| ; RUN: llc -fast-isel-sink-local-values -verify-machineinstrs < %s -mtriple=armv7-apple-ios | FileCheck --check-prefix=CHECK-APPLE --check-prefix=CHECK-ARMV7 %s |
| ; RUN: llc -fast-isel-sink-local-values -verify-machineinstrs -O0 < %s -mtriple=armv7-apple-ios | FileCheck --check-prefix=CHECK-O0 %s |
| ; RUN: llc -fast-isel-sink-local-values -verify-machineinstrs < %s -mtriple=armv7-linux-androideabi | FileCheck --check-prefix=CHECK-ANDROID %s |
| |
| declare i8* @malloc(i64) |
| declare void @free(i8*) |
| %swift_error = type { i64, i8 } |
| %struct.S = type { i32, i32, i32, i32, i32, i32 } |
| |
| ; This tests the basic usage of a swifterror parameter. "foo" is the function |
| ; that takes a swifterror parameter and "caller" is the caller of "foo". |
| define float @foo(%swift_error** swifterror %error_ptr_ref) { |
| ; CHECK-APPLE-LABEL: foo: |
| ; CHECK-APPLE: mov r0, #16 |
| ; CHECK-APPLE: malloc |
| ; CHECK-APPLE-DAG: mov [[ID:r[0-9]+]], #1 |
| ; CHECK-APPLE-DAG: mov r8, r{{.*}} |
| ; CHECK-APPLE-DAG: strb [[ID]], [r{{.*}}, #8] |
| |
| ; CHECK-O0-LABEL: foo: |
| ; CHECK-O0: mov r{{.*}}, #16 |
| ; CHECK-O0: malloc |
| ; CHECK-O0: mov [[ID2:r[0-9]+]], r0 |
| ; CHECK-O0: mov [[ID:r[0-9]+]], #1 |
| ; CHECK-O0: strb [[ID]], [r0, #8] |
| ; CHECK-O0: mov r8, [[ID2]] |
| entry: |
| %call = call i8* @malloc(i64 16) |
| %call.0 = bitcast i8* %call to %swift_error* |
| store %swift_error* %call.0, %swift_error** %error_ptr_ref |
| %tmp = getelementptr inbounds i8, i8* %call, i64 8 |
| store i8 1, i8* %tmp |
| ret float 1.0 |
| } |
| |
| ; "caller" calls "foo" that takes a swifterror parameter. |
| define float @caller(i8* %error_ref) { |
| ; CHECK-APPLE-LABEL: caller: |
| ; CHECK-APPLE-DAG: mov [[ID:r[0-9]+]], r0 |
| ; CHECK-APPLE-DAG: mov r8, #0 |
| ; CHECK-APPLE: bl {{.*}}foo |
| ; CHECK-APPLE: mov r0, r8 |
| ; CHECK-APPLE: cmp r8, #0 |
| ; Access part of the error object and save it to error_ref |
| ; CHECK-APPLE: ldrbeq [[CODE:r[0-9]+]], [r0, #8] |
| ; CHECK-APPLE: strbeq [[CODE]], [{{.*}}[[ID]]] |
| ; CHECK-APPLE: bl {{.*}}free |
| |
| ; CHECK-O0-LABEL: caller: |
| ; spill r0 |
| ; CHECK-O0-DAG: mov r8, #0 |
| ; CHECK-O0-DAG: str r0, [sp, [[SLOT:#[0-9]+]] |
| ; CHECK-O0: bl {{.*}}foo |
| ; CHECK-O0: mov [[TMP:r[0-9]+]], r8 |
| ; CHECK-O0: str [[TMP]], [sp] |
| ; CHECK-O0: bne |
| ; CHECK-O0: ldrb [[CODE:r[0-9]+]], [r0, #8] |
| ; CHECK-O0: ldr [[ID:r[0-9]+]], [sp, [[SLOT]]] |
| ; CHECK-O0: strb [[CODE]], [{{.*}}[[ID]]] |
| ; reload r0 |
| ; CHECK-O0: ldr r0, [sp] |
| ; CHECK-O0: free |
| entry: |
| %error_ptr_ref = alloca swifterror %swift_error* |
| store %swift_error* null, %swift_error** %error_ptr_ref |
| %call = call float @foo(%swift_error** swifterror %error_ptr_ref) |
| %error_from_foo = load %swift_error*, %swift_error** %error_ptr_ref |
