mirror of
https://github.com/RPCS3/llvm-mirror.git
synced 2024-11-25 12:12:47 +01:00
cc12b285b6
This will currently accept the old number of bytes syntax, and convert it to a scalar. This should be removed in the near future (I think I converted all of the tests already, but likely missed a few). Not sure what the exact syntax and policy should be. We can continue printing the number of bytes for non-generic instructions to avoid test churn and only allow non-scalar types for generic instructions. This will currently print the LLT in parentheses, but accept parsing the existing integers and implicitly converting to scalar. The parentheses are a bit ugly, but the parser logic seems unable to deal without either parentheses or some keyword to indicate the start of a type.
482 lines
16 KiB
C++
482 lines
16 KiB
C++
//===- MachineInstrBundleIteratorTest.cpp ---------------------------------===//
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//
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// Part of the LLVM Project, under the Apache License v2.0 with LLVM Exceptions.
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// See https://llvm.org/LICENSE.txt for license information.
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// SPDX-License-Identifier: Apache-2.0 WITH LLVM-exception
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//
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//===----------------------------------------------------------------------===//
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#include "llvm/CodeGen/MIRParser/MIRParser.h"
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#include "llvm/CodeGen/MIRPrinter.h"
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#include "llvm/CodeGen/MachineFunction.h"
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#include "llvm/CodeGen/MachineMemOperand.h"
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#include "llvm/CodeGen/MachineModuleInfo.h"
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#include "llvm/CodeGen/MachineModuleSlotTracker.h"
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#include "llvm/CodeGen/MachineOperand.h"
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#include "llvm/CodeGen/TargetFrameLowering.h"
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#include "llvm/CodeGen/TargetInstrInfo.h"
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#include "llvm/CodeGen/TargetLowering.h"
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#include "llvm/CodeGen/TargetSubtargetInfo.h"
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#include "llvm/FileCheck/FileCheck.h"
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#include "llvm/IR/MDBuilder.h"
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#include "llvm/IR/ModuleSlotTracker.h"
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#include "llvm/MC/MCAsmInfo.h"
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#include "llvm/Support/SourceMgr.h"
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#include "llvm/Support/TargetRegistry.h"
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#include "llvm/Support/TargetSelect.h"
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#include "llvm/Target/TargetMachine.h"
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#include "gtest/gtest.h"
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using namespace llvm;
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class MachineMetadataTest : public testing::Test {
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public:
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MachineMetadataTest() {}
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protected:
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LLVMContext Context;
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std::unique_ptr<Module> M;
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std::unique_ptr<MIRParser> MIR;
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static void SetUpTestCase() {
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InitializeAllTargetInfos();
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InitializeAllTargets();
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InitializeAllTargetMCs();
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}
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void SetUp() override { M = std::make_unique<Module>("Dummy", Context); }
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void addHooks(ModuleSlotTracker &MST, const MachineOperand &MO) {
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// Setup hooks to assign slot numbers for the specified machine metadata.
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MST.setProcessHook([&MO](AbstractSlotTrackerStorage *AST, const Module *M,
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bool ShouldInitializeAllMetadata) {
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if (ShouldInitializeAllMetadata) {
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if (MO.isMetadata())
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AST->createMetadataSlot(MO.getMetadata());
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}
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});
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MST.setProcessHook([&MO](AbstractSlotTrackerStorage *AST, const Function *F,
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bool ShouldInitializeAllMetadata) {
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if (!ShouldInitializeAllMetadata) {
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if (MO.isMetadata())
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AST->createMetadataSlot(MO.getMetadata());
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}
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});
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}
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std::unique_ptr<LLVMTargetMachine>
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createTargetMachine(std::string TT, StringRef CPU, StringRef FS) {
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std::string Error;
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const Target *T = TargetRegistry::lookupTarget(TT, Error);
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if (!T)
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return nullptr;
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TargetOptions Options;
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return std::unique_ptr<LLVMTargetMachine>(static_cast<LLVMTargetMachine *>(
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T->createTargetMachine(TT, CPU, FS, Options, None, None)));
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}
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std::unique_ptr<Module> parseMIR(const TargetMachine &TM, StringRef MIRCode,
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const char *FnName, MachineModuleInfo &MMI) {
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SMDiagnostic Diagnostic;
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std::unique_ptr<MemoryBuffer> MBuffer = MemoryBuffer::getMemBuffer(MIRCode);
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MIR = createMIRParser(std::move(MBuffer), Context);
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if (!MIR)
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return nullptr;
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std::unique_ptr<Module> Mod = MIR->parseIRModule();
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if (!Mod)
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return nullptr;
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Mod->setDataLayout(TM.createDataLayout());
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if (MIR->parseMachineFunctions(*Mod, MMI)) {
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M.reset();
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return nullptr;
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}
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return Mod;
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}
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};
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// Helper to dump the printer output into a string.
