| ; RUN: opt < %s -aa-pipeline=basic-aa -passes=aa-eval -print-all-alias-modref-info 2>&1 | FileCheck %s |
| |
| declare ptr @captures(ptr %cap) nounwind readonly |
| |
| ; CHECK-LABEL: no |
| ; CHECK: NoAlias: i32* %a, i32* %b |
| define void @no(ptr noalias %a, ptr %b) nounwind { |
| entry: |
| store i32 1, ptr %a |
| %cap = call ptr @captures(ptr %a) nounwind readonly |
| %l = load i32, ptr %b |
| ret void |
| } |
| |
| ; CHECK-LABEL: yes |
| ; CHECK: MayAlias: i32* %c, i32* %d |
| define void @yes(ptr %c, ptr %d) nounwind { |
| entry: |
| store i32 1, ptr %c |
| %cap = call ptr @captures(ptr %c) nounwind readonly |
| %l = load i32, ptr %d |
| ret void |
| } |
| |
| ; Result should be the same for byval instead of noalias. |
| ; CHECK-LABEL: byval |
| ; CHECK: NoAlias: i32* %a, i32* %b |
| define void @byval(ptr byval(i32) %a, ptr %b) nounwind { |
| entry: |
| store i32 1, ptr %a |
| %cap = call ptr @captures(ptr %a) nounwind readonly |
| %l = load i32, ptr %b |
| ret void |
| } |