1 ; NOTE: Assertions have been autogenerated by utils/update_test_checks.py
2 ; RUN: opt < %s -S -passes=memcpyopt -verify-memoryssa | FileCheck %s
3 target datalayout = "e-m:e-i64:64-f80:128-n8:16:32:64-S128"
7 define void @test(ptr %src) {
9 ; CHECK-NEXT: [[TMP:%.*]] = alloca i8, align 1
10 ; CHECK-NEXT: [[DST:%.*]] = alloca i8, align 1
11 ; CHECK-NEXT: call void @llvm.memcpy.p0.p0.i64(ptr align 8 [[DST]], ptr align 8 [[SRC:%.*]], i64 1, i1 false)
12 ; CHECK-NEXT: ret void
16 call void @llvm.memcpy.p0.p0.i64(ptr align 8 %tmp, ptr align 8 %src, i64 1, i1 false), !noalias !2
17 call void @llvm.memcpy.p0.p0.i64(ptr align 8 %dst, ptr align 8 %tmp, i64 1, i1 false)
22 declare void @llvm.memcpy.p0.p0.i64(ptr, ptr, i64, i1)
24 ; Check that the noalias for "dst" was removed by checking that the metadata is gone
27 !1 = distinct !{!1, !0, !"dst"}