| %had_error_from_foo = icmp ne %swift_error* %error_from_foo, null |
| %tmp = bitcast %swift_error* %error_from_foo to i8* |
| br i1 %had_error_from_foo, label %handler, label %cont |
| cont: |
| %v1 = getelementptr inbounds %swift_error, %swift_error* %error_from_foo, i64 0, i32 1 |
| %t = load i8, i8* %v1 |
| store i8 %t, i8* %error_ref |
| br label %handler |
| handler: |
| call void @free(i8* %tmp) |
| ret float 1.0 |
| } |
| |
| ; "caller2" is the caller of "foo", it calls "foo" inside a loop. |
| define float @caller2(i8* %error_ref) { |
| ; CHECK-APPLE-LABEL: caller2: |
| ; CHECK-APPLE-DAG: mov [[ID:r[0-9]+]], r0 |
| ; CHECK-APPLE-DAG: mov r8, #0 |
| ; CHECK-APPLE: bl {{.*}}foo |
| ; CHECK-APPLE: cmp r8, #0 |
| ; CHECK-APPLE: bne |
| ; Access part of the error object and save it to error_ref |
| ; CHECK-APPLE: ldrb [[CODE:r[0-9]+]], [r8, #8] |
| ; CHECK-APPLE: strb [[CODE]], [{{.*}}[[ID]]] |
| ; CHECK-APPLE: mov r0, r8 |
| ; CHECK-APPLE: bl {{.*}}free |
| |
| ; CHECK-O0-LABEL: caller2: |
| ; spill r0 |
| ; CHECK-O0-DAG: str r0, |
| ; CHECK-O0-DAG: mov r8, #0 |
| ; CHECK-O0: bl {{.*}}foo |
| ; CHECK-O0: mov r{{.*}}, r8 |
| ; CHECK-O0: str r0, [sp] |
| ; CHECK-O0: bne |
| ; CHECK-O0: ble |
| ; CHECK-O0: ldrb [[CODE:r[0-9]+]], [r0, #8] |
| ; reload r0 |
| ; CHECK-O0: ldr [[ID:r[0-9]+]], |
| ; CHECK-O0: strb [[CODE]], [{{.*}}[[ID]]] |
| ; CHECK-O0: ldr r0, [sp] |
| ; CHECK-O0: free |
| entry: |
| %error_ptr_ref = alloca swifterror %swift_error* |
| br label %bb_loop |
| bb_loop: |
| store %swift_error* null, %swift_error** %error_ptr_ref |
| %call = call float @foo(%swift_error** swifterror %error_ptr_ref) |
| %error_from_foo = load %swift_error*, %swift_error** %error_ptr_ref |
| %had_error_from_foo = icmp ne %swift_error* %error_from_foo, null |
| %tmp = bitcast %swift_error* %error_from_foo to i8* |
| br i1 %had_error_from_foo, label %handler, label %cont |
| cont: |
| %cmp = fcmp ogt float %call, 1.000000e+00 |
| br i1 %cmp, label %bb_end, label %bb_loop |
| bb_end: |
| %v1 = getelementptr inbounds %swift_error, %swift_error* %error_from_foo, i64 0, i32 1 |
| %t = load i8, i8* %v1 |
| store i8 %t, i8* %error_ref |
| br label %handler |
| handler: |
| call void @free(i8* %tmp) |
| ret float 1.0 |
| } |
| |
| ; "foo_if" is a function that takes a swifterror parameter, it sets swifterror |
| ; under a certain condition. |
| define float @foo_if(%swift_error** swifterror %error_ptr_ref, i32 %cc) { |
| ; CHECK-APPLE-LABEL: foo_if: |
| ; CHECK-APPLE: cmp r0, #0 |
| ; CHECK-APPLE: eq |
| ; CHECK-APPLE: mov r0, #16 |
| ; CHECK-APPLE: malloc |
| ; CHECK-APPLE-DAG: mov [[ID:r[0-9]+]], #1 |
| ; CHECK-APPLE-DAG: mov r8, r{{.*}} |
| ; CHECK-APPLE-DAG: strb [[ID]], [r{{.*}}, #8] |
| |
| ; CHECK-O0-LABEL: foo_if: |
| ; CHECK-O0: cmp r0, #0 |
