| ; RUN: opt -aa-pipeline=basic-aa -passes=aa-eval -print-all-alias-modref-info -disable-output %s 2>&1 | FileCheck %s |
| |
| target datalayout = "p:64:64:64:32" |
| |
| ; gep.1 and gep.2 must alias, because they are truncated to the index size |
| ; (32-bit), not the pointer size (64-bit). |
| define void @mustalias_due_to_index_size(ptr %ptr) { |
| ; CHECK-LABEL: Function: mustalias_due_to_index_size |
| ; CHECK-NEXT: MustAlias: i8* %gep.1, i8* %ptr |
| ; CHECK-NEXT: MustAlias: i8* %gep.2, i8* %ptr |
| ; CHECK-NEXT: MustAlias: i8* %gep.1, i8* %gep.2 |
| ; |
| load i8, ptr %ptr |
| %gep.1 = getelementptr i8, ptr %ptr, i64 4294967296 |
| store i8 0, ptr %gep.1 |
| %gep.2 = getelementptr i8, i8* %ptr, i64 0 |
| store i8 1, ptr %gep.2 |
| ret void |
| } |
