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