vendor/llvm/llvm-trunk-r366426

1 files changed, 6 insertions, 109 deletions

diff --git a/lib/CodeGen/IntrinsicLowering.cpp b/lib/CodeGen/IntrinsicLowering.cpp
index 707113bd973b..8cbd8bcaeabb 100644
--- a/lib/CodeGen/IntrinsicLowering.cpp
+++ b/lib/CodeGen/IntrinsicLowering.cpp
@@ -1,9 +1,8 @@
 //===-- IntrinsicLowering.cpp - Intrinsic Lowering default implementation -===//
 //
-//                     The LLVM Compiler Infrastructure
-//
-// This file is distributed under the University of Illinois Open Source
-// License. See LICENSE.TXT for details.
+// 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
 //
 //===----------------------------------------------------------------------===//
 //
@@ -24,39 +23,6 @@
 #include "llvm/Support/raw_ostream.h"
 using namespace llvm;
 
-template <class ArgIt>
-static void EnsureFunctionExists(Module &M, const char *Name,
-                                 ArgIt ArgBegin, ArgIt ArgEnd,
-                                 Type *RetTy) {
-  // Insert a correctly-typed definition now.
-  std::vector<Type *> ParamTys;
-  for (ArgIt I = ArgBegin; I != ArgEnd; ++I)
-    ParamTys.push_back(I->getType());
-  M.getOrInsertFunction(Name, FunctionType::get(RetTy, ParamTys, false));
-}
-
-static void EnsureFPIntrinsicsExist(Module &M, Function &Fn,
-                                    const char *FName,
-                                    const char *DName, const char *LDName) {
-  // Insert definitions for all the floating point types.
-  switch((int)Fn.arg_begin()->getType()->getTypeID()) {
-  case Type::FloatTyID:
-    EnsureFunctionExists(M, FName, Fn.arg_begin(), Fn.arg_end(),
-                         Type::getFloatTy(M.getContext()));
-    break;
-  case Type::DoubleTyID:
-    EnsureFunctionExists(M, DName, Fn.arg_begin(), Fn.arg_end(),
-                         Type::getDoubleTy(M.getContext()));
-    break;
-  case Type::X86_FP80TyID:
-  case Type::FP128TyID:
-  case Type::PPC_FP128TyID:
-    EnsureFunctionExists(M, LDName, Fn.arg_begin(), Fn.arg_end(),
-                         Fn.arg_begin()->getType());
-    break;
-  }
-}
-
 /// This function is used when we want to lower an intrinsic call to a call of
 /// an external function. This handles hard cases such as when there was already
 /// a prototype for the external function, but that prototype doesn't match the
@@ -72,8 +38,8 @@ static CallInst *ReplaceCallWith(const char *NewFn, CallInst *CI,
   std::vector<Type *> ParamTys;
   for (ArgIt I = ArgBegin; I != ArgEnd; ++I)
     ParamTys.push_back((*I)->getType());
-  Constant* FCache = M->getOrInsertFunction(NewFn,
-                                  FunctionType::get(RetTy, ParamTys, false));
+  FunctionCallee FCache =
+      M->getOrInsertFunction(NewFn, FunctionType::get(RetTy, ParamTys, false));
 
   IRBuilder<> Builder(CI->getParent(), CI->getIterator());
   SmallVector<Value *, 8> Args(ArgBegin, ArgEnd);
@@ -92,75 +58,6 @@ static CallInst *ReplaceCallWith(const char *NewFn, CallInst *CI,
 #  define setjmp_undefined_for_msvc
 #endif
 
-void IntrinsicLowering::AddPrototypes(Module &M) {
-  LLVMContext &Context = M.getContext();
-  for (auto &F : M)
-    if (F.isDeclaration() && !F.use_empty())
-      switch (F.getIntrinsicID()) {
-      default: break;
-      case Intrinsic::setjmp:
-        EnsureFunctionExists(M, "setjmp", F.arg_begin(), F.arg_end(),
-                             Type::getInt32Ty(M.getContext()));
-        break;
-      case Intrinsic::longjmp:
-        EnsureFunctionExists(M, "longjmp", F.arg_begin(), F.arg_end(),
-                             Type::getVoidTy(M.getContext()));
-        break;
-      case Intrinsic::siglongjmp:
-        EnsureFunctionExists(M, "abort", F.arg_end(), F.arg_end(),
-                             Type::getVoidTy(M.getContext()));
-        break;
-      case Intrinsic::memcpy:
-        M.getOrInsertFunction("memcpy",
-          Type::getInt8PtrTy(Context),
-                              Type::getInt8PtrTy(Context),
-                              Type::getInt8PtrTy(Context),
-                              DL.getIntPtrType(Context));
-        break;
-      case Intrinsic::memmove:
-        M.getOrInsertFunction("memmove",
-          Type::getInt8PtrTy(Context),
-                              Type::getInt8PtrTy(Context),
-                              Type::getInt8PtrTy(Context),
-                              DL.getIntPtrType(Context));
-        break;
-      case Intrinsic::memset:
-        M.getOrInsertFunction("memset",
-          Type::getInt8PtrTy(Context),
-                              Type::getInt8PtrTy(Context),
-                              Type::getInt32Ty(M.getContext()),
-                              DL.getIntPtrType(Context));
-        break;
-      case Intrinsic::sqrt:
-        EnsureFPIntrinsicsExist(M, F, "sqrtf", "sqrt", "sqrtl");
-        break;
-      case Intrinsic::sin:
-        EnsureFPIntrinsicsExist(M, F, "sinf", "sin", "sinl");
-        break;
-      case Intrinsic::cos:
-        EnsureFPIntrinsicsExist(M, F, "cosf", "cos", "cosl");
-        break;
-      case Intrinsic::pow:
-        EnsureFPIntrinsicsExist(M, F, "powf", "pow", "powl");
-        break;
-      case Intrinsic::log:
-        EnsureFPIntrinsicsExist(M, F, "logf", "log", "logl");
-        break;
-      case Intrinsic::log2:
-        EnsureFPIntrinsicsExist(M, F, "log2f", "log2", "log2l");
-        break;
-      case Intrinsic::log10:
-        EnsureFPIntrinsicsExist(M, F, "log10f", "log10", "log10l");
-        break;
-      case Intrinsic::exp:
-        EnsureFPIntrinsicsExist(M, F, "expf", "exp", "expl");
-        break;
-      case Intrinsic::exp2:
-        EnsureFPIntrinsicsExist(M, F, "exp2f", "exp2", "exp2l");
-        break;
-      }
-}
-
 /// Emit the code to lower bswap of V before the specified instruction IP.
 static Value *LowerBSWAP(LLVMContext &Context, Value *V, Instruction *IP) {
   assert(V->getType()->isIntOrIntVectorTy() && "Can't bswap a non-integer type!");
@@ -601,7 +498,7 @@ bool IntrinsicLowering::LowerToByteSwap(CallInst *CI) {
 
   // Okay, we can do this xform, do so now.
   Module *M = CI->getModule();
-  Constant *Int = Intrinsic::getDeclaration(M, Intrinsic::bswap, Ty);
+  Function *Int = Intrinsic::getDeclaration(M, Intrinsic::bswap, Ty);
 
   Value *Op = CI->getArgOperand(0);
   Op = CallInst::Create(Int, Op, CI->getName(), CI);