str d{{[0-9]+}}, [x{{[0-9]+}}, #32]! |
| entry: |
| %a = getelementptr inbounds %struct.double, %struct.double* %ptr, i64 0, i32 1, i32 0 |
| store double %val, double* %a, align 8 |
| br label %bar |
| bar: |
| %c = getelementptr inbounds %struct.double, %struct.double* %ptr, i64 0, i32 1 |
| tail call void @bar_double(%s.double* %c, double %val) |
| ret void |
| } |
| |
| ; Check the following transform: |
| ; |
| ; (ldp|stp) w1, w2 [x0, #32] |
| ; ... |
| ; add x0, x0, #32 |
| ; -> |
| ; (ldp|stp) w1, w2, [x0, #32]! |
| ; |
| |
| define void @load-pair-pre-indexed-word(%struct.word* %ptr) nounwind { |
| ; CHECK-LABEL: load-pair-pre-indexed-word |
| ; CHECK: ldp w{{[0-9]+}}, w{{[0-9]+}}, [x0, #32]! |
| ; CHECK-NOT: add x0, x0, #32 |
| entry: |
| %a = getelementptr inbounds %struct.word, %struct.word* %ptr, i64 0, i32 1, i32 0 |
| %a1 = load i32, i32* %a, align 4 |
| %b = getelementptr inbounds %struct.word, %struct.word* %ptr, i64 0, i32 1, i32 1 |
| %b1 = load i32, i32* %b, align 4 |
| %add = add i32 %a1, %b1 |
| br label %bar |
| bar: |
| %c = getelementptr inbounds %struct.word, %struct.word* %ptr, i64 0, i32 1 |
| tail call void @bar_word(%s.word* %c, i32 %add) |
| ret void |
| } |
| |
| define void @store-pair-pre-indexed-word(%struct.word* %ptr, i32 %val) nounwind { |
| ; CHECK-LABEL: store-pair-pre-indexed-word |
| ; CHECK: stp w{{[0-9]+}}, w{{[0-9]+}}, [x0, #32]! |
| ; CHECK-NOT: add x0, x0, #32 |
| entry: |
| %a = getelementptr inbounds %struct.word, %struct.word* %ptr, i64 0, i32 1, i32 0 |
| store i32 %val, i32* %a, align 4 |
| %b = getelementptr inbounds %struct.word, %struct.word* %ptr, i64 0, i32 1, i32 1 |
| store i32 %val, i32* %b, align 4 |
| br label %bar |
| bar: |
| %c = getelementptr inbounds %struct.word, %struct.word* %ptr, i64 0, i32 1 |
| tail call void @bar_word(%s.word* %c, i32 %val) |
| ret void |
| } |
| |
| ; Check the following transform: |
| ; |
| ; add x8, x8, #16 |
| ; ... |
| ; ldr X, [x8] |
| ; -> |
| ; ldr X, [x8, #16]! |
| ; |
| ; with X being either w0, x0, s0, d0 or q0. |
| |
| %pre.struct.i32 = type { i32, i32, i32, i32, i32} |
| %pre.struct.i64 = type { i32, i64, i64, i64, i64} |
| %pre.struct.i128 = type { i32, <2 x i64>, <2 x i64>, <2 x i64>} |
| %pre.struct.float = type { i32, float, float, float} |
| %pre.struct.double = type { i32, double, double, double} |
| |
| define i32 @load-pre-indexed-word2(%pre.struct.i32** %this, i1 %cond, |
| %pre.struct.i32* %load2) nounwind { |
| ; CHECK-LABEL: load-pre-indexed-word2 |
| ; CHECK: ldr w{{[0-9]+}}, [x{{[0-9]+}}, #4]! |
| br i1 %cond, label %if.then, label %if.end |
| if.then: |
| %load1 = load %pre.struct.i32*, %pre.struct.i32** %this |
| %gep1 = getelementptr inbounds %pre.struct.i32, %pre.struct.i32* %load1, i64 0, i32 1 |
| br label %return |
| if.end: |
| %gep2 = getelementptr inbounds %pre.struct.i32, %pre.struct.i32* %load2, i64 0, i32 2 |
| br label %return |
| return: |
| %retptr = phi i32* [ %gep1, %if.then ], [ %gep2, %if.end ] |
| %ret = load i32, i32* %retptr |
| ret i32 %ret |
| } |
| |
| define i64 @load-pre-indexed-doubleword2(%pre.struct.i64** %this, i1 %cond, |
| %pre.struct.i64* %load2) nounwind { |
| ; CHECK-LABEL: load-pre-indexed-doubleword2 |
| ; CHECK: ldr x{{[0-9]+}}, [x{{[0-9]+}}, #8]! |
| br i1 %cond, label %if.then, label %if.end |
| if.then: |
| %load1 = load %pre.struct.i64*, %pre.struct.i64** %this |
| %gep1 = getelementptr inbounds %pre.struct.i64, %pre.struct.i64* %load1, i64 0, i32 1 |
| br label %return |
| if.end: |
| %gep2 = getelementptr inbounds %pre.struct.i64, %pre.struct.i64* %load2, i64 0, i32 2 |
| br label %return |
| return: |
| %retptr = phi i64* [ %gep1, %if.then ], [ %gep2, %if.end ] |
| %ret = load i64, i64* %retptr |
| ret i64 %ret |
| } |
| |
| define <2 x i64> @load-pre-indexed-quadword2(%pre.struct.i128** %this, i1 %cond, |
| %pre.struct.i128* %load2) nounwind { |
| ; CHECK-LABEL: load-pre-indexed-quadword2 |
| ; CHECK: ldr q{{[0-9]+}}, [x{{[0-9]+}}, #16]! |
| br i1 %cond, label %if.then, label %if.end |
| if.then: |
| %load1 = load %pre.struct.i128*, %pre.struct.i128** %this |
| %gep1 = getelementptr inbounds %pre.struct.i128, %pre.struct.i128* %load1, i64 0, i32 1 |
| br label %return |
| if.end: |
| %gep2 = getelementptr inbounds %pre.struct.i128, %pre.struct.i128* %load2, i64 0, i32 2 |
| br label %return |
| return: |
| %retptr = phi <2 x i64>* [ %gep1, %if.then ], [ %gep2, %if.end ] |
| %ret = load <2 x i64>, <2 x i64>* %retptr |
| ret <2 x i64> %ret |
| } |
| |
| define float @load-pre-indexed-float2(%pre.struct.float** %this, i1 %cond, |
| %pre.struct.float* %load2) nounwind { |
| ; CHECK-LABEL: load-pre-indexed-float2 |
| ; CHECK: ldr s{{[0-9]+}}, [x{{[0-9]+}}, #4]! |
| br i1 %cond, label %if.then, label %if.end |
| if.then: |
| %load1 = load %pre.struct.float*, %pre.struct.float** %this |
| %gep1 = getelementptr inbounds %pre.struct.float, %pre.struct.float* %load1, i64 0, i32 1 |
| br label %return |
| if.end: |
| %gep2 = getelementptr inbounds %pre.struct.float, %pre.struct.float* %load2, i64 0, i32 2 |
| br label %return |
| return: |
| %retptr = phi float* [ %gep1, %if.then ], [ %gep2, %if.end ] |
| %ret = load float, float* %retptr |
| ret float %ret |
| } |
| |
| define double @load-pre-indexed-double2(%pre.struct.double** %this, i1 %cond, |
| %pre.struct.double* %load2) nounwind { |
| ; CHECK-LABEL: load-pre-indexed-double2 |
| ; CHECK: ldr d{{[0-9]+}}, [x{{[0-9]+}}, #8]! |
| br i1 %cond, label %if.then, label %if.end |
| if.then: |
| %load1 = load %pre.struct.double*, %pre.struct.double** %this |
| %gep1 = getelementptr inbounds %pre.struct.double, %pre.struct.double* %load1, i64 0, i32 1 |
| br label %return |
| if.end: |
| %gep2 = getelementptr inbounds %pre.struct.double, %pre.struct.double* %load2, i64 0, i32 2 |
| br label %return |
| return: |
| %retptr = phi double* [ %gep1, %if.then ], [ %gep2, %if.end ] |
| %ret = load double, double* %retptr |
| ret double %ret |
| } |
| |
| define i32 @load-pre-indexed-word3(%pre.struct.i32** %this, i1 %cond, |
| %pre.struct.i32* %load2) nounwind { |
| ; CHECK-LABEL: load-pre-indexed-word3 |
| ; CHECK: ldr w{{[0-9]+}}, [x{{[0-9]+}}, #12]! |
| br i1 %cond, label %if.then, label %if.end |
| if.then: |
| %load1 = load %pre.struct.i32*, %pre.struct.i32** %this |
| %gep1 = getelementptr inbounds %pre.struct.i32, %pre.struct.i32* %load1, i64 0, i32 3 |
| br label %return |
| if.end: |
| %gep2 = getelementptr inbounds %pre.struct.i32, %pre.struct.i32* %load2, i64 0, i32 4 |
| br label %return |
| return: |
| %retptr = phi i32* [ %gep1, %if.then ], [ %gep2, %if.end ] |
