Remove TargetInstrInfo::copyRegToReg entirely.

Targets must now implement TargetInstrInfo::copyPhysReg instead. There is no
longer a default implementation forwarding to copyRegToReg.

git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@108095 91177308-0d34-0410-b5e6-96231b3b80d8

2 files changed, 4 insertions, 19 deletions

diff --git a/include/llvm/Target/TargetInstrInfo.h b/include/llvm/Target/TargetInstrInfo.h
index 6a4573b..6e69914 100644
--- a/include/llvm/Target/TargetInstrInfo.h
+++ b/include/llvm/Target/TargetInstrInfo.h
@@ -357,7 +357,9 @@ public:
   virtual void copyPhysReg(MachineBasicBlock &MBB,
                            MachineBasicBlock::iterator MI, DebugLoc DL,
                            unsigned DestReg, unsigned SrcReg,
-                           bool KillSrc) const =0;
+                           bool KillSrc) const {
+    assert(0 && "Target didn't implement TargetInstrInfo::copyPhysReg!");
+  }
 
   /// storeRegToStackSlot - Store the specified register of the given register
   /// class to the specified stack frame index. The store instruction is to be
@@ -648,22 +650,6 @@ public:
 
   virtual ScheduleHazardRecognizer *
   CreateTargetPostRAHazardRecognizer(const InstrItineraryData&) const;
-  virtual void copyPhysReg(MachineBasicBlock &MBB,
-                           MachineBasicBlock::iterator MI, DebugLoc DL,
-                           unsigned DestReg, unsigned SrcReg,
-                           bool KillSrc) const;
-  /// copyRegToReg - Legacy hook going away soon. Targets should implement
-  /// copyPhysReg instead.
-  virtual bool copyRegToReg(MachineBasicBlock &MBB,
-                            MachineBasicBlock::iterator MI,
-                            unsigned DestReg, unsigned SrcReg,
-                            const TargetRegisterClass *DestRC,
-                            const TargetRegisterClass *SrcRC,
-                            DebugLoc DL) const {
-    assert(0 && "Target didn't implement TargetInstrInfo::copyPhysReg!");
-    return false;
-  }
-
 };
 
 } // End llvm namespace
diff --git a/include/llvm/Target/TargetOpcodes.h b/include/llvm/Target/TargetOpcodes.h
index e710c70..cb772ec 100644
--- a/include/llvm/Target/TargetOpcodes.h
+++ b/include/llvm/Target/TargetOpcodes.h
@@ -62,8 +62,7 @@ namespace TargetOpcode {
     /// used between instruction selection and MachineInstr creation, before
     /// virtual registers have been created for all the instructions, and it's
     /// only needed in cases where the register classes implied by the
-    /// instructions are insufficient. The actual MachineInstrs to perform
-    /// the copy are emitted with the TargetInstrInfo::copyRegToReg hook.
+    /// instructions are insufficient. It is emitted as a COPY MachineInstr.
     COPY_TO_REGCLASS = 10,
 
     /// DBG_VALUE - a mapping of the llvm.dbg.value intrinsic