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llvm-mirror/test/CodeGen/SPARC/stack-protector.ll
Marcin Koscielnicki 599068857b [SPARC] [SSP] Add support for LOAD_STACK_GUARD.
This fixes PR22248 on sparc.

Differential Revision: http://reviews.llvm.org/D19386

llvm-svn: 267545
2016-04-26 10:37:14 +00:00

34 lines
1.3 KiB
LLVM

; RUN: llc -mtriple=sparc-unknown-linux < %s | FileCheck %s --check-prefix=LINUX-32
; RUN: llc -mtriple=sparc64-unknown-linux < %s | FileCheck %s --check-prefix=LINUX-64
; RUN: llc -mtriple=sparc-unknown-solaris < %s | FileCheck %s --check-prefix=GENERIC
; RUN: llc -mtriple=sparc64-unknown-solaris < %s | FileCheck %s --check-prefix=GENERIC
; LINUX-32: ld [%g7+20], [[REG1:%[ilo][0-9]*]]
; LINUX-64: ldx [%g7+40], [[REG1:%[ilo][0-9]*]]
; LINUX-32-NOT: __stack_chk_guard
; LINUX-64-NOT: __stack_chk_guard
; GENERIC: __stack_chk_guard
@"\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