1 ; RUN: opt -safe-stack -S -mtriple=i386-pc-linux-gnu < %s -o - | FileCheck %s 2 ; RUN: opt -safe-stack -S -mtriple=x86_64-pc-linux-gnu < %s -o - | FileCheck %s 3 4 @.str = private unnamed_addr constant [4 x i8] c"%s\0A\00", align 1 5 6 ; no safestack attribute 7 ; Requires no protector. 8 9 ; CHECK-NOT: __safestack_unsafe_stack_ptr 10 11 ; CHECK: @foo 12 define void @foo(i8* %a) nounwind uwtable { 13 entry: 14 ; CHECK-NOT: __safestack_unsafe_stack_ptr 15 %a.addr = alloca i8*, align 8 16 %buf = alloca [16 x i8], align 16 17 store i8* %a, i8** %a.addr, align 8 18 %arraydecay = getelementptr inbounds [16 x i8], [16 x i8]* %buf, i32 0, i32 0 19 %0 = load i8*, i8** %a.addr, align 8 20 %call = call i8* @strcpy(i8* %arraydecay, i8* %0) 21 %arraydecay1 = getelementptr inbounds [16 x i8], [16 x i8]* %buf, i32 0, i32 0 22 %call2 = call i32 (i8*, ...) @printf(i8* getelementptr inbounds ([4 x i8], [4 x i8]* @.str, i32 0, i32 0), i8* %arraydecay1) 23 ret void 24 } 25 26 declare i8* @strcpy(i8*, i8*) 27 declare i32 @printf(i8*, ...) 28
