| ; RUN: opt -inline -mtriple=aarch64--linux-gnu -S -o - < %s -inline-threshold=0 | FileCheck %s |
| |
| target datalayout = "e-m:e-i8:8:32-i16:16:32-i64:64-i128:128-n32:64-S128" |
| target triple = "aarch64--linux-gnu" |
| |
| declare void @pad() |
| @glbl = external global i32 |
| |
| define i32 @outer1(i1 %cond) { |
| ; CHECK-LABEL: @outer1( |
| ; CHECK-NOT: call i32 @inner1 |
| %C = call i32 @inner1(i1 %cond, i32 1) |
| ret i32 %C |
| } |
| |
| define i32 @inner1(i1 %cond, i32 %val) { |
| %select = select i1 %cond, i32 1, i32 %val ; Simplified to 1 |
| call void @pad() |
| store i32 0, i32* @glbl |
| ret i32 %select ; Simplifies to ret i32 1 |
| } |
| |
| |
| define i32 @outer2(i32 %val) { |
| ; CHECK-LABEL: @outer2( |
| ; CHECK-NOT: call i32 @inner2 |
| %C = call i32 @inner2(i1 true, i32 %val) |
| ret i32 %C |
| } |
| |
| define i32 @inner2(i1 %cond, i32 %val) { |
| %select = select i1 %cond, i32 1, i32 %val ; Simplifies to 1 |
| call void @pad() |
| store i32 0, i32* @glbl |
| ret i32 %select ; Simplifies to ret i32 1 |
| } |
| |
| |
| define i32 @outer3(i32 %val) { |
| ; CHECK-LABEL: @outer3( |
| ; CHECK-NOT: call i32 @inner3 |
| %C = call i32 @inner3(i1 false, i32 %val) |
| ret i32 %C |
| } |
| |
| define i32 @inner3(i1 %cond, i32 %val) { |
| %select = select i1 %cond, i32 %val, i32 -1 ; Simplifies to -1 |
| call void @pad() |
| store i32 0, i32* @glbl |
| ret i32 %select ; Simplifies to ret i32 -1 |
| } |
| |
| |
| define i32 @outer4() { |
| ; CHECK-LABEL: @outer4( |
| ; CHECK-NOT: call i32 @inner4 |
| %C = call i32 @inner4(i1 true, i32 1, i32 -1) |
| ret i32 %C |
| } |
| |
| define i32 @inner4(i1 %cond, i32 %val1, i32 %val2) { |
| %select = select i1 %cond, i32 %val1, i32 %val2 ; Simplifies to 1 |
| call void @pad() |
| store i32 0, i32* @glbl |
| store i32 1, i32* @glbl |
| ret i32 %select ; Simplifies to ret i32 1 |
| } |
| |
| |
| define i1 @outer5() { |
| ; CHECK-LABEL: @outer5( |
| ; CHECK-NOT: call i1 @inner5 |
| %C = call i1 @inner5(i1 true, i1 true, i1 false) |
| ret i1 %C |
| } |
| |
| declare void @dead() |
| |
| define i1 @inner5(i1 %cond, i1 %val1, i1 %val2) { |
| %select = select i1 %cond, i1 %val1, i1 %val2 ; Simplifies to true |
| br i1 %select, label %exit, label %isfalse ; Simplifies to br label %end |
| |
| isfalse: ; This block is unreachable once inlined |
| call void @dead() |
| br label %exit |
| |
| exit: |
| store i32 0, i32* @glbl |
| ret i1 %select ; Simplifies to ret i1 true |
| } |
| |
| |
| define i32 @outer6(i1 %cond) { |
| ; CHECK-LABEL: @outer6( |
| ; CHECK-NOT: call i32 @inner6 |
| %A = alloca i32 |
| %C = call i32 @inner6(i1 %cond, i32* %A) |
| ret i32 %C |
| } |
| |
| define i32 @inner6(i1 %cond, i32* %ptr) { |
| %G1 = getelementptr inbounds i32, i32* %ptr, i32 1 |
| %G2 = getelementptr inbounds i32, i32* %G1, i32 1 |
| %G3 = getelementptr inbounds i32, i32* %ptr, i32 2 |
| %select = select i1 %cond, i32* %G2, i32* %G3 ; Simplified to %A[2] |
| %load = load i32, i32* %select ; SROA'ed |
| call void @pad() |
| ret i32 %load ; Simplified |
| } |
| |
| |
| define i32 @outer7(i32* %ptr) { |
| ; CHECK-LABEL: @outer7( |
| ; CHECK-NOT: call i32 @inner7 |
| %A = alloca i32 |
| %C = call i32 @inner7(i1 true, i32* %A, i32* %ptr) |
| ret i32 %C |
| } |
| |
| define i32 @inner7(i1 %cond, i32* %p1, i32* %p2) { |
| %select = select i1 %cond, i32* %p1, i32* %p2 ; Simplifies to %A |
| %load = load i32, i32* %select ; SROA'ed |
| call void @pad() |
| store i32 0, i32* @glbl |
| ret i32 %load ; Simplified |
| } |
| |
| |
| define i32 @outer8(i32* %ptr) { |
| ; CHECK-LABEL: @outer8( |
| ; CHECK-NOT: call i32 @inner8 |
| %A = alloca i32 |
| %C = call i32 @inner8(i1 false, i32* %ptr, i32* %A) |
| ret i32 %C |
| } |
| |
