Replace PROLOG_LABEL with a new CFI_INSTRUCTION.

[oota-llvm.git] / include / llvm / CodeGen / MachineOperand.h

diff --git a/include/llvm/CodeGen/MachineOperand.h b/include/llvm/CodeGen/MachineOperand.h
index b8fc4d2ddb8d3cbe52b60763d6633fae58ef4617..57bdb4c7fa72d07df0a238f8219aa0c92380256d 100644 (file)
--- a/include/llvm/CodeGen/MachineOperand.h
+++ b/include/llvm/CodeGen/MachineOperand.h
@@ -58,7 +58,8 @@ public:
     MO_RegisterMask,      ///< Mask of preserved registers.
     MO_RegisterLiveOut,   ///< Mask of live-out registers.
     MO_Metadata,          ///< Metadata reference (for debug info)
-    MO_MCSymbol           ///< MCSymbol reference (for debug/eh info)
+    MO_MCSymbol,          ///< MCSymbol reference (for debug/eh info)
+    MO_CFIIndex           ///< MCCFIInstruction index.
   };
 
 private:
@@ -156,7 +157,8 @@ private:
     int64_t ImmVal;          // For MO_Immediate.
     const uint32_t *RegMask; // For MO_RegisterMask and MO_RegisterLiveOut.
     const MDNode *MD;        // For MO_Metadata.
-    MCSymbol *Sym;           // For MO_MCSymbol
+    MCSymbol *Sym;           // For MO_MCSymbol.
+    unsigned CFIIndex;       // For MO_CFI.
 
     struct {                  // For MO_Register.
       // Register number is in SmallContents.RegNo.
@@ -252,7 +254,7 @@ public:
   /// isMetadata - Tests if this is a MO_Metadata operand.
   bool isMetadata() const { return OpKind == MO_Metadata; }
   bool isMCSymbol() const { return OpKind == MO_MCSymbol; }
-
+  bool isCFIIndex() const { return OpKind == MO_CFIIndex; }
 
   //===--------------------------------------------------------------------===//
   // Accessors for Register Operands
@@ -443,6 +445,11 @@ public:
     return Contents.Sym;
   }
 
+  unsigned getCFIIndex() const {
+    assert(isCFIIndex() && "Wrong MachineOperand accessor");
+    return Contents.CFIIndex;
+  }
+
   /// getOffset - Return the offset from the symbol in this operand. This always
   /// returns 0 for ExternalSymbol operands.
   int64_t getOffset() const {
@@ -686,6 +693,12 @@ public:
     return Op;
   }
 
+  static MachineOperand CreateCFIIndex(unsigned CFIIndex) {
+    MachineOperand Op(MachineOperand::MO_CFIIndex);
+    Op.Contents.CFIIndex = CFIIndex;
+    return Op;
+  }
+
   friend class MachineInstr;
   friend class MachineRegisterInfo;
 private: