1 files changed, 0 insertions, 90 deletions
diff --git a/gnu/llvm/lib/Transforms/Scalar/LowerGuardIntrinsic.cpp b/gnu/llvm/lib/Transforms/Scalar/LowerGuardIntrinsic.cpp
deleted file mode 100644
index 4867b33d671..00000000000
--- a/gnu/llvm/lib/Transforms/Scalar/LowerGuardIntrinsic.cpp
+++ /dev/null
@@ -1,90 +0,0 @@
-//===- LowerGuardIntrinsic.cpp - Lower the guard intrinsic ---------------===//
-//
-//                     The LLVM Compiler Infrastructure
-//
-// This file is distributed under the University of Illinois Open Source
-// License. See LICENSE.TXT for details.
-//
-//===----------------------------------------------------------------------===//
-//
-// This pass lowers the llvm.experimental.guard intrinsic to a conditional call
-// to @llvm.experimental.deoptimize.  Once this happens, the guard can no longer
-// be widened.
-//
-//===----------------------------------------------------------------------===//
-
-#include "llvm/Transforms/Scalar/LowerGuardIntrinsic.h"
-#include "llvm/ADT/SmallVector.h"
-#include "llvm/Analysis/GuardUtils.h"
-#include "llvm/IR/BasicBlock.h"
-#include "llvm/IR/Function.h"
-#include "llvm/IR/InstIterator.h"
-#include "llvm/IR/Instructions.h"
-#include "llvm/IR/Intrinsics.h"
-#include "llvm/IR/Module.h"
-#include "llvm/Pass.h"
-#include "llvm/Transforms/Scalar.h"
-#include "llvm/Transforms/Utils/GuardUtils.h"
-
-using namespace llvm;
-
-namespace {
-struct LowerGuardIntrinsicLegacyPass : public FunctionPass {
-  static char ID;
-  LowerGuardIntrinsicLegacyPass() : FunctionPass(ID) {
-    initializeLowerGuardIntrinsicLegacyPassPass(
-        *PassRegistry::getPassRegistry());
-  }
-
-  bool runOnFunction(Function &F) override;
-};
-}
-
-static bool lowerGuardIntrinsic(Function &F) {
-  // Check if we can cheaply rule out the possibility of not having any work to
-  // do.
-  auto *GuardDecl = F.getParent()->getFunction(
-      Intrinsic::getName(Intrinsic::experimental_guard));
-  if (!GuardDecl || GuardDecl->use_empty())
-    return false;
-
-  SmallVector<CallInst *, 8> ToLower;
-  for (auto &I : instructions(F))
-    if (isGuard(&I))
-      ToLower.push_back(cast<CallInst>(&I));
-
-  if (ToLower.empty())
-    return false;
-
-  auto *DeoptIntrinsic = Intrinsic::getDeclaration(
-      F.getParent(), Intrinsic::experimental_deoptimize, {F.getReturnType()});
-  DeoptIntrinsic->setCallingConv(GuardDecl->getCallingConv());
-
-  for (auto *CI : ToLower) {
-    makeGuardControlFlowExplicit(DeoptIntrinsic, CI);
-    CI->eraseFromParent();
-  }
-
-  return true;
-}
-
-bool LowerGuardIntrinsicLegacyPass::runOnFunction(Function &F) {
-  return lowerGuardIntrinsic(F);
-}
-
-char LowerGuardIntrinsicLegacyPass::ID = 0;
-INITIALIZE_PASS(LowerGuardIntrinsicLegacyPass, "lower-guard-intrinsic",
-                "Lower the guard intrinsic to normal control flow", false,
-                false)
-
-Pass *llvm::createLowerGuardIntrinsicPass() {
-  return new LowerGuardIntrinsicLegacyPass();
-}
-
-PreservedAnalyses LowerGuardIntrinsicPass::run(Function &F,
-                                               FunctionAnalysisManager &AM) {
-  if (lowerGuardIntrinsic(F))
-    return PreservedAnalyses::none();
-
-  return PreservedAnalyses::all();
-}