From: Jakob Stoklund Olesen <stoklund@2pi.dk>
Date: Sun, 11 Jul 2010 06:53:33 +0000 (+0000)
Subject: Replace copyRegToReg with copyPhysReg for PIC16.
X-Git-Url: http://demsky.eecs.uci.edu/git/?a=commitdiff_plain;h=d86adf3d6e53650fce6ad563a9d4f8fb59e90d56;p=oota-llvm.git

Replace copyRegToReg with copyPhysReg for PIC16.

git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@108081 91177308-0d34-0410-b5e6-96231b3b80d8
---

diff --git a/lib/Target/PIC16/PIC16InstrInfo.cpp b/lib/Target/PIC16/PIC16InstrInfo.cpp
index e55cb4446cf..e784f746f7f 100644
--- a/lib/Target/PIC16/PIC16InstrInfo.cpp
+++ b/lib/Target/PIC16/PIC16InstrInfo.cpp
@@ -151,25 +151,20 @@ void PIC16InstrInfo::loadRegFromStackSlot(MachineBasicBlock &MBB,
     llvm_unreachable("Can't load this register from stack slot");
 }
 
-bool PIC16InstrInfo::copyRegToReg (MachineBasicBlock &MBB,
-                                   MachineBasicBlock::iterator I,
-                                   unsigned DestReg, unsigned SrcReg,
-                                   const TargetRegisterClass *DestRC,
-                                   const TargetRegisterClass *SrcRC,
-                                   DebugLoc DL) const {
-
-  if (DestRC == PIC16::FSR16RegisterClass) {
-    BuildMI(MBB, I, DL, get(PIC16::copy_fsr), DestReg).addReg(SrcReg);
-    return true;
-  }
-
-  if (DestRC == PIC16::GPRRegisterClass) {
-    BuildMI(MBB, I, DL, get(PIC16::copy_w), DestReg).addReg(SrcReg);
-    return true;
-  }
+void PIC16InstrInfo::copyPhysReg(MachineBasicBlock &MBB,
+                                 MachineBasicBlock::iterator I, DebugLoc DL,
+                                 unsigned DestReg, unsigned SrcReg,
+                                 bool KillSrc) const {
+  unsigned Opc;
+  if (PIC16::FSR16RegClass.contains(DestReg, SrcReg))
+    Opc = PIC16::copy_fsr;
+  else if (PIC16::GPRRegClass.contains(DestReg, SrcReg))
+    Opc = PIC16::copy_w;
+  else
+    llvm_unreachable("Impossible reg-to-reg copy");
 
-  // Not yet supported.
-  return false;
+  BuildMI(MBB, I, DL, get(Opc), DestReg)
+    .addReg(SrcReg, getKillRegState(KillSrc));
 }
 
 bool PIC16InstrInfo::isMoveInstr(const MachineInstr &MI,
diff --git a/lib/Target/PIC16/PIC16InstrInfo.h b/lib/Target/PIC16/PIC16InstrInfo.h
index eeefa56fdc1..a3a77f11ba1 100644
--- a/lib/Target/PIC16/PIC16InstrInfo.h
+++ b/lib/Target/PIC16/PIC16InstrInfo.h
@@ -57,12 +57,10 @@ public:
                                     unsigned DestReg, int FrameIndex,
                                     const TargetRegisterClass *RC,
                                     const TargetRegisterInfo *TRI) const;
-  virtual bool copyRegToReg(MachineBasicBlock &MBB,
-                            MachineBasicBlock::iterator MBBI,
-                            unsigned DestReg, unsigned SrcReg,
-                            const TargetRegisterClass *DestRC,
-                            const TargetRegisterClass *SrcRC,
-                            DebugLoc DL) const;
+  virtual void copyPhysReg(MachineBasicBlock &MBB,
+                           MachineBasicBlock::iterator I, DebugLoc DL,
+                           unsigned DestReg, unsigned SrcReg,
+                           bool KillSrc) const;
   virtual bool isMoveInstr(const MachineInstr &MI,
                            unsigned &SrcReg, unsigned &DstReg,
                            unsigned &SrcSubIdx, unsigned &DstSubIdx) const;