From 82cbd68504e6206ec40a5b41ea14aa6a4988e6fe Mon Sep 17 00:00:00 2001
From: Mircea Trofin <mtrofin@google.com>
Date: Wed, 25 Jun 2025 16:20:10 -0700
Subject: [NFC][PGO] Use constants rather than free strings for metadata labels
 (#145721)

---
 llvm/lib/Bitcode/Reader/BitcodeReader.cpp | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

(limited to 'llvm/lib/Bitcode/Reader/BitcodeReader.cpp')

diff --git a/llvm/lib/Bitcode/Reader/BitcodeReader.cpp b/llvm/lib/Bitcode/Reader/BitcodeReader.cpp
index fde934fb..e91f791 100644
--- a/llvm/lib/Bitcode/Reader/BitcodeReader.cpp
+++ b/llvm/lib/Bitcode/Reader/BitcodeReader.cpp
@@ -7031,7 +7031,7 @@ Error BitcodeReader::materialize(GlobalValue *GV) {
         MDString *MDS = cast<MDString>(MD->getOperand(0));
         StringRef ProfName = MDS->getString();
         // Check consistency of !prof branch_weights metadata.
-        if (ProfName != "branch_weights")
+        if (ProfName != MDProfLabels::BranchWeights)
           continue;
         unsigned ExpectedNumOperands = 0;
         if (BranchInst *BI = dyn_cast<BranchInst>(&I))
-- 
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