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//===-- IR/Statepoint.cpp -- gc.statepoint utilities --- -----------------===//
//
// The LLVM Compiler Infrastructure
//
// This file is distributed under the University of Illinois Open Source
// License. See LICENSE.TXT for details.
//
//===----------------------------------------------------------------------===//
//
//
//===----------------------------------------------------------------------===//
#include "llvm/IR/Function.h"
#include "llvm/IR/Constant.h"
#include "llvm/IR/Constants.h"
#include "llvm/IR/Statepoint.h"
#include "llvm/Support/CommandLine.h"
using namespace std;
using namespace llvm;
bool llvm::isStatepoint(const ImmutableCallSite &CS) {
if (!CS.getInstruction()) {
// This is not a call site
return false;
}
const Function *F = CS.getCalledFunction();
return (F && F->getIntrinsicID() == Intrinsic::experimental_gc_statepoint);
}
bool llvm::isStatepoint(const Value *inst) {
if (isa<InvokeInst>(inst) || isa<CallInst>(inst)) {
ImmutableCallSite CS(inst);
return isStatepoint(CS);
}
return false;
}
bool llvm::isStatepoint(const Value &inst) {
return isStatepoint(&inst);
}
bool llvm::isGCRelocate(const ImmutableCallSite &CS) {
return CS.getInstruction() && isa<GCRelocateInst>(CS.getInstruction());
}
bool llvm::isGCResult(const ImmutableCallSite &CS) {
if (!CS.getInstruction()) {
// This is not a call site
return false;
}
return isGCResult(CS.getInstruction());
}
bool llvm::isGCResult(const Value *inst) {
if (const CallInst *call = dyn_cast<CallInst>(inst)) {
if (Function *F = call->getCalledFunction()) {
return F->getIntrinsicID() == Intrinsic::experimental_gc_result;
}
}
return false;
}
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