| %ret = load i32, i32* %retptr |
| ret i32 %ret |
| } |
| |
| define i64 @load-pre-indexed-doubleword3(%pre.struct.i64** %this, i1 %cond, |
| %pre.struct.i64* %load2) nounwind { |
| ; CHECK-LABEL: load-pre-indexed-doubleword3 |
| ; CHECK: ldr x{{[0-9]+}}, [x{{[0-9]+}}, #16]! |
| br i1 %cond, label %if.then, label %if.end |
| if.then: |
| %load1 = load %pre.struct.i64*, %pre.struct.i64** %this |
| %gep1 = getelementptr inbounds %pre.struct.i64, %pre.struct.i64* %load1, i64 0, i32 2 |
| br label %return |
| if.end: |
| %gep2 = getelementptr inbounds %pre.struct.i64, %pre.struct.i64* %load2, i64 0, i32 3 |
| br label %return |
| return: |
| %retptr = phi i64* [ %gep1, %if.then ], [ %gep2, %if.end ] |
| %ret = load i64, i64* %retptr |
| ret i64 %ret |
| } |
| |
| define <2 x i64> @load-pre-indexed-quadword3(%pre.struct.i128** %this, i1 %cond, |
| %pre.struct.i128* %load2) nounwind { |
| ; CHECK-LABEL: load-pre-indexed-quadword3 |
| ; CHECK: ldr q{{[0-9]+}}, [x{{[0-9]+}}, #32]! |
| br i1 %cond, label %if.then, label %if.end |
| if.then: |
| %load1 = load %pre.struct.i128*, %pre.struct.i128** %this |
| %gep1 = getelementptr inbounds %pre.struct.i128, %pre.struct.i128* %load1, i64 0, i32 2 |
| br label %return |
| if.end: |
| %gep2 = getelementptr inbounds %pre.struct.i128, %pre.struct.i128* %load2, i64 0, i32 3 |
| br label %return |
| return: |
| %retptr = phi <2 x i64>* [ %gep1, %if.then ], [ %gep2, %if.end ] |
| %ret = load <2 x i64>, <2 x i64>* %retptr |
| ret <2 x i64> %ret |
| } |
| |
| define float @load-pre-indexed-float3(%pre.struct.float** %this, i1 %cond, |
| %pre.struct.float* %load2) nounwind { |
| ; CHECK-LABEL: load-pre-indexed-float3 |
| ; CHECK: ldr s{{[0-9]+}}, [x{{[0-9]+}}, #8]! |
| br i1 %cond, label %if.then, label %if.end |
| if.then: |
| %load1 = load %pre.struct.float*, %pre.struct.float** %this |
| %gep1 = getelementptr inbounds %pre.struct.float, %pre.struct.float* %load1, i64 0, i32 2 |
| br label %return |
| if.end: |
| %gep2 = getelementptr inbounds %pre.struct.float, %pre.struct.float* %load2, i64 0, i32 3 |
| br label %return |
| return: |
| %retptr = phi float* [ %gep1, %if.then ], [ %gep2, %if.end ] |
| %ret = load float, float* %retptr |
| ret float %ret |
| } |
| |
| define double @load-pre-indexed-double3(%pre.struct.double** %this, i1 %cond, |
| %pre.struct.double* %load2) nounwind { |
| ; CHECK-LABEL: load-pre-indexed-double3 |
| ; CHECK: ldr d{{[0-9]+}}, [x{{[0-9]+}}, #16]! |
| br i1 %cond, label %if.then, label %if.end |
| if.then: |
| %load1 = load %pre.struct.double*, %pre.struct.double** %this |
| %gep1 = getelementptr inbounds %pre.struct.double, %pre.struct.double* %load1, i64 0, i32 2 |
| br label %return |
| if.end: |
| %gep2 = getelementptr inbounds %pre.struct.double, %pre.struct.double* %load2, i64 0, i32 3 |
| br label %return |
| return: |
| %retptr = phi double* [ %gep1, %if.then ], [ %gep2, %if.end ] |
| %ret = load double, double* %retptr |
| ret double %ret |
| } |
| |
| ; Check the following transform: |
| ; |
| ; add x8, x8, #16 |
| ; ... |
| ; str X, [x8] |
| ; -> |
| ; str X, [x8, #16]! |
| ; |
| ; with X being either w0, x0, s0, d0 or q0. |
| |
| define void @store-pre-indexed-word2(%pre.struct.i32** %this, i1 %cond, |
| %pre.struct.i32* %load2, |
| i32 %val) nounwind { |
| ; CHECK-LABEL: store-pre-indexed-word2 |
| ; CHECK: str w{{[0-9]+}}, [x{{[0-9]+}}, #4]! |
| br i1 %cond, label %if.then, label %if.end |
| if.then: |
| %load1 = load %pre.struct.i32*, %pre.struct.i32** %this |
| %gep1 = getelementptr inbounds %pre.struct.i32, %pre.struct.i32* %load1, i64 0, i32 1 |
| br label %return |
| if.end: |
| %gep2 = getelementptr inbounds %pre.struct.i32, %pre.struct.i32* %load2, i64 0, i32 2 |
| br label %return |
| return: |
| %retptr = phi i32* [ %gep1, %if.then ], [ %gep2, %if.end ] |
| store i32 %val, i32* %retptr |
| ret void |
| } |
| |
| define void @store-pre-indexed-doubleword2(%pre.struct.i64** %this, i1 %cond, |
| %pre.struct.i64* %load2, |
| i64 %val) nounwind { |
| ; CHECK-LABEL: store-pre-indexed-doubleword2 |
| ; CHECK: str x{{[0-9]+}}, [x{{[0-9]+}}, #8]! |
| br i1 %cond, label %if.then, label %if.end |
| if.then: |
| %load1 = load %pre.struct.i64*, %pre.struct.i64** %this |
| %gep1 = getelementptr inbounds %pre.struct.i64, %pre.struct.i64* %load1, i64 0, i32 1 |
| br label %return |
| if.end: |
| %gep2 = getelementptr inbounds %pre.struct.i64, %pre.struct.i64* %load2, i64 0, i32 2 |
| br label %return |
| return: |
| %retptr = phi i64* [ %gep1, %if.then ], [ %gep2, %if.end ] |
| store i64 %val, i64* %retptr |
| ret void |
| } |
| |
| define void @store-pre-indexed-quadword2(%pre.struct.i128** %this, i1 %cond, |
| %pre.struct.i128* %load2, |
| <2 x i64> %val) nounwind { |
| ; CHECK-LABEL: store-pre-indexed-quadword2 |
| ; CHECK: str q{{[0-9]+}}, [x{{[0-9]+}}, #16]! |
| br i1 %cond, label %if.then, label %if.end |
| if.then: |
| %load1 = load %pre.struct.i128*, %pre.struct.i128** %this |
| %gep1 = getelementptr inbounds %pre.struct.i128, %pre.struct.i128* %load1, i64 0, i32 1 |
| br label %return |
| if.end: |
| %gep2 = getelementptr inbounds %pre.struct.i128, %pre.struct.i128* %load2, i64 0, i32 2 |
| br label %return |
| return: |
| %retptr = phi <2 x i64>* [ %gep1, %if.then ], [ %gep2, %if.end ] |
| store <2 x i64> %val, <2 x i64>* %retptr |
| ret void |
| } |
| |
| define void @store-pre-indexed-float2(%pre.struct.float** %this, i1 %cond, |
| %pre.struct.float* %load2, |
| float %val) nounwind { |
| ; CHECK-LABEL: store-pre-indexed-float2 |
| ; CHECK: str s{{[0-9]+}}, [x{{[0-9]+}}, #4]! |
| br i1 %cond, label %if.then, label %if.end |
| if.then: |
| %load1 = load %pre.struct.float*, %pre.struct.float** %this |
| %gep1 = getelementptr inbounds %pre.struct.float, %pre.struct.float* %load1, i64 0, i32 1 |
| br label %return |
| if.end: |
| %gep2 = getelementptr inbounds %pre.struct.float, %pre.struct.float* %load2, i64 0, i32 2 |
| br label %return |
| return: |
| %retptr = phi float* [ %gep1, %if.then ], [ %gep2, %if.end ] |
| store float %val, float* %retptr |
| ret void |
| } |
| |
| define void @store-pre-indexed-double2(%pre.struct.double** %this, i1 %cond, |
| %pre.struct.double* %load2, |
| double %val) nounwind { |
| ; CHECK-LABEL: store-pre-indexed-double2 |
| ; CHECK: str d{{[0-9]+}}, [x{{[0-9]+}}, #8]! |
| br i1 %cond, label %if.then, label %if.end |
| if.then: |
| %load1 = load %pre.struct.double*, %pre.struct.double** %this |
| %gep1 = getelementptr inbounds %pre.struct.double, %pre.struct.double* %load1, i64 0, i32 1 |
| br label %return |
| if.end: |
