[llvm] r354438 - [NFC] add/modify wrapper function for findRegisterDefOperand().

[Chen Zheng via llvm-commits]

Author: shchenz
Date: Tue Feb 19 23:01:04 2019
New Revision: 354438

URL: http://llvm.org/viewvc/llvm-project?rev=354438&view=rev
Log:
[NFC] add/modify wrapper function for findRegisterDefOperand().

Modified:
    llvm/trunk/include/llvm/CodeGen/MachineInstr.h
    llvm/trunk/lib/CodeGen/LiveVariables.cpp
    llvm/trunk/lib/CodeGen/MachineInstr.cpp
    llvm/trunk/lib/CodeGen/SelectionDAG/InstrEmitter.cpp

Modified: llvm/trunk/include/llvm/CodeGen/MachineInstr.h
URL: http://llvm.org/viewvc/llvm-project/llvm/trunk/include/llvm/CodeGen/MachineInstr.h?rev=354438&r1=354437&r2=354438&view=diff
==============================================================================
--- llvm/trunk/include/llvm/CodeGen/MachineInstr.h (original)
+++ llvm/trunk/include/llvm/CodeGen/MachineInstr.h Tue Feb 19 23:01:04 2019
@@ -1199,12 +1199,22 @@ public:
 
   /// Wrapper for findRegisterDefOperandIdx, it returns
   /// a pointer to the MachineOperand rather than an index.
-  MachineOperand *findRegisterDefOperand(unsigned Reg, bool isDead = false,
-                                      const TargetRegisterInfo *TRI = nullptr) {
-    int Idx = findRegisterDefOperandIdx(Reg, isDead, false, TRI);
+  MachineOperand *
+  findRegisterDefOperand(unsigned Reg, bool isDead = false,
+                         bool Overlap = false,
+                         const TargetRegisterInfo *TRI = nullptr) {
+    int Idx = findRegisterDefOperandIdx(Reg, isDead, Overlap, TRI);
     return (Idx == -1) ? nullptr : &getOperand(Idx);
   }
 
+  const MachineOperand *
+  findRegisterDefOperand(unsigned Reg, bool isDead = false,
+                         bool Overlap = false,
+                         const TargetRegisterInfo *TRI = nullptr) const {
+    return const_cast<MachineInstr *>(this)->findRegisterDefOperand(
+        Reg, isDead, Overlap, TRI);
+  }
+
   /// Find the index of the first operand in the
   /// operand list that is used to represent the predicate. It returns -1 if
   /// none is found.

Modified: llvm/trunk/lib/CodeGen/LiveVariables.cpp
URL: http://llvm.org/viewvc/llvm-project/llvm/trunk/lib/CodeGen/LiveVariables.cpp?rev=354438&r1=354437&r2=354438&view=diff
==============================================================================
--- llvm/trunk/lib/CodeGen/LiveVariables.cpp (original)
+++ llvm/trunk/lib/CodeGen/LiveVariables.cpp Tue Feb 19 23:01:04 2019
@@ -400,7 +400,7 @@ bool LiveVariables::HandlePhysRegKill(un
                                                 true/*IsImp*/, true/*IsKill*/));
     else {
       MachineOperand *MO =
-        LastRefOrPartRef->findRegisterDefOperand(Reg, false, TRI);
+        LastRefOrPartRef->findRegisterDefOperand(Reg, false, false, TRI);
       bool NeedEC = MO->isEarlyClobber() && MO->getReg() != Reg;
       // If the last reference is the last def, then it's not used at all.
       // That is, unless we are currently processing the last reference itself.

Modified: llvm/trunk/lib/CodeGen/MachineInstr.cpp
URL: http://llvm.org/viewvc/llvm-project/llvm/trunk/lib/CodeGen/MachineInstr.cpp?rev=354438&r1=354437&r2=354438&view=diff
==============================================================================
--- llvm/trunk/lib/CodeGen/MachineInstr.cpp (original)
+++ llvm/trunk/lib/CodeGen/MachineInstr.cpp Tue Feb 19 23:01:04 2019
@@ -1917,7 +1917,7 @@ void MachineInstr::setRegisterDefReadUnd
 void MachineInstr::addRegisterDefined(unsigned Reg,
                                       const TargetRegisterInfo *RegInfo) {
   if (TargetRegisterInfo::isPhysicalRegister(Reg)) {
-    MachineOperand *MO = findRegisterDefOperand(Reg, false, RegInfo);
+    MachineOperand *MO = findRegisterDefOperand(Reg, false, false, RegInfo);
     if (MO)
       return;
   } else {

Modified: llvm/trunk/lib/CodeGen/SelectionDAG/InstrEmitter.cpp
URL: http://llvm.org/viewvc/llvm-project/llvm/trunk/lib/CodeGen/SelectionDAG/InstrEmitter.cpp?rev=354438&r1=354437&r2=354438&view=diff
==============================================================================
--- llvm/trunk/lib/CodeGen/SelectionDAG/InstrEmitter.cpp (original)
+++ llvm/trunk/lib/CodeGen/SelectionDAG/InstrEmitter.cpp Tue Feb 19 23:01:04 2019
@@ -1140,7 +1140,8 @@ EmitSpecialNode(SDNode *Node, bool IsClo
     // then remove the early-clobber flag.
     for (unsigned Reg : ECRegs) {
       if (MIB->readsRegister(Reg, TRI)) {
-        MachineOperand *MO = MIB->findRegisterDefOperand(Reg, false, TRI);
+        MachineOperand *MO = 
+            MIB->findRegisterDefOperand(Reg, false, false, TRI);
         assert(MO && "No def operand for clobbered register?");
         MO->setIsEarlyClobber(false);
       }