Add TargetInfo libraries for all targets.

[oota-llvm.git] / lib / Target / X86 / X86MachineFunctionInfo.h

diff --git a/lib/Target/X86/X86MachineFunctionInfo.h b/lib/Target/X86/X86MachineFunctionInfo.h
index fcdeb0572c351c1773faa6687cd449dc3736ac37..fafcf7e3d79ac8b49395a42f65842ef7cc0460a1 100644 (file)
--- a/lib/Target/X86/X86MachineFunctionInfo.h
+++ b/lib/Target/X86/X86MachineFunctionInfo.h
@@ -24,8 +24,8 @@ enum NameDecorationStyle {
   FastCall
 };
   
-/// X86MachineFunctionInfo - This class is derived from MachineFunction private
-/// X86 target-specific information for each MachineFunction.
+/// X86MachineFunctionInfo - This class is derived from MachineFunction and
+/// contains private X86 target-specific information for each MachineFunction.
 class X86MachineFunctionInfo : public MachineFunctionInfo {
   /// ForceFramePointer - True if the function is required to use of frame
   /// pointer for reasons other than it containing dynamic allocation or 
@@ -53,20 +53,35 @@ class X86MachineFunctionInfo : public MachineFunctionInfo {
   /// the returnaddr can be savely move to this area
   int TailCallReturnAddrDelta;
 
+  /// SRetReturnReg - Some subtargets require that sret lowering includes
+  /// returning the value of the returned struct in a register. This field
+  /// holds the virtual register into which the sret argument is passed.
+  unsigned SRetReturnReg;
+
+  /// GlobalBaseReg - keeps track of the virtual register initialized for
+  /// use as the global base register. This is used for PIC in some PIC
+  /// relocation models.
+  unsigned GlobalBaseReg;
+
 public:
   X86MachineFunctionInfo() : ForceFramePointer(false),
                              CalleeSavedFrameSize(0),
                              BytesToPopOnReturn(0),
                              DecorationStyle(None),
                              ReturnAddrIndex(0),
-                             TailCallReturnAddrDelta(0) {}
+                             TailCallReturnAddrDelta(0),
+                             SRetReturnReg(0),
+                             GlobalBaseReg(0) {}
   
-  X86MachineFunctionInfo(MachineFunction &MF) : ForceFramePointer(false),
-                                                CalleeSavedFrameSize(0),
-                                                BytesToPopOnReturn(0),
-                                                DecorationStyle(None),
-                                                ReturnAddrIndex(0),
-                                                TailCallReturnAddrDelta(0) {}
+  explicit X86MachineFunctionInfo(MachineFunction &MF)
+    : ForceFramePointer(false),
+      CalleeSavedFrameSize(0),
+      BytesToPopOnReturn(0),
+      DecorationStyle(None),
+      ReturnAddrIndex(0),
+      TailCallReturnAddrDelta(0),
+      SRetReturnReg(0),
+      GlobalBaseReg(0) {}
   
   bool getForceFramePointer() const { return ForceFramePointer;} 
   void setForceFramePointer(bool forceFP) { ForceFramePointer = forceFP; }
@@ -85,7 +100,14 @@ public:
 
   int getTCReturnAddrDelta() const { return TailCallReturnAddrDelta; }
   void setTCReturnAddrDelta(int delta) {TailCallReturnAddrDelta = delta;}
+
+  unsigned getSRetReturnReg() const { return SRetReturnReg; }
+  void setSRetReturnReg(unsigned Reg) { SRetReturnReg = Reg; }
+
+  unsigned getGlobalBaseReg() const { return GlobalBaseReg; }
+  void setGlobalBaseReg(unsigned Reg) { GlobalBaseReg = Reg; }
 };
+
 } // End llvm namespace
 
 #endif