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