| ; Verify that a ud2 is generated after the call to __stack_chk_fail. |
| |
| ; RUN: llc < %s -mtriple=x86_64-scei-ps4 -enable-selectiondag-sp=false -O0 -o - | FileCheck %s |
| ; RUN: llc < %s -mtriple=x86_64-scei-ps4 -enable-selectiondag-sp=false -O2 -o - | FileCheck %s |
| ; RUN: llc < %s -mtriple=x86_64-scei-ps4 -enable-selectiondag-sp=true -O0 -o - | FileCheck %s |
| ; RUN: llc < %s -mtriple=x86_64-scei-ps4 -enable-selectiondag-sp=true -O2 -o - | FileCheck %s |
| |
| |
| ; CHECK: check_input: |
| ; CHECK: callq __stack_chk_fail |
| ; CHECK-NEXT: ud2 |
| ; CHECK: .size check_input |
| ; CHECK-NEXT: .cfi_endproc |
| |
| @.str = private unnamed_addr constant [37 x i8] c"????????????????????????????????????\00", align 1 |
| |
| define signext i8 @check_input(i8* %input) nounwind uwtable ssp { |
| entry: |
| %input.addr = alloca i8*, align 8 |
| %buf = alloca [16 x i8], align 16 |
| store i8* %input, i8** %input.addr, align 8 |
| %arraydecay = getelementptr inbounds [16 x i8], [16 x i8]* %buf, i32 0, i32 0 |
| %0 = load i8*, i8** %input.addr, align 8 |
| %call = call i8* @strcpy(i8* %arraydecay, i8* %0) nounwind |
| %arrayidx = getelementptr inbounds [16 x i8], [16 x i8]* %buf, i32 0, i64 0 |
| %1 = load i8, i8* %arrayidx, align 1 |
| ret i8 %1 |
| } |
| |
| declare i8* @strcpy(i8*, i8*) nounwind |
| |
| define i32 @main() nounwind uwtable ssp { |
| entry: |
| %retval = alloca i32, align 4 |
| store i32 0, i32* %retval |
| %call = call signext i8 @check_input(i8* getelementptr inbounds ([37 x i8], [37 x i8]* @.str, i32 0, i32 0)) |
| %conv = sext i8 %call to i32 |
| ret i32 %conv |
| } |