[llvm] b56fb22 - [Utils] Use LLVMContext::MD_loop (NFC)

[Kazu Hirata via llvm-commits]

Author: Kazu Hirata
Date: 2023-05-17T21:28:38-07:00
New Revision: b56fb227877e9679ae24b264bb3bfe9811cf791b

URL: https://github.com/llvm/llvm-project/commit/b56fb227877e9679ae24b264bb3bfe9811cf791b
DIFF: https://github.com/llvm/llvm-project/commit/b56fb227877e9679ae24b264bb3bfe9811cf791b.diff

LOG: [Utils] Use LLVMContext::MD_loop (NFC)

Added: 
    

Modified: 
    llvm/lib/Transforms/Utils/LoopSimplify.cpp

Removed: 
    


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diff  --git a/llvm/lib/Transforms/Utils/LoopSimplify.cpp b/llvm/lib/Transforms/Utils/LoopSimplify.cpp
index 1b36a29bdf772..30a255023698c 100644
--- a/llvm/lib/Transforms/Utils/LoopSimplify.cpp
+++ b/llvm/lib/Transforms/Utils/LoopSimplify.cpp
@@ -448,16 +448,15 @@ static BasicBlock *insertUniqueBackedgeBlock(Loop *L, BasicBlock *Preheader,
   // backedge blocks to jump to the BEBlock instead of the header.
   // If one of the backedges has llvm.loop metadata attached, we remove
   // it from the backedge and add it to BEBlock.
-  unsigned LoopMDKind = BEBlock->getContext().getMDKindID("llvm.loop");
   MDNode *LoopMD = nullptr;
   for (BasicBlock *BB : BackedgeBlocks) {
     Instruction *TI = BB->getTerminator();
     if (!LoopMD)
-      LoopMD = TI->getMetadata(LoopMDKind);
-    TI->setMetadata(LoopMDKind, nullptr);
+      LoopMD = TI->getMetadata(LLVMContext::MD_loop);
+    TI->setMetadata(LLVMContext::MD_loop, nullptr);
     TI->replaceSuccessorWith(Header, BEBlock);
   }
-  BEBlock->getTerminator()->setMetadata(LoopMDKind, LoopMD);
+  BEBlock->getTerminator()->setMetadata(LLVMContext::MD_loop, LoopMD);
 
   //===--- Update all analyses which we must preserve now -----------------===//