| ; NOTE: Assertions have been autogenerated by utils/update_test_checks.py |
| ; RUN: opt -S -passes=verify,iroutliner -ir-outlining-no-cost < %s | FileCheck %s |
| |
| ; This test checks that we do not outline functions that are marked as returns |
| ; twice, since these can alter the frame of the function and affect how the |
| ; outliner behaves, causing miscompiles. |
| |
| ; Function Attrs: optsize returns_twice |
| declare i32 @setjmp(ptr) local_unnamed_addr #1 |
| @tmp_jmpb = global [37 x i32] zeroinitializer, align 16 |
| |
| define void @function1() { |
| ; CHECK-LABEL: @function1( |
| ; CHECK-NEXT: entry: |
| ; CHECK-NEXT: [[A:%.*]] = alloca i32, align 4 |
| ; CHECK-NEXT: [[B:%.*]] = alloca i32, align 4 |
| ; CHECK-NEXT: [[C:%.*]] = alloca i32, align 4 |
| ; CHECK-NEXT: store i32 2, ptr [[A]], align 4 |
| ; CHECK-NEXT: store i32 3, ptr [[B]], align 4 |
| ; CHECK-NEXT: store i32 4, ptr [[C]], align 4 |
| ; CHECK-NEXT: [[CALL:%.*]] = call i32 @setjmp(ptr @tmp_jmpb) |
| ; CHECK-NEXT: call void @outlined_ir_func_0(ptr [[A]], ptr [[B]], ptr [[C]]) |
| ; CHECK-NEXT: ret void |
| ; |
| entry: |
| %a = alloca i32, align 4 |
| %b = alloca i32, align 4 |
| %c = alloca i32, align 4 |
| store i32 2, ptr %a, align 4 |
| store i32 3, ptr %b, align 4 |
| store i32 4, ptr %c, align 4 |
| %call = call i32 @setjmp(ptr @tmp_jmpb) |
| %al = load i32, ptr %a |
| %bl = load i32, ptr %b |
| %cl = load i32, ptr %c |
| ret void |
| } |
| |
| define void @function2() { |
| ; CHECK-LABEL: @function2( |
| ; CHECK-NEXT: entry: |
| ; CHECK-NEXT: [[A:%.*]] = alloca i32, align 4 |
| ; CHECK-NEXT: [[B:%.*]] = alloca i32, align 4 |
| ; CHECK-NEXT: [[C:%.*]] = alloca i32, align 4 |
| ; CHECK-NEXT: store i32 2, ptr [[A]], align 4 |
| ; CHECK-NEXT: store i32 3, ptr [[B]], align 4 |
| ; CHECK-NEXT: store i32 4, ptr [[C]], align 4 |
| ; CHECK-NEXT: [[CALL:%.*]] = call i32 @setjmp(ptr @tmp_jmpb) |
| ; CHECK-NEXT: call void @outlined_ir_func_0(ptr [[A]], ptr [[B]], ptr [[C]]) |
| ; CHECK-NEXT: ret void |
| ; |
| entry: |
| %a = alloca i32, align 4 |
| %b = alloca i32, align 4 |
| %c = alloca i32, align 4 |
| store i32 2, ptr %a, align 4 |
| store i32 3, ptr %b, align 4 |
| store i32 4, ptr %c, align 4 |
| %call = call i32 @setjmp(ptr @tmp_jmpb) |
| %al = load i32, ptr %a |
| %bl = load i32, ptr %b |
| %cl = load i32, ptr %c |
| ret void |
| } |
| |
| attributes #1 = { optsize returns_twice } |