forked from OSchip/llvm-project
40 lines
1.5 KiB
LLVM
40 lines
1.5 KiB
LLVM
; 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
|
|
}
|