1; NOTE: Assertions have been autogenerated by utils/update_test_checks.py 2; RUN: opt < %s -S -passes=memcpyopt -verify-memoryssa | FileCheck %s 3target datalayout = "e-m:e-i64:64-f80:128-n8:16:32:64-S128" 4 5%T = type { i64, i64 } 6 7define void @test(ptr %src) { 8; CHECK-LABEL: @test( 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 13; 14 %tmp = alloca i8 15 %dst = alloca i8 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) 18 19 ret void 20} 21 22declare void @llvm.memcpy.p0.p0.i64(ptr, ptr, i64, i1) 23 24; Check that the noalias for "dst" was removed by checking that the metadata is gone 25; CHECK-NOT: "dst" 26!0 = !{!0} 27!1 = distinct !{!1, !0, !"dst"} 28!2 = distinct !{!1} 29