| ; spill to stack |
| ; CHECK-O0: str r8 |
| ; CHECK-O0: beq |
| ; CHECK-O0: mov r0, #16 |
| ; CHECK-O0: malloc |
| ; CHECK-O0: mov [[ID:r[0-9]+]], r0 |
| ; CHECK-O0: mov [[ID2:[a-z0-9]+]], #1 |
| ; CHECK-O0: strb [[ID2]], [r0, #8] |
| ; CHECK-O0: mov r8, [[ID]] |
| ; reload from stack |
| ; CHECK-O0: ldr r8 |
| entry: |
| %cond = icmp ne i32 %cc, 0 |
| br i1 %cond, label %gen_error, label %normal |
| |
| gen_error: |
| %call = call i8* @malloc(i64 16) |
| %call.0 = bitcast i8* %call to %swift_error* |
| store %swift_error* %call.0, %swift_error** %error_ptr_ref |
| %tmp = getelementptr inbounds i8, i8* %call, i64 8 |
| store i8 1, i8* %tmp |
| ret float 1.0 |
| |
| normal: |
| ret float 0.0 |
| } |
| |
| ; "foo_loop" is a function that takes a swifterror parameter, it sets swifterror |
| ; under a certain condition inside a loop. |
| define float @foo_loop(%swift_error** swifterror %error_ptr_ref, i32 %cc, float %cc2) { |
| ; CHECK-APPLE-LABEL: foo_loop: |
| ; CHECK-APPLE: mov [[CODE:r[0-9]+]], r0 |
| ; swifterror is kept in a register |
| ; CHECK-APPLE: cmp [[CODE]], #0 |
| ; CHECK-APPLE: beq |
| ; CHECK-APPLE: mov r0, #16 |
| ; CHECK-APPLE: malloc |
| ; CHECK-APPLE: strb r{{.*}}, [r0, #8] |
| ; CHECK-APPLE: ble |
| |
| ; CHECK-O0-LABEL: foo_loop: |
| ; CHECK-O0: mov r{{.*}}, r8 |
| ; CHECK-O0: cmp r{{.*}}, #0 |
| ; CHECK-O0: beq |
| ; CHECK-O0: mov r0, #16 |
| ; CHECK-O0: malloc |
| ; CHECK-O0-DAG: mov [[ID:r[0-9]+]], r0 |
| ; CHECK-O0-DAG: movw [[ID2:.*]], #1 |
| ; CHECK-O0: strb [[ID2]], [{{.*}}[[ID]], #8] |
| ; spill r0 |
| ; CHECK-O0: str r0, [sp{{.*}}] |
| ; CHECK-O0: vcmpe |
| ; CHECK-O0: ble |
| ; reload from stack |
| ; CHECK-O0: ldr r8 |
| entry: |
| br label %bb_loop |
| |
| bb_loop: |
| %cond = icmp ne i32 %cc, 0 |
| br i1 %cond, label %gen_error, label %bb_cont |
| |
| gen_error: |
| %call = call i8* @malloc(i64 16) |
| %call.0 = bitcast i8* %call to %swift_error* |
| store %swift_error* %call.0, %swift_error** %error_ptr_ref |
| %tmp = getelementptr inbounds i8, i8* %call, i64 8 |
| store i8 1, i8* %tmp |
| br label %bb_cont |
| |
| bb_cont: |
| %cmp = fcmp ogt float %cc2, 1.000000e+00 |
| br i1 %cmp, label %bb_end, label %bb_loop |
| bb_end: |
| ret float 0.0 |
| } |
| |
| ; "foo_sret" is a function that takes a swifterror parameter, it also has a sret |
| ; parameter. |
| define void @foo_sret(%struct.S* sret %agg.result, i32 %val1, %swift_error** swifterror %error_ptr_ref) { |
| ; CHECK-APPLE-LABEL: foo_sret: |
| ; CHECK-APPLE: mov [[SRET:r[0-9]+]], r0 |
| ; CHECK-APPLE: mov r0, #16 |
| ; CHECK-APPLE: malloc |
| ; CHECK-APPLE: mov [[REG:r[0-9]+]], #1 |
| ; CHECK-APPLE-DAG: mov r8, r0 |
| ; CHECK-APPLE-DAG: strb [[REG]], [r0, #8] |
| ; CHECK-APPLE-DAG: str r{{.*}}, [{{.*}}[[SRET]], #4] |
| |
| ; CHECK-O0-LABEL: foo_sret: |
