| ; RUN: opt -safe-stack -S -mtriple=i386-pc-linux-gnu < %s -o - | FileCheck %s |
| ; RUN: opt -safe-stack -S -mtriple=x86_64-pc-linux-gnu < %s -o - | FileCheck %s |
| |
| @.str = private unnamed_addr constant [4 x i8] c"%s\0A\00", align 1 |
| |
| ; no safestack attribute |
| ; Requires no protector. |
| |
| ; CHECK-NOT: __safestack_unsafe_stack_ptr |
| |
| ; CHECK: @foo |
| define void @foo(i8* %a) nounwind uwtable { |
| entry: |
| ; CHECK-NOT: __safestack_unsafe_stack_ptr |
| %a.addr = alloca i8*, align 8 |
| %buf = alloca [16 x i8], align 16 |
| store i8* %a, i8** %a.addr, align 8 |
| %arraydecay = getelementptr inbounds [16 x i8], [16 x i8]* %buf, i32 0, i32 0 |
| %0 = load i8*, i8** %a.addr, align 8 |
| %call = call i8* @strcpy(i8* %arraydecay, i8* %0) |
| %arraydecay1 = getelementptr inbounds [16 x i8], [16 x i8]* %buf, i32 0, i32 0 |
| %call2 = call i32 (i8*, ...) @printf(i8* getelementptr inbounds ([4 x i8], [4 x i8]* @.str, i32 0, i32 0), i8* %arraydecay1) |
| ret void |
| } |
| |
| declare i8* @strcpy(i8*, i8*) |
| declare i32 @printf(i8*, ...) |