Remove LLVM 8.0.1 files.

1 files changed, 0 insertions, 350 deletions

diff --git a/gnu/llvm/unittests/Transforms/Utils/ValueMapperTest.cpp b/gnu/llvm/unittests/Transforms/Utils/ValueMapperTest.cpp
deleted file mode 100644
index 94ac76bb076..00000000000
--- a/gnu/llvm/unittests/Transforms/Utils/ValueMapperTest.cpp
+++ /dev/null
@@ -1,350 +0,0 @@
-//===- ValueMapper.cpp - Unit tests for ValueMapper -----------------------===//
-//
-//                     The LLVM Compiler Infrastructure
-//
-// This file is distributed under the University of Illinois Open Source
-// License. See LICENSE.TXT for details.
-//
-//===----------------------------------------------------------------------===//
-
-#include "llvm/Transforms/Utils/ValueMapper.h"
-#include "llvm/IR/Constants.h"
-#include "llvm/IR/Function.h"
-#include "llvm/IR/GlobalVariable.h"
-#include "llvm/IR/LLVMContext.h"
-#include "llvm/IR/Metadata.h"
-#include "gtest/gtest.h"
-
-using namespace llvm;
-
-namespace {
-
-TEST(ValueMapperTest, mapMDNode) {
-  LLVMContext Context;
-  auto *U = MDTuple::get(Context, None);
-
-  // The node should be unchanged.
-  ValueToValueMapTy VM;
-  EXPECT_EQ(U, ValueMapper(VM).mapMDNode(*U));
-}
-
-TEST(ValueMapperTest, mapMDNodeCycle) {
-  LLVMContext Context;
-  MDNode *U0;
-  MDNode *U1;
-  {
-    Metadata *Ops[] = {nullptr};
-    auto T = MDTuple::getTemporary(Context, Ops);
-    Ops[0] = T.get();
-    U0 = MDTuple::get(Context, Ops);
-    T->replaceOperandWith(0, U0);
-    U1 = MDNode::replaceWithUniqued(std::move(T));
-    U0->resolveCycles();
-  }
-
-  EXPECT_TRUE(U0->isResolved());
-  EXPECT_TRUE(U0->isUniqued());
-  EXPECT_TRUE(U1->isResolved());
-  EXPECT_TRUE(U1->isUniqued());
-  EXPECT_EQ(U1, U0->getOperand(0));
-  EXPECT_EQ(U0, U1->getOperand(0));
-
-  // Cycles shouldn't be duplicated.
-  {
-    ValueToValueMapTy VM;
-    EXPECT_EQ(U0, ValueMapper(VM).mapMDNode(*U0));
-    EXPECT_EQ(U1, ValueMapper(VM).mapMDNode(*U1));
-  }
-
-  // Check the other order.
-  {
-    ValueToValueMapTy VM;
-    EXPECT_EQ(U1, ValueMapper(VM).mapMDNode(*U1));
-    EXPECT_EQ(U0, ValueMapper(VM).mapMDNode(*U0));
-  }
-}
-
-TEST(ValueMapperTest, mapMDNodeDuplicatedCycle) {
-  LLVMContext Context;
-  auto *PtrTy = Type::getInt8Ty(Context)->getPointerTo();
-  std::unique_ptr<GlobalVariable> G0 = llvm::make_unique<GlobalVariable>(
-      PtrTy, false, GlobalValue::ExternalLinkage, nullptr, "G0");
-  std::unique_ptr<GlobalVariable> G1 = llvm::make_unique<GlobalVariable>(
-      PtrTy, false, GlobalValue::ExternalLinkage, nullptr, "G1");
-
-  // Create a cycle that references G0.
-  MDNode *N0; // !0 = !{!1}
-  MDNode *N1; // !1 = !{!0, i8* @G0}
-  {
-    auto T0 = MDTuple::getTemporary(Context, nullptr);
-    Metadata *Ops1[] = {T0.get(), ConstantAsMetadata::get(G0.get())};
-    N1 = MDTuple::get(Context, Ops1);
-    T0->replaceOperandWith(0, N1);
-    N0 = MDNode::replaceWithUniqued(std::move(T0));
-  }
-
-  // Resolve N0 and N1.
-  ASSERT_FALSE(N0->isResolved());
-  ASSERT_FALSE(N1->isResolved());
-  N0->resolveCycles();
-  ASSERT_TRUE(N0->isResolved());
-  ASSERT_TRUE(N1->isResolved());
-
-  // Seed the value map to map G0 to G1 and map the nodes.  The output should
-  // have new nodes that reference G1 (instead of G0).