| ; CHECK-O0: mov r{{.*}}, #16 |
| ; spill to stack: sret and val1 |
| ; CHECK-O0-DAG: str r0 |
| ; CHECK-O0-DAG: str r1 |
| ; CHECK-O0: malloc |
| ; CHECK-O0: mov [[ID:r[0-9]+]], #1 |
| ; CHECK-O0: strb [[ID]], [r0, #8] |
| ; reload from stack: sret and val1 |
| ; CHECK-O0: ldr |
| ; CHECK-O0: ldr |
| ; CHECK-O0: str r{{.*}}, [{{.*}}, #4] |
| ; CHECK-O0: mov r8 |
| entry: |
| %call = call i8* @malloc(i64 16) |
| %call.0 = bitcast i8* %call to %swift_error* |
| store %swift_error* %call.0, %swift_error** %error_ptr_ref |
| %tmp = getelementptr inbounds i8, i8* %call, i64 8 |
| store i8 1, i8* %tmp |
| %v2 = getelementptr inbounds %struct.S, %struct.S* %agg.result, i32 0, i32 1 |
| store i32 %val1, i32* %v2 |
| ret void |
| } |
| |
| ; "caller3" calls "foo_sret" that takes a swifterror parameter. |
| define float @caller3(i8* %error_ref) { |
| ; CHECK-APPLE-LABEL: caller3: |
| ; CHECK-APPLE: mov [[ID:r[0-9]+]], r0 |
| ; CHECK-APPLE: mov r8, #0 |
| ; CHECK-APPLE: bl {{.*}}foo_sret |
| ; CHECK-APPLE: mov r0, r8 |
| ; CHECK-APPLE: cmp r8, #0 |
| ; Access part of the error object and save it to error_ref |
| ; CHECK-APPLE: ldrbeq [[CODE:r[0-9]+]], [r0, #8] |
| ; CHECK-APPLE: strbeq [[CODE]], [{{.*}}[[ID]]] |
| ; CHECK-APPLE: bl {{.*}}free |
| |
| ; CHECK-O0-LABEL: caller3: |
| ; CHECK-O0-DAG: mov r8, #0 |
| ; CHECK-O0-DAG: mov r0 |
| ; CHECK-O0-DAG: mov r1 |
| ; CHECK-O0: bl {{.*}}foo_sret |
| ; CHECK-O0: mov [[ID2:r[0-9]+]], r8 |
| ; CHECK-O0: cmp r8 |
| ; CHECK-O0: str [[ID2]], [sp[[SLOT:.*]]] |
| ; CHECK-O0: bne |
| ; Access part of the error object and save it to error_ref |
| ; CHECK-O0: ldrb [[CODE:r[0-9]+]] |
| ; CHECK-O0: ldr [[ID:r[0-9]+]] |
| ; CHECK-O0: strb [[CODE]], [{{.*}}[[ID]]] |
| ; CHECK-O0: ldr r0, [sp[[SLOT]] |
| ; CHECK-O0: bl {{.*}}free |
| entry: |
| %s = alloca %struct.S, align 8 |
| %error_ptr_ref = alloca swifterror %swift_error* |
| store %swift_error* null, %swift_error** %error_ptr_ref |
| call void @foo_sret(%struct.S* sret %s, i32 1, %swift_error** swifterror %error_ptr_ref) |
| %error_from_foo = load %swift_error*, %swift_error** %error_ptr_ref |
| %had_error_from_foo = icmp ne %swift_error* %error_from_foo, null |
| %tmp = bitcast %swift_error* %error_from_foo to i8* |
| br i1 %had_error_from_foo, label %handler, label %cont |
| cont: |
| %v1 = getelementptr inbounds %swift_error, %swift_error* %error_from_foo, i64 0, i32 1 |
| %t = load i8, i8* %v1 |
| store i8 %t, i8* %error_ref |
| br label %handler |
| handler: |
| call void @free(i8* %tmp) |
| ret float 1.0 |
| } |
| |
| ; "foo_vararg" is a function that takes a swifterror parameter, it also has |
| ; variable number of arguments. |
| declare void @llvm.va_start(i8*) nounwind |
| define float @foo_vararg(%swift_error** swifterror %error_ptr_ref, ...) { |
