| Igor Laevsky | 37cba43 | 2017-03-01 13:19:51 +0000 | [diff] [blame^] | 1 | ; RUN: opt < %s -basicaa -aa-eval -print-all-alias-modref-info -disable-output 2>&1 | FileCheck %s |
| 2 | |
| 3 | declare void @readonly_attr(i8* readonly nocapture) |
| 4 | declare void @writeonly_attr(i8* writeonly nocapture) |
| 5 | declare void @readnone_attr(i8* readnone nocapture) |
| 6 | |
| 7 | declare void @readonly_func(i8* nocapture) readonly |
| 8 | declare void @writeonly_func(i8* nocapture) writeonly |
| 9 | declare void @readnone_func(i8* nocapture) readnone |
| 10 | |
| 11 | declare void @read_write(i8* writeonly nocapture, i8* readonly nocapture, i8* readnone nocapture) |
| 12 | |
| 13 | declare void @func() |
| 14 | |
| 15 | define void @test(i8* noalias %p) { |
| 16 | entry: |
| 17 | call void @readonly_attr(i8* %p) |
| 18 | call void @readonly_func(i8* %p) |
| 19 | |
| 20 | call void @writeonly_attr(i8* %p) |
| 21 | call void @writeonly_func(i8* %p) |
| 22 | |
| 23 | call void @readnone_attr(i8* %p) |
| 24 | call void @readnone_func(i8* %p) |
| 25 | |
| 26 | call void @read_write(i8* %p, i8* %p, i8* %p) |
| 27 | |
| 28 | call void @func() ["deopt" (i8* %p)] |
| 29 | call void @writeonly_attr(i8* %p) ["deopt" (i8* %p)] |
| 30 | |
| 31 | ret void |
| 32 | } |
| 33 | |
| 34 | ; CHECK: Just Ref: Ptr: i8* %p <-> call void @readonly_attr(i8* %p) |
| 35 | ; CHECK: Just Ref: Ptr: i8* %p <-> call void @readonly_func(i8* %p) |
| 36 | ; CHECK: Just Mod: Ptr: i8* %p <-> call void @writeonly_attr(i8* %p) |
| 37 | ; CHECK: Just Mod: Ptr: i8* %p <-> call void @writeonly_func(i8* %p) |
| 38 | ; CHECK: NoModRef: Ptr: i8* %p <-> call void @readnone_attr(i8* %p) |
| 39 | ; CHECK: NoModRef: Ptr: i8* %p <-> call void @readnone_func(i8* %p) |
| 40 | ; CHECK: Both ModRef: Ptr: i8* %p <-> call void @read_write(i8* %p, i8* %p, i8* %p) |
| 41 | ; CHECK: Just Ref: Ptr: i8* %p <-> call void @func() [ "deopt"(i8* %p) ] |
| 42 | ; CHECK: Both ModRef: Ptr: i8* %p <-> call void @writeonly_attr(i8* %p) [ "deopt"(i8* %p) ] |