| ; RUN: opt -S -aa-pipeline=basic-aa -passes=aa-eval -print-all-alias-modref-info -disable-output < %s 2>&1 | FileCheck %s |
| |
| ; CHECK-LABEL: Function: test |
| ;; Before limit: |
| ; CHECK-DAG: MustAlias: i8* %gep.add9, i8* %gep.inc9 |
| ; CHECK-DAG: NoAlias: i8* %gep.inc7, i8* %gep.inc9 |
| ; CHECK-DAG: NoAlias: i8* %gep.inc8, i8* %gep.inc9 |
| ;; At limit: |
| ; CHECK-DAG: MustAlias: i8* %gep.add10, i8* %gep.inc10 |
| ; CHECK-DAG: NoAlias: i8* %gep.inc10, i8* %gep.inc8 |
| ; CHECK-DAG: NoAlias: i8* %gep.inc10, i8* %gep.inc9 |
| ;; After limit: |
| ; CHECK-DAG: MayAlias: i8* %gep.add11, i8* %gep.inc11 |
| ; CHECK-DAG: MayAlias: i8* %gep.inc11, i8* %gep.inc9 |
| ; CHECK-DAG: NoAlias: i8* %gep.inc10, i8* %gep.inc11 |
| |
| define void @test(ptr %base) { |
| %gep.add9 = getelementptr i8, ptr %base, i64 9 |
| %gep.add10 = getelementptr i8, ptr %base, i64 10 |
| %gep.add11 = getelementptr i8, ptr %base, i64 11 |
| |
| %gep.inc1 = getelementptr i8, ptr %base, i64 1 |
| %gep.inc2 = getelementptr i8, ptr %gep.inc1, i64 1 |
| %gep.inc3 = getelementptr i8, ptr %gep.inc2, i64 1 |
| %gep.inc4 = getelementptr i8, ptr %gep.inc3, i64 1 |
| %gep.inc5 = getelementptr i8, ptr %gep.inc4, i64 1 |
| %gep.inc6 = getelementptr i8, ptr %gep.inc5, i64 1 |
| %gep.inc7 = getelementptr i8, ptr %gep.inc6, i64 1 |
| %gep.inc8 = getelementptr i8, ptr %gep.inc7, i64 1 |
| %gep.inc9 = getelementptr i8, ptr %gep.inc8, i64 1 |
| %gep.inc10 = getelementptr i8, ptr %gep.inc9, i64 1 |
| %gep.inc11 = getelementptr i8, ptr %gep.inc10, i64 1 |
| |
| load i8, ptr %gep.add9 |
| load i8, ptr %gep.add10 |
| load i8, ptr %gep.add11 |
| load i8, ptr %gep.inc3 |
| load i8, ptr %gep.inc4 |
| load i8, ptr %gep.inc5 |
| load i8, ptr %gep.inc6 |
| load i8, ptr %gep.inc7 |
| load i8, ptr %gep.inc8 |
| load i8, ptr %gep.inc9 |
| load i8, ptr %gep.inc10 |
| load i8, ptr %gep.inc11 |
| |
| ret void |
| } |