| ; CHECK-APPLE-LABEL: foo_vararg: |
| ; CHECK-APPLE: mov r0, #16 |
| ; CHECK-APPLE: malloc |
| ; CHECK-APPLE: mov r8, r0 |
| ; CHECK-APPLE: mov [[ID:r[0-9]+]], #1 |
| ; CHECK-APPLE-DAG: strb [[ID]], [r8, #8] |
| |
| entry: |
| %call = call i8* @malloc(i64 16) |
| %call.0 = bitcast i8* %call to %swift_error* |
| store %swift_error* %call.0, %swift_error** %error_ptr_ref |
| %tmp = getelementptr inbounds i8, i8* %call, i64 8 |
| store i8 1, i8* %tmp |
| |
| %args = alloca i8*, align 8 |
| %a10 = alloca i32, align 4 |
| %a11 = alloca i32, align 4 |
| %a12 = alloca i32, align 4 |
| %v10 = bitcast i8** %args to i8* |
| call void @llvm.va_start(i8* %v10) |
| %v11 = va_arg i8** %args, i32 |
| store i32 %v11, i32* %a10, align 4 |
| %v12 = va_arg i8** %args, i32 |
| store i32 %v12, i32* %a11, align 4 |
| %v13 = va_arg i8** %args, i32 |
| store i32 %v13, i32* %a12, align 4 |
| |
| ret float 1.0 |
| } |
| |
| ; "caller4" calls "foo_vararg" that takes a swifterror parameter. |
| define float @caller4(i8* %error_ref) { |
| ; CHECK-APPLE-LABEL: caller4: |
| ; CHECK-APPLE: mov [[ID:r[0-9]+]], r0 |
| ; CHECK-APPLE: mov r8, #0 |
| ; CHECK-APPLE: bl {{.*}}foo_vararg |
| ; CHECK-APPLE: mov r0, r8 |
| ; CHECK-APPLE: cmp r8, #0 |
| ; Access part of the error object and save it to error_ref |
| ; CHECK-APPLE: ldrbeq [[CODE:r[0-9]+]], [r0, #8] |
| ; CHECK-APPLE: strbeq [[CODE]], [{{.*}}[[ID]]] |
| ; CHECK-APPLE: bl {{.*}}free |
| entry: |
| %error_ptr_ref = alloca swifterror %swift_error* |
| store %swift_error* null, %swift_error** %error_ptr_ref |
| |
| %a10 = alloca i32, align 4 |
| %a11 = alloca i32, align 4 |
| %a12 = alloca i32, align 4 |
| store i32 10, i32* %a10, align 4 |
| store i32 11, i32* %a11, align 4 |
| store i32 12, i32* %a12, align 4 |
| %v10 = load i32, i32* %a10, align 4 |
| %v11 = load i32, i32* %a11, align 4 |
| %v12 = load i32, i32* %a12, align 4 |
| |
| %call = call float (%swift_error**, ...) @foo_vararg(%swift_error** swifterror %error_ptr_ref, i32 %v10, i32 %v11, i32 %v12) |
| %error_from_foo = load %swift_error*, %swift_error** %error_ptr_ref |
| %had_error_from_foo = icmp ne %swift_error* %error_from_foo, null |
| %tmp = bitcast %swift_error* %error_from_foo to i8* |
| br i1 %had_error_from_foo, label %handler, label %cont |
| |
| cont: |
| %v1 = getelementptr inbounds %swift_error, %swift_error* %error_from_foo, i64 0, i32 1 |
| %t = load i8, i8* %v1 |
| store i8 %t, i8* %error_ref |
| br label %handler |
| handler: |
| call void @free(i8* %tmp) |
| ret float 1.0 |
| } |
| |
| ; Check that we don't blow up on tail calling swifterror argument functions. |
| define float @tailcallswifterror(%swift_error** swifterror %error_ptr_ref) { |
| entry: |
| %0 = tail call float @tailcallswifterror(%swift_error** swifterror %error_ptr_ref) |
| ret float %0 |