| %gep2 = getelementptr inbounds %pre.struct.double, %pre.struct.double* %load2, i64 0, i32 2 |
| br label %return |
| return: |
| %retptr = phi double* [ %gep1, %if.then ], [ %gep2, %if.end ] |
| store double %val, double* %retptr |
| ret void |
| } |
| |
| define void @store-pre-indexed-word3(%pre.struct.i32** %this, i1 %cond, |
| %pre.struct.i32* %load2, |
| i32 %val) nounwind { |
| ; CHECK-LABEL: store-pre-indexed-word3 |
| ; CHECK: str w{{[0-9]+}}, [x{{[0-9]+}}, #12]! |
| br i1 %cond, label %if.then, label %if.end |
| if.then: |
| %load1 = load %pre.struct.i32*, %pre.struct.i32** %this |
| %gep1 = getelementptr inbounds %pre.struct.i32, %pre.struct.i32* %load1, i64 0, i32 3 |
| br label %return |
| if.end: |
| %gep2 = getelementptr inbounds %pre.struct.i32, %pre.struct.i32* %load2, i64 0, i32 4 |
| br label %return |
| return: |
| %retptr = phi i32* [ %gep1, %if.then ], [ %gep2, %if.end ] |
| store i32 %val, i32* %retptr |
| ret void |
| } |
| |
| define void @store-pre-indexed-doubleword3(%pre.struct.i64** %this, i1 %cond, |
| %pre.struct.i64* %load2, |
| i64 %val) nounwind { |
| ; CHECK-LABEL: store-pre-indexed-doubleword3 |
| ; CHECK: str x{{[0-9]+}}, [x{{[0-9]+}}, #24]! |
| br i1 %cond, label %if.then, label %if.end |
| if.then: |
| %load1 = load %pre.struct.i64*, %pre.struct.i64** %this |
| %gep1 = getelementptr inbounds %pre.struct.i64, %pre.struct.i64* %load1, i64 0, i32 3 |
| br label %return |
| if.end: |
| %gep2 = getelementptr inbounds %pre.struct.i64, %pre.struct.i64* %load2, i64 0, i32 4 |
| br label %return |
| return: |
| %retptr = phi i64* [ %gep1, %if.then ], [ %gep2, %if.end ] |
| store i64 %val, i64* %retptr |
| ret void |
| } |
| |
| define void @store-pre-indexed-quadword3(%pre.struct.i128** %this, i1 %cond, |
| %pre.struct.i128* %load2, |
| <2 x i64> %val) nounwind { |
| ; CHECK-LABEL: store-pre-indexed-quadword3 |
| ; CHECK: str q{{[0-9]+}}, [x{{[0-9]+}}, #32]! |
| br i1 %cond, label %if.then, label %if.end |
| if.then: |
| %load1 = load %pre.struct.i128*, %pre.struct.i128** %this |
| %gep1 = getelementptr inbounds %pre.struct.i128, %pre.struct.i128* %load1, i64 0, i32 2 |
| br label %return |
| if.end: |
| %gep2 = getelementptr inbounds %pre.struct.i128, %pre.struct.i128* %load2, i64 0, i32 3 |
| br label %return |
| return: |
| %retptr = phi <2 x i64>* [ %gep1, %if.then ], [ %gep2, %if.end ] |
| store <2 x i64> %val, <2 x i64>* %retptr |
| ret void |
| } |
| |
| define void @store-pre-indexed-float3(%pre.struct.float** %this, i1 %cond, |
| %pre.struct.float* %load2, |
| float %val) nounwind { |
| ; CHECK-LABEL: store-pre-indexed-float3 |
| ; CHECK: str s{{[0-9]+}}, [x{{[0-9]+}}, #8]! |
| br i1 %cond, label %if.then, label %if.end |
| if.then: |
| %load1 = load %pre.struct.float*, %pre.struct.float** %this |
| %gep1 = getelementptr inbounds %pre.struct.float, %pre.struct.float* %load1, i64 0, i32 2 |
| br label %return |
| if.end: |
| %gep2 = getelementptr inbounds %pre.struct.float, %pre.struct.float* %load2, i64 0, i32 3 |
| br label %return |
| return: |
| %retptr = phi float* [ %gep1, %if.then ], [ %gep2, %if.end ] |
| store float %val, float* %retptr |
| ret void |
| } |
| |
| define void @store-pre-indexed-double3(%pre.struct.double** %this, i1 %cond, |
| %pre.struct.double* %load2, |
| double %val) nounwind { |
| ; CHECK-LABEL: store-pre-indexed-double3 |
| ; CHECK: str d{{[0-9]+}}, [x{{[0-9]+}}, #16]! |
| br i1 %cond, label %if.then, label %if.end |
| if.then: |
| %load1 = load %pre.struct.double*, %pre.struct.double** %this |
| %gep1 = getelementptr inbounds %pre.struct.double, %pre.struct.double* %load1, i64 0, i32 2 |
| br label %return |
| if.end: |
| %gep2 = getelementptr inbounds %pre.struct.double, %pre.struct.double* %load2, i64 0, i32 3 |
| br label %return |
| return: |
| %retptr = phi double* [ %gep1, %if.then ], [ %gep2, %if.end ] |
| store double %val, double* %retptr |
| ret void |
| } |
| |
| ; Check the following transform: |
| ; |
| ; ldr X, [x20] |
| ; ... |
| ; add x20, x20, #32 |
| ; -> |
| ; ldr X, [x20], #32 |
| ; |
| ; with X being either w0, x0, s0, d0 or q0. |
| |
| define void @load-post-indexed-byte(i8* %array, i64 %count) nounwind { |
| ; CHECK-LABEL: load-post-indexed-byte |
| ; CHECK: ldrb w{{[0-9]+}}, [x{{[0-9]+}}], #4 |
| entry: |
| %gep1 = getelementptr i8, i8* %array, i64 2 |
| br label %body |
| |
| body: |
| %iv2 = phi i8* [ %gep3, %body ], [ %gep1, %entry ] |
| %iv = phi i64 [ %iv.next, %body ], [ %count, %entry ] |
| %gep2 = getelementptr i8, i8* %iv2, i64 -1 |
| %load = load i8, i8* %gep2 |
| call void @use-byte(i8 %load) |
| %load2 = load i8, i8* %iv2 |
| call void @use-byte(i8 %load2) |
| %iv.next = add i64 %iv, -4 |
| %gep3 = getelementptr i8, i8* %iv2, i64 4 |
| %cond = icmp eq i64 %iv.next, 0 |
| br i1 %cond, label %exit, label %body |
| |
| exit: |
| ret void |
| } |
| |
| define void @load-post-indexed-halfword(i16* %array, i64 %count) nounwind { |
| ; CHECK-LABEL: load-post-indexed-halfword |
| ; CHECK: ldrh w{{[0-9]+}}, [x{{[0-9]+}}], #8 |
| entry: |
| %gep1 = getelementptr i16, i16* %array, i64 2 |
| br label %body |
| |
| body: |
| %iv2 = phi i16* [ %gep3, %body ], [ %gep1, %entry ] |
| %iv = phi i64 [ %iv.next, %body ], [ %count, %entry ] |
| %gep2 = getelementptr i16, i16* %iv2, i64 -1 |
| %load = load i16, i16* %gep2 |
| call void @use-halfword(i16 %load) |
| %load2 = load i16, i16* %iv2 |
| call void @use-halfword(i16 %load2) |
| %iv.next = add i64 %iv, -4 |
| %gep3 = getelementptr i16, i16* %iv2, i64 4 |
| %cond = icmp eq i64 %iv.next, 0 |
| br i1 %cond, label %exit, label %body |
| |
| exit: |
| ret void |
| } |
| |
| define void @load-post-indexed-word(i32* %array, i64 %count) nounwind { |
| ; CHECK-LABEL: load-post-indexed-word |
| ; CHECK: ldr w{{[0-9]+}}, [x{{[0-9]+}}], #16 |
| entry: |
| %gep1 = getelementptr i32, i32* %array, i64 2 |
| br label %body |
| |
| body: |
| %iv2 = phi i32* [ %gep3, %body ], [ %gep1, %entry ] |
| %iv = phi i64 [ %iv.next, %body ], [ %count, %entry ] |
| %gep2 = getelementptr i32, i32* %iv2, i64 -1 |
| %load = load i32, i32* %gep2 |
| call void @use-word(i32 %load) |
| %load2 = load i32, i32* %iv2 |
| call void @use-word(i32 %load2) |
| %iv.next = add i64 %iv, -4 |
| %gep3 = getelementptr i32, i32* %iv2, i64 4 |
| %cond = icmp eq i64 %iv.next, 0 |
| br i1 %cond, label %exit, label %body |
| |
| exit: |
| ret void |
| } |
| |
| define void @load-post-indexed-doubleword(i64* %array, i64 %count) nounwind { |
| ; CHECK-LABEL: load-post-indexed-doubleword |
| ; CHECK: ldr x{{[0-9]+}}, [x{{[0-9]+}}], #32 |
| entry: |
| %gep1 = getelementptr i64, i64* %array, i64 2 |
