| ; RUN: opt -tbaa -basicaa -licm -S < %s | FileCheck %s |
| |
| ; LICM should keep the stores in their original order when it sinks/promotes them. |
| ; rdar://12045203 |
| |
| 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" |
| target triple = "x86_64-apple-macosx10.8.0" |
| |
| @p = external global i8* |
| |
| define i32* @_Z4doiti(i32 %n, float* %tmp1, i32* %tmp3) nounwind { |
| entry: |
| %cmp1 = icmp slt i32 0, %n |
| br i1 %cmp1, label %for.body.lr.ph, label %for.end |
| |
| for.body.lr.ph: ; preds = %entry |
| br label %for.body |
| |
| for.body: ; preds = %for.body, %for.body.lr.ph |
| %i.02 = phi i32 [ 0, %for.body.lr.ph ], [ %inc, %for.body ] |
| store float 1.000000e+00, float* %tmp1, align 4, !tbaa !1 |
| store i32 1, i32* %tmp3, align 4, !tbaa !2 |
| %inc = add nsw i32 %i.02, 1 |
| %cmp = icmp slt i32 %inc, %n |
| br i1 %cmp, label %for.body, label %for.cond.for.end_crit_edge |
| |
| ; CHECK: for.cond.for.end_crit_edge: |
| ; CHECK: store float 1.000000e+00, float* %tmp1 |
| ; CHECK: store i32 1, i32* %tmp3 |
| for.cond.for.end_crit_edge: ; preds = %for.body |
| %split = phi i32* [ %tmp3, %for.body ] |
| br label %for.end |
| |
| for.end: ; preds = %for.cond.for.end_crit_edge, %entry |
| %r.0.lcssa = phi i32* [ %split, %for.cond.for.end_crit_edge ], [ undef, %entry ] |
| ret i32* %r.0.lcssa |
| } |
| |
| !0 = metadata !{metadata !"minimal TBAA"} |
| !1 = metadata !{metadata !"float", metadata !0} |
| !2 = metadata !{metadata !"int", metadata !0} |
