[llvm] [LoopRotate] Simplify PHINode::removeIncomingValue usage (NFC) (PR #171958)

[via llvm-commits]

llvmbot wrote:


<!--LLVM PR SUMMARY COMMENT-->

@llvm/pr-subscribers-llvm-transforms

Author: None (int-zjt)

<details>
<summary>Changes</summary>



---
Full diff: https://github.com/llvm/llvm-project/pull/171958.diff


1 Files Affected:

- (modified) llvm/lib/Transforms/Utils/LoopRotationUtils.cpp (+1-1) 


``````````diff
diff --git a/llvm/lib/Transforms/Utils/LoopRotationUtils.cpp b/llvm/lib/Transforms/Utils/LoopRotationUtils.cpp
index 0c8d6fa47b9ae..3e11db7dd6e6b 100644
--- a/llvm/lib/Transforms/Utils/LoopRotationUtils.cpp
+++ b/llvm/lib/Transforms/Utils/LoopRotationUtils.cpp
@@ -100,7 +100,7 @@ static void RewriteUsesOfClonedInstructions(BasicBlock *OrigHeader,
   // Remove PHI node entries that are no longer live.
   BasicBlock::iterator I, E = OrigHeader->end();
   for (I = OrigHeader->begin(); PHINode *PN = dyn_cast<PHINode>(I); ++I)
-    PN->removeIncomingValue(PN->getBasicBlockIndex(OrigPreheader));
+    PN->removeIncomingValue(OrigPreheader);
 
   // Now fix up users of the instructions in OrigHeader, inserting PHI nodes
   // as necessary.

``````````

</details>


https://github.com/llvm/llvm-project/pull/171958