[llvm] 08d9e2c - [NFC] Avoid useless BitVector move

[via llvm-commits]

Author: serge-sans-paille
Date: 2021-03-08T15:16:23+01:00
New Revision: 08d9e2ceec60f4801b19243c6a4fcacb33aa043c

URL: https://github.com/llvm/llvm-project/commit/08d9e2ceec60f4801b19243c6a4fcacb33aa043c
DIFF: https://github.com/llvm/llvm-project/commit/08d9e2ceec60f4801b19243c6a4fcacb33aa043c.diff

LOG: [NFC] Avoid useless BitVector move

Added: 
    

Modified: 
    llvm/lib/CodeGen/CFIInstrInserter.cpp

Removed: 
    


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diff  --git a/llvm/lib/CodeGen/CFIInstrInserter.cpp b/llvm/lib/CodeGen/CFIInstrInserter.cpp
index 23c7fea01f28..31346c935633 100644
--- a/llvm/lib/CodeGen/CFIInstrInserter.cpp
+++ b/llvm/lib/CodeGen/CFIInstrInserter.cpp
@@ -157,7 +157,7 @@ void CFIInstrInserter::calculateCFAInfo(MachineFunction &MF) {
 
   // Initialize MBBMap.
   for (MachineBasicBlock &MBB : MF) {
-    MBBCFAInfo MBBInfo;
+    MBBCFAInfo &MBBInfo = MBBVector[MBB.getNumber()];
     MBBInfo.MBB = &MBB;
     MBBInfo.IncomingCFAOffset = InitialOffset;
     MBBInfo.OutgoingCFAOffset = InitialOffset;
@@ -165,7 +165,6 @@ void CFIInstrInserter::calculateCFAInfo(MachineFunction &MF) {
     MBBInfo.OutgoingCFARegister = InitialRegister;
     MBBInfo.IncomingCSRSaved.resize(NumRegs);
     MBBInfo.OutgoingCSRSaved.resize(NumRegs);
-    MBBVector[MBB.getNumber()] = MBBInfo;
   }
   CSRLocMap.clear();