diff --git a/test/Transforms/LoopVersioningLICM/metadata.ll b/test/Transforms/LoopVersioningLICM/metadata.ll new file mode 100644 index 00000000000..5a592f6b7af --- /dev/null +++ b/test/Transforms/LoopVersioningLICM/metadata.ll @@ -0,0 +1,104 @@ +; RUN: opt < %s -O1 -S -loop-versioning-licm -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"}