[llvm] b2f4112 - [InstCombine] Improve check for catchswitch BBs (NFC)

[Heejin Ahn via llvm-commits]

Author: Heejin Ahn
Date: 2022-06-15T01:06:13-07:00
New Revision: b2f4112f256756074b5a5f0a1f9be1222f4dc8de

URL: https://github.com/llvm/llvm-project/commit/b2f4112f256756074b5a5f0a1f9be1222f4dc8de
DIFF: https://github.com/llvm/llvm-project/commit/b2f4112f256756074b5a5f0a1f9be1222f4dc8de.diff

LOG: [InstCombine] Improve check for catchswitch BBs (NFC)

Reviewed By: nikic

Differential Revision: https://reviews.llvm.org/D127810

Added: 
    

Modified: 
    llvm/lib/Transforms/InstCombine/InstCombinePHI.cpp

Removed: 
    


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diff  --git a/llvm/lib/Transforms/InstCombine/InstCombinePHI.cpp b/llvm/lib/Transforms/InstCombine/InstCombinePHI.cpp
index 83f7846bbfce5..90a796a0939ef 100644
--- a/llvm/lib/Transforms/InstCombine/InstCombinePHI.cpp
+++ b/llvm/lib/Transforms/InstCombine/InstCombinePHI.cpp
@@ -1125,7 +1125,7 @@ Instruction *InstCombinerImpl::SliceUpIllegalIntegerPHI(PHINode &FirstPhi) {
     // extract the value within that BB because we cannot insert any non-PHI
     // instructions in the BB.
     for (auto *Pred : PN->blocks())
-      if (isa<CatchSwitchInst>(Pred->getFirstNonPHI()))
+      if (Pred->getFirstInsertionPt() == Pred->end())
         return nullptr;
 
     for (User *U : PN->users()) {