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 6 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" 7 target triple = "x86_64-apple-macosx10.8.0" 8 9 @p = external global i8* 10 11 define i32* @_Z4doiti(i32 %n, float* %tmp1, i32* %tmp3) nounwind { 12 entry: 13 %cmp1 = icmp slt i32 0, %n 14 br i1 %cmp1, label %for.body.lr.ph, label %for.end 15 16 for.body.lr.ph: ; preds = %entry 17 br label %for.body 18 19 for.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 30 for.cond.for.end_crit_edge: ; preds = %for.body 31 %split = phi i32* [ %tmp3, %for.body ] 32 br label %for.end 33 34 for.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 = metadata !{metadata !"minimal TBAA"} 40 !1 = metadata !{metadata !"float", metadata !0} 41 !2 = metadata !{metadata !"int", metadata !0} 42
