[llvm] b04148f - Local.cpp - Avoid DebugLoc copies - use const reference from getDebugLoc. NFCI.

[Simon Pilgrim via llvm-commits]

Author: Simon Pilgrim
Date: 2021-05-04T14:31:50+01:00
New Revision: b04148f77713c92ee57b33b7b858ad18ce8d78e3

URL: https://github.com/llvm/llvm-project/commit/b04148f77713c92ee57b33b7b858ad18ce8d78e3
DIFF: https://github.com/llvm/llvm-project/commit/b04148f77713c92ee57b33b7b858ad18ce8d78e3.diff

LOG: Local.cpp - Avoid DebugLoc copies - use const reference from getDebugLoc. NFCI.

Added: 
    

Modified: 
    llvm/lib/Transforms/Utils/Local.cpp

Removed: 
    


################################################################################
diff  --git a/llvm/lib/Transforms/Utils/Local.cpp b/llvm/lib/Transforms/Utils/Local.cpp
index ed75337abfa7..ecabe21b4fc4 100644
--- a/llvm/lib/Transforms/Utils/Local.cpp
+++ b/llvm/lib/Transforms/Utils/Local.cpp
@@ -1423,7 +1423,7 @@ static bool valueCoversEntireFragment(Type *ValTy, DbgVariableIntrinsic *DII) {
 /// case this DebugLoc leaks into any adjacent instructions.
 static DebugLoc getDebugValueLoc(DbgVariableIntrinsic *DII, Instruction *Src) {
   // Original dbg.declare must have a location.
-  DebugLoc DeclareLoc = DII->getDebugLoc();
+  const DebugLoc &DeclareLoc = DII->getDebugLoc();
   MDNode *Scope = DeclareLoc.getScope();
   DILocation *InlinedAt = DeclareLoc.getInlinedAt();
   // Produce an unknown location with the correct scope / inlinedAt fields.
@@ -1672,7 +1672,7 @@ bool llvm::replaceDbgDeclare(Value *Address, Value *NewAddress,
                              int Offset) {
   auto DbgAddrs = FindDbgAddrUses(Address);
   for (DbgVariableIntrinsic *DII : DbgAddrs) {
-    DebugLoc Loc = DII->getDebugLoc();
+    const DebugLoc &Loc = DII->getDebugLoc();
     auto *DIVar = DII->getVariable();
     auto *DIExpr = DII->getExpression();
     assert(DIVar && "Missing variable");
@@ -1687,7 +1687,7 @@ bool llvm::replaceDbgDeclare(Value *Address, Value *NewAddress,
 
 static void replaceOneDbgValueForAlloca(DbgValueInst *DVI, Value *NewAddress,
                                         DIBuilder &Builder, int Offset) {
-  DebugLoc Loc = DVI->getDebugLoc();
+  const DebugLoc &Loc = DVI->getDebugLoc();
   auto *DIVar = DVI->getVariable();
   auto *DIExpr = DVI->getExpression();
   assert(DIVar && "Missing variable");