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1; RUN: opt < %s -S -passes='function(loop-versioning-licm,loop-mssa(licm))' 2>&1 | FileCheck %s2 3; CHECK-LABEL: @without_metadata(4define i32 @without_metadata(ptr nocapture %var1, ptr nocapture readnone %var2, ptr nocapture %var3, i32 %itr) #0 {5entry:6 %cmp14 = icmp eq i32 %itr, 07 br i1 %cmp14, label %for.end13, label %for.cond1.preheader.preheader8 9for.cond1.preheader.preheader: ; preds = %entry10 br label %for.cond1.preheader11 12for.cond1.preheader: ; preds = %for.cond1.preheader.preheader, %for.inc1113 %j.016 = phi i32 [ %j.1.lcssa, %for.inc11 ], [ 0, %for.cond1.preheader.preheader ]14 %i.015 = phi i32 [ %inc12, %for.inc11 ], [ 0, %for.cond1.preheader.preheader ]15 %cmp212 = icmp ult i32 %j.016, %itr16 br i1 %cmp212, label %for.body3.lr.ph, label %for.inc1117 18for.body3.lr.ph: ; preds = %for.cond1.preheader19 %add = add i32 %i.015, %itr20 %idxprom6 = zext i32 %i.015 to i6421 %arrayidx7 = getelementptr inbounds i32, ptr %var3, i64 %idxprom622 br label %for.body323 24for.body3: ; preds = %for.body3.lr.ph, %for.body325 %j.113 = phi i32 [ %j.016, %for.body3.lr.ph ], [ %inc, %for.body3 ]26 %idxprom = zext i32 %j.113 to i6427 %arrayidx = getelementptr inbounds i32, ptr %var1, i64 %idxprom28; CHECK: store i32 %add, ptr %arrayidx, align 4, !alias.scope {{.*}}, !noalias {{.*}}29 store i32 %add, ptr %arrayidx, align 430 %0 = load i32, ptr %arrayidx7, align 431 %add8 = add nsw i32 %0, %add32 store i32 %add8, ptr %arrayidx7, align 433 %inc = add nuw i32 %j.113, 134 %cmp2 = icmp ult i32 %inc, %itr35 br i1 %cmp2, label %for.body3, label %for.inc11.loopexit36 37for.inc11.loopexit: ; preds = %for.body338 br label %for.inc1139 40for.inc11: ; preds = %for.inc11.loopexit, %for.cond1.preheader41 %j.1.lcssa = phi i32 [ %j.016, %for.cond1.preheader ], [ %itr, %for.inc11.loopexit ]42 %inc12 = add nuw i32 %i.015, 143 %cmp = icmp ult i32 %inc12, %itr44 br i1 %cmp, label %for.cond1.preheader, label %for.end13.loopexit45 46for.end13.loopexit: ; preds = %for.inc1147 br label %for.end1348 49for.end13: ; preds = %for.end13.loopexit, %entry50 ret i32 051}52 53; CHECK-LABEL: @with_metadata(54define i32 @with_metadata(ptr nocapture %var1, ptr nocapture readnone %var2, ptr nocapture %var3, i32 %itr) #0 {55entry:56 %cmp14 = icmp eq i32 %itr, 057 br i1 %cmp14, label %for.end13, label %for.cond1.preheader.preheader58 59for.cond1.preheader.preheader: ; preds = %entry60 br label %for.cond1.preheader61 62for.cond1.preheader: ; preds = %for.cond1.preheader.preheader, %for.inc1163 %j.016 = phi i32 [ %j.1.lcssa, %for.inc11 ], [ 0, %for.cond1.preheader.preheader ]64 %i.015 = phi i32 [ %inc12, %for.inc11 ], [ 0, %for.cond1.preheader.preheader ]65 %cmp212 = icmp ult i32 %j.016, %itr66 br i1 %cmp212, label %for.body3.lr.ph, label %for.inc1167 68for.body3.lr.ph: ; preds = %for.cond1.preheader69 %add = add i32 %i.015, %itr70 %idxprom6 = zext i32 %i.015 to i6471 %arrayidx7 = getelementptr inbounds i32, ptr %var3, i64 %idxprom672 br label %for.body373 74for.body3: ; preds = %for.body3.lr.ph, %for.body375 %j.113 = phi i32 [ %j.016, %for.body3.lr.ph ], [ %inc, %for.body3 ]76 %idxprom = zext i32 %j.113 to i6477 %arrayidx = getelementptr inbounds i32, ptr %var1, i64 %idxprom78; CHECK-NOT: store i32 %add, ptr %arrayidx, align 4, !alias.scope {{.*}}, !noalias {{.*}}79 store i32 %add, ptr %arrayidx, align 480 %0 = load i32, ptr %arrayidx7, align 481 %add8 = add nsw i32 %0, %add82 store i32 %add8, ptr %arrayidx7, align 483 %inc = add nuw i32 %j.113, 184 %cmp2 = icmp ult i32 %inc, %itr85 br i1 %cmp2, label %for.body3, label %for.inc11.loopexit, !llvm.loop !086 87for.inc11.loopexit: ; preds = %for.body388 br label %for.inc1189 90for.inc11: ; preds = %for.inc11.loopexit, %for.cond1.preheader91 %j.1.lcssa = phi i32 [ %j.016, %for.cond1.preheader ], [ %itr, %for.inc11.loopexit ]92 %inc12 = add nuw i32 %i.015, 193 %cmp = icmp ult i32 %inc12, %itr94 br i1 %cmp, label %for.cond1.preheader, label %for.end13.loopexit95 96for.end13.loopexit: ; preds = %for.inc1197 br label %for.end1398 99for.end13: ; preds = %for.end13.loopexit, %entry100 ret i32 0101}102 103!0 = distinct !{!0, !1}104!1 = !{!"llvm.loop.licm_versioning.disable"}105