xref: /llvm-project/llvm/test/Transforms/SafeStack/X86/escape-casted-pointer.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; Addr-of a casted pointer
9;  safestack attribute
10; Requires protector.
11define void @foo() nounwind uwtable safestack {
12entry:
13  ; CHECK: __safestack_unsafe_stack_ptr
14  %a = alloca ptr, align 8
15  %b = alloca ptr, align 8
16  %call = call ptr @getp()
17  store ptr %call, ptr %a, align 8
18  store ptr %a, ptr %b, align 8
19  %0 = load ptr, ptr %b, align 8
20  call void @funfloat2(ptr %0)
21  ret void
22}
23
24declare void @funfloat2(ptr)
25declare ptr @getp()
26