1 ; RUN: opt < %s -S -basicaa -memcpyopt | FileCheck %s 2 target datalayout = "e-m:e-i64:64-f80:128-n8:16:32:64-S128" 3 4 %T = type { i64, i64 } 5 6 define void @test(i8* %src) { 7 %tmp = alloca i8 8 %dst = alloca i8 9 ; CHECK: call void @llvm.memcpy.p0i8.p0i8.i64(i8* %dst, i8* %src, i64 1, i32 8, i1 false) 10 call void @llvm.memcpy.p0i8.p0i8.i64(i8* %tmp, i8* %src, i64 1, i32 8, i1 false), !noalias !2 11 call void @llvm.memcpy.p0i8.p0i8.i64(i8* %dst, i8* %tmp, i64 1, i32 8, i1 false) 12 13 ret void 14 } 15 16 declare void @llvm.memcpy.p0i8.p0i8.i64(i8*, i8*, i64, i32, i1) 17 18 ; Check that the noalias for "dst" was removed by checking that the metadata is gone 19 ; CHECK-NOT: "dst" 20 !0 = !{!0} 21 !1 = distinct !{!1, !0, !"dst"} 22 !2 = distinct !{!1} 23
