llvm/test/Transforms/SafeStack/X86/pr54784.ll

; NOTE: Assertions have been autogenerated by utils/update_test_checks.py
; RUN: opt -S -safe-stack < %s | FileCheck %s

target triple = "x86_64-unknown-unknown"

define void @min_of_pointers(i32* %p) safestack {
; CHECK-LABEL: @min_of_pointers(
; CHECK-NEXT:    [[UNSAFE_STACK_PTR:%.*]] = load i8*, i8** @__safestack_unsafe_stack_ptr, align 8
; CHECK-NEXT:    [[UNSAFE_STACK_STATIC_TOP:%.*]] = getelementptr i8, i8* [[UNSAFE_STACK_PTR]], i32 -16
; CHECK-NEXT:    store i8* [[UNSAFE_STACK_STATIC_TOP]], i8** @__safestack_unsafe_stack_ptr, align 8
; CHECK-NEXT:    [[TMP1:%.*]] = getelementptr i8, i8* [[UNSAFE_STACK_PTR]], i32 -4
; CHECK-NEXT:    [[A_UNSAFE1:%.*]] = bitcast i8* [[TMP1]] to i32*
; CHECK-NEXT:    [[CMP:%.*]] = icmp ult i32* [[A_UNSAFE1]], [[P:%.*]]
; CHECK-NEXT:    [[TMP2:%.*]] = getelementptr i8, i8* [[UNSAFE_STACK_PTR]], i32 -4
; CHECK-NEXT:    [[A_UNSAFE:%.*]] = bitcast i8* [[TMP2]] to i32*
; CHECK-NEXT:    [[S:%.*]] = select i1 [[CMP]], i32* [[A_UNSAFE]], i32* [[P]]
; CHECK-NEXT:    store i32 0, i32* [[S]], align 4
; CHECK-NEXT:    store i8* [[UNSAFE_STACK_PTR]], i8** @__safestack_unsafe_stack_ptr, align 8
; CHECK-NEXT:    ret void
;
  %a = alloca i32
  %cmp = icmp ult i32* %a, %p
  %s = select i1 %cmp, i32* %a, i32* %p
  store i32 0, i32* %s
  ret void
}