| } |
| define swiftcc float @tailcallswifterror_swiftcc(%swift_error** swifterror %error_ptr_ref) { |
| entry: |
| %0 = tail call swiftcc float @tailcallswifterror_swiftcc(%swift_error** swifterror %error_ptr_ref) |
| ret float %0 |
| } |
| |
| ; CHECK-APPLE-LABEL: swifterror_clobber |
| ; CHECK-APPLE: mov [[REG:r[0-9]+]], r8 |
| ; CHECK-APPLE: nop |
| ; CHECK-APPLE: mov r8, [[REG]] |
| define swiftcc void @swifterror_clobber(%swift_error** nocapture swifterror %err) { |
| call void asm sideeffect "nop", "~{r8}"() |
| ret void |
| } |
| |
| ; CHECK-APPLE-LABEL: swifterror_reg_clobber |
| ; CHECK-APPLE: push {{.*}}r8 |
| ; CHECK-APPLE: nop |
| ; CHECK-APPLE: pop {{.*}}r8 |
| define swiftcc void @swifterror_reg_clobber(%swift_error** nocapture %err) { |
| call void asm sideeffect "nop", "~{r8}"() |
| ret void |
| } |
| |
| ; CHECK-ARMV7-LABEL: _params_in_reg |
| ; Store callee saved registers excluding swifterror. |
| ; CHECK-ARMV7: push {r4, r5, r6, r7, r10, r11, lr} |
| ; Store swiftself (r10) and swifterror (r8). |
| ; CHECK-ARMV7-DAG: str r8, [s[[STK1:.*]]] |
| ; CHECK-ARMV7-DAG: str r10, [s[[STK2:.*]]] |
| ; Store arguments. |
| ; CHECK-ARMV7-DAG: mov r6, r3 |
| ; CHECK-ARMV7-DAG: mov r4, r2 |
| ; CHECK-ARMV7-DAG: mov r11, r1 |
| ; CHECK-ARMV7-DAG: mov r5, r0 |
| ; Setup call. |
| ; CHECK-ARMV7: mov r0, #1 |
| ; CHECK-ARMV7: mov r1, #2 |
| ; CHECK-ARMV7: mov r2, #3 |
| ; CHECK-ARMV7: mov r3, #4 |
| ; CHECK-ARMV7: mov r10, #0 |
| ; CHECK-ARMV7: mov r8, #0 |
| ; CHECK-ARMV7: bl _params_in_reg2 |
| ; Restore original arguments. |
| ; CHECK-ARMV7-DAG: ldr r10, [s[[STK2]]] |
| ; CHECK-ARMV7-DAG: ldr r8, [s[[STK1]]] |
| ; CHECK-ARMV7-DAG: mov r0, r5 |
| ; CHECK-ARMV7-DAG: mov r1, r11 |
| ; CHECK-ARMV7-DAG: mov r2, r4 |
| ; CHECK-ARMV7-DAG: mov r3, r6 |
| ; CHECK-ARMV7: bl _params_in_reg2 |
| ; CHECK-ARMV7: pop {r4, r5, r6, r7, r10, r11, pc} |
| define swiftcc void @params_in_reg(i32, i32, i32, i32, i8* swiftself, %swift_error** nocapture swifterror %err) { |
| %error_ptr_ref = alloca swifterror %swift_error*, align 8 |
| store %swift_error* null, %swift_error** %error_ptr_ref |
| call swiftcc void @params_in_reg2(i32 1, i32 2, i32 3, i32 4, i8* swiftself null, %swift_error** nocapture swifterror %error_ptr_ref) |
| call swiftcc void @params_in_reg2(i32 %0, i32 %1, i32 %2, i32 %3, i8* swiftself %4, %swift_error** nocapture swifterror %err) |
| ret void |
| } |
| declare swiftcc void @params_in_reg2(i32, i32, i32, i32, i8* swiftself, %swift_error** nocapture swifterror %err) |
| |
| ; CHECK-ARMV7-LABEL: params_and_return_in_reg |
| ; CHECK-ARMV7: push {r4, r5, r6, r7, r10, r11, lr} |
| ; Store swifterror and swiftself |
| ; CHECK-ARMV7: mov r6, r8 |
| ; CHECK-ARMV7: str r10, [s[[STK1:.*]]] |
| ; Store arguments. |
| ; CHECK-ARMV7: str r3, [s[[STK2:.*]]] |
