[llvm] 2133366 - [BreakFalseDeps] Use MCRegister. NFC (#216921)

[via llvm-commits]

Author: Craig Topper
Date: 2026-08-18T16:10:39Z
New Revision: 2133366a30946ee41432cf67315d4108bdec69b2

URL: https://github.com/llvm/llvm-project/commit/2133366a30946ee41432cf67315d4108bdec69b2
DIFF: https://github.com/llvm/llvm-project/commit/2133366a30946ee41432cf67315d4108bdec69b2.diff

LOG: [BreakFalseDeps] Use MCRegister. NFC (#216921)

Added: 
    

Modified: 
    llvm/lib/CodeGen/BreakFalseDeps.cpp

Removed: 
    


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diff  --git a/llvm/lib/CodeGen/BreakFalseDeps.cpp b/llvm/lib/CodeGen/BreakFalseDeps.cpp
index 9756c1e3d6981..180ebc18db06c 100644
--- a/llvm/lib/CodeGen/BreakFalseDeps.cpp
+++ b/llvm/lib/CodeGen/BreakFalseDeps.cpp
@@ -165,7 +165,7 @@ bool BreakFalseDeps::pickBestRegisterForUndef(MachineInstr *MI, unsigned OpIdx,
   // Go over all registers in the register class and find the register with
   // max clearance or clearance higher than Pref.
   unsigned MaxClearance = 0;
-  unsigned MaxClearanceReg = OriginalReg;
+  MCRegister MaxClearanceReg = OriginalReg;
   ArrayRef<MCPhysReg> Order = RegClassInfo.getOrder(OpRC);
   for (MCPhysReg Reg : Order) {
     unsigned Clearance = RDI->getClearance(MI, Reg);