1 files changed, 0 insertions, 63 deletions
diff --git a/contrib/llvm/lib/Transforms/Utils/GuardUtils.cpp b/contrib/llvm/lib/Transforms/Utils/GuardUtils.cpp
deleted file mode 100644
index 34c32d9c0c98..000000000000
--- a/contrib/llvm/lib/Transforms/Utils/GuardUtils.cpp
+++ /dev/null
@@ -1,63 +0,0 @@
-//===-- GuardUtils.cpp - Utils for work with guards -------------*- C++ -*-===//
-//
-// Part of the LLVM Project, under the Apache License v2.0 with LLVM Exceptions.
-// See https://llvm.org/LICENSE.txt for license information.
-// SPDX-License-Identifier: Apache-2.0 WITH LLVM-exception
-//
-//===----------------------------------------------------------------------===//
-// Utils that are used to perform transformations related to guards and their
-// conditions.
-//===----------------------------------------------------------------------===//
-
-#include "llvm/Transforms/Utils/GuardUtils.h"
-#include "llvm/IR/Function.h"
-#include "llvm/IR/Instructions.h"
-#include "llvm/IR/IRBuilder.h"
-#include "llvm/IR/MDBuilder.h"
-#include "llvm/Transforms/Utils/BasicBlockUtils.h"
-
-using namespace llvm;
-
-static cl::opt<uint32_t> PredicatePassBranchWeight(
-    "guards-predicate-pass-branch-weight", cl::Hidden, cl::init(1 << 20),
-    cl::desc("The probability of a guard failing is assumed to be the "
-             "reciprocal of this value (default = 1 << 20)"));
-
-void llvm::makeGuardControlFlowExplicit(Function *DeoptIntrinsic,
-                                        CallInst *Guard) {
-  OperandBundleDef DeoptOB(*Guard->getOperandBundle(LLVMContext::OB_deopt));
-  SmallVector<Value *, 4> Args(std::next(Guard->arg_begin()), Guard->arg_end());
-
-  auto *CheckBB = Guard->getParent();
-  auto *DeoptBlockTerm =
-      SplitBlockAndInsertIfThen(Guard->getArgOperand(0), Guard, true);
-
-  auto *CheckBI = cast<BranchInst>(CheckBB->getTerminator());
-
-  // SplitBlockAndInsertIfThen inserts control flow that branches to
-  // DeoptBlockTerm if the condition is true.  We want the opposite.
-  CheckBI->swapSuccessors();
-
-  CheckBI->getSuccessor(0)->setName("guarded");
-  CheckBI->getSuccessor(1)->setName("deopt");
-
-  if (auto *MD = Guard->getMetadata(LLVMContext::MD_make_implicit))
-    CheckBI->setMetadata(LLVMContext::MD_make_implicit, MD);
-
-  MDBuilder MDB(Guard->getContext());
-  CheckBI->setMetadata(LLVMContext::MD_prof,
-                       MDB.createBranchWeights(PredicatePassBranchWeight, 1));
-
-  IRBuilder<> B(DeoptBlockTerm);
-  auto *DeoptCall = B.CreateCall(DeoptIntrinsic, Args, {DeoptOB}, "");
-
-  if (DeoptIntrinsic->getReturnType()->isVoidTy()) {
-    B.CreateRetVoid();
-  } else {
-    DeoptCall->setName("deoptcall");
-    B.CreateRet(DeoptCall);
-  }
-
-  DeoptCall->setCallingConv(Guard->getCallingConv());
-  DeoptBlockTerm->eraseFromParent();
-}