| ; CHECK-ARMV7: mov r4, r2 |
| ; CHECK-ARMV7: mov r11, r1 |
| ; CHECK-ARMV7: mov r5, r0 |
| ; Setup call. |
| ; CHECK-ARMV7: mov r0, #1 |
| ; CHECK-ARMV7: mov r1, #2 |
| ; CHECK-ARMV7: mov r2, #3 |
| ; CHECK-ARMV7: mov r3, #4 |
| ; CHECK-ARMV7: mov r10, #0 |
| ; CHECK-ARMV7: mov r8, #0 |
| ; CHECK-ARMV7: bl _params_in_reg2 |
| ; Restore original arguments. |
| ; CHECK-ARMV7-DAG: ldr r3, [s[[STK2]]] |
| ; CHECK-ARMV7-DAG: ldr r10, [s[[STK1]]] |
| ; Store %error_ptr_ref; |
| ; CHECK-ARMV7-DAG: str r8, [s[[STK3:.*]]] |
| ; Restore original arguments. |
| ; CHECK-ARMV7-DAG: mov r0, r5 |
| ; CHECK-ARMV7-DAG: mov r1, r11 |
| ; CHECK-ARMV7-DAG: mov r2, r4 |
| ; CHECK-ARMV7-DAG: mov r8, r6 |
| ; CHECK-ARMV7: bl _params_and_return_in_reg2 |
| ; Store swifterror return %err; |
| ; CHECK-ARMV7-DAG: str r8, [s[[STK1]]] |
| ; Load swifterror value %error_ptr_ref. |
| ; CHECK-ARMV7-DAG: ldr r8, [s[[STK3]]] |
| ; Save return values. |
| ; CHECK-ARMV7-DAG: mov r4, r0 |
| ; CHECK-ARMV7-DAG: mov r5, r1 |
| ; CHECK-ARMV7-DAG: mov r6, r2 |
| ; CHECK-ARMV7-DAG: mov r11, r3 |
| ; Setup call. |
| ; CHECK-ARMV7: mov r0, #1 |
| ; CHECK-ARMV7: mov r1, #2 |
| ; CHECK-ARMV7: mov r2, #3 |
| ; CHECK-ARMV7: mov r3, #4 |
| ; CHECK-ARMV7: mov r10, #0 |
| ; CHECK-ARMV7: bl _params_in_reg2 |
| ; Load swifterror %err; |
| ; CHECK-ARMV7-DAG: ldr r8, [s[[STK1]]] |
| ; Restore return values for returning. |
| ; CHECK-ARMV7-DAG: mov r0, r4 |
| ; CHECK-ARMV7-DAG: mov r1, r5 |
| ; CHECK-ARMV7-DAG: mov r2, r6 |
| ; CHECK-ARMV7-DAG: mov r3, r11 |
| ; CHECK-ARMV7: pop {r4, r5, r6, r7, r10, r11, pc} |
| |
| ; CHECK-ANDROID-LABEL: params_and_return_in_reg |
| ; CHECK-ANDROID: push {r4, r5, r6, r7, r9, r10, r11, lr} |
| ; CHECK-ANDROID: sub sp, sp, #16 |
| ; CHECK-ANDROID: str r8, [sp, #4] @ 4-byte Spill |
| ; CHECK-ANDROID: mov r11, r10 |
| ; CHECK-ANDROID: mov r6, r3 |
| ; CHECK-ANDROID: mov r7, r2 |
| ; CHECK-ANDROID: mov r4, r1 |
| ; CHECK-ANDROID: mov r5, r0 |
| ; CHECK-ANDROID: mov r0, #1 |
| ; CHECK-ANDROID: mov r1, #2 |
| ; CHECK-ANDROID: mov r2, #3 |
| ; CHECK-ANDROID: mov r3, #4 |
| ; CHECK-ANDROID: mov r10, #0 |
| ; CHECK-ANDROID: mov r8, #0 |
| ; CHECK-ANDROID: bl params_in_reg2 |
| ; CHECK-ANDROID: mov r9, r8 |
| ; CHECK-ANDROID: ldr r8, [sp, #4] @ 4-byte Reload |
| ; CHECK-ANDROID: mov r0, r5 |
| ; CHECK-ANDROID: mov r1, r4 |
| ; CHECK-ANDROID: mov r2, r7 |
| ; CHECK-ANDROID: mov r3, r6 |
| ; CHECK-ANDROID: mov r10, r11 |
| ; CHECK-ANDROID: bl params_and_return_in_reg2 |
| ; CHECK-ANDROID: mov r4, r0 |
| ; CHECK-ANDROID: mov r5, r1 |
| ; CHECK-ANDROID: mov r6, r2 |
| ; CHECK-ANDROID: mov r7, r3 |
| ; CHECK-ANDROID: mov r11, r8 |
| ; CHECK-ANDROID: mov r0, #1 |
| ; CHECK-ANDROID: mov r1, #2 |
| ; CHECK-ANDROID: mov r2, #3 |
| ; CHECK-ANDROID: mov r3, #4 |
