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Fix tail merge from block with conditional jump to multiple returns (#3267)

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* Fix tail merge from block with conditional jump to multiple returns

* PPTC version bump
This commit is contained in:
gdkchan 2022-04-09 11:56:50 -03:00 • committed by GitHub
parent e44a43c7e1
commit 26a881176e
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3 changed files with 3 additions and 3 deletions
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ARMeilleure/CodeGen/Optimizations/TailMerge.cs
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@ -59,7 +59,7 @@ namespace ARMeilleure.CodeGen.Optimizations
BasicBlock fromPred = from.Predecessors.Count == 1 ? from.Predecessors[0] : null;
// If the block is empty, we can try to append to the predecessor and avoid unnecessary jumps.
if (from.Operations.Count == 0 && fromPred != null)
if (from.Operations.Count == 0 && fromPred != null && fromPred.SuccessorsCount == 1)
{
for (int i = 0; i < fromPred.SuccessorsCount; i++)
{