Remove LLVM 8.0.1 files.

1 files changed, 0 insertions, 181 deletions

diff --git a/gnu/llvm/lib/Target/NVPTX/NVVMReflect.cpp b/gnu/llvm/lib/Target/NVPTX/NVVMReflect.cpp
deleted file mode 100644
index 64c262664fd..00000000000
--- a/gnu/llvm/lib/Target/NVPTX/NVVMReflect.cpp
+++ /dev/null
@@ -1,181 +0,0 @@
-//===- NVVMReflect.cpp - NVVM Emulate conditional compilation -------------===//
-//
-//                     The LLVM Compiler Infrastructure
-//
-// This file is distributed under the University of Illinois Open Source
-// License. See LICENSE.TXT for details.
-//
-//===----------------------------------------------------------------------===//
-//
-// This pass replaces occurrences of __nvvm_reflect("foo") and llvm.nvvm.reflect
-// with an integer.
-//
-// We choose the value we use by looking at metadata in the module itself.  Note
-// that we intentionally only have one way to choose these values, because other
-// parts of LLVM (particularly, InstCombineCall) rely on being able to predict
-// the values chosen by this pass.
-//
-// If we see an unknown string, we replace its call with 0.
-//
-//===----------------------------------------------------------------------===//
-
-#include "NVPTX.h"
-#include "llvm/ADT/SmallVector.h"
-#include "llvm/ADT/StringMap.h"
-#include "llvm/IR/Constants.h"
-#include "llvm/IR/DerivedTypes.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/IR/Type.h"
-#include "llvm/Pass.h"
-#include "llvm/Support/CommandLine.h"
-#include "llvm/Support/Debug.h"
-#include "llvm/Support/raw_os_ostream.h"
-#include "llvm/Support/raw_ostream.h"
-#include "llvm/Transforms/Scalar.h"
-#include <sstream>
-#include <string>
-#define NVVM_REFLECT_FUNCTION "__nvvm_reflect"
-
-using namespace llvm;
-
-#define DEBUG_TYPE "nvptx-reflect"
-
-namespace llvm { void initializeNVVMReflectPass(PassRegistry &); }
-
-namespace {
-class NVVMReflect : public FunctionPass {
-public:
-  static char ID;
-  unsigned int SmVersion;
-  NVVMReflect() : NVVMReflect(0) {}
-  explicit NVVMReflect(unsigned int Sm) : FunctionPass(ID), SmVersion(Sm) {
-    initializeNVVMReflectPass(*PassRegistry::getPassRegistry());
-  }
-
-  bool runOnFunction(Function &) override;
-};
-}
-
-FunctionPass *llvm::createNVVMReflectPass(unsigned int SmVersion) {
-  return new NVVMReflect(SmVersion);
-}
-
-static cl::opt<bool>
-NVVMReflectEnabled("nvvm-reflect-enable", cl::init(true), cl::Hidden,
-                   cl::desc("NVVM reflection, enabled by default"));
-
-char NVVMReflect::ID = 0;
-INITIALIZE_PASS(NVVMReflect, "nvvm-reflect",
-                "Replace occurrences of __nvvm_reflect() calls with 0/1", false,
-                false)
-
-bool NVVMReflect::runOnFunction(Function &F) {
-  if (!NVVMReflectEnabled)
-    return false;
-
-  if (F.getName() == NVVM_REFLECT_FUNCTION) {
-    assert(F.isDeclaration() && "_reflect function should not have a body");
-    assert(F.getReturnType()->isIntegerTy() &&
-           "_reflect's return type should be integer");
-    return false;
-  }
-
-  SmallVector<Instruction *, 4> ToRemove;
-
-  // Go through the calls in this function.  Each call to __nvvm_reflect or
-  // llvm.nvvm.reflect should be a CallInst with a ConstantArray argument.
-  // First validate that. If the c-string corresponding to the ConstantArray can
-  // be found successfully, see if it can be found in VarMap. If so, replace the
-  // uses of CallInst with the value found in VarMap. If not, replace the use
-  // with value 0.
-
-  // The IR for __nvvm_reflect calls differs between CUDA versions.
