File: addr-taken.ll

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llvm-toolchain-16 1%3A16.0.6-15~deb12u1
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; 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

; Address-of local taken (j = &a)
; Requires protector.

define void @foo() nounwind uwtable safestack {
entry:
  ; CHECK: __safestack_unsafe_stack_ptr
  %retval = alloca i32, align 4
  %a = alloca i32, align 4
  %j = alloca ptr, align 8
  store i32 0, ptr %retval
  %0 = load i32, ptr %a, align 4
  %add = add nsw i32 %0, 1
  store i32 %add, ptr %a, align 4
  store ptr %a, ptr %j, align 8
  ret void
}