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 7 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" 8 target triple = "x86_64-apple-macosx10.8.0" 9 10 @p = external global i8* 11 12 define i32* @_Z4doiti(i32 %n, float* %tmp1, i32* %tmp3) nounwind { 13 entry: 14 %cmp1 = icmp slt i32 0, %n 15 br i1 %cmp1, label %for.body.lr.ph, label %for.end 16 17 for.body.lr.ph: ; preds = %entry 18 br label %for.body 19 20 for.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 31 for.cond.for.end_crit_edge: ; preds = %for.body 32 %split = phi i32* [ %tmp3, %for.body ] 33 br label %for.end 34 35 for.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
