|  | ; 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, ...) |