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