Add facility to dump pass manager structure

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

diff --git a/include/llvm/Support/CallSite.h b/include/llvm/Support/CallSite.h
index 009bd6ae1ad23b6bf94465317083045edb9a6d03..e14caad642c1a061ed45a275cb8328094f3019b4 100644 (file)
--- a/include/llvm/Support/CallSite.h
+++ b/include/llvm/Support/CallSite.h
@@ -1,10 +1,10 @@
 //===-- llvm/Support/CallSite.h - Abstract Call & Invoke instrs -*- C++ -*-===//
-// 
+//
 //                     The LLVM Compiler Infrastructure
 //
 // This file was developed by the LLVM research group and is distributed under
 // the University of Illinois Open Source License. See LICENSE.TXT for details.
-// 
+//
 //===----------------------------------------------------------------------===//
 //
 // This file defines the CallSite class, which is a handy wrapper for code that
@@ -13,8 +13,7 @@
 // NOTE: This class is supposed to have "value semantics". So it should be
 // passed by value, not by reference; it should not be "new"ed or "delete"d. It
 // is efficiently copyable, assignable and constructable, with cost equivalent
-// to copying a pointer. (You will notice that it has only a single data
-// member.)
+// to copying a pointer (notice that it has only a single data member).
 //
 //===----------------------------------------------------------------------===//
 
@@ -33,8 +32,8 @@ class CallSite {
   Instruction *I;
 public:
   CallSite() : I(0) {}
-  CallSite(CallInst *CI) : I((Instruction*)CI) {}
-  CallSite(InvokeInst *II) : I((Instruction*)II) {}
+  CallSite(CallInst *CI) : I(reinterpret_cast<Instruction*>(CI)) {}
+  CallSite(InvokeInst *II) : I(reinterpret_cast<Instruction*>(II)) {}
   CallSite(const CallSite &CS) : I(CS.I) {}
   CallSite &operator=(const CallSite &CS) { I = CS.I; return *this; }
 
@@ -46,16 +45,21 @@ public:
   static CallSite get(Value *V) {
     if (Instruction *I = dyn_cast<Instruction>(V)) {
       if (I->getOpcode() == Instruction::Call)
-        return CallSite((CallInst*)I);
+        return CallSite(reinterpret_cast<CallInst*>(I));
       else if (I->getOpcode() == Instruction::Invoke)
-        return CallSite((InvokeInst*)I);
+        return CallSite(reinterpret_cast<InvokeInst*>(I));
     }
     return CallSite();
   }
 
+  /// getCallingConv/setCallingConv - get or set the calling convention of the
+  /// call.
+  unsigned getCallingConv() const;
+  void setCallingConv(unsigned CC);
+
   /// getType - Return the type of the instruction that generated this call site
   ///
-  const Type *getType () const { return I->getType (); }
+  const Type *getType() const { return I->getType(); }
 
   /// getInstruction - Return the instruction this call site corresponds to
   ///
@@ -75,8 +79,9 @@ public:
   /// getCalledFunction - Return the function being called if this is a direct
   /// call, otherwise return null (if it's an indirect call).
   ///
-  /// FIXME: This should be inlined once ConstantPointerRefs are gone.  :(
-  Function *getCalledFunction() const;
+  Function *getCalledFunction() const {
+    return dyn_cast<Function>(getCalledValue());
+  }
 
   /// setCalledFunction - Set the callee to the specified value...
   ///
@@ -85,6 +90,11 @@ public:
     I->setOperand(0, V);
   }
 
+  Value *getArgument(unsigned ArgNo) const {
+    assert(arg_begin() + ArgNo < arg_end() && "Argument # out of range!");
+    return *(arg_begin()+ArgNo);
+  }
+
   /// arg_iterator - The type of iterator to use when looping over actual
   /// arguments at this call site...
   typedef User::op_iterator arg_iterator;
@@ -100,7 +110,7 @@ public:
       return I->op_begin()+3; // Skip Function, BB, BB
   }
   arg_iterator arg_end() const { return I->op_end(); }
-  unsigned arg_size() const { return arg_end() - arg_begin(); }
+  unsigned arg_size() const { return unsigned(arg_end() - arg_begin()); }
 
   bool operator<(const CallSite &CS) const {
     return getInstruction() < CS.getInstruction();