| br label %body |
| |
| body: |
| %iv2 = phi i64* [ %gep3, %body ], [ %gep1, %entry ] |
| %iv = phi i64 [ %iv.next, %body ], [ %count, %entry ] |
| %gep2 = getelementptr i64, i64* %iv2, i64 -1 |
| %load = load i64, i64* %gep2 |
| call void @use-doubleword(i64 %load) |
| %load2 = load i64, i64* %iv2 |
| call void @use-doubleword(i64 %load2) |
| %iv.next = add i64 %iv, -4 |
| %gep3 = getelementptr i64, i64* %iv2, i64 4 |
| %cond = icmp eq i64 %iv.next, 0 |
| br i1 %cond, label %exit, label %body |
| |
| exit: |
| ret void |
| } |
| |
| define void @load-post-indexed-quadword(<2 x i64>* %array, i64 %count) nounwind { |
| ; CHECK-LABEL: load-post-indexed-quadword |
| ; CHECK: ldr q{{[0-9]+}}, [x{{[0-9]+}}], #64 |
| entry: |
| %gep1 = getelementptr <2 x i64>, <2 x i64>* %array, i64 2 |
| br label %body |
| |
| body: |
| %iv2 = phi <2 x i64>* [ %gep3, %body ], [ %gep1, %entry ] |
| %iv = phi i64 [ %iv.next, %body ], [ %count, %entry ] |
| %gep2 = getelementptr <2 x i64>, <2 x i64>* %iv2, i64 -1 |
| %load = load <2 x i64>, <2 x i64>* %gep2 |
| call void @use-quadword(<2 x i64> %load) |
| %load2 = load <2 x i64>, <2 x i64>* %iv2 |
| call void @use-quadword(<2 x i64> %load2) |
| %iv.next = add i64 %iv, -4 |
| %gep3 = getelementptr <2 x i64>, <2 x i64>* %iv2, i64 4 |
| %cond = icmp eq i64 %iv.next, 0 |
| br i1 %cond, label %exit, label %body |
| |
| exit: |
| ret void |
| } |
| |
| define void @load-post-indexed-float(float* %array, i64 %count) nounwind { |
| ; CHECK-LABEL: load-post-indexed-float |
| ; CHECK: ldr s{{[0-9]+}}, [x{{[0-9]+}}], #16 |
| entry: |
| %gep1 = getelementptr float, float* %array, i64 2 |
| br label %body |
| |
| body: |
| %iv2 = phi float* [ %gep3, %body ], [ %gep1, %entry ] |
| %iv = phi i64 [ %iv.next, %body ], [ %count, %entry ] |
| %gep2 = getelementptr float, float* %iv2, i64 -1 |
| %load = load float, float* %gep2 |
| call void @use-float(float %load) |
| %load2 = load float, float* %iv2 |
| call void @use-float(float %load2) |
| %iv.next = add i64 %iv, -4 |
| %gep3 = getelementptr float, float* %iv2, i64 4 |
| %cond = icmp eq i64 %iv.next, 0 |
| br i1 %cond, label %exit, label %body |
| |
| exit: |
| ret void |
| } |
| |
| define void @load-post-indexed-double(double* %array, i64 %count) nounwind { |
| ; CHECK-LABEL: load-post-indexed-double |
| ; CHECK: ldr d{{[0-9]+}}, [x{{[0-9]+}}], #32 |
| entry: |
| %gep1 = getelementptr double, double* %array, i64 2 |
| br label %body |
| |
| body: |
| %iv2 = phi double* [ %gep3, %body ], [ %gep1, %entry ] |
| %iv = phi i64 [ %iv.next, %body ], [ %count, %entry ] |
| %gep2 = getelementptr double, double* %iv2, i64 -1 |
| %load = load double, double* %gep2 |
| call void @use-double(double %load) |
| %load2 = load double, double* %iv2 |
| call void @use-double(double %load2) |
| %iv.next = add i64 %iv, -4 |
| %gep3 = getelementptr double, double* %iv2, i64 4 |
| %cond = icmp eq i64 %iv.next, 0 |
| br i1 %cond, label %exit, label %body |
| |
| exit: |
| ret void |
| } |
| |
| ; Check the following transform: |
| ; |
| ; str X, [x20] |
| ; ... |
| ; add x20, x20, #32 |
| ; -> |
| ; str X, [x20], #32 |
| ; |
| ; with X being either w0, x0, s0, d0 or q0. |
| |
| define void @store-post-indexed-byte(i8* %array, i64 %count, i8 %val) nounwind { |
| ; CHECK-LABEL: store-post-indexed-byte |
| ; CHECK: strb w{{[0-9]+}}, [x{{[0-9]+}}], #4 |
| entry: |
| %gep1 = getelementptr i8, i8* %array, i64 2 |
| br label %body |
| |
| body: |
| %iv2 = phi i8* [ %gep3, %body ], [ %gep1, %entry ] |
| %iv = phi i64 [ %iv.next, %body ], [ %count, %entry ] |
| %gep2 = getelementptr i8, i8* %iv2, i64 -1 |
| %load = load i8, i8* %gep2 |
| call void @use-byte(i8 %load) |
| store i8 %val, i8* %iv2 |
| %iv.next = add i64 %iv, -4 |
| %gep3 = getelementptr i8, i8* %iv2, i64 4 |
| %cond = icmp eq i64 %iv.next, 0 |
| br i1 %cond, label %exit, label %body |
| |
| exit: |
| ret void |
| } |
| |
| define void @store-post-indexed-halfword(i16* %array, i64 %count, i16 %val) nounwind { |
| ; CHECK-LABEL: store-post-indexed-halfword |
| ; CHECK: strh w{{[0-9]+}}, [x{{[0-9]+}}], #8 |
| entry: |
| %gep1 = getelementptr i16, i16* %array, i64 2 |
| br label %body |
| |
| body: |
| %iv2 = phi i16* [ %gep3, %body ], [ %gep1, %entry ] |
| %iv = phi i64 [ %iv.next, %body ], [ %count, %entry ] |
| %gep2 = getelementptr i16, i16* %iv2, i64 -1 |
| %load = load i16, i16* %gep2 |
| call void @use-halfword(i16 %load) |
| store i16 %val, i16* %iv2 |
| %iv.next = add i64 %iv, -4 |
| %gep3 = getelementptr i16, i16* %iv2, i64 4 |
| %cond = icmp eq i64 %iv.next, 0 |
| br i1 %cond, label %exit, label %body |
| |
| exit: |
| ret void |
| } |
| |
| define void @store-post-indexed-word(i32* %array, i64 %count, i32 %val) nounwind { |
| ; CHECK-LABEL: store-post-indexed-word |
| ; CHECK: str w{{[0-9]+}}, [x{{[0-9]+}}], #16 |
| entry: |
| %gep1 = getelementptr i32, i32* %array, i64 2 |
| br label %body |
| |
| body: |
| %iv2 = phi i32* [ %gep3, %body ], [ %gep1, %entry ] |
| %iv = phi i64 [ %iv.next, %body ], [ %count, %entry ] |
| %gep2 = getelementptr i32, i32* %iv2, i64 -1 |
| %load = load i32, i32* %gep2 |
| call void @use-word(i32 %load) |
| store i32 %val, i32* %iv2 |
| %iv.next = add i64 %iv, -4 |
| %gep3 = getelementptr i32, i32* %iv2, i64 4 |
| %cond = icmp eq i64 %iv.next, 0 |
| br i1 %cond, label %exit, label %body |
| |
| exit: |
| ret void |
| } |
| |
| define void @store-post-indexed-doubleword(i64* %array, i64 %count, i64 %val) nounwind { |
| ; CHECK-LABEL: store-post-indexed-doubleword |
| ; CHECK: str x{{[0-9]+}}, [x{{[0-9]+}}], #32 |
| entry: |
| %gep1 = getelementptr i64, i64* %array, i64 2 |
| br label %body |
| |
| body: |
| %iv2 = phi i64* [ %gep3, %body ], [ %gep1, %entry ] |
| %iv = phi i64 [ %iv.next, %body ], [ %count, %entry ] |
| %gep2 = getelementptr i64, i64* %iv2, i64 -1 |
| %load = load i64, i64* %gep2 |
| call void @use-doubleword(i64 %load) |
| store i64 %val, i64* %iv2 |
| %iv.next = add i64 %iv, -4 |
| %gep3 = getelementptr i64, i64* %iv2, i64 4 |
| %cond = icmp eq i64 %iv.next, 0 |
| br i1 %cond, label %exit, label %body |
| |
| exit: |
| ret void |
| } |
| |
| define void @store-post-indexed-quadword(<2 x i64>* %array, i64 %count, <2 x i64> %val) nounwind { |
| ; CHECK-LABEL: store-post-indexed-quadword |
| ; CHECK: str q{{[0-9]+}}, [x{{[0-9]+}}], #64 |
| entry: |
| %gep1 = getelementptr <2 x i64>, <2 x i64>* %array, i64 2 |
| br label %body |
| |
| body: |
| %iv2 = phi <2 x i64>* [ %gep3, %body ], [ %gep1, %entry ] |
| %iv = phi i64 [ %iv.next, %body ], [ %count, %entry ] |
| %gep2 = getelementptr <2 x i64>, <2 x i64>* %iv2, i64 -1 |
