1; RUN: opt -tbaa -basicaa -licm -S < %s | FileCheck %s
2; RUN: opt -aa-pipeline=type-based-aa,basic-aa -passes='require<aa>,require<targetir>,require<scalar-evolution>,loop(licm)' -S %s | FileCheck %s
3
4; LICM should keep the stores in their original order when it sinks/promotes them.
5; rdar://12045203
6
7target 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-S128"
8target triple = "x86_64-apple-macosx10.8.0"
9
10@p = external global i8*
11
12define i32* @_Z4doiti(i32 %n, float* %tmp1, i32* %tmp3) nounwind {
13entry:
14  %cmp1 = icmp slt i32 0, %n
15  br i1 %cmp1, label %for.body.lr.ph, label %for.end
16
17for.body.lr.ph:                                   ; preds = %entry
18  br label %for.body
19
20for.body:                                         ; preds = %for.body, %for.body.lr.ph
21  %i.02 = phi i32 [ 0, %for.body.lr.ph ], [ %inc, %for.body ]
22  store float 1.000000e+00, float* %tmp1, align 4, !tbaa !1
23  store i32 1, i32* %tmp3, align 4, !tbaa !2
24  %inc = add nsw i32 %i.02, 1
25  %cmp = icmp slt i32 %inc, %n
26  br i1 %cmp, label %for.body, label %for.cond.for.end_crit_edge
27
28; CHECK: for.cond.for.end_crit_edge:
29; CHECK: store float 1.000000e+00, float* %tmp1
30; CHECK: store i32 1, i32* %tmp3
31for.cond.for.end_crit_edge:                       ; preds = %for.body
32  %split = phi i32* [ %tmp3, %for.body ]
33  br label %for.end
34
35for.end:                                          ; preds = %for.cond.for.end_crit_edge, %entry
36  %r.0.lcssa = phi i32* [ %split, %for.cond.for.end_crit_edge ], [ undef, %entry ]
37  ret i32* %r.0.lcssa
38}
39
40!0 = !{!"minimal TBAA"}
41!1 = !{!3, !3, i64 0}
42!2 = !{!4, !4, i64 0}
43!3 = !{!"float", !0}
44!4 = !{!"int", !0}
45