llvm-6502/lib/VMCore/iCall.cpp
Chris Lattner 49ad898e33 Implement the invoke instruction
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@774 91177308-0d34-0410-b5e6-96231b3b80d8
2001-10-13 07:01:45 +00:00

75 lines
2.8 KiB
C++

//===-- iCall.cpp - Implement the call & invoke instructions -----*- C++ -*--=//
//
// This file implements the call and invoke instructions.
//
//===----------------------------------------------------------------------===//
#include "llvm/iOther.h"
#include "llvm/iTerminators.h"
#include "llvm/DerivedTypes.h"
#include "llvm/Method.h"
//===----------------------------------------------------------------------===//
// CallInst Implementation
//===----------------------------------------------------------------------===//
CallInst::CallInst(Value *Meth, const vector<Value*> &params,
const string &Name)
: Instruction(cast<MethodType>(cast<PointerType>(Meth->getType())
->getValueType())->getReturnType(),
Instruction::Call, Name) {
Operands.reserve(1+params.size());
Operands.push_back(Use(Meth, this));
const MethodType *MTy =
cast<MethodType>(cast<PointerType>(Meth->getType())->getValueType());
const MethodType::ParamTypes &PL = MTy->getParamTypes();
assert((params.size() == PL.size()) ||
(MTy->isVarArg() && params.size() >= PL.size()-1) &&
"Calling a function with bad signature");
for (unsigned i = 0; i < params.size(); i++)
Operands.push_back(Use(params[i], this));
}
CallInst::CallInst(const CallInst &CI)
: Instruction(CI.getType(), Instruction::Call) {
Operands.reserve(CI.Operands.size());
for (unsigned i = 0; i < CI.Operands.size(); ++i)
Operands.push_back(Use(CI.Operands[i], this));
}
//===----------------------------------------------------------------------===//
// InvokeInst Implementation
//===----------------------------------------------------------------------===//
InvokeInst::InvokeInst(Value *Meth, BasicBlock *IfNormal, \
BasicBlock *IfException, const vector<Value*>&params,
const string &Name)
: TerminatorInst(cast<MethodType>(cast<PointerType>(Meth->getType())
->getValueType())->getReturnType(),
Instruction::Invoke, Name) {
Operands.reserve(3+params.size());
Operands.push_back(Use(Meth, this));
Operands.push_back(Use(IfNormal, this));
Operands.push_back(Use(IfException, this));
const MethodType *MTy =
cast<MethodType>(cast<PointerType>(Meth->getType())->getValueType());
const MethodType::ParamTypes &PL = MTy->getParamTypes();
assert((params.size() == PL.size()) ||
(MTy->isVarArg() && params.size() > PL.size()) &&
"Calling a function with bad signature");
for (unsigned i = 0; i < params.size(); i++)
Operands.push_back(Use(params[i], this));
}
InvokeInst::InvokeInst(const InvokeInst &CI)
: TerminatorInst(CI.getType(), Instruction::Invoke) {
Operands.reserve(CI.Operands.size());
for (unsigned i = 0; i < CI.Operands.size(); ++i)
Operands.push_back(Use(CI.Operands[i], this));
}