llvm-6502/test/CodeGen/X86/stack-protector.ll
2012-08-13 21:32:42 +00:00

29 lines
1.1 KiB
LLVM

; RUN: llc -mtriple=i386-pc-linux-gnu < %s -o - | grep %gs:
; RUN: llc -mtriple=x86_64-pc-linux-gnu < %s -o - | grep %fs:
; RUN: llc -code-model=kernel -mtriple=x86_64-pc-linux-gnu < %s -o - | grep %gs:
; RUN: llc -mtriple=x86_64-apple-darwin < %s -o - | grep "__stack_chk_guard"
; RUN: llc -mtriple=x86_64-apple-darwin < %s -o - | grep "__stack_chk_fail"
@"\01LC" = internal constant [11 x i8] c"buf == %s\0A\00" ; <[11 x i8]*> [#uses=1]
define void @test(i8* %a) nounwind ssp {
entry:
%a_addr = alloca i8* ; <i8**> [#uses=2]
%buf = alloca [8 x i8] ; <[8 x i8]*> [#uses=2]
%"alloca point" = bitcast i32 0 to i32 ; <i32> [#uses=0]
store i8* %a, i8** %a_addr
%buf1 = bitcast [8 x i8]* %buf to i8* ; <i8*> [#uses=1]
%0 = load i8** %a_addr, align 4 ; <i8*> [#uses=1]
%1 = call i8* @strcpy(i8* %buf1, i8* %0) nounwind ; <i8*> [#uses=0]
%buf2 = bitcast [8 x i8]* %buf to i8* ; <i8*> [#uses=1]
%2 = call i32 (i8*, ...)* @printf(i8* getelementptr ([11 x i8]* @"\01LC", i32 0, i32 0), i8* %buf2) nounwind ; <i32> [#uses=0]
br label %return
return: ; preds = %entry
ret void
}
declare i8* @strcpy(i8*, i8*) nounwind
declare i32 @printf(i8*, ...) nounwind