| %load = load <2 x i64>, <2 x i64>* %gep2 |
| call void @use-quadword(<2 x i64> %load) |
| store <2 x i64> %val, <2 x i64>* %iv2 |
| %iv.next = add i64 %iv, -4 |
| %gep3 = getelementptr <2 x i64>, <2 x i64>* %iv2, i64 4 |
| %cond = icmp eq i64 %iv.next, 0 |
| br i1 %cond, label %exit, label %body |
| |
| exit: |
| ret void |
| } |
| |
| define void @store-post-indexed-float(float* %array, i64 %count, float %val) nounwind { |
| ; CHECK-LABEL: store-post-indexed-float |
| ; CHECK: str s{{[0-9]+}}, [x{{[0-9]+}}], #16 |
| entry: |
| %gep1 = getelementptr float, float* %array, i64 2 |
| br label %body |
| |
| body: |
| %iv2 = phi float* [ %gep3, %body ], [ %gep1, %entry ] |
| %iv = phi i64 [ %iv.next, %body ], [ %count, %entry ] |
| %gep2 = getelementptr float, float* %iv2, i64 -1 |
| %load = load float, float* %gep2 |
| call void @use-float(float %load) |
| store float %val, float* %iv2 |
| %iv.next = add i64 %iv, -4 |
| %gep3 = getelementptr float, float* %iv2, i64 4 |
| %cond = icmp eq i64 %iv.next, 0 |
| br i1 %cond, label %exit, label %body |
| |
| exit: |
| ret void |
| } |
| |
| define void @store-post-indexed-double(double* %array, i64 %count, double %val) nounwind { |
| ; CHECK-LABEL: store-post-indexed-double |
| ; CHECK: str d{{[0-9]+}}, [x{{[0-9]+}}], #32 |
| entry: |
| %gep1 = getelementptr double, double* %array, i64 2 |
| br label %body |
| |
| body: |
| %iv2 = phi double* [ %gep3, %body ], [ %gep1, %entry ] |
| %iv = phi i64 [ %iv.next, %body ], [ %count, %entry ] |
| %gep2 = getelementptr double, double* %iv2, i64 -1 |
| %load = load double, double* %gep2 |
| call void @use-double(double %load) |
| store double %val, double* %iv2 |
| %iv.next = add i64 %iv, -4 |
| %gep3 = getelementptr double, double* %iv2, i64 4 |
| %cond = icmp eq i64 %iv.next, 0 |
| br i1 %cond, label %exit, label %body |
| |
| exit: |
| ret void |
| } |
| |
| declare void @use-byte(i8) |
| declare void @use-halfword(i16) |
| declare void @use-word(i32) |
| declare void @use-doubleword(i64) |
| declare void @use-quadword(<2 x i64>) |
| declare void @use-float(float) |
| declare void @use-double(double) |
| |
| ; Check the following transform: |
| ; |
| ; stp w0, [x20] |
| ; ... |
| ; add x20, x20, #32 |
| ; -> |
| ; stp w0, [x20], #32 |
| |
| define void @store-pair-post-indexed-word() nounwind { |
| ; CHECK-LABEL: store-pair-post-indexed-word |
| ; CHECK: stp w{{[0-9]+}}, w{{[0-9]+}}, [sp], #16 |
| ; CHECK: ret |
| %src = alloca { i32, i32 }, align 8 |
| %dst = alloca { i32, i32 }, align 8 |
| |
| %src.realp = getelementptr inbounds { i32, i32 }, { i32, i32 }* %src, i32 0, i32 0 |
| %src.real = load i32, i32* %src.realp |
| %src.imagp = getelementptr inbounds { i32, i32 }, { i32, i32 }* %src, i32 0, i32 1 |
| %src.imag = load i32, i32* %src.imagp |
| |
| %dst.realp = getelementptr inbounds { i32, i32 }, { i32, i32 }* %dst, i32 0, i32 0 |
| %dst.imagp = getelementptr inbounds { i32, i32 }, { i32, i32 }* %dst, i32 0, i32 1 |
| store i32 %src.real, i32* %dst.realp |
| store i32 %src.imag, i32* %dst.imagp |
| ret void |
| } |
| |
| define void @store-pair-post-indexed-doubleword() nounwind { |
| ; CHECK-LABEL: store-pair-post-indexed-doubleword |
| ; CHECK: stp x{{[0-9]+}}, x{{[0-9]+}}, [sp], #32 |
| ; CHECK: ret |
| %src = alloca { i64, i64 }, align 8 |
| %dst = alloca { i64, i64 }, align 8 |
| |
| %src.realp = getelementptr inbounds { i64, i64 }, { i64, i64 }* %src, i32 0, i32 0 |
| %src.real = load i64, i64* %src.realp |
| %src.imagp = getelementptr inbounds { i64, i64 }, { i64, i64 }* %src, i32 0, i32 1 |
| %src.imag = load i64, i64* %src.imagp |
| |
| %dst.realp = getelementptr inbounds { i64, i64 }, { i64, i64 }* %dst, i32 0, i32 0 |
| %dst.imagp = getelementptr inbounds { i64, i64 }, { i64, i64 }* %dst, i32 0, i32 1 |
| store i64 %src.real, i64* %dst.realp |
| store i64 %src.imag, i64* %dst.imagp |
| ret void |
| } |
| |
| define void @store-pair-post-indexed-float() nounwind { |
| ; CHECK-LABEL: store-pair-post-indexed-float |
| ; CHECK: stp s{{[0-9]+}}, s{{[0-9]+}}, [sp], #16 |
| ; CHECK: ret |
| %src = alloca { float, float }, align 8 |
| %dst = alloca { float, float }, align 8 |
| |
| %src.realp = getelementptr inbounds { float, float }, { float, float }* %src, i32 0, i32 0 |
| %src.real = load float, float* %src.realp |
| %src.imagp = getelementptr inbounds { float, float }, { float, float }* %src, i32 0, i32 1 |
| %src.imag = load float, float* %src.imagp |
| |
| %dst.realp = getelementptr inbounds { float, float }, { float, float }* %dst, i32 0, i32 0 |
| %dst.imagp = getelementptr inbounds { float, float }, { float, float }* %dst, i32 0, i32 1 |
| store float %src.real, float* %dst.realp |
| store float %src.imag, float* %dst.imagp |
| ret void |
| } |
| |
| define void @store-pair-post-indexed-double() nounwind { |
| ; CHECK-LABEL: store-pair-post-indexed-double |
| ; CHECK: stp d{{[0-9]+}}, d{{[0-9]+}}, [sp], #32 |
| ; CHECK: ret |
| %src = alloca { double, double }, align 8 |
| %dst = alloca { double, double }, align 8 |
| |
| %src.realp = getelementptr inbounds { double, double }, { double, double }* %src, i32 0, i32 0 |
| %src.real = load double, double* %src.realp |
| %src.imagp = getelementptr inbounds { double, double }, { double, double }* %src, i32 0, i32 1 |
| %src.imag = load double, double* %src.imagp |
| |
| %dst.realp = getelementptr inbounds { double, double }, { double, double }* %dst, i32 0, i32 0 |
| %dst.imagp = getelementptr inbounds { double, double }, { double, double }* %dst, i32 0, i32 1 |
| store double %src.real, double* %dst.realp |
| store double %src.imag, double* %dst.imagp |
| ret void |
| } |
| |
| ; Check the following transform: |
| ; |
| ; (ldr|str) X, [x20] |
| ; ... |
| ; sub x20, x20, #16 |
| ; -> |
| ; (ldr|str) X, [x20], #-16 |
| ; |
| ; with X being either w0, x0, s0, d0 or q0. |
| |
| define void @post-indexed-sub-word(i32* %a, i32* %b, i64 %count) nounwind { |
| ; CHECK-LABEL: post-indexed-sub-word |
| ; CHECK: ldr w{{[0-9]+}}, [x{{[0-9]+}}], #-8 |
| ; CHECK: str w{{[0-9]+}}, [x{{[0-9]+}}], #-8 |
| br label %for.body |
| for.body: |
| %phi1 = phi i32* [ %gep4, %for.body ], [ %b, %0 ] |
| %phi2 = phi i32* [ %gep3, %for.body ], [ %a, %0 ] |
| %i = phi i64 [ %dec.i, %for.body], [ %count, %0 ] |
| %gep1 = getelementptr i32, i32* %phi1, i64 -1 |
| %load1 = load i32, i32* %gep1 |
| %gep2 = getelementptr i32, i32* %phi2, i64 -1 |
| store i32 %load1, i32* %gep2 |
| %load2 = load i32, i32* %phi1 |
| store i32 %load2, i32* %phi2 |
| %dec.i = add nsw i64 %i, -1 |
| %gep3 = getelementptr i32, i32* %phi2, i64 -2 |
