Make 'Insert' set the name for Loads, instead of passing the name into the

[oota-llvm.git] / include / llvm / Support / CallSite.h

diff --git a/include/llvm/Support/CallSite.h b/include/llvm/Support/CallSite.h
index 7e95e5db7b6e9309582a8ffe1e61ccfb71ad25b9..ce95cc5aaac0ed91e5a45394a6851161389caf83 100644 (file)
--- a/include/llvm/Support/CallSite.h
+++ b/include/llvm/Support/CallSite.h
@@ -22,12 +22,12 @@
 
 #include "llvm/Instruction.h"
 #include "llvm/BasicBlock.h"
+#include "llvm/ParameterAttributes.h"
 
 namespace llvm {
 
 class CallInst;
 class InvokeInst;
-class ParamAttrsList;
 
 class CallSite {
   Instruction *I;
@@ -35,9 +35,13 @@ public:
   CallSite() : I(0) {}
   CallSite(CallInst *CI) : I(reinterpret_cast<Instruction*>(CI)) {}
   CallSite(InvokeInst *II) : I(reinterpret_cast<Instruction*>(II)) {}
+  CallSite(Instruction *C);
   CallSite(const CallSite &CS) : I(CS.I) {}
   CallSite &operator=(const CallSite &CS) { I = CS.I; return *this; }
 
+  bool operator==(const CallSite &CS) const { return I == CS.I; }
+  bool operator!=(const CallSite &CS) const { return I != CS.I; }
+  
   /// CallSite::get - This static method is sort of like a constructor.  It will
   /// create an appropriate call site for a Call or Invoke instruction, but it
   /// can also create a null initialized CallSite object for something which is
@@ -60,17 +64,26 @@ public:
 
   /// getParamAttrs/setParamAttrs - get or set the parameter attributes of
   /// the call.
-  const ParamAttrsList *getParamAttrs() const;
-  void setParamAttrs(const ParamAttrsList *PAL);
+  const PAListPtr &getParamAttrs() const;
+  void setParamAttrs(const PAListPtr &PAL);
 
   /// paramHasAttr - whether the call or the callee has the given attribute.
-  bool paramHasAttr(uint16_t i, unsigned attr) const;
+  bool paramHasAttr(uint16_t i, ParameterAttributes attr) const;
+
+  /// @brief Extract the alignment for a call or parameter (0=unknown).
+  uint16_t getParamAlignment(uint16_t i) const;
 
   /// @brief Determine if the call does not access memory.
   bool doesNotAccessMemory() const;
+  void setDoesNotAccessMemory(bool doesNotAccessMemory = true);
 
   /// @brief Determine if the call does not access or only reads memory.
   bool onlyReadsMemory() const;
+  void setOnlyReadsMemory(bool onlyReadsMemory = true);
+
+  /// @brief Determine if the call cannot return.
+  bool doesNotReturn() const;
+  void setDoesNotReturn(bool doesNotReturn = true);
 
   /// @brief Determine if the call cannot unwind.
   bool doesNotThrow() const;
@@ -117,26 +130,33 @@ public:
   void setArgument(unsigned ArgNo, Value* newVal) {
     assert(I && "Not a call or invoke instruction!");
     assert(arg_begin() + ArgNo < arg_end() && "Argument # out of range!");
-    if (I->getOpcode() == Instruction::Call)
-      I->setOperand(ArgNo+1, newVal); // Skip Function
-    else
-      I->setOperand(ArgNo+3, newVal); // Skip Function, BB, BB
+    I->setOperand(getArgumentOffset() + ArgNo, newVal);
   }
 
+  /// Given an operand number, returns the argument that corresponds to it.
+  /// OperandNo must be a valid operand number that actually corresponds to an
+  /// argument.
+  unsigned getArgumentNo(unsigned OperandNo) const {
+    assert(OperandNo >= getArgumentOffset() && "Operand number passed was not "
+                                               "a valid argument");
+    return OperandNo - getArgumentOffset();
+  }
+
+  /// hasArgument - Returns true if this CallSite passes the given Value* as an
+  /// argument to the called function.
+  bool hasArgument(const Value *Arg) const;
+
   /// arg_iterator - The type of iterator to use when looping over actual
   /// arguments at this call site...
   typedef User::op_iterator arg_iterator;
 
   /// arg_begin/arg_end - Return iterators corresponding to the actual argument
   /// list for a call site.
-  ///
   arg_iterator arg_begin() const {
     assert(I && "Not a call or invoke instruction!");
-    if (I->getOpcode() == Instruction::Call)
-      return I->op_begin()+1; // Skip Function
-    else
-      return I->op_begin()+3; // Skip Function, BB, BB
+    return I->op_begin() + getArgumentOffset(); // Skip non-arguments
   }
+
   arg_iterator arg_end() const { return I->op_end(); }
   bool arg_empty() const { return arg_end() == arg_begin(); }
   unsigned arg_size() const { return unsigned(arg_end() - arg_begin()); }
@@ -144,6 +164,15 @@ public:
   bool operator<(const CallSite &CS) const {
     return getInstruction() < CS.getInstruction();
   }
+
+private:
+  /// Returns the operand number of the first argument
+  unsigned getArgumentOffset() const {
+    if (I->getOpcode() == Instruction::Call)
+      return 1; // Skip Function
+    else
+      return 3; // Skip Function, BB, BB
+  }
 };
 
 } // End llvm namespace