; NOTE: Assertions have been autogenerated by utils/update_test_checks.py UTC_ARGS: --version 6
; RUN: opt -S -passes=expand-memcmp -mtriple=x86_64-unknown-unknown < %s | FileCheck %s
;
; Verify that ExpandMemCmp does not expand memcmp calls in functions with
; sanitizer attributes, so sanitizer interceptors can catch memory errors.

declare i32 @memcmp(ptr nocapture, ptr nocapture, i64)

define i32 @cmp_asan(ptr nocapture readonly %x, ptr nocapture readonly %y) sanitize_address {
; CHECK-LABEL: define i32 @cmp_asan(
; CHECK-SAME: ptr readonly captures(none) [[X:%.*]], ptr readonly captures(none) [[Y:%.*]]) #[[ATTR0:[0-9]+]] {
; CHECK-NEXT:    [[CALL:%.*]] = tail call i32 @memcmp(ptr [[X]], ptr [[Y]], i64 4)
; CHECK-NEXT:    ret i32 [[CALL]]
;
  %call = tail call i32 @memcmp(ptr %x, ptr %y, i64 4)
  ret i32 %call
}

define i32 @cmp_msan(ptr nocapture readonly %x, ptr nocapture readonly %y) sanitize_memory {
; CHECK-LABEL: define i32 @cmp_msan(
; CHECK-SAME: ptr readonly captures(none) [[X:%.*]], ptr readonly captures(none) [[Y:%.*]]) #[[ATTR1:[0-9]+]] {
; CHECK-NEXT:    [[CALL:%.*]] = tail call i32 @memcmp(ptr [[X]], ptr [[Y]], i64 4)
; CHECK-NEXT:    ret i32 [[CALL]]
;
  %call = tail call i32 @memcmp(ptr %x, ptr %y, i64 4)
  ret i32 %call
}

define i32 @cmp_tsan(ptr nocapture readonly %x, ptr nocapture readonly %y) sanitize_thread {
; CHECK-LABEL: define i32 @cmp_tsan(
; CHECK-SAME: ptr readonly captures(none) [[X:%.*]], ptr readonly captures(none) [[Y:%.*]]) #[[ATTR2:[0-9]+]] {
; CHECK-NEXT:    [[CALL:%.*]] = tail call i32 @memcmp(ptr [[X]], ptr [[Y]], i64 4)
; CHECK-NEXT:    ret i32 [[CALL]]
;
  %call = tail call i32 @memcmp(ptr %x, ptr %y, i64 4)
  ret i32 %call
}

define i32 @cmp_hwasan(ptr nocapture readonly %x, ptr nocapture readonly %y) sanitize_hwaddress {
; CHECK-LABEL: define i32 @cmp_hwasan(
; CHECK-SAME: ptr readonly captures(none) [[X:%.*]], ptr readonly captures(none) [[Y:%.*]]) #[[ATTR3:[0-9]+]] {
; CHECK-NEXT:    [[CALL:%.*]] = tail call i32 @memcmp(ptr [[X]], ptr [[Y]], i64 4)
; CHECK-NEXT:    ret i32 [[CALL]]
;
  %call = tail call i32 @memcmp(ptr %x, ptr %y, i64 4)
  ret i32 %call
}

define i32 @cmp_no_sanitizer(ptr nocapture readonly %x, ptr nocapture readonly %y) {
; CHECK-LABEL: define i32 @cmp_no_sanitizer(
; CHECK-SAME: ptr readonly captures(none) [[X:%.*]], ptr readonly captures(none) [[Y:%.*]]) {
; CHECK-NEXT:    [[TMP1:%.*]] = load i32, ptr [[X]], align 1
; CHECK-NEXT:    [[TMP2:%.*]] = load i32, ptr [[Y]], align 1
; CHECK-NEXT:    [[TMP3:%.*]] = call i32 @llvm.bswap.i32(i32 [[TMP1]])
; CHECK-NEXT:    [[TMP4:%.*]] = call i32 @llvm.bswap.i32(i32 [[TMP2]])
; CHECK-NEXT:    [[TMP5:%.*]] = call i32 @llvm.ucmp.i32.i32(i32 [[TMP3]], i32 [[TMP4]])
; CHECK-NEXT:    ret i32 [[TMP5]]
;
  %call = tail call i32 @memcmp(ptr %x, ptr %y, i64 4)
  ret i32 %call
}