commit 1e93df6f0b5ee6e36d7ec18e6035f0f5a53e5ec6
author Dan Gohman <gohman@apple.com> Sat Apr 17 14:41:14 2010 +0000
committer Dan Gohman <gohman@apple.com> Sat Apr 17 14:41:14 2010 +0000
tree 9b803392e8223d909fa183af5ff0c017f41465c8
parent 2329d66a9f961b5ec463640f67ac451645aa6093

Move per-function state out of TargetLowering subclasses and into
MachineFunctionInfo subclasses.


git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@101634 91177308-0d34-0410-b5e6-96231b3b80d8

lib/Target/Mips/MipsISelLowering.cpp

diff --git a/lib/Target/Mips/MipsISelLowering.cpp b/lib/Target/Mips/MipsISelLowering.cpp
index cf25b62..d4cbc7c 100644
--- a/lib/Target/Mips/MipsISelLowering.cpp
+++ b/lib/Target/Mips/MipsISelLowering.cpp
@@ -597,8 +597,12 @@
 }
 
 SDValue MipsTargetLowering::LowerVASTART(SDValue Op, SelectionDAG &DAG) {
+  MachineFunction &MF = DAG.getMachineFunction();
+  MipsFunctionInfo *FuncInfo = MF.getInfo<MipsFunctionInfo>();
+
   DebugLoc dl = Op.getDebugLoc();
-  SDValue FI = DAG.getFrameIndex(VarArgsFrameIndex, getPointerTy());
+  SDValue FI = DAG.getFrameIndex(FuncInfo->getVarArgsFrameIndex(),
+                                 getPointerTy());
 
   // vastart just stores the address of the VarArgsFrameIndex slot into the
   // memory location argument.
@@ -1002,7 +1006,7 @@
   MipsFunctionInfo *MipsFI = MF.getInfo<MipsFunctionInfo>();
 
   unsigned StackReg = MF.getTarget().getRegisterInfo()->getFrameRegister(MF);
-  VarArgsFrameIndex = 0;
+  MipsFI->setVarArgsFrameIndex(0);
 
   // Used with vargs to acumulate store chains.
   std::vector<SDValue> OutChains;
@@ -1143,8 +1147,8 @@
 
       // Record the frame index of the first variable argument
       // which is a value necessary to VASTART.
-      if (!VarArgsFrameIndex)
-        VarArgsFrameIndex = FI;
+      if (!MipsFI->getVarArgsFrameIndex())
+        MipsFI->setVarArgsFrameIndex(FI);
     }
   }
 

lib/Target/Mips/MipsISelLowering.h

diff --git a/lib/Target/Mips/MipsISelLowering.h b/lib/Target/Mips/MipsISelLowering.h
index 7256617..0c5421f 100644
--- a/lib/Target/Mips/MipsISelLowering.h
+++ b/lib/Target/Mips/MipsISelLowering.h
@@ -68,10 +68,7 @@
   //===--------------------------------------------------------------------===//
   
   class MipsTargetLowering : public TargetLowering  {
-    int VarArgsFrameIndex;            // FrameIndex for start of varargs area.
-
   public:
-
     explicit MipsTargetLowering(MipsTargetMachine &TM);
 
     /// LowerOperation - Provide custom lowering hooks for some operations.

lib/Target/Mips/MipsMachineFunction.h

diff --git a/lib/Target/Mips/MipsMachineFunction.h b/lib/Target/Mips/MipsMachineFunction.h
index a300f49..5723f9e 100644
--- a/lib/Target/Mips/MipsMachineFunction.h
+++ b/lib/Target/Mips/MipsMachineFunction.h
@@ -80,11 +80,15 @@
   /// relocation models.
   unsigned GlobalBaseReg;
 
+  /// VarArgsFrameIndex - FrameIndex for start of varargs area.
+  int VarArgsFrameIndex;
+
 public:
   MipsFunctionInfo(MachineFunction& MF) 
   : FPStackOffset(0), RAStackOffset(0), CPUTopSavedRegOff(0), 
     FPUTopSavedRegOff(0), GPHolder(-1,-1), HasLoadArgs(false), 
-    HasStoreVarArgs(false), SRetReturnReg(0), GlobalBaseReg(0)
+    HasStoreVarArgs(false), SRetReturnReg(0), GlobalBaseReg(0),
+    VarArgsFrameIndex(0)
   {}
 
   int getFPStackOffset() const { return FPStackOffset; }
@@ -133,6 +137,9 @@
 
   unsigned getGlobalBaseReg() const { return GlobalBaseReg; }
   void setGlobalBaseReg(unsigned Reg) { GlobalBaseReg = Reg; }
+
+  int getVarArgsFrameIndex() const { return VarArgsFrameIndex; }
+  void setVarArgsFrameIndex(int Index) { VarArgsFrameIndex = Index; }
 };
 
 } // end of namespace llvm