Apply most suggestions of clang-tidy's performance-unnecessary-value-param

Avoids unnecessary copies. All changes audited & pass tests with asan.
No functional change intended.

llvm-svn: 272190

1 files changed, 1 insertions, 1 deletions

diff --git a/llvm/lib/CodeGen/AsmPrinter/DwarfExpression.cpp b/llvm/lib/CodeGen/AsmPrinter/DwarfExpression.cpp
index d614dfd6fc8..b66084be821 100644
--- a/llvm/lib/CodeGen/AsmPrinter/DwarfExpression.cpp
+++ b/llvm/lib/CodeGen/AsmPrinter/DwarfExpression.cpp
@@ -178,7 +178,7 @@ void DwarfExpression::AddUnsignedConstant(unsigned Value) {
   AddStackValue();
 }
 
-void DwarfExpression::AddUnsignedConstant(APInt Value) {
+void DwarfExpression::AddUnsignedConstant(const APInt &Value) {
   unsigned Size = Value.getBitWidth();
   const uint64_t *Data = Value.getRawData();