| ; RUN: opt < %s -aa-pipeline=basic-aa -passes=aa-eval -print-all-alias-modref-info -disable-output 2>&1 | FileCheck %s |
| target datalayout = "e-p:32:32:32-i1:8:32-i8:8:32-i16:16:32-i32:32:32-i64:32:32-f32:32:32-f64:32:32-v64:32:64-v128:32:128-a0:0:32-n32" |
| |
| declare void @llvm.memcpy.p0.p0.i64(ptr nocapture, ptr nocapture, i64, i1) #0 |
| declare void @llvm.experimental.noalias.scope.decl(metadata) |
| |
| define void @test1(ptr %P, ptr %Q) nounwind ssp { |
| load i8, ptr %P |
| load i8, ptr %Q |
| tail call void @llvm.experimental.noalias.scope.decl(metadata !0) |
| tail call void @llvm.memcpy.p0.p0.i64(ptr %P, ptr %Q, i64 12, i1 false) |
| ret void |
| |
| ; CHECK-LABEL: Function: test1: |
| |
| ; CHECK: MayAlias: i8* %P, i8* %Q |
| ; CHECK: NoModRef: Ptr: i8* %P <-> tail call void @llvm.experimental.noalias.scope.decl(metadata !0) |
| ; CHECK: NoModRef: Ptr: i8* %Q <-> tail call void @llvm.experimental.noalias.scope.decl(metadata !0) |
| ; CHECK: Both ModRef: Ptr: i8* %P <-> tail call void @llvm.memcpy.p0.p0.i64(ptr %P, ptr %Q, i64 12, i1 false) |
| ; CHECK: Both ModRef: Ptr: i8* %Q <-> tail call void @llvm.memcpy.p0.p0.i64(ptr %P, ptr %Q, i64 12, i1 false) |
| ; CHECK: NoModRef: tail call void @llvm.experimental.noalias.scope.decl(metadata !0) <-> tail call void @llvm.memcpy.p0.p0.i64(ptr %P, ptr %Q, i64 12, i1 false) |
| ; CHECK: NoModRef: tail call void @llvm.memcpy.p0.p0.i64(ptr %P, ptr %Q, i64 12, i1 false) <-> tail call void @llvm.experimental.noalias.scope.decl(metadata !0) |
| } |
| |
| |
| attributes #0 = { nounwind } |
| |
| !0 = !{ !1 } |
| !1 = distinct !{ !1, !2, !"test1: var" } |
| !2 = distinct !{ !2, !"test1" } |
