Teach the MBlaze disassembler to disassemble special purpose registers.

[oota-llvm.git] / lib / Target / MBlaze / MBlazeMachineFunction.h

diff --git a/lib/Target/MBlaze/MBlazeMachineFunction.h b/lib/Target/MBlaze/MBlazeMachineFunction.h
index 09b916effd85abf7823fe51c8a30b0a492b29d30..d1468db45bef1d18f86cd47776cfd21785bf00fa 100644 (file)
--- a/lib/Target/MBlaze/MBlazeMachineFunction.h
+++ b/lib/Target/MBlaze/MBlazeMachineFunction.h
@@ -34,6 +34,9 @@ private:
   /// saved. This is used on Prologue and Epilogue to emit RA save/restore
   int RAStackOffset;
 
+  /// Holds the stack adjustment necessary for each function.
+  int StackAdjust;
+
   /// MBlazeFIHolder - Holds a FrameIndex and it's Stack Pointer Offset
   struct MBlazeFIHolder {
 
@@ -76,11 +79,15 @@ private:
   // VarArgsFrameIndex - FrameIndex for start of varargs area.
   int VarArgsFrameIndex;
 
+  /// LiveInFI - keeps track of the frame indexes in a callers stack
+  /// frame that are live into a function.
+  SmallVector<int, 16> LiveInFI;
+
 public:
   MBlazeFunctionInfo(MachineFunction& MF)
-  : FPStackOffset(0), RAStackOffset(0), GPHolder(-1,-1),
+  : FPStackOffset(0), RAStackOffset(0), StackAdjust(0), GPHolder(-1,-1),
     HasLoadArgs(false), HasStoreVarArgs(false), SRetReturnReg(0),
-    GlobalBaseReg(0), VarArgsFrameIndex(0)
+    GlobalBaseReg(0), VarArgsFrameIndex(0), LiveInFI()
   {}
 
   int getFPStackOffset() const { return FPStackOffset; }
@@ -89,6 +96,9 @@ public:
   int getRAStackOffset() const { return RAStackOffset; }
   void setRAStackOffset(int Off) { RAStackOffset = Off; }
 
+  int getStackAdjust() const { return StackAdjust; }
+  void setStackAdjust(int Adj) { StackAdjust = Adj; }
+
   int getGPStackOffset() const { return GPHolder.SPOffset; }
   int getGPFI() const { return GPHolder.FI; }
   void setGPStackOffset(int Off) { GPHolder.SPOffset = Off; }
@@ -98,6 +108,19 @@ public:
   bool hasLoadArgs() const { return HasLoadArgs; }
   bool hasStoreVarArgs() const { return HasStoreVarArgs; }
 
+  void recordLiveIn(int FI) {
+    LiveInFI.push_back(FI);
+  }
+
+  bool isLiveIn(int FI) {
+    for (unsigned i = 0, e = LiveInFI.size(); i < e; ++i)
+      if (FI == LiveInFI[i]) return true;
+
+    return false;
+  }
+
+  const SmallVector<int, 16>& getLiveIn() const { return LiveInFI; }
+
   void recordLoadArgsFI(int FI, int SPOffset) {
     if (!HasLoadArgs) HasLoadArgs=true;
     FnLoadArgs.push_back(MBlazeFIHolder(FI, SPOffset));