[llvm] 1d398a9 - [GVN][NFC] Use early return in phiTranslateImpl() (#149268)

[via llvm-commits]

Author: Madhur Amilkanthwar
Date: 2025-07-17T13:22:06+05:30
New Revision: 1d398a96dc6b58d15d289c71e2d9f229a0ba719b

URL: https://github.com/llvm/llvm-project/commit/1d398a96dc6b58d15d289c71e2d9f229a0ba719b
DIFF: https://github.com/llvm/llvm-project/commit/1d398a96dc6b58d15d289c71e2d9f229a0ba719b.diff

LOG: [GVN][NFC] Use early return in phiTranslateImpl() (#149268)

Added: 
    

Modified: 
    llvm/lib/Transforms/Scalar/GVN.cpp

Removed: 
    


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diff  --git a/llvm/lib/Transforms/Scalar/GVN.cpp b/llvm/lib/Transforms/Scalar/GVN.cpp
index 8bff458f88bb9..affae41ed2c83 100644
--- a/llvm/lib/Transforms/Scalar/GVN.cpp
+++ b/llvm/lib/Transforms/Scalar/GVN.cpp
@@ -2367,12 +2367,15 @@ uint32_t GVNPass::ValueTable::phiTranslateImpl(const BasicBlock *Pred,
   // See if we can refine the value number by looking at the PN incoming value
   // for the given predecessor.
   if (PHINode *PN = NumberingPhi[Num]) {
-    if (PN->getParent() == PhiBlock)
-      for (unsigned I = 0; I != PN->getNumIncomingValues(); ++I)
-        if (PN->getIncomingBlock(I) == Pred)
-          if (uint32_t TransVal = lookup(PN->getIncomingValue(I), false))
-            return TransVal;
-    return Num;
+    if (PN->getParent() != PhiBlock)
+      return Num;
+
+    for (unsigned I = 0; I != PN->getNumIncomingValues(); ++I) {
+      if (PN->getIncomingBlock(I) != Pred)
+        continue;
+      if (uint32_t TransVal = lookup(PN->getIncomingValue(I), false))
+        return TransVal;
+    }
   }
 
   if (BasicBlock *BB = NumberingBB[Num]) {