Make enum-valued bitfield large enough to avoid interpretation as negative values...

[oota-llvm.git] / include / llvm / InlineAsm.h

diff --git a/include/llvm/InlineAsm.h b/include/llvm/InlineAsm.h
index 94d3bc86957f396ce89be8a8d633a30fee223392..1ba791c472ed043ab3b95d4839bb8ae5894735f2 100644 (file)
--- a/include/llvm/InlineAsm.h
+++ b/include/llvm/InlineAsm.h
@@ -17,6 +17,7 @@
 #define LLVM_INLINEASM_H
 
 #include "llvm/Value.h"
+#include "llvm/System/IncludeFile.h"
 #include <vector>
 
 namespace llvm {
@@ -35,6 +36,7 @@ class InlineAsm : public Value {
   
   InlineAsm(const FunctionType *Ty, const std::string &AsmString,
             const std::string &Constraints, bool hasSideEffects);
+  virtual ~InlineAsm();
 public:
 
   /// InlineAsm::get - Return the the specified uniqued inline asm string.
@@ -58,6 +60,7 @@ public:
   const std::string &getConstraintString() const { return Constraints; }
 
   virtual void print(std::ostream &O) const { print(O, 0); }
+  void print(std::ostream *O) const { if (O) print(*O); }
   void print(std::ostream &OS, AssemblyAnnotationWriter *AAW) const;
 
   /// Verify - This static method can be used by the parser to check to see if
@@ -70,7 +73,7 @@ public:
   enum ConstraintPrefix {
     isInput,            // 'x'
     isOutput,           // '=x'
-    isClobber,          // '~x'
+    isClobber           // '~x'
   };
   
   struct ConstraintInfo {
@@ -86,6 +89,14 @@ public:
     /// to store the output result is passed as an operand to the call.
     bool isIndirectOutput;
     
+    /// hasMatchingInput - This is set to true for an output constraint iff
+    /// there is an input constraint that is required to match it (e.g. "0").
+    bool hasMatchingInput;
+    
+    /// isCommutative - This is set to true for a constraint that is commutative
+    /// with the next operand.
+    bool isCommutative;
+    
     /// Code - The constraint code, either the register name (in braces) or the
     /// constraint letter/number.
     std::vector<std::string> Codes;
@@ -93,7 +104,8 @@ public:
     /// Parse - Analyze the specified string (e.g. "==&{eax}") and fill in the
     /// fields in this structure.  If the constraint string is not understood,
     /// return true, otherwise return false.
-    bool Parse(const std::string &Str);
+    bool Parse(const std::string &Str, 
+               std::vector<InlineAsm::ConstraintInfo> &ConstraintsSoFar);
   };
   
   /// ParseConstraints - Split up the constraint string into the specific
@@ -112,10 +124,13 @@ public:
   // Methods for support type inquiry through isa, cast, and dyn_cast:
   static inline bool classof(const InlineAsm *) { return true; }
   static inline bool classof(const Value *V) {
-    return V->getValueType() == Value::InlineAsmVal;
+    return V->getValueID() == Value::InlineAsmVal;
   }
 };
 
 } // End llvm namespace
 
+// Make sure the InlineAsm.cpp file is linked when this one is #included.
+FORCE_DEFINING_FILE_TO_BE_LINKED(InlineAsm)
+
 #endif