Imported Upstream version 5.18.0.247

Former-commit-id: 2d6af2e4ed0eda5cbdc2946446ef7718456ad190

external/llvm/lib/IR/Statepoint.cpp

@@ -1,87 +0,0 @@
-//===-- 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.
-//
-//===----------------------------------------------------------------------===//
-//
-// This file contains some utility functions to help recognize gc.statepoint
-// intrinsics.
-//
-//===----------------------------------------------------------------------===//
-
-#include "llvm/IR/Statepoint.h"
-
-#include "llvm/IR/Function.h"
-
-using namespace llvm;
-
-static const Function *getCalledFunction(ImmutableCallSite CS) {
-  if (!CS.getInstruction())
-    return nullptr;
-  return CS.getCalledFunction();
-}
-
-bool llvm::isStatepoint(ImmutableCallSite CS) {
-  if (auto *F = getCalledFunction(CS))
-    return F->getIntrinsicID() == Intrinsic::experimental_gc_statepoint;
-  return false;
-}
-
-bool llvm::isStatepoint(const Value *V) {
-  if (auto CS = ImmutableCallSite(V))
-    return isStatepoint(CS);
-  return false;
-}
-
-bool llvm::isStatepoint(const Value &V) {
-  return isStatepoint(&V);
-}
-
-bool llvm::isGCRelocate(ImmutableCallSite CS) {
-  return CS.getInstruction() && isa<GCRelocateInst>(CS.getInstruction());
-}
-
-bool llvm::isGCRelocate(const Value *V) {
-  if (auto CS = ImmutableCallSite(V))
-    return isGCRelocate(CS);
-  return false;
-}
-
-bool llvm::isGCResult(ImmutableCallSite CS) {
-  return CS.getInstruction() && isa<GCResultInst>(CS.getInstruction());
-}
-
-bool llvm::isGCResult(const Value *V) {
-  if (auto CS = ImmutableCallSite(V))
-    return isGCResult(CS);
-  return false;
-}
-
-bool llvm::isStatepointDirectiveAttr(Attribute Attr) {
-  return Attr.hasAttribute("statepoint-id") ||
-         Attr.hasAttribute("statepoint-num-patch-bytes");
-}
-
-StatepointDirectives
-llvm::parseStatepointDirectivesFromAttrs(AttributeList AS) {
-  StatepointDirectives Result;
-
-  Attribute AttrID =
-      AS.getAttribute(AttributeList::FunctionIndex, "statepoint-id");
-  uint64_t StatepointID;
-  if (AttrID.isStringAttribute())
-    if (!AttrID.getValueAsString().getAsInteger(10, StatepointID))
-      Result.StatepointID = StatepointID;
-
-  uint32_t NumPatchBytes;
-  Attribute AttrNumPatchBytes = AS.getAttribute(AttributeList::FunctionIndex,
-                                                "statepoint-num-patch-bytes");
-  if (AttrNumPatchBytes.isStringAttribute())
-    if (!AttrNumPatchBytes.getValueAsString().getAsInteger(10, NumPatchBytes))
-      Result.NumPatchBytes = NumPatchBytes;
-
-  return Result;
-}