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