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
; RUN: opt -S -passes=safe-stack < %s | FileCheck %s

target triple = "x86_64-unknown-unknown"

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