[llvm-commits] [llvm] r102324 - in /llvm/trunk/lib/Target/ARM: ARMBaseInstrInfo.cpp ARMBaseInstrInfo.h ARMBaseRegisterInfo.cpp

[Evan Cheng]

Author: evancheng
Date: Mon Apr 26 02:39:25 2010
New Revision: 102324

URL: http://llvm.org/viewvc/llvm-project?rev=102324&view=rev
Log:
Add ARM specific emitFrameIndexDebugValue.

Modified:
    llvm/trunk/lib/Target/ARM/ARMBaseInstrInfo.cpp
    llvm/trunk/lib/Target/ARM/ARMBaseInstrInfo.h
    llvm/trunk/lib/Target/ARM/ARMBaseRegisterInfo.cpp

Modified: llvm/trunk/lib/Target/ARM/ARMBaseInstrInfo.cpp
URL: http://llvm.org/viewvc/llvm-project/llvm/trunk/lib/Target/ARM/ARMBaseInstrInfo.cpp?rev=102324&r1=102323&r2=102324&view=diff
==============================================================================
--- llvm/trunk/lib/Target/ARM/ARMBaseInstrInfo.cpp (original)
+++ llvm/trunk/lib/Target/ARM/ARMBaseInstrInfo.cpp Mon Apr 26 02:39:25 2010
@@ -816,6 +816,16 @@
   }
 }
 
+MachineInstr*
+ARMBaseInstrInfo::emitFrameIndexDebugValue(MachineFunction &MF,
+                                           unsigned FrameIx, uint64_t Offset,
+                                           const MDNode *MDPtr,
+                                           DebugLoc DL) const {
+  MachineInstrBuilder MIB = BuildMI(MF, DL, get(ARM::DBG_VALUE))
+    .addFrameIndex(FrameIx).addImm(0).addImm(Offset).addMetadata(MDPtr);
+  return &*MIB;
+}
+
 MachineInstr *ARMBaseInstrInfo::
 foldMemoryOperandImpl(MachineFunction &MF, MachineInstr *MI,
                       const SmallVectorImpl<unsigned> &Ops, int FI) const {

Modified: llvm/trunk/lib/Target/ARM/ARMBaseInstrInfo.h
URL: http://llvm.org/viewvc/llvm-project/llvm/trunk/lib/Target/ARM/ARMBaseInstrInfo.h?rev=102324&r1=102323&r2=102324&view=diff
==============================================================================
--- llvm/trunk/lib/Target/ARM/ARMBaseInstrInfo.h (original)
+++ llvm/trunk/lib/Target/ARM/ARMBaseInstrInfo.h Mon Apr 26 02:39:25 2010
@@ -269,6 +269,12 @@
                                     unsigned DestReg, int FrameIndex,
                                     const TargetRegisterClass *RC) const;
 
+  virtual MachineInstr *emitFrameIndexDebugValue(MachineFunction &MF,
+                                                 unsigned FrameIx,
+                                                 uint64_t Offset,
+                                                 const MDNode *MDPtr,
+                                                 DebugLoc DL) const;
+
   virtual bool canFoldMemoryOperand(const MachineInstr *MI,
                                     const SmallVectorImpl<unsigned> &Ops) const;
 

Modified: llvm/trunk/lib/Target/ARM/ARMBaseRegisterInfo.cpp
URL: http://llvm.org/viewvc/llvm-project/llvm/trunk/lib/Target/ARM/ARMBaseRegisterInfo.cpp?rev=102324&r1=102323&r2=102324&view=diff
==============================================================================
--- llvm/trunk/lib/Target/ARM/ARMBaseRegisterInfo.cpp (original)
+++ llvm/trunk/lib/Target/ARM/ARMBaseRegisterInfo.cpp Mon Apr 26 02:39:25 2010
@@ -1183,6 +1183,13 @@
     SPAdj = 0;
   Offset += SPAdj;
 
+  // Special handling of dbg_value instructions.
+  if (MI.isDebugValue()) {
+    MI.getOperand(i).  ChangeToRegister(FrameReg, false /*isDef*/);
+    MI.getOperand(i+1).ChangeToImmediate(Offset);
+    return 0;
+  }
+
   // Modify MI as necessary to handle as much of 'Offset' as possible
   bool Done = false;
   if (!AFI->isThumbFunction())