diff options
Diffstat (limited to 'llvm/test/Transforms/Util/combine-alias-scope-metadata.ll')
| -rw-r--r-- | llvm/test/Transforms/Util/combine-alias-scope-metadata.ll | 24 |
1 files changed, 24 insertions, 0 deletions
diff --git a/llvm/test/Transforms/Util/combine-alias-scope-metadata.ll b/llvm/test/Transforms/Util/combine-alias-scope-metadata.ll new file mode 100644 index 00000000000..f58e4f783b0 --- /dev/null +++ b/llvm/test/Transforms/Util/combine-alias-scope-metadata.ll @@ -0,0 +1,24 @@ +; RUN: opt < %s -S -basicaa -memcpyopt | FileCheck %s +target datalayout = "e-m:e-i64:64-f80:128-n8:16:32:64-S128" + +define void @test(i8* noalias dereferenceable(1) %in, i8* noalias dereferenceable(1) %out) { + %tmp = alloca i8 + %tmp2 = alloca i8 +; CHECK: call void @llvm.memcpy.p0i8.p0i8.i64(i8* align 8 %out, i8* align 8 %in, i64 1, i1 false) + call void @llvm.memcpy.p0i8.p0i8.i64(i8* align 8 %tmp, i8* align 8 %in, i64 1, i1 false), !alias.scope !4 + call void @llvm.memcpy.p0i8.p0i8.i64(i8* align 8 %tmp2, i8* align 8 %tmp, i64 1, i1 false), !alias.scope !5 + + call void @llvm.memcpy.p0i8.p0i8.i64(i8* align 8 %out, i8* align 8 %tmp2, i64 1, i1 false), !noalias !6 + + ret void +} + +declare void @llvm.memcpy.p0i8.p0i8.i64(i8*, i8*, i64, i1) + +!0 = !{!0} +!1 = distinct !{!1, !0, !"in"} +!2 = distinct !{!2, !0, !"tmp"} +!3 = distinct !{!3, !0, !"tmp2"} +!4 = distinct !{!1, !2} +!5 = distinct !{!2, !3} +!6 = distinct !{!1, !2} |
