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	Specifically, gc.result benefits from this greatly. Instead of: gc.result.int.* gc.result.float.* gc.result.ptr.* ... We now have a gc.result.* that can specialize to literally any type. Differential Revision: http://reviews.llvm.org/D7020 git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@226857 91177308-0d34-0410-b5e6-96231b3b80d8
		
			
				
	
	
		
			63 lines
		
	
	
		
			2.0 KiB
		
	
	
	
		
			C++
		
	
	
	
	
	
			
		
		
	
	
			63 lines
		
	
	
		
			2.0 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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  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 Instruction *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 Instruction &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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  return isGCRelocate(CS.getInstruction());
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}
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bool llvm::isGCRelocate(const Instruction *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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  return isGCResult(CS.getInstruction());
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}
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bool llvm::isGCResult(const Instruction *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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