-  //
-  // CUDA 6.5 and earlier uses this sequence:
-  //    %ptr = tail call i8* @llvm.nvvm.ptr.constant.to.gen.p0i8.p4i8
-  //        (i8 addrspace(4)* getelementptr inbounds
-  //           ([8 x i8], [8 x i8] addrspace(4)* @str, i32 0, i32 0))
-  //    %reflect = tail call i32 @__nvvm_reflect(i8* %ptr)
-  //
-  // The value returned by Sym->getOperand(0) is a Constant with a
-  // ConstantDataSequential operand which can be converted to string and used
-  // for lookup.
-  //
-  // CUDA 7.0 does it slightly differently:
-  //   %reflect = call i32 @__nvvm_reflect(i8* addrspacecast
-  //        (i8 addrspace(1)* getelementptr inbounds
-  //           ([8 x i8], [8 x i8] addrspace(1)* @str, i32 0, i32 0) to i8*))
-  //
-  // In this case, we get a Constant with a GlobalVariable operand and we need
-  // to dig deeper to find its initializer with the string we'll use for lookup.
-  for (Instruction &I : instructions(F)) {
-    CallInst *Call = dyn_cast<CallInst>(&I);
-    if (!Call)
-      continue;
-    Function *Callee = Call->getCalledFunction();
-    if (!Callee || (Callee->getName() != NVVM_REFLECT_FUNCTION &&
-                    Callee->getIntrinsicID() != Intrinsic::nvvm_reflect))
-      continue;
-
-    // FIXME: Improve error handling here and elsewhere in this pass.
-    assert(Call->getNumOperands() == 2 &&
-           "Wrong number of operands to __nvvm_reflect function");
-
-    // In cuda 6.5 and earlier, we will have an extra constant-to-generic
-    // conversion of the string.
-    const Value *Str = Call->getArgOperand(0);
-    if (const CallInst *ConvCall = dyn_cast<CallInst>(Str)) {
-      // FIXME: Add assertions about ConvCall.
-      Str = ConvCall->getArgOperand(0);
-    }
-    assert(isa<ConstantExpr>(Str) &&
-           "Format of __nvvm__reflect function not recognized");
-    const ConstantExpr *GEP = cast<ConstantExpr>(Str);
-
-    const Value *Sym = GEP->getOperand(0);
-    assert(isa<Constant>(Sym) &&
-           "Format of __nvvm_reflect function not recognized");
-
-    const Value *Operand = cast<Constant>(Sym)->getOperand(0);
-    if (const GlobalVariable *GV = dyn_cast<GlobalVariable>(Operand)) {
-      // For CUDA-7.0 style __nvvm_reflect calls, we need to find the operand's
-      // initializer.
-      assert(GV->hasInitializer() &&
-             "Format of _reflect function not recognized");
-      const Constant *Initializer = GV->getInitializer();
-      Operand = Initializer;
-    }
-
-    assert(isa<ConstantDataSequential>(Operand) &&
-           "Format of _reflect function not recognized");
-    assert(cast<ConstantDataSequential>(Operand)->isCString() &&
-           "Format of _reflect function not recognized");
-
-    StringRef ReflectArg = cast<ConstantDataSequential>(Operand)->getAsString();
-    ReflectArg = ReflectArg.substr(0, ReflectArg.size() - 1);
-    LLVM_DEBUG(dbgs() << "Arg of _reflect : " << ReflectArg << "\n");
-
-    int ReflectVal = 0; // The default value is 0
-    if (ReflectArg == "__CUDA_FTZ") {
-      // Try to pull __CUDA_FTZ from the nvvm-reflect-ftz module flag.  Our
-      // choice here must be kept in sync with AutoUpgrade, which uses the same
-      // technique to detect whether ftz is enabled.
-      if (auto *Flag = mdconst::extract_or_null<ConstantInt>(
-              F.getParent()->getModuleFlag("nvvm-reflect-ftz")))
-        ReflectVal = Flag->getSExtValue();
-    } else if (ReflectArg == "__CUDA_ARCH") {
-      ReflectVal = SmVersion * 10;
-    }
-    Call->replaceAllUsesWith(ConstantInt::get(Call->getType(), ReflectVal));
-    ToRemove.push_back(Call);
-  }
-
-  for (Instruction *I : ToRemove)
-    I->eraseFromParent();
-
-  return ToRemove.size() > 0;
-}