lib/CodeGen/MachineInstrAnnot.cpp

   1 //===-- MachineInstrAnnot.cpp ---------------------------------------------===//
   2 //
   3 //  This file defines Annotations used to pass information between code
   4 //  generation phases.
   5 //
   6 //===----------------------------------------------------------------------===//
   7
   8 #include "llvm/CodeGen/MachineInstrAnnot.h"
   9 #include "llvm/Annotation.h"
  10 #include "llvm/iOther.h"
  11
  12 AnnotationID CallArgsDescriptor::AID(AnnotationManager::
  13                                      getID("CodeGen::CallArgsDescriptor"));
  14
  15 CallArgsDescriptor::CallArgsDescriptor(const CallInst* _callInstr,
  16                                        TmpInstruction* _retAddrReg,
  17                                        bool _isVarArgs, bool _noPrototype)
  18   : Annotation(AID),
  19     callInstr(_callInstr),
  20     funcPtr(isa<Function>(_callInstr->getCalledValue())
  21             ? NULL : _callInstr->getCalledValue()),
  22     retAddrReg(_retAddrReg),
  23     isVarArgs(_isVarArgs),
  24     noPrototype(_noPrototype)
  25 {
  26   unsigned int numArgs = callInstr->getNumOperands();
  27   argInfoVec.reserve(numArgs);
  28   assert(callInstr->getOperand(0) == callInstr->getCalledValue()
  29          && "Operand 0 is ignored in the loop below!");
  30   for (unsigned int i=1; i < numArgs; ++i)
  31     argInfoVec.push_back(CallArgInfo(callInstr->getOperand(i)));
  32 }