| %gep4 = getelementptr i32, i32* %phi1, i64 -2 |
| %cond = icmp sgt i64 %dec.i, 0 |
| br i1 %cond, label %for.body, label %end |
| end: |
| ret void |
| } |
| |
| define void @post-indexed-sub-doubleword(i64* %a, i64* %b, i64 %count) nounwind { |
| ; CHECK-LABEL: post-indexed-sub-doubleword |
| ; CHECK: ldr x{{[0-9]+}}, [x{{[0-9]+}}], #-16 |
| ; CHECK: str x{{[0-9]+}}, [x{{[0-9]+}}], #-16 |
| br label %for.body |
| for.body: |
| %phi1 = phi i64* [ %gep4, %for.body ], [ %b, %0 ] |
| %phi2 = phi i64* [ %gep3, %for.body ], [ %a, %0 ] |
| %i = phi i64 [ %dec.i, %for.body], [ %count, %0 ] |
| %gep1 = getelementptr i64, i64* %phi1, i64 -1 |
| %load1 = load i64, i64* %gep1 |
| %gep2 = getelementptr i64, i64* %phi2, i64 -1 |
| store i64 %load1, i64* %gep2 |
| %load2 = load i64, i64* %phi1 |
| store i64 %load2, i64* %phi2 |
| %dec.i = add nsw i64 %i, -1 |
| %gep3 = getelementptr i64, i64* %phi2, i64 -2 |
| %gep4 = getelementptr i64, i64* %phi1, i64 -2 |
| %cond = icmp sgt i64 %dec.i, 0 |
| br i1 %cond, label %for.body, label %end |
| end: |
| ret void |
| } |
| |
| define void @post-indexed-sub-quadword(<2 x i64>* %a, <2 x i64>* %b, i64 %count) nounwind { |
| ; CHECK-LABEL: post-indexed-sub-quadword |
| ; CHECK: ldr q{{[0-9]+}}, [x{{[0-9]+}}], #-32 |
| ; CHECK: str q{{[0-9]+}}, [x{{[0-9]+}}], #-32 |
| br label %for.body |
| for.body: |
| %phi1 = phi <2 x i64>* [ %gep4, %for.body ], [ %b, %0 ] |
| %phi2 = phi <2 x i64>* [ %gep3, %for.body ], [ %a, %0 ] |
| %i = phi i64 [ %dec.i, %for.body], [ %count, %0 ] |
| %gep1 = getelementptr <2 x i64>, <2 x i64>* %phi1, i64 -1 |
| %load1 = load <2 x i64>, <2 x i64>* %gep1 |
| %gep2 = getelementptr <2 x i64>, <2 x i64>* %phi2, i64 -1 |
| store <2 x i64> %load1, <2 x i64>* %gep2 |
| %load2 = load <2 x i64>, <2 x i64>* %phi1 |
| store <2 x i64> %load2, <2 x i64>* %phi2 |
| %dec.i = add nsw i64 %i, -1 |
| %gep3 = getelementptr <2 x i64>, <2 x i64>* %phi2, i64 -2 |
| %gep4 = getelementptr <2 x i64>, <2 x i64>* %phi1, i64 -2 |
| %cond = icmp sgt i64 %dec.i, 0 |
| br i1 %cond, label %for.body, label %end |
| end: |
| ret void |
| } |
| |
| define void @post-indexed-sub-float(float* %a, float* %b, i64 %count) nounwind { |
| ; CHECK-LABEL: post-indexed-sub-float |
| ; CHECK: ldr s{{[0-9]+}}, [x{{[0-9]+}}], #-8 |
| ; CHECK: str s{{[0-9]+}}, [x{{[0-9]+}}], #-8 |
| br label %for.body |
| for.body: |
| %phi1 = phi float* [ %gep4, %for.body ], [ %b, %0 ] |
| %phi2 = phi float* [ %gep3, %for.body ], [ %a, %0 ] |
| %i = phi i64 [ %dec.i, %for.body], [ %count, %0 ] |
| %gep1 = getelementptr float, float* %phi1, i64 -1 |
| %load1 = load float, float* %gep1 |
| %gep2 = getelementptr float, float* %phi2, i64 -1 |
| store float %load1, float* %gep2 |
| %load2 = load float, float* %phi1 |
| store float %load2, float* %phi2 |
| %dec.i = add nsw i64 %i, -1 |
| %gep3 = getelementptr float, float* %phi2, i64 -2 |
| %gep4 = getelementptr float, float* %phi1, i64 -2 |
| %cond = icmp sgt i64 %dec.i, 0 |
| br i1 %cond, label %for.body, label %end |
| end: |
| ret void |
| } |
| |
| define void @post-indexed-sub-double(double* %a, double* %b, i64 %count) nounwind { |
| ; CHECK-LABEL: post-indexed-sub-double |
| ; CHECK: ldr d{{[0-9]+}}, [x{{[0-9]+}}], #-16 |
| ; CHECK: str d{{[0-9]+}}, [x{{[0-9]+}}], #-16 |
| br label %for.body |
| for.body: |
| %phi1 = phi double* [ %gep4, %for.body ], [ %b, %0 ] |
| %phi2 = phi double* [ %gep3, %for.body ], [ %a, %0 ] |
| %i = phi i64 [ %dec.i, %for.body], [ %count, %0 ] |
| %gep1 = getelementptr double, double* %phi1, i64 -1 |
| %load1 = load double, double* %gep1 |
| %gep2 = getelementptr double, double* %phi2, i64 -1 |
| store double %load1, double* %gep2 |
| %load2 = load double, double* %phi1 |
| store double %load2, double* %phi2 |
| %dec.i = add nsw i64 %i, -1 |
| %gep3 = getelementptr double, double* %phi2, i64 -2 |
| %gep4 = getelementptr double, double* %phi1, i64 -2 |
| %cond = icmp sgt i64 %dec.i, 0 |
| br i1 %cond, label %for.body, label %end |
| end: |
| ret void |
| } |
| |
| define void @post-indexed-sub-doubleword-offset-min(i64* %a, i64* %b, i64 %count) nounwind { |
| ; CHECK-LABEL: post-indexed-sub-doubleword-offset-min |
| ; CHECK: ldr x{{[0-9]+}}, [x{{[0-9]+}}], #-256 |
| ; CHECK: str x{{[0-9]+}}, [x{{[0-9]+}}], #-256 |
| br label %for.body |
| for.body: |
| %phi1 = phi i64* [ %gep4, %for.body ], [ %b, %0 ] |
| %phi2 = phi i64* [ %gep3, %for.body ], [ %a, %0 ] |
| %i = phi i64 [ %dec.i, %for.body], [ %count, %0 ] |
| %gep1 = getelementptr i64, i64* %phi1, i64 1 |
| %load1 = load i64, i64* %gep1 |
| %gep2 = getelementptr i64, i64* %phi2, i64 1 |
| store i64 %load1, i64* %gep2 |
| %load2 = load i64, i64* %phi1 |
| store i64 %load2, i64* %phi2 |
| %dec.i = add nsw i64 %i, -1 |
| %gep3 = getelementptr i64, i64* %phi2, i64 -32 |
| %gep4 = getelementptr i64, i64* %phi1, i64 -32 |
| %cond = icmp sgt i64 %dec.i, 0 |
| br i1 %cond, label %for.body, label %end |
| end: |
| ret void |
| } |
| |
| define void @post-indexed-doubleword-offset-out-of-range(i64* %a, i64* %b, i64 %count) nounwind { |
| ; CHECK-LABEL: post-indexed-doubleword-offset-out-of-range |
| ; CHECK: ldr x{{[0-9]+}}, [x{{[0-9]+}}] |
| ; CHECK: add x{{[0-9]+}}, x{{[0-9]+}}, #256 |
| ; CHECK: str x{{[0-9]+}}, [x{{[0-9]+}}] |
| ; CHECK: add x{{[0-9]+}}, x{{[0-9]+}}, #256 |
| |
| br label %for.body |
| for.body: |
| %phi1 = phi i64* [ %gep4, %for.body ], [ %b, %0 ] |
| %phi2 = phi i64* [ %gep3, %for.body ], [ %a, %0 ] |
| %i = phi i64 [ %dec.i, %for.body], [ %count, %0 ] |
| %gep1 = getelementptr i64, i64* %phi1, i64 1 |
| %load1 = load i64, i64* %gep1 |
| %gep2 = getelementptr i64, i64* %phi2, i64 1 |
| store i64 %load1, i64* %gep2 |
| %load2 = load i64, i64* %phi1 |
| store i64 %load2, i64* %phi2 |
| %dec.i = add nsw i64 %i, -1 |
| %gep3 = getelementptr i64, i64* %phi2, i64 32 |
| %gep4 = getelementptr i64, i64* %phi1, i64 32 |
| %cond = icmp sgt i64 %dec.i, 0 |
| br i1 %cond, label %for.body, label %end |
| end: |
| ret void |
| } |
| |
| define void @post-indexed-paired-min-offset(i64* %a, i64* %b, i64 %count) nounwind { |
| ; CHECK-LABEL: post-indexed-paired-min-offset |
| ; CHECK: ldp x{{[0-9]+}}, x{{[0-9]+}}, [x{{[0-9]+}}], #-512 |
| ; CHECK: stp x{{[0-9]+}}, x{{[0-9]+}}, [x{{[0-9]+}}], #-512 |
| br label %for.body |
| for.body: |
| %phi1 = phi i64* [ %gep4, %for.body ], [ %b, %0 ] |
| %phi2 = phi i64* [ %gep3, %for.body ], [ %a, %0 ] |
| %i = phi i64 [ %dec.i, %for.body], [ %count, %0 ] |
| %gep1 = getelementptr i64, i64* %phi1, i64 1 |
| %load1 = load i64, i64* %gep1 |
| %gep2 = getelementptr i64, i64* %phi2, i64 1 |
| %load2 = load i64, i64* %phi1 |
