[llvm] c10e79e - [NFC][LLVM] Code cleanup in MIRNamerPass.cpp (#162996)

[via llvm-commits]

Author: Rahul Joshi
Date: 2025-10-13T07:54:02-07:00
New Revision: c10e79e4f6465427c0f29368523e2bfc051f6c1d

URL: https://github.com/llvm/llvm-project/commit/c10e79e4f6465427c0f29368523e2bfc051f6c1d
DIFF: https://github.com/llvm/llvm-project/commit/c10e79e4f6465427c0f29368523e2bfc051f6c1d.diff

LOG: [NFC][LLVM] Code cleanup in MIRNamerPass.cpp (#162996)

Added: 
    

Modified: 
    llvm/lib/CodeGen/MIRNamerPass.cpp

Removed: 
    


################################################################################
diff  --git a/llvm/lib/CodeGen/MIRNamerPass.cpp b/llvm/lib/CodeGen/MIRNamerPass.cpp
index bc65700aba066..cbf8867d569cb 100644
--- a/llvm/lib/CodeGen/MIRNamerPass.cpp
+++ b/llvm/lib/CodeGen/MIRNamerPass.cpp
@@ -23,10 +23,6 @@
 
 using namespace llvm;
 
-namespace llvm {
-extern char &MIRNamerID;
-} // namespace llvm
-
 #define DEBUG_TYPE "mir-namer"
 
 namespace {
@@ -53,10 +49,9 @@ class MIRNamer : public MachineFunctionPass {
 
     VRegRenamer Renamer(MF.getRegInfo());
 
-    unsigned BBIndex = 0;
     ReversePostOrderTraversal<MachineBasicBlock *> RPOT(&*MF.begin());
-    for (auto &MBB : RPOT)
-      Changed |= Renamer.renameVRegs(MBB, BBIndex++);
+    for (const auto &[BBIndex, MBB] : enumerate(RPOT))
+      Changed |= Renamer.renameVRegs(MBB, BBIndex);
 
     return Changed;
   }
@@ -66,10 +61,4 @@ class MIRNamer : public MachineFunctionPass {
 
 char MIRNamer::ID;
 
-char &llvm::MIRNamerID = MIRNamer::ID;
-
-INITIALIZE_PASS_BEGIN(MIRNamer, "mir-namer", "Rename Register Operands", false,
-                      false)
-
-INITIALIZE_PASS_END(MIRNamer, "mir-namer", "Rename Register Operands", false,
-                    false)
+INITIALIZE_PASS(MIRNamer, "mir-namer", "Rename Register Operands", false, false)