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llvm-mirror/test/CodeGen/PowerPC/stack-protector.ll
Marcin Koscielnicki 452981873a [PowerPC] [SSP] Fix stack guard load for 32-bit.
r266809 incorrectly used LD to load the stack guard, it should be LWZ.

Differential Revision: http://reviews.llvm.org/D19358

llvm-svn: 267017
2016-04-21 17:36:05 +00:00

38 lines
1.4 KiB
LLVM

; RUN: llc -mtriple=powerpc-apple-darwin8 < %s | FileCheck -check-prefix=DARWIN32 %s
; RUN: llc -mtriple=powerpc64-apple-darwin < %s | FileCheck -check-prefix=DARWIN64 %s
; RUN: llc -mtriple=ppc32-unknown-linux < %s | FileCheck -check-prefix=LINUX32 %s
; RUN: llc -mtriple=powerpc64le-unknown-linux < %s | FileCheck -check-prefix=LINUX64 %s
; DARWIN32: __stack_chk_guard
; DARWIN64: __stack_chk_guard
; LINUX32: lwz {{[0-9]+}}, -28680(2)
; LINUX64: ld {{[0-9]+}}, -28688(13)
; DARWIN32: __stack_chk_fail
; DARWIN64: __stack_chk_fail
; LINUX32: __stack_chk_fail
; LINUX64: __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*, 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], [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