| store i64 %load1, i64* %gep2 |
| store i64 %load2, i64* %phi2 |
| %dec.i = add nsw i64 %i, -1 |
| %gep3 = getelementptr i64, i64* %phi2, i64 -64 |
| %gep4 = getelementptr i64, i64* %phi1, i64 -64 |
| %cond = icmp sgt i64 %dec.i, 0 |
| br i1 %cond, label %for.body, label %end |
| end: |
| ret void |
| } |
| |
| define void @post-indexed-paired-offset-out-of-range(i64* %a, i64* %b, i64 %count) nounwind { |
| ; CHECK-LABEL: post-indexed-paired-offset-out-of-range |
| ; CHECK: ldp x{{[0-9]+}}, x{{[0-9]+}}, [x{{[0-9]+}}] |
| ; CHECK: add x{{[0-9]+}}, x{{[0-9]+}}, #512 |
| ; CHECK: stp x{{[0-9]+}}, x{{[0-9]+}}, [x{{[0-9]+}}] |
| ; CHECK: add x{{[0-9]+}}, x{{[0-9]+}}, #512 |
| br label %for.body |
| for.body: |
| %phi1 = phi i64* [ %gep4, %for.body ], [ %b, %0 ] |
| %phi2 = phi i64* [ %gep3, %for.body ], [ %a, %0 ] |
| %i = phi i64 [ %dec.i, %for.body], [ %count, %0 ] |
| %gep1 = getelementptr i64, i64* %phi1, i64 1 |
| %load1 = load i64, i64* %phi1 |
| %gep2 = getelementptr i64, i64* %phi2, i64 1 |
| %load2 = load i64, i64* %gep1 |
| store i64 %load1, i64* %gep2 |
| store i64 %load2, i64* %phi2 |
| %dec.i = add nsw i64 %i, -1 |
| %gep3 = getelementptr i64, i64* %phi2, i64 64 |
| %gep4 = getelementptr i64, i64* %phi1, i64 64 |
| %cond = icmp sgt i64 %dec.i, 0 |
| br i1 %cond, label %for.body, label %end |
| end: |
| ret void |
| } |
| |
| ; DAGCombiner::MergeConsecutiveStores merges this into a vector store, |
| ; replaceZeroVectorStore should split the vector store back into |
| ; scalar stores which should get merged by AArch64LoadStoreOptimizer. |
| define void @merge_zr32(i32* %p) { |
| ; CHECK-LABEL: merge_zr32: |
| ; CHECK: // %entry |
| ; NOSTRICTALIGN-NEXT: str xzr, [x{{[0-9]+}}] |
| ; STRICTALIGN-NEXT: stp wzr, wzr, [x{{[0-9]+}}] |
| ; CHECK-NEXT: ret |
| entry: |
| store i32 0, i32* %p |
| %p1 = getelementptr i32, i32* %p, i32 1 |
| store i32 0, i32* %p1 |
| ret void |
| } |
| |
| ; Same as merge_zr32 but the merged stores should also get paried. |
| define void @merge_zr32_2(i32* %p) { |
| ; CHECK-LABEL: merge_zr32_2: |
| ; CHECK: // %entry |
| ; NOSTRICTALIGN-NEXT: stp xzr, xzr, [x{{[0-9]+}}] |
| ; STRICTALIGN-NEXT: stp wzr, wzr, [x{{[0-9]+}}] |
| ; STRICTALIGN-NEXT: stp wzr, wzr, [x{{[0-9]+}}, #8] |
| ; CHECK-NEXT: ret |
| entry: |
| store i32 0, i32* %p |
| %p1 = getelementptr i32, i32* %p, i32 1 |
| store i32 0, i32* %p1 |
| %p2 = getelementptr i32, i32* %p, i64 2 |
| store i32 0, i32* %p2 |
| %p3 = getelementptr i32, i32* %p, i64 3 |
| store i32 0, i32* %p3 |
| ret void |
| } |
| |
| ; Like merge_zr32_2, but checking the largest allowed stp immediate offset. |
| define void @merge_zr32_2_offset(i32* %p) { |
| ; CHECK-LABEL: merge_zr32_2_offset: |
| ; CHECK: // %entry |
| ; NOSTRICTALIGN-NEXT: stp xzr, xzr, [x{{[0-9]+}}, #504] |
| ; STRICTALIGN-NEXT: str wzr, [x{{[0-9]+}}, #504] |
| ; STRICTALIGN-NEXT: str wzr, [x{{[0-9]+}}, #508] |
| ; STRICTALIGN-NEXT: str wzr, [x{{[0-9]+}}, #512] |
| ; STRICTALIGN-NEXT: str wzr, [x{{[0-9]+}}, #516] |
| ; CHECK-NEXT: ret |
| entry: |
| %p0 = getelementptr i32, i32* %p, i32 126 |
| store i32 0, i32* %p0 |
| %p1 = getelementptr i32, i32* %p, i32 127 |
| store i32 0, i32* %p1 |
| %p2 = getelementptr i32, i32* %p, i64 128 |
| store i32 0, i32* %p2 |
| %p3 = getelementptr i32, i32* %p, i64 129 |
| store i32 0, i32* %p3 |
| ret void |
| } |
| |
| ; Like merge_zr32, but replaceZeroVectorStore should not split this |
| ; vector store since the address offset is too large for the stp |
| ; instruction. |
| define void @no_merge_zr32_2_offset(i32* %p) { |
| ; CHECK-LABEL: no_merge_zr32_2_offset: |
| ; CHECK: // %entry |
| ; NOSTRICTALIGN-NEXT: movi v[[REG:[0-9]]].2d, #0000000000000000 |
| ; NOSTRICTALIGN-NEXT: str q[[REG]], [x{{[0-9]+}}, #4096] |
| ; STRICTALIGN-NEXT: str wzr, [x{{[0-9]+}}, #4096] |
| ; STRICTALIGN-NEXT: str wzr, [x{{[0-9]+}}, #4100] |
| ; STRICTALIGN-NEXT: str wzr, [x{{[0-9]+}}, #4104] |
| ; STRICTALIGN-NEXT: str wzr, [x{{[0-9]+}}, #4108] |
| ; CHECK-NEXT: ret |
| entry: |
| %p0 = getelementptr i32, i32* %p, i32 1024 |
| store i32 0, i32* %p0 |
| %p1 = getelementptr i32, i32* %p, i32 1025 |
| store i32 0, i32* %p1 |
| %p2 = getelementptr i32, i32* %p, i64 1026 |
| store i32 0, i32* %p2 |
| %p3 = getelementptr i32, i32* %p, i64 1027 |
| store i32 0, i32* %p3 |
| ret void |
| } |
| |
| ; Like merge_zr32, but replaceZeroVectorStore should not split the |
| ; vector store since the zero constant vector has multiple uses, so we |
| ; err on the side that allows for stp q instruction generation. |
| define void @merge_zr32_3(i32* %p) { |
| ; CHECK-LABEL: merge_zr32_3: |
| ; CHECK: // %entry |
| ; NOSTRICTALIGN-NEXT: movi v[[REG:[0-9]]].2d, #0000000000000000 |
| ; NOSTRICTALIGN-NEXT: stp q[[REG]], q[[REG]], [x{{[0-9]+}}] |
| ; STRICTALIGN-NEXT: stp wzr, wzr, [x{{[0-9]+}}] |
| ; STRICTALIGN-NEXT: stp wzr, wzr, [x{{[0-9]+}}, #8] |
| ; STRICTALIGN-NEXT: stp wzr, wzr, [x{{[0-9]+}}, #16] |
| ; STRICTALIGN-NEXT: stp wzr, wzr, [x{{[0-9]+}}, #24] |
| ; CHECK-NEXT: ret |
| entry: |
| store i32 0, i32* %p |
| %p1 = getelementptr i32, i32* %p, i32 1 |
| store i32 0, i32* %p1 |
| %p2 = getelementptr i32, i32* %p, i64 2 |
| store i32 0, i32* %p2 |
| %p3 = getelementptr i32, i32* %p, i64 3 |
| store i32 0, i32* %p3 |
| %p4 = getelementptr i32, i32* %p, i64 4 |
| store i32 0, i32* %p4 |
| %p5 = getelementptr i32, i32* %p, i64 5 |
| store i32 0, i32* %p5 |
| %p6 = getelementptr i32, i32* %p, i64 6 |
| store i32 0, i32* %p6 |
| %p7 = getelementptr i32, i32* %p, i64 7 |
| store i32 0, i32* %p7 |
| ret void |
| } |
| |
| ; Like merge_zr32, but with 2-vector type. |
| define void @merge_zr32_2vec(<2 x i32>* %p) { |
| ; CHECK-LABEL: merge_zr32_2vec: |
| ; CHECK: // %entry |
| ; NOSTRICTALIGN-NEXT: str xzr, [x{{[0-9]+}}] |
| ; STRICTALIGN-NEXT: stp wzr, wzr, [x{{[0-9]+}}] |
| ; CHECK-NEXT: ret |
| entry: |
| store <2 x i32> zeroinitializer, <2 x i32>* %p |
| ret void |
| } |
| |
| ; Like merge_zr32, but with 3-vector type. |
| define void @merge_zr32_3vec(<3 x i32>* %p) { |
| ; CHECK-LABEL: merge_zr32_3vec: |
| ; CHECK: // %entry |
| ; NOSTRICTALIGN-NEXT: str xzr, [x{{[0-9]+}}] |
| ; NOSTRICTALIGN-NEXT: str wzr, [x{{[0-9]+}}, #8] |
| ; STRICTALIGN-NEXT: stp wzr, wzr, [x{{[0-9]+}}] |
| ; STRICTALIGN-NEXT: str wzr, [x{{[0-9]+}}, #8] |
| ; CHECK-NEXT: ret |
| entry: |
| store <3 x i32> zeroinitializer, <3 x i32>* %p |
| ret void |
| } |
| |
| ; Like merge_zr32, but with 4-vector type. |
| define void @merge_zr32_4vec(<4 x i32>* %p) { |
| ; CHECK-LABEL: merge_zr32_4vec: |
| ; CHECK: // %entry |