| ; CHECK-ANDROID: mov r10, #0 |
| ; CHECK-ANDROID: mov r8, r9 |
| ; CHECK-ANDROID: bl params_in_reg2 |
| ; CHECK-ANDROID: mov r0, r4 |
| ; CHECK-ANDROID: mov r1, r5 |
| ; CHECK-ANDROID: mov r2, r6 |
| ; CHECK-ANDROID: mov r3, r7 |
| ; CHECK-ANDROID: mov r8, r11 |
| ; CHECK-ANDROID: add sp, sp, #16 |
| ; CHECK-ANDROID: pop {r4, r5, r6, r7, r9, r10, r11, pc} |
| |
| define swiftcc { i32, i32, i32, i32} @params_and_return_in_reg(i32, i32, i32, i32, i8* swiftself, %swift_error** nocapture swifterror %err) { |
| %error_ptr_ref = alloca swifterror %swift_error*, align 8 |
| store %swift_error* null, %swift_error** %error_ptr_ref |
| call swiftcc void @params_in_reg2(i32 1, i32 2, i32 3, i32 4, i8* swiftself null, %swift_error** nocapture swifterror %error_ptr_ref) |
| %val = call swiftcc { i32, i32, i32, i32 } @params_and_return_in_reg2(i32 %0, i32 %1, i32 %2, i32 %3, i8* swiftself %4, %swift_error** nocapture swifterror %err) |
| call swiftcc void @params_in_reg2(i32 1, i32 2, i32 3, i32 4, i8* swiftself null, %swift_error** nocapture swifterror %error_ptr_ref) |
| ret { i32, i32, i32, i32 }%val |
| } |
| |
| declare swiftcc { i32, i32, i32, i32 } @params_and_return_in_reg2(i32, i32, i32, i32, i8* swiftself, %swift_error** nocapture swifterror %err) |
| |
| |
| declare void @acallee(i8*) |
| |
| ; Make sure we don't tail call if the caller returns a swifterror value. We |
| ; would have to move into the swifterror register before the tail call. |
| ; CHECK-APPLE: tailcall_from_swifterror: |
| ; CHECK-APPLE-NOT: b _acallee |
| ; CHECK-APPLE: bl _acallee |
| ; CHECK-ANDROID: tailcall_from_swifterror: |
| ; CHECK-ANDROID-NOT: b acallee |
| ; CHECK-ANDROID: bl acallee |
| |
| define swiftcc void @tailcall_from_swifterror(%swift_error** swifterror %error_ptr_ref) { |
| entry: |
| tail call void @acallee(i8* null) |
| ret void |
| } |
| |
| |
| declare swiftcc void @foo2(%swift_error** swifterror) |
| |
| ; Make sure we properly assign registers during fast-isel. |
| ; CHECK-O0-LABEL: testAssign |
| ; CHECK-O0: mov r8, #0 |
| ; CHECK-O0: bl _foo2 |
| ; CHECK-O0: str r8, [s[[STK:p.*]]] |
| ; CHECK-O0: ldr r0, [s[[STK]]] |
| ; CHECK-O0: pop |
| |
| ; CHECK-APPLE-LABEL: testAssign |
| ; CHECK-APPLE: mov r8, #0 |
| ; CHECK-APPLE: bl _foo2 |
| ; CHECK-APPLE: mov r0, r8 |
| |
| ; CHECK-ANDROID-LABEL: testAssign |
| ; CHECK-ANDROID: mov r8, #0 |
| ; CHECK-ANDROID: bl foo2 |
| ; CHECK-ANDROID: mov r0, r8 |
| |
| define swiftcc %swift_error* @testAssign(i8* %error_ref) { |
| entry: |
| %error_ptr = alloca swifterror %swift_error* |
| store %swift_error* null, %swift_error** %error_ptr |
| call swiftcc void @foo2(%swift_error** swifterror %error_ptr) |
| br label %a |
| |
| a: |
| %error = load %swift_error*, %swift_error** %error_ptr |
| ret %swift_error* %error |
| } |
