| ; RUN: opt < %s -basic-aa -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.p0i8.p0i8.i64(i8* nocapture, i8* nocapture, i64, i1) #0 |
| declare void @llvm.assume(i1) #0 |
| |
| define void @test1(i8* %P, i8* %Q) nounwind ssp { |
| tail call void @llvm.assume(i1 true) |
| tail call void @llvm.memcpy.p0i8.p0i8.i64(i8* %P, i8* %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.assume(i1 true) |
| ; CHECK: NoModRef: Ptr: i8* %Q <-> tail call void @llvm.assume(i1 true) |
| ; CHECK: Both ModRef: Ptr: i8* %P <-> tail call void @llvm.memcpy.p0i8.p0i8.i64(i8* %P, i8* %Q, i64 12, i1 false) |
| ; CHECK: Both ModRef: Ptr: i8* %Q <-> tail call void @llvm.memcpy.p0i8.p0i8.i64(i8* %P, i8* %Q, i64 12, i1 false) |
| ; CHECK: NoModRef: tail call void @llvm.assume(i1 true) <-> tail call void @llvm.memcpy.p0i8.p0i8.i64(i8* %P, i8* %Q, i64 12, i1 false) |
| ; CHECK: NoModRef: tail call void @llvm.memcpy.p0i8.p0i8.i64(i8* %P, i8* %Q, i64 12, i1 false) <-> tail call void @llvm.assume(i1 true) |
| } |
| |
| attributes #0 = { nounwind } |