| ; NOSTRICTALIGN-NEXT: stp xzr, xzr, [x{{[0-9]+}}] |
| ; STRICTALIGN-NEXT: stp wzr, wzr, [x{{[0-9]+}}] |
| ; STRICTALIGN-NEXT: stp wzr, wzr, [x{{[0-9]+}}, #8] |
| ; CHECK-NEXT: ret |
| entry: |
| store <4 x i32> zeroinitializer, <4 x i32>* %p |
| ret void |
| } |
| |
| ; Like merge_zr32, but with 2-vector float type. |
| define void @merge_zr32_2vecf(<2 x float>* %p) { |
| ; CHECK-LABEL: merge_zr32_2vecf: |
| ; CHECK: // %entry |
| ; NOSTRICTALIGN-NEXT: str xzr, [x{{[0-9]+}}] |
| ; STRICTALIGN-NEXT: stp wzr, wzr, [x{{[0-9]+}}] |
| ; CHECK-NEXT: ret |
| entry: |
| store <2 x float> zeroinitializer, <2 x float>* %p |
| ret void |
| } |
| |
| ; Like merge_zr32, but with 4-vector float type. |
| define void @merge_zr32_4vecf(<4 x float>* %p) { |
| ; CHECK-LABEL: merge_zr32_4vecf: |
| ; CHECK: // %entry |
| ; NOSTRICTALIGN-NEXT: stp xzr, xzr, [x{{[0-9]+}}] |
| ; STRICTALIGN-NEXT: stp wzr, wzr, [x{{[0-9]+}}] |
| ; STRICTALIGN-NEXT: stp wzr, wzr, [x{{[0-9]+}}, #8] |
| ; CHECK-NEXT: ret |
| entry: |
| store <4 x float> zeroinitializer, <4 x float>* %p |
| ret void |
| } |
| |
| ; Similar to merge_zr32, but for 64-bit values. |
| define void @merge_zr64(i64* %p) { |
| ; CHECK-LABEL: merge_zr64: |
| ; CHECK: // %entry |
| ; CHECK-NEXT: stp xzr, xzr, [x{{[0-9]+}}] |
| ; CHECK-NEXT: ret |
| entry: |
| store i64 0, i64* %p |
| %p1 = getelementptr i64, i64* %p, i64 1 |
| store i64 0, i64* %p1 |
| ret void |
| } |
| |
| ; Similar to merge_zr32, but for 64-bit values and with unaligned stores. |
| define void @merge_zr64_unalign(<2 x i64>* %p) { |
| ; CHECK-LABEL: merge_zr64_unalign: |
| ; CHECK: // %entry |
| ; NOSTRICTALIGN-NEXT: stp xzr, xzr, [x{{[0-9]+}}] |
| ; STRICTALIGN: strb |
| ; STRICTALIGN: strb |
| ; STRICTALIGN: strb |
| ; STRICTALIGN: strb |
| ; STRICTALIGN: strb |
| ; STRICTALIGN: strb |
| ; STRICTALIGN: strb |
| ; STRICTALIGN: strb |
| ; STRICTALIGN: strb |
| ; STRICTALIGN: strb |
| ; STRICTALIGN: strb |
| ; STRICTALIGN: strb |
| ; STRICTALIGN: strb |
| ; STRICTALIGN: strb |
| ; STRICTALIGN: strb |
| ; STRICTALIGN: strb |
| ; CHECK-NEXT: ret |
| entry: |
| store <2 x i64> zeroinitializer, <2 x i64>* %p, align 1 |
| ret void |
| } |
| |
| ; Similar to merge_zr32_3, replaceZeroVectorStore should not split the |
| ; vector store since the zero constant vector has multiple uses. |
| define void @merge_zr64_2(i64* %p) { |
| ; CHECK-LABEL: merge_zr64_2: |
| ; CHECK: // %entry |
| ; NOSTRICTALIGN-NEXT: movi v[[REG:[0-9]]].2d, #0000000000000000 |
| ; NOSTRICTALIGN-NEXT: stp q[[REG]], q[[REG]], [x{{[0-9]+}}] |
| ; STRICTALIGN-NEXT: stp xzr, xzr, [x{{[0-9]+}}] |
| ; STRICTALIGN-NEXT: stp xzr, xzr, [x{{[0-9]+}}, #16] |
| ; CHECK-NEXT: ret |
| entry: |
| store i64 0, i64* %p |
| %p1 = getelementptr i64, i64* %p, i64 1 |
| store i64 0, i64* %p1 |
| %p2 = getelementptr i64, i64* %p, i64 2 |
| store i64 0, i64* %p2 |
| %p3 = getelementptr i64, i64* %p, i64 3 |
| store i64 0, i64* %p3 |
| ret void |
| } |
| |
| ; Like merge_zr64, but with 2-vector double type. |
| define void @merge_zr64_2vecd(<2 x double>* %p) { |
| ; CHECK-LABEL: merge_zr64_2vecd: |
| ; CHECK: // %entry |
| ; CHECK-NEXT: stp xzr, xzr, [x{{[0-9]+}}] |
| ; CHECK-NEXT: ret |
| entry: |
| store <2 x double> zeroinitializer, <2 x double>* %p |
| ret void |
| } |
| |
| ; Like merge_zr64, but with 3-vector i64 type. |
| define void @merge_zr64_3vec(<3 x i64>* %p) { |
| ; CHECK-LABEL: merge_zr64_3vec: |
| ; CHECK: // %entry |
| ; CHECK-NEXT: stp xzr, xzr, [x{{[0-9]+}}] |
| ; CHECK-NEXT: str xzr, [x{{[0-9]+}}, #16] |
| ; CHECK-NEXT: ret |
| entry: |
| store <3 x i64> zeroinitializer, <3 x i64>* %p |
| ret void |
| } |
| |
| ; Like merge_zr64_2, but with 4-vector double type. |
| define void @merge_zr64_4vecd(<4 x double>* %p) { |
| ; CHECK-LABEL: merge_zr64_4vecd: |
| ; CHECK: // %entry |
| ; CHECK-NEXT: movi v[[REG:[0-9]]].2d, #0000000000000000 |
| ; CHECK-NEXT: stp q[[REG]], q[[REG]], [x{{[0-9]+}}] |
| ; CHECK-NEXT: ret |
| entry: |
| store <4 x double> zeroinitializer, <4 x double>* %p |
| ret void |
| } |
| |
| ; Verify that non-consecutive merges do not generate q0 |
| define void @merge_multiple_128bit_stores(i64* %p) { |
| ; CHECK-LABEL: merge_multiple_128bit_stores |
| ; CHECK: // %entry |
| ; NOSTRICTALIGN-NEXT: movi v[[REG:[0-9]]].2d, #0000000000000000 |
| ; NOSTRICTALIGN-NEXT: str q0, [x0] |
| ; NOSTRICTALIGN-NEXT: stur q0, [x0, #24] |
| ; NOSTRICTALIGN-NEXT: str q0, [x0, #48] |
| ; STRICTALIGN-NEXT: stp xzr, xzr, [x0] |
| ; STRICTALIGN-NEXT: stp xzr, xzr, [x0, #24] |
| ; STRICTALIGN-NEXT: stp xzr, xzr, [x0, #48] |
| ; CHECK-NEXT: ret |
| entry: |
| store i64 0, i64* %p |
| %p1 = getelementptr i64, i64* %p, i64 1 |
| store i64 0, i64* %p1 |
| %p3 = getelementptr i64, i64* %p, i64 3 |
| store i64 0, i64* %p3 |
| %p4 = getelementptr i64, i64* %p, i64 4 |
| store i64 0, i64* %p4 |
| %p6 = getelementptr i64, i64* %p, i64 6 |
| store i64 0, i64* %p6 |
| %p7 = getelementptr i64, i64* %p, i64 7 |
| store i64 0, i64* %p7 |
| ret void |
| } |
| |
| ; Verify that large stores generate stp q |
| define void @merge_multiple_128bit_stores_consec(i64* %p) { |
| ; CHECK-LABEL: merge_multiple_128bit_stores_consec |
| ; CHECK: // %entry |
| ; NOSTRICTALIGN-NEXT: movi v[[REG:[0-9]]].2d, #0000000000000000 |
| ; NOSTRICTALIGN-NEXT: stp q[[REG]], q[[REG]], [x{{[0-9]+}}] |
| ; NOSTRICTALIGN-NEXT: stp q[[REG]], q[[REG]], [x{{[0-9]+}}, #32] |
| ; STRICTALIGN-NEXT: stp xzr, xzr, [x0] |
| ; STRICTALIGN-NEXT: stp xzr, xzr, [x0, #16] |
| ; STRICTALIGN-NEXT: stp xzr, xzr, [x0, #32] |
| ; STRICTALIGN-NEXT: stp xzr, xzr, [x0, #48] |
| ; CHECK-NEXT: ret |
| entry: |
| store i64 0, i64* %p |
| %p1 = getelementptr i64, i64* %p, i64 1 |
| store i64 0, i64* %p1 |
| %p2 = getelementptr i64, i64* %p, i64 2 |
| store i64 0, i64* %p2 |
| %p3 = getelementptr i64, i64* %p, i64 3 |
| store i64 0, i64* %p3 |
| %p4 = getelementptr i64, i64* %p, i64 4 |
| store i64 0, i64* %p4 |
| %p5 = getelementptr i64, i64* %p, i64 5 |
| store i64 0, i64* %p5 |
| %p6 = getelementptr i64, i64* %p, i64 6 |
| store i64 0, i64* %p6 |
| %p7 = getelementptr i64, i64* %p, i64 7 |
| store i64 0, i64* %p7 |
| ret void |
| } |
| |
| ; Check for bug 34674 where invalid add of xzr was being generated. |
| ; CHECK-LABEL: bug34674: |
| ; CHECK: // %entry |
| ; CHECK-NEXT: mov [[ZREG:x[0-9]+]], xzr |
| ; CHECK-DAG: stp xzr, xzr, [x0] |
| ; CHECK-DAG: add x{{[0-9]+}}, [[ZREG]], #1 |
| define i64 @bug34674(<2 x i64>* %p) { |
| entry: |
| store <2 x i64> zeroinitializer, <2 x i64>* %p |
| %p2 = bitcast <2 x i64>* %p to i64* |
| %ld = load i64, i64* %p2 |
| %add = add i64 %ld, 1 |
| ret i64 %add |
| } |
