Pass DebugLoc and SDLoc by const ref.
This used to be free, copying and moving DebugLocs became expensive
after the metadata rewrite. Passing by reference eliminates a ton of
track/untrack operations. No functionality change intended.
llvm-svn: 272512
diff --git a/llvm/lib/CodeGen/LiveDebugVariables.cpp b/llvm/lib/CodeGen/LiveDebugVariables.cpp
index c73db0d..69297a3 100644
--- a/llvm/lib/CodeGen/LiveDebugVariables.cpp
+++ b/llvm/lib/CodeGen/LiveDebugVariables.cpp
@@ -305,7 +305,7 @@
/// getUserValue - Find or create a UserValue.
UserValue *getUserValue(const MDNode *Var, const MDNode *Expr,
- unsigned Offset, bool IsIndirect, DebugLoc DL);
+ unsigned Offset, bool IsIndirect, const DebugLoc &DL);
/// lookupVirtReg - Find the EC leader for VirtReg or null.
UserValue *lookupVirtReg(unsigned VirtReg);
@@ -358,7 +358,7 @@
};
} // namespace
-static void printDebugLoc(DebugLoc DL, raw_ostream &CommentOS,
+static void printDebugLoc(const DebugLoc &DL, raw_ostream &CommentOS,
const LLVMContext &Ctx) {
if (!DL)
return;
@@ -459,7 +459,7 @@
UserValue *LDVImpl::getUserValue(const MDNode *Var, const MDNode *Expr,
unsigned Offset, bool IsIndirect,
- DebugLoc DL) {
+ const DebugLoc &DL) {
UserValue *&Leader = userVarMap[Var];
if (Leader) {
UserValue *UV = Leader->getLeader();