; RUN: opt < %s -S -passes='function(loop-versioning-licm,loop-mssa(licm))' 2>&1 | FileCheck %s ; CHECK-LABEL: @without_metadata( define i32 @without_metadata(i32* nocapture %var1, i32* nocapture readnone %var2, i32* nocapture %var3, i32 %itr) #0 { entry: %cmp14 = icmp eq i32 %itr, 0 br i1 %cmp14, label %for.end13, label %for.cond1.preheader.preheader for.cond1.preheader.preheader: ; preds = %entry br label %for.cond1.preheader for.cond1.preheader: ; preds = %for.cond1.preheader.preheader, %for.inc11 %j.016 = phi i32 [ %j.1.lcssa, %for.inc11 ], [ 0, %for.cond1.preheader.preheader ] %i.015 = phi i32 [ %inc12, %for.inc11 ], [ 0, %for.cond1.preheader.preheader ] %cmp212 = icmp ult i32 %j.016, %itr br i1 %cmp212, label %for.body3.lr.ph, label %for.inc11 for.body3.lr.ph: ; preds = %for.cond1.preheader %add = add i32 %i.015, %itr %idxprom6 = zext i32 %i.015 to i64 %arrayidx7 = getelementptr inbounds i32, i32* %var3, i64 %idxprom6 br label %for.body3 for.body3: ; preds = %for.body3.lr.ph, %for.body3 %j.113 = phi i32 [ %j.016, %for.body3.lr.ph ], [ %inc, %for.body3 ] %idxprom = zext i32 %j.113 to i64 %arrayidx = getelementptr inbounds i32, i32* %var1, i64 %idxprom ; CHECK: store i32 %add, i32* %arrayidx, align 4, !alias.scope {{.*}}, !noalias {{.*}} store i32 %add, i32* %arrayidx, align 4 %0 = load i32, i32* %arrayidx7, align 4 %add8 = add nsw i32 %0, %add store i32 %add8, i32* %arrayidx7, align 4 %inc = add nuw i32 %j.113, 1 %cmp2 = icmp ult i32 %inc, %itr br i1 %cmp2, label %for.body3, label %for.inc11.loopexit for.inc11.loopexit: ; preds = %for.body3 br label %for.inc11 for.inc11: ; preds = %for.inc11.loopexit, %for.cond1.preheader %j.1.lcssa = phi i32 [ %j.016, %for.cond1.preheader ], [ %itr, %for.inc11.loopexit ] %inc12 = add nuw i32 %i.015, 1 %cmp = icmp ult i32 %inc12, %itr br i1 %cmp, label %for.cond1.preheader, label %for.end13.loopexit for.end13.loopexit: ; preds = %for.inc11 br label %for.end13 for.end13: ; preds = %for.end13.loopexit, %entry ret i32 0 } ; CHECK-LABEL: @with_metadata( define i32 @with_metadata(i32* nocapture %var1, i32* nocapture readnone %var2, i32* nocapture %var3, i32 %itr) #0 { entry: %cmp14 = icmp eq i32 %itr, 0 br i1 %cmp14, label %for.end13, label %for.cond1.preheader.preheader for.cond1.preheader.preheader: ; preds = %entry br label %for.cond1.preheader for.cond1.preheader: ; preds = %for.cond1.preheader.preheader, %for.inc11 %j.016 = phi i32 [ %j.1.lcssa, %for.inc11 ], [ 0, %for.cond1.preheader.preheader ] %i.015 = phi i32 [ %inc12, %for.inc11 ], [ 0, %for.cond1.preheader.preheader ] %cmp212 = icmp ult i32 %j.016, %itr br i1 %cmp212, label %for.body3.lr.ph, label %for.inc11 for.body3.lr.ph: ; preds = %for.cond1.preheader %add = add i32 %i.015, %itr %idxprom6 = zext i32 %i.015 to i64 %arrayidx7 = getelementptr inbounds i32, i32* %var3, i64 %idxprom6 br label %for.body3 for.body3: ; preds = %for.body3.lr.ph, %for.body3 %j.113 = phi i32 [ %j.016, %for.body3.lr.ph ], [ %inc, %for.body3 ] %idxprom = zext i32 %j.113 to i64 %arrayidx = getelementptr inbounds i32, i32* %var1, i64 %idxprom ; CHECK-NOT: store i32 %add, i32* %arrayidx, align 4, !alias.scope {{.*}}, !noalias {{.*}} store i32 %add, i32* %arrayidx, align 4 %0 = load i32, i32* %arrayidx7, align 4 %add8 = add nsw i32 %0, %add store i32 %add8, i32* %arrayidx7, align 4 %inc = add nuw i32 %j.113, 1 %cmp2 = icmp ult i32 %inc, %itr br i1 %cmp2, label %for.body3, label %for.inc11.loopexit, !llvm.loop !0 for.inc11.loopexit: ; preds = %for.body3 br label %for.inc11 for.inc11: ; preds = %for.inc11.loopexit, %for.cond1.preheader %j.1.lcssa = phi i32 [ %j.016, %for.cond1.preheader ], [ %itr, %for.inc11.loopexit ] %inc12 = add nuw i32 %i.015, 1 %cmp = icmp ult i32 %inc12, %itr br i1 %cmp, label %for.cond1.preheader, label %for.end13.loopexit for.end13.loopexit: ; preds = %for.inc11 br label %for.end13 for.end13: ; preds = %for.end13.loopexit, %entry ret i32 0 } !0 = distinct !{!0, !1} !1 = !{!"llvm.loop.licm_versioning.disable"}