From 26a881176eb6513a98889648e0d5b7fe647cd0e3 Mon Sep 17 00:00:00 2001
From: gdkchan <gab.dark.100@gmail.com>
Date: Sat, 9 Apr 2022 11:56:50 -0300
Subject: Fix tail merge from block with conditional jump to multiple returns
(#3267)
* Fix tail merge from block with conditional jump to multiple returns
* PPTC version bump
---
ARMeilleure/CodeGen/Optimizations/TailMerge.cs | 2 +-
1 file changed, 1 insertion(+), 1 deletion(-)
(limited to 'ARMeilleure/CodeGen/Optimizations/TailMerge.cs')
diff --git a/ARMeilleure/CodeGen/Optimizations/TailMerge.cs b/ARMeilleure/CodeGen/Optimizations/TailMerge.cs
index f85b9c69..e94df159 100644
--- a/ARMeilleure/CodeGen/Optimizations/TailMerge.cs
+++ b/ARMeilleure/CodeGen/Optimizations/TailMerge.cs
@@ -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++)
{
--
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