1 ; RUN: opt < %s -aa-pipeline=basic-aa -passes=aa-eval -print-all-alias-modref-info 2>&1 | FileCheck %s
3 target datalayout = "e-p:64:64:64-i1:8:8-i8:8:8-i16:16:16-i32:32:32-i64:64:64-f32:32:32-f64:64:64-v64:64:64-v128:128:128-a0:0:64-s0:64:64-f80:128:128-n8:16:32:64"
5 ; BasicAA's guard against use-def cycles shouldn't prevent it from
6 ; analyzing use-def dags.
8 ; CHECK: MustAlias: i8* %base, i8* %phi
9 ; CHECK: MustAlias: i16* %base, i8* %base
10 ; CHECK: MustAlias: i16* %base, i8* %phi
11 define i8 @foo(ptr %base, i1 %x, i1 %w) {
14 br i1 %w, label %wa, label %wb
22 %first = phi ptr [ %base, %wa ], [ %base, %wb ]
23 br i1 %x, label %xa, label %xb
29 %phi = phi ptr [ %first, %xa ], [ %first, %xb ]
33 store i16 -1, ptr %base
35 %loaded = load i8, ptr %phi