[llvm] b8016b6 - [CodeGen] Tweak coding style in LivePhysRegs::stepForward. NFC.

[Jay Foad via llvm-commits]

Author: Jay Foad
Date: 2021-11-01T16:01:24Z
New Revision: b8016b626ec7095c7d57ebfffb2135dc5c3077b8

URL: https://github.com/llvm/llvm-project/commit/b8016b626ec7095c7d57ebfffb2135dc5c3077b8
DIFF: https://github.com/llvm/llvm-project/commit/b8016b626ec7095c7d57ebfffb2135dc5c3077b8.diff

LOG: [CodeGen] Tweak coding style in LivePhysRegs::stepForward. NFC.

Added: 
    

Modified: 
    llvm/lib/CodeGen/LivePhysRegs.cpp

Removed: 
    


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diff  --git a/llvm/lib/CodeGen/LivePhysRegs.cpp b/llvm/lib/CodeGen/LivePhysRegs.cpp
index c0c7848139e4..6841b2dd7a15 100644
--- a/llvm/lib/CodeGen/LivePhysRegs.cpp
+++ b/llvm/lib/CodeGen/LivePhysRegs.cpp
@@ -81,22 +81,24 @@ void LivePhysRegs::stepForward(const MachineInstr &MI,
     SmallVectorImpl<std::pair<MCPhysReg, const MachineOperand*>> &Clobbers) {
   // Remove killed registers from the set.
   for (ConstMIBundleOperands O(MI); O.isValid(); ++O) {
-    if (O->isReg() && !O->isDebug()) {
+    if (O->isReg()) {
+      if (O->isDebug())
+        continue;
       Register Reg = O->getReg();
-      if (!Register::isPhysicalRegister(Reg))
+      if (!Reg.isPhysical())
         continue;
       if (O->isDef()) {
         // Note, dead defs are still recorded.  The caller should decide how to
         // handle them.
         Clobbers.push_back(std::make_pair(Reg, &*O));
       } else {
-        if (!O->isKill())
-          continue;
         assert(O->isUse());
-        removeReg(Reg);
+        if (O->isKill())
+          removeReg(Reg);
       }
-    } else if (O->isRegMask())
+    } else if (O->isRegMask()) {
       removeRegsInMask(*O, &Clobbers);
+    }
   }
 
   // Add defs to the set.
@@ -296,7 +298,7 @@ void llvm::recomputeLivenessFlags(MachineBasicBlock &MBB) {
       Register Reg = MO->getReg();
       if (Reg == 0)
         continue;
-      assert(Register::isPhysicalRegister(Reg));
+      assert(Reg.isPhysical());
 
       bool IsNotLive = LiveRegs.available(MRI, Reg);
 
@@ -325,7 +327,7 @@ void llvm::recomputeLivenessFlags(MachineBasicBlock &MBB) {
       Register Reg = MO->getReg();
       if (Reg == 0)
         continue;
-      assert(Register::isPhysicalRegister(Reg));
+      assert(Reg.isPhysical());
 
       bool IsNotLive = LiveRegs.available(MRI, Reg);
       MO->setIsKill(IsNotLive);