-  ValueToValueMapTy VM;
-  VM[G0.get()] = G1.get();
-  MDNode *MappedN0 = ValueMapper(VM).mapMDNode(*N0);
-  MDNode *MappedN1 = ValueMapper(VM).mapMDNode(*N1);
-  EXPECT_NE(N0, MappedN0);
-  EXPECT_NE(N1, MappedN1);
-  EXPECT_EQ(ConstantAsMetadata::get(G1.get()), MappedN1->getOperand(1));
-
-  // Check that the output nodes are resolved.
-  EXPECT_TRUE(MappedN0->isResolved());
-  EXPECT_TRUE(MappedN1->isResolved());
-}
-
-TEST(ValueMapperTest, mapMDNodeUnresolved) {
-  LLVMContext Context;
-  TempMDTuple T = MDTuple::getTemporary(Context, None);
-
-  ValueToValueMapTy VM;
-  EXPECT_EQ(T.get(), ValueMapper(VM, RF_NoModuleLevelChanges).mapMDNode(*T));
-}
-
-TEST(ValueMapperTest, mapMDNodeDistinct) {
-  LLVMContext Context;
-  auto *D = MDTuple::getDistinct(Context, None);
-
-  {
-    // The node should be cloned.
-    ValueToValueMapTy VM;
-    EXPECT_NE(D, ValueMapper(VM).mapMDNode(*D));
-  }
-  {
-    // The node should be moved.
-    ValueToValueMapTy VM;
-    EXPECT_EQ(D, ValueMapper(VM, RF_MoveDistinctMDs).mapMDNode(*D));
-  }
-}
-
-TEST(ValueMapperTest, mapMDNodeDistinctOperands) {
-  LLVMContext Context;
-  Metadata *Old = MDTuple::getDistinct(Context, None);
-  auto *D = MDTuple::getDistinct(Context, Old);
-  ASSERT_EQ(Old, D->getOperand(0));
-
-  Metadata *New = MDTuple::getDistinct(Context, None);
-  ValueToValueMapTy VM;
-  VM.MD()[Old].reset(New);
-
-  // Make sure operands are updated.
-  EXPECT_EQ(D, ValueMapper(VM, RF_MoveDistinctMDs).mapMDNode(*D));
-  EXPECT_EQ(New, D->getOperand(0));
-}
-
-TEST(ValueMapperTest, mapMDNodeSeeded) {
-  LLVMContext Context;
-  auto *D = MDTuple::getDistinct(Context, None);
-
-  // The node should be moved.
-  ValueToValueMapTy VM;
-  EXPECT_EQ(None, VM.getMappedMD(D));
-
-  VM.MD().insert(std::make_pair(D, TrackingMDRef(D)));
-  EXPECT_EQ(D, *VM.getMappedMD(D));
-  EXPECT_EQ(D, ValueMapper(VM).mapMDNode(*D));
-}
-
-TEST(ValueMapperTest, mapMDNodeSeededWithNull) {
-  LLVMContext Context;
-  auto *D = MDTuple::getDistinct(Context, None);
-
-  // The node should be moved.
-  ValueToValueMapTy VM;
-  EXPECT_EQ(None, VM.getMappedMD(D));
-
-  VM.MD().insert(std::make_pair(D, TrackingMDRef()));
-  EXPECT_EQ(nullptr, *VM.getMappedMD(D));
-  EXPECT_EQ(nullptr, ValueMapper(VM).mapMDNode(*D));
-}
-
-TEST(ValueMapperTest, mapMetadataNullMapGlobalWithIgnoreMissingLocals) {
-  LLVMContext C;
-  FunctionType *FTy =
-      FunctionType::get(Type::getVoidTy(C), Type::getInt8Ty(C), false);
-  std::unique_ptr<Function> F(
-      Function::Create(FTy, GlobalValue::ExternalLinkage, "F"));
-
-  ValueToValueMapTy VM;
-  RemapFlags Flags = RF_IgnoreMissingLocals | RF_NullMapMissingGlobalValues;
-  EXPECT_EQ(nullptr, ValueMapper(VM, Flags).mapValue(*F));
-}
-
-TEST(ValueMapperTest, mapMetadataMDString) {
-  LLVMContext C;
-  auto *S1 = MDString::get(C, "S1");
-  ValueToValueMapTy VM;
-
-  // Make sure S1 maps to itself, but isn't memoized.
