[llvm] bf6f2c1 - [CodeGen] Use range-based for loops (NFC) (#97187)

[via llvm-commits]

Author: Kazu Hirata
Date: 2024-07-01T16:11:09-07:00
New Revision: bf6f2c1c431943c69892d9b0355da91e95090601

URL: https://github.com/llvm/llvm-project/commit/bf6f2c1c431943c69892d9b0355da91e95090601
DIFF: https://github.com/llvm/llvm-project/commit/bf6f2c1c431943c69892d9b0355da91e95090601.diff

LOG: [CodeGen] Use range-based for loops (NFC) (#97187)

Added: 
    

Modified: 
    llvm/lib/CodeGen/MachineSSAUpdater.cpp

Removed: 
    


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diff  --git a/llvm/lib/CodeGen/MachineSSAUpdater.cpp b/llvm/lib/CodeGen/MachineSSAUpdater.cpp
index ffe1df4ec1ce8..4cbb6ad3128bd 100644
--- a/llvm/lib/CodeGen/MachineSSAUpdater.cpp
+++ b/llvm/lib/CodeGen/MachineSSAUpdater.cpp
@@ -89,8 +89,8 @@ Register LookForIdenticalPHI(MachineBasicBlock *BB,
     return Register();
 
   AvailableValsTy AVals;
-  for (unsigned i = 0, e = PredValues.size(); i != e; ++i)
-    AVals[PredValues[i].first] = PredValues[i].second;
+  for (const auto &[SrcBB, SrcReg] : PredValues)
+    AVals[SrcBB] = SrcReg;
   while (I != BB->end() && I->isPHI()) {
     bool Same = true;
     for (unsigned i = 1, e = I->getNumOperands(); i != e; i += 2) {
@@ -196,8 +196,8 @@ Register MachineSSAUpdater::GetValueInMiddleOfBlock(MachineBasicBlock *BB,
       InsertNewDef(TargetOpcode::PHI, BB, Loc, RegAttrs, MRI, TII);
 
   // Fill in all the predecessors of the PHI.
-  for (unsigned i = 0, e = PredValues.size(); i != e; ++i)
-    InsertedPHI.addReg(PredValues[i].second).addMBB(PredValues[i].first);
+  for (const auto &[SrcBB, SrcReg] : PredValues)
+    InsertedPHI.addReg(SrcReg).addMBB(SrcBB);
 
   // See if the PHI node can be merged to a single value.  This can happen in
   // loop cases when we get a PHI of itself and one other value.