Use reference instead of copy.
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@190813 91177308-0d34-0410-b5e6-96231b3b80d8
diff --git a/lib/CodeGen/ShrinkWrapping.cpp b/lib/CodeGen/ShrinkWrapping.cpp
index 6c826de..2b01fdd 100644
--- a/lib/CodeGen/ShrinkWrapping.cpp
+++ b/lib/CodeGen/ShrinkWrapping.cpp
@@ -357,7 +357,7 @@
///
bool PEI::calculateSets(MachineFunction &Fn) {
// Sets used to compute spill, restore placement sets.
- const std::vector<CalleeSavedInfo> CSI =
+ const std::vector<CalleeSavedInfo> &CSI =
Fn.getFrameInfo()->getCalleeSavedInfo();
// If no CSRs used, we are done.
@@ -1054,7 +1054,7 @@
std::string PEI::stringifyCSRegSet(const CSRegSet& s) {
const TargetRegisterInfo* TRI = MF->getTarget().getRegisterInfo();
- const std::vector<CalleeSavedInfo> CSI =
+ const std::vector<CalleeSavedInfo> &CSI =
MF->getFrameInfo()->getCalleeSavedInfo();
std::ostringstream srep;
diff --git a/lib/MC/MCParser/AsmParser.cpp b/lib/MC/MCParser/AsmParser.cpp
index ae88a3e..2733f64 100644
--- a/lib/MC/MCParser/AsmParser.cpp
+++ b/lib/MC/MCParser/AsmParser.cpp
@@ -1646,7 +1646,7 @@
// Use the CppHashFilename and calculate a line number based on the
// CppHashLoc and CppHashLineNumber relative to this Diag's SMLoc for
// the diagnostic.
- const std::string Filename = Parser->CppHashFilename;
+ const std::string &Filename = Parser->CppHashFilename;
int DiagLocLineNo = DiagSrcMgr.FindLineNumber(DiagLoc, DiagBuf);
int CppHashLocLineNo =