-  EXPECT_EQ(S1, ValueMapper(VM).mapMetadata(*S1));
-  EXPECT_EQ(None, VM.getMappedMD(S1));
-
-  // We still expect VM.MD() to be respected.
-  auto *S2 = MDString::get(C, "S2");
-  VM.MD()[S1].reset(S2);
-  EXPECT_EQ(S2, ValueMapper(VM).mapMetadata(*S1));
-}
-
-TEST(ValueMapperTest, mapMetadataGetMappedMD) {
-  LLVMContext C;
-  auto *N0 = MDTuple::get(C, None);
-  auto *N1 = MDTuple::get(C, N0);
-
-  // Make sure hasMD and getMappedMD work correctly.
-  ValueToValueMapTy VM;
-  EXPECT_FALSE(VM.hasMD());
-  EXPECT_EQ(N0, ValueMapper(VM).mapMetadata(*N0));
-  EXPECT_EQ(N1, ValueMapper(VM).mapMetadata(*N1));
-  EXPECT_TRUE(VM.hasMD());
-  ASSERT_NE(None, VM.getMappedMD(N0));
-  ASSERT_NE(None, VM.getMappedMD(N1));
-  EXPECT_EQ(N0, *VM.getMappedMD(N0));
-  EXPECT_EQ(N1, *VM.getMappedMD(N1));
-}
-
-TEST(ValueMapperTest, mapMetadataNoModuleLevelChanges) {
-  LLVMContext C;
-  auto *N0 = MDTuple::get(C, None);
-  auto *N1 = MDTuple::get(C, N0);
-
-  // Nothing should be memoized when RF_NoModuleLevelChanges.
-  ValueToValueMapTy VM;
-  EXPECT_FALSE(VM.hasMD());
-  EXPECT_EQ(N0, ValueMapper(VM, RF_NoModuleLevelChanges).mapMetadata(*N0));
-  EXPECT_EQ(N1, ValueMapper(VM, RF_NoModuleLevelChanges).mapMetadata(*N1));
-  EXPECT_FALSE(VM.hasMD());
-  EXPECT_EQ(None, VM.getMappedMD(N0));
-  EXPECT_EQ(None, VM.getMappedMD(N1));
-}
-
-TEST(ValueMapperTest, mapMetadataConstantAsMetadata) {
-  LLVMContext C;
-  FunctionType *FTy =
-      FunctionType::get(Type::getVoidTy(C), Type::getInt8Ty(C), false);
-  std::unique_ptr<Function> F(
-      Function::Create(FTy, GlobalValue::ExternalLinkage, "F"));
-
-  auto *CAM = ConstantAsMetadata::get(F.get());
-  {
-    // ConstantAsMetadata shouldn't be memoized.
-    ValueToValueMapTy VM;
-    EXPECT_EQ(CAM, ValueMapper(VM).mapMetadata(*CAM));
-    EXPECT_FALSE(VM.MD().count(CAM));
-    EXPECT_EQ(CAM, ValueMapper(VM, RF_IgnoreMissingLocals).mapMetadata(*CAM));
-    EXPECT_FALSE(VM.MD().count(CAM));
-
-    // But it should respect a mapping that gets seeded.
-    auto *N = MDTuple::get(C, None);
-    VM.MD()[CAM].reset(N);
-    EXPECT_EQ(N, ValueMapper(VM).mapMetadata(*CAM));
-    EXPECT_EQ(N, ValueMapper(VM, RF_IgnoreMissingLocals).mapMetadata(*CAM));
-  }
-
-  std::unique_ptr<Function> F2(
-      Function::Create(FTy, GlobalValue::ExternalLinkage, "F2"));
-  ValueToValueMapTy VM;
-  VM[F.get()] = F2.get();
-  auto *F2MD = ValueMapper(VM).mapMetadata(*CAM);
-  EXPECT_FALSE(VM.MD().count(CAM));
-  EXPECT_TRUE(F2MD);
-  EXPECT_EQ(F2.get(), cast<ConstantAsMetadata>(F2MD)->getValue());
-}
-
-#ifdef GTEST_HAS_DEATH_TEST
-#ifndef NDEBUG
-TEST(ValueMapperTest, mapMetadataLocalAsMetadata) {
-  LLVMContext C;
-  FunctionType *FTy =
-      FunctionType::get(Type::getVoidTy(C), Type::getInt8Ty(C), false);
-  std::unique_ptr<Function> F(
-      Function::Create(FTy, GlobalValue::ExternalLinkage, "F"));
-  Argument &A = *F->arg_begin();
-
-  // mapMetadata doesn't support LocalAsMetadata.  The only valid container for
-  // LocalAsMetadata is a MetadataAsValue instance, so use it directly.
