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