xref: /llvm-project/llvm/test/Transforms/SafeStack/X86/addr-taken.ll (revision 3bd517205799a152689434ceddf9493765f1e883)
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; Address-of local taken (j = &a)
9; Requires protector.
10
11define void @foo() nounwind uwtable safestack {
12entry:
13  ; CHECK: __safestack_unsafe_stack_ptr
14  %retval = alloca i32, align 4
15  %a = alloca i32, align 4
16  %j = alloca ptr, align 8
17  store i32 0, ptr %retval
18  %0 = load i32, ptr %a, align 4
19  %add = add nsw i32 %0, 1
20  store i32 %add, ptr %a, align 4
21  store ptr %a, ptr %j, align 8
22  ret void
23}
24
25