| ; 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 |
| ; RUN: opt -passes=safe-stack -S -mtriple=i386-pc-linux-gnu < %s -o - | FileCheck %s |
| ; RUN: opt -passes=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(ptr %a) nounwind uwtable { |
| entry: |
| ; CHECK-NOT: __safestack_unsafe_stack_ptr |
| %a.addr = alloca ptr, align 8 |
| %buf = alloca [16 x i8], align 16 |
| store ptr %a, ptr %a.addr, align 8 |
| %0 = load ptr, ptr %a.addr, align 8 |
| %call = call ptr @strcpy(ptr %buf, ptr %0) |
| %call2 = call i32 (ptr, ...) @printf(ptr @.str, ptr %buf) |
| ret void |
| } |
| |
| declare ptr @strcpy(ptr, ptr) |
| declare i32 @printf(ptr, ...) |