| 12345678910111213141516171819202122232425262728293031 |
- ; RUN: opt < %s -basicaa -aa-eval -print-all-alias-modref-info 2>&1 | FileCheck %s
- ; PR4267
- target datalayout = "e-m:e-i64:64-f80:128-n8:16:32:64-S128"
- ; CHECK: PartialAlias: double* %p.0.i.0, double* %p3
- ; %p3 is equal to %p.0.i.0 on the second iteration of the loop,
- ; so MayAlias is needed. In practice, basicaa returns PartialAlias
- ; for GEPs to ignore TBAA.
- define void @foo([3 x [3 x double]]* noalias %p) {
- entry:
- %p3 = getelementptr [3 x [3 x double]], [3 x [3 x double]]* %p, i64 0, i64 0, i64 3
- br label %loop
- loop:
- %i = phi i64 [ 0, %entry ], [ %i.next, %loop ]
- %p.0.i.0 = getelementptr [3 x [3 x double]], [3 x [3 x double]]* %p, i64 0, i64 %i, i64 0
- store volatile double 0.0, double* %p3
- store volatile double 0.1, double* %p.0.i.0
- %i.next = add i64 %i, 1
- %cmp = icmp slt i64 %i.next, 3
- br i1 %cmp, label %loop, label %exit
- exit:
- ret void
- }
|
