1; RUN: opt -aa-pipeline=basic-aa -passes=aa-eval -print-all-alias-modref-info -disable-output %s 2>&1 | FileCheck %s 2 3target datalayout = "p:64:64:64:32" 4 5; gep.1 and gep.2 must alias, because they are truncated to the index size 6; (32-bit), not the pointer size (64-bit). 7define void @mustalias_due_to_index_size(ptr %ptr) { 8; CHECK-LABEL: Function: mustalias_due_to_index_size 9; CHECK-NEXT: MustAlias: i8* %gep.1, i8* %ptr 10; CHECK-NEXT: MustAlias: i8* %gep.2, i8* %ptr 11; CHECK-NEXT: MustAlias: i8* %gep.1, i8* %gep.2 12; 13 load i8, ptr %ptr 14 %gep.1 = getelementptr i8, ptr %ptr, i64 4294967296 15 store i8 0, ptr %gep.1 16 %gep.2 = getelementptr i8, ptr %ptr, i64 0 17 store i8 1, ptr %gep.2 18 ret void 19} 20