1 ; RUN: opt -basicaa -aa-eval -print-all-alias-modref-info -disable-output < %s 2>&1 | FileCheck %s 2 3 ; Check that BasicAA falls back to MayAlias (instead of PartialAlias) when none 4 ; of its little tricks are applicable. 5 6 ; CHECK: MayAlias: float* %arrayidxA, float* %arrayidxB 7 8 define void @fallback_mayalias(float* noalias nocapture %C, i64 %i, i64 %j) local_unnamed_addr { 9 entry: 10 %shl = shl i64 %i, 3 11 %mul = shl nsw i64 %j, 4 12 %addA = add nsw i64 %mul, %shl 13 %orB = or i64 %shl, 1 14 %addB = add nsw i64 %mul, %orB 15 16 %arrayidxA = getelementptr inbounds float, float* %C, i64 %addA 17 store float undef, float* %arrayidxA, align 4 18 19 %arrayidxB = getelementptr inbounds float, float* %C, i64 %addB 20 store float undef, float* %arrayidxB, align 4 21 22 ret void 23 } 24
