[Metadata] Use const APInt &. NFC

[topperc]

getValue returns a const APInt &. So using a const APInt & will avoid a copy.

[llvmbot]

@llvm/pr-subscribers-llvm-ir

Author: Craig Topper (topperc)

Changes

getValue returns a const APInt &. So using a const APInt & will avoid a copy.

---

Full diff: https://github.com/llvm/llvm-project/pull/101865.diff

1 Files Affected:

• (modified) llvm/lib/IR/Metadata.cpp (+2-2)

diff --git a/llvm/lib/IR/Metadata.cpp b/llvm/lib/IR/Metadata.cpp
index ae5f5de142328..51442b94a6246 100644
--- a/llvm/lib/IR/Metadata.cpp
+++ b/llvm/lib/IR/Metadata.cpp
@@ -1250,8 +1250,8 @@ static bool tryMergeRange(SmallVectorImpl<ConstantInt *> &EndPoints,
                           ConstantInt *Low, ConstantInt *High) {
   ConstantRange NewRange(Low->getValue(), High->getValue());
   unsigned Size = EndPoints.size();
-  APInt LB = EndPoints[Size - 2]->getValue();
-  APInt LE = EndPoints[Size - 1]->getValue();
+  const APInt &LB = EndPoints[Size - 2]->getValue();
+  const APInt &LE = EndPoints[Size - 1]->getValue();
   ConstantRange LastRange(LB, LE);
   if (canBeMerged(NewRange, LastRange)) {
     ConstantRange Union = LastRange.unionWith(NewRange);

[nikic]

LGTM