| define i32 @inner8(i1 %cond, i32* %p1, i32* %p2) { |
| %select = select i1 %cond, i32* %p1, i32* %p2 ; Simplifies to %A |
| %load = load i32, i32* %select ; SROA'ed |
| call void @pad() |
| store i32 0, i32* @glbl |
| ret i32 %load ; Simplified |
| } |
| |
| |
| define <2 x i32> @outer9(<2 x i32> %val) { |
| ; CHECK-LABEL: @outer9( |
| ; CHECK-NOT: call <2 x i32> @inner9 |
| %C = call <2 x i32> @inner9(<2 x i1> <i1 true, i1 true>, <2 x i32> %val) |
| ret <2 x i32> %C |
| } |
| |
| define <2 x i32> @inner9(<2 x i1> %cond, <2 x i32> %val) { |
| %select = select <2 x i1> %cond, <2 x i32> <i32 1, i32 1>, <2 x i32> %val ; Simplifies to <1, 1> |
| call void @pad() |
| store i32 0, i32* @glbl |
| ret <2 x i32> %select ; Simplifies to ret <2 x i32> <1, 1> |
| } |
| |
| |
| define <2 x i32> @outer10(<2 x i32> %val) { |
| ; CHECK-LABEL: @outer10( |
| ; CHECK-NOT: call <2 x i32> @inner10 |
| %C = call <2 x i32> @inner10(<2 x i1> <i1 false, i1 false>, <2 x i32> %val) |
| ret <2 x i32> %C |
| } |
| |
| define <2 x i32> @inner10(<2 x i1> %cond, <2 x i32> %val) { |
| %select = select <2 x i1> %cond, < 2 x i32> %val, <2 x i32> <i32 -1, i32 -1> ; Simplifies to <-1, -1> |
| call void @pad() |
| store i32 0, i32* @glbl |
| ret <2 x i32> %select ; Simplifies to ret <2 x i32> <-1, -1> |
| } |
| |
| |
| define <2 x i32> @outer11() { |
| ; CHECK-LABEL: @outer11( |
| ; CHECK-NOT: call <2 x i32> @inner11 |
| %C = call <2 x i32> @inner11(<2 x i1> <i1 true, i1 false>) |
| ret <2 x i32> %C |
| } |
| |
| define <2 x i32> @inner11(<2 x i1> %cond) { |
| %select = select <2 x i1> %cond, <2 x i32> <i32 1, i32 1>, < 2 x i32> <i32 -1, i32 -1> ; Simplifies to <1, -1> |
| call void @pad() |
| ret <2 x i32> %select ; Simplifies to ret <2 x i32> <1, -1> |
| } |
| |
| |
| define i1 @outer12(i32* %ptr) { |
| ; CHECK-LABEL: @outer12( |
| ; CHECK-NOT: call i1 @inner12 |
| %C = call i1 @inner12(i1 true, i32* @glbl, i32* %ptr) |
| ret i1 %C |
| } |
| |
| define i1 @inner12(i1 %cond, i32* %ptr1, i32* %ptr2) { |
| %select = select i1 %cond, i32* %ptr1, i32* %ptr2 ; Simplified to @glbl |
| %cmp = icmp eq i32* %select, @glbl ; Simplified to true |
| call void @pad() |
| store i32 0, i32* @glbl |
| ret i1 %cmp ; Simplifies to ret i1 true |
| } |
| |
| |
| define <2 x i32> @outer13(<2 x i32> %val1, <2 x i32> %val2) { |
| ; CHECK-LABEL: @outer13( |
| ; CHECK: call <2 x i32> @inner13 |
| %C = call <2 x i32> @inner13(<2 x i1> <i1 true, i1 false>, <2 x i32> %val1, <2 x i32> %val2) |
| ret <2 x i32> %C |
| } |
| |
| define <2 x i32> @inner13(<2 x i1> %cond, <2 x i32> %val1, < 2 x i32> %val2) { |
| %select = select <2 x i1> %cond, <2 x i32> %val1, < 2 x i32> %val2 ; Cannot be Simplified |
| call void @pad() |
| store i32 0, i32* @glbl |
| store i32 1, i32* @glbl |
| ret <2 x i32> %select ; Simplified |
| } |
| |
| |
| define i32 @outer14(i32 %val1, i32 %val2) { |
| ; CHECK-LABEL: @outer14( |
| ; CHECK-NOT: call i32 @inner14 |
| %C = call i32 @inner14(i1 true, i32 %val1, i32 %val2) |
| ret i32 %C |
| } |
| |
| define i32 @inner14(i1 %cond, i32 %val1, i32 %val2) { |
| %select = select i1 %cond, i32 %val1, i32 %val2 ; Simplified to %val1 |
| call void @pad() |
| store i32 0, i32* @glbl |
| store i32 1, i32* @glbl |
| ret i32 %select ; Simplifies to ret i32 %val1 |
| } |
| |
| |
| define i32 @outer15(i32 %val1, i32 %val2) { |
| ; CHECK-LABEL: @outer15( |
| ; CHECK-NOT: call i32 @inner15 |
| %C = call i32 @inner15(i1 false, i32 %val1, i32 %val2) |
| ret i32 %C |
| } |
| |
| define i32 @inner15(i1 %cond, i32 %val1, i32 %val2) { |
| %select = select i1 %cond, i32 %val1, i32 %val2 ; Simplified to %val2 |
| call void @pad() |
| store i32 0, i32* @glbl |
| store i32 1, i32* @glbl |
| ret i32 %select ; Simplifies to ret i32 %val2 |
| } |