1 ; RUN: opt < %s -basicaa -aa-eval -print-all-alias-modref-info |& FileCheck %s 2 ; PR4267 3 4 ; CHECK: MayAlias: double* %p.0.i.0, double* %p3 5 6 ; %p3 is equal to %p.0.i.0 on the second iteration of the loop, 7 ; so MayAlias is needed. 8 9 define void @foo([3 x [3 x double]]* noalias %p) { 10 entry: 11 %p3 = getelementptr [3 x [3 x double]]* %p, i64 0, i64 0, i64 3 12 br label %loop 13 14 loop: 15 %i = phi i64 [ 0, %entry ], [ %i.next, %loop ] 16 17 %p.0.i.0 = getelementptr [3 x [3 x double]]* %p, i64 0, i64 %i, i64 0 18 19 volatile store double 0.0, double* %p3 20 volatile store double 0.1, double* %p.0.i.0 21 22 %i.next = add i64 %i, 1 23 %cmp = icmp slt i64 %i.next, 3 24 br i1 %cmp, label %loop, label %exit 25 26 exit: 27 ret void 28 } 29