-  auto *LAM = LocalAsMetadata::get(&A);
-  ValueToValueMapTy VM;
-  EXPECT_DEATH(ValueMapper(VM).mapMetadata(*LAM), "Unexpected local metadata");
-  EXPECT_DEATH(ValueMapper(VM, RF_IgnoreMissingLocals).mapMetadata(*LAM),
-               "Unexpected local metadata");
-}
-#endif
-#endif
-
-TEST(ValueMapperTest, mapValueLocalAsMetadata) {
-  LLVMContext C;
-  FunctionType *FTy =
-      FunctionType::get(Type::getVoidTy(C), Type::getInt8Ty(C), false);
-  std::unique_ptr<Function> F(
-      Function::Create(FTy, GlobalValue::ExternalLinkage, "F"));
-  Argument &A = *F->arg_begin();
-
-  auto *LAM = LocalAsMetadata::get(&A);
-  auto *MAV = MetadataAsValue::get(C, LAM);
-
-  // The principled answer to a LocalAsMetadata of an unmapped SSA value would
-  // be to return nullptr (regardless of RF_IgnoreMissingLocals).
-  //
-  // However, algorithms that use RemapInstruction assume that each instruction
-  // only references SSA values from previous instructions.  Arguments of
-  // such as "metadata i32 %x" don't currently successfully maintain that
-  // property.  To keep RemapInstruction from crashing we need a non-null
-  // return here, but we also shouldn't reference the unmapped local.  Use
-  // "metadata !{}".
-  auto *N0 = MDTuple::get(C, None);
-  auto *N0AV = MetadataAsValue::get(C, N0);
-  ValueToValueMapTy VM;
-  EXPECT_EQ(N0AV, ValueMapper(VM).mapValue(*MAV));
-  EXPECT_EQ(nullptr, ValueMapper(VM, RF_IgnoreMissingLocals).mapValue(*MAV));
-  EXPECT_FALSE(VM.count(MAV));
-  EXPECT_FALSE(VM.count(&A));
-  EXPECT_EQ(None, VM.getMappedMD(LAM));
-
-  VM[MAV] = MAV;
-  EXPECT_EQ(MAV, ValueMapper(VM).mapValue(*MAV));
-  EXPECT_EQ(MAV, ValueMapper(VM, RF_IgnoreMissingLocals).mapValue(*MAV));
-  EXPECT_TRUE(VM.count(MAV));
-  EXPECT_FALSE(VM.count(&A));
-
-  VM[MAV] = &A;
-  EXPECT_EQ(&A, ValueMapper(VM).mapValue(*MAV));
-  EXPECT_EQ(&A, ValueMapper(VM, RF_IgnoreMissingLocals).mapValue(*MAV));
-  EXPECT_TRUE(VM.count(MAV));
-  EXPECT_FALSE(VM.count(&A));
-}
-
-TEST(ValueMapperTest, mapValueLocalAsMetadataToConstant) {
-  LLVMContext Context;
-  auto *Int8 = Type::getInt8Ty(Context);
-  FunctionType *FTy = FunctionType::get(Type::getVoidTy(Context), Int8, false);
-  std::unique_ptr<Function> F(
-      Function::Create(FTy, GlobalValue::ExternalLinkage, "F"));
-
-  // Map a local value to a constant.
-  Argument &A = *F->arg_begin();
-  Constant &C = *ConstantInt::get(Int8, 42);
-  ValueToValueMapTy VM;
-  VM[&A] = &C;
-
-  // Look up the metadata-as-value wrapper.  Don't crash.
-  auto *MDA = MetadataAsValue::get(Context, ValueAsMetadata::get(&A));
-  auto *MDC = MetadataAsValue::get(Context, ValueAsMetadata::get(&C));
-  EXPECT_TRUE(isa<LocalAsMetadata>(MDA->getMetadata()));
-  EXPECT_TRUE(isa<ConstantAsMetadata>(MDC->getMetadata()));
-  EXPECT_EQ(&C, ValueMapper(VM).mapValue(A));
-  EXPECT_EQ(MDC, ValueMapper(VM).mapValue(*MDA));
-}
-
-} // end namespace