1; NOTE: Assertions have been autogenerated by utils/update_test_checks.py
2; RUN: opt -S -safe-stack < %s | FileCheck %s
3
4target triple = "x86_64-unknown-unknown"
5
6define void @min_of_pointers(i32* %p) safestack {
7; CHECK-LABEL: @min_of_pointers(
8; CHECK-NEXT:    [[UNSAFE_STACK_PTR:%.*]] = load i8*, i8** @__safestack_unsafe_stack_ptr, align 8
9; CHECK-NEXT:    [[UNSAFE_STACK_STATIC_TOP:%.*]] = getelementptr i8, i8* [[UNSAFE_STACK_PTR]], i32 -16
10; CHECK-NEXT:    store i8* [[UNSAFE_STACK_STATIC_TOP]], i8** @__safestack_unsafe_stack_ptr, align 8
11; CHECK-NEXT:    [[TMP1:%.*]] = getelementptr i8, i8* [[UNSAFE_STACK_PTR]], i32 -4
12; CHECK-NEXT:    [[A_UNSAFE1:%.*]] = bitcast i8* [[TMP1]] to i32*
13; CHECK-NEXT:    [[CMP:%.*]] = icmp ult i32* [[A_UNSAFE1]], [[P:%.*]]
14; CHECK-NEXT:    [[TMP2:%.*]] = getelementptr i8, i8* [[UNSAFE_STACK_PTR]], i32 -4
15; CHECK-NEXT:    [[A_UNSAFE:%.*]] = bitcast i8* [[TMP2]] to i32*
16; CHECK-NEXT:    [[S:%.*]] = select i1 [[CMP]], i32* [[A_UNSAFE]], i32* [[P]]
17; CHECK-NEXT:    store i32 0, i32* [[S]], align 4
18; CHECK-NEXT:    store i8* [[UNSAFE_STACK_PTR]], i8** @__safestack_unsafe_stack_ptr, align 8
19; CHECK-NEXT:    ret void
20;
21  %a = alloca i32
22  %cmp = icmp ult i32* %a, %p
23  %s = select i1 %cmp, i32* %a, i32* %p
24  store i32 0, i32* %s
25  ret void
26}
27