| ; RUN: opt < %s -basicaa -aa-eval -print-all-alias-modref-info -disable-output 2>&1 | FileCheck %s |
| |
| declare void @readonly_attr(i8* readonly nocapture) |
| declare void @writeonly_attr(i8* writeonly nocapture) |
| declare void @readnone_attr(i8* readnone nocapture) |
| |
| declare void @readonly_func(i8* nocapture) readonly |
| declare void @writeonly_func(i8* nocapture) writeonly |
| declare void @readnone_func(i8* nocapture) readnone |
| |
| declare void @read_write(i8* writeonly nocapture, i8* readonly nocapture, i8* readnone nocapture) |
| |
| declare void @func() |
| |
| define void @test(i8* noalias %p) { |
| entry: |
| call void @readonly_attr(i8* %p) |
| call void @readonly_func(i8* %p) |
| |
| call void @writeonly_attr(i8* %p) |
| call void @writeonly_func(i8* %p) |
| |
| call void @readnone_attr(i8* %p) |
| call void @readnone_func(i8* %p) |
| |
| call void @read_write(i8* %p, i8* %p, i8* %p) |
| |
| call void @func() ["deopt" (i8* %p)] |
| call void @writeonly_attr(i8* %p) ["deopt" (i8* %p)] |
| |
| ret void |
| } |
| |
| ; CHECK: Just Ref (MustAlias): Ptr: i8* %p <-> call void @readonly_attr(i8* %p) |
| ; CHECK: Just Ref: Ptr: i8* %p <-> call void @readonly_func(i8* %p) |
| ; CHECK: Just Mod (MustAlias): Ptr: i8* %p <-> call void @writeonly_attr(i8* %p) |
| ; CHECK: Just Mod: Ptr: i8* %p <-> call void @writeonly_func(i8* %p) |
| ; CHECK: NoModRef: Ptr: i8* %p <-> call void @readnone_attr(i8* %p) |
| ; CHECK: NoModRef: Ptr: i8* %p <-> call void @readnone_func(i8* %p) |
| ; CHECK: Both ModRef: Ptr: i8* %p <-> call void @read_write(i8* %p, i8* %p, i8* %p) |
| ; CHECK: Just Ref (MustAlias): Ptr: i8* %p <-> call void @func() [ "deopt"(i8* %p) ] |
| ; CHECK: Both ModRef: Ptr: i8* %p <-> call void @writeonly_attr(i8* %p) [ "deopt"(i8* %p) ] |