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static std::string print(std::function<void(raw_ostream &OS)> PrintFn) {
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std::string Str;
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raw_string_ostream OS(Str);
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PrintFn(OS);
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OS.flush();
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return Str;
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}
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TEST_F(MachineMetadataTest, TrivialHook) {
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// Verify that post-process hook is invoked to assign slot numbers for
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// machine metadata.
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ASSERT_TRUE(M);
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// Create a MachineOperand with a metadata and print it.
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Metadata *MDS = MDString::get(Context, "foo");
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MDNode *Node = MDNode::get(Context, MDS);
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MachineOperand MO = MachineOperand::CreateMetadata(Node);
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// Checking some preconditions on the newly created
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// MachineOperand.
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ASSERT_TRUE(MO.isMetadata());
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ASSERT_EQ(MO.getMetadata(), Node);
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ModuleSlotTracker MST(M.get());
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addHooks(MST, MO);
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// Print a MachineOperand containing a metadata node.
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EXPECT_EQ("!0", print([&](raw_ostream &OS) {
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MO.print(OS, MST, LLT{}, /*OpIdx*/ ~0U, /*PrintDef=*/false,
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/*IsStandalone=*/false,
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/*ShouldPrintRegisterTies=*/false, /*TiedOperandIdx=*/0,
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/*TRI=*/nullptr,
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/*IntrinsicInfo=*/nullptr);
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}));
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// Print the definition of that metadata node.
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EXPECT_EQ("!0 = !{!\"foo\"}",
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print([&](raw_ostream &OS) { Node->print(OS, MST); }));
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}
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TEST_F(MachineMetadataTest, BasicHook) {
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// Verify that post-process hook is invoked to assign slot numbers for
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// machine metadata. When both LLVM IR and machine IR contain metadata,
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// ensure that machine metadata is always assigned after LLVM IR.
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ASSERT_TRUE(M);
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// Create a MachineOperand with a metadata and print it.
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Metadata *MachineMDS = MDString::get(Context, "foo");
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MDNode *MachineNode = MDNode::get(Context, MachineMDS);
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MachineOperand MO = MachineOperand::CreateMetadata(MachineNode);
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// Checking some preconditions on the newly created
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// MachineOperand.
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ASSERT_TRUE(MO.isMetadata());
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ASSERT_EQ(MO.getMetadata(), MachineNode);
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// Create metadata in LLVM IR.
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NamedMDNode *MD = M->getOrInsertNamedMetadata("namedmd");
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Metadata *MDS = MDString::get(Context, "bar");
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MDNode *Node = MDNode::get(Context, MDS);
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MD->addOperand(Node);
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ModuleSlotTracker MST(M.get());
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addHooks(MST, MO);
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// Print a MachineOperand containing a metadata node.
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EXPECT_EQ("!1", print([&](raw_ostream &OS) {
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MO.print(OS, MST, LLT{}, /*OpIdx*/ ~0U, /*PrintDef=*/false,
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/*IsStandalone=*/false,
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/*ShouldPrintRegisterTies=*/false, /*TiedOperandIdx=*/0,
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/*TRI=*/nullptr,
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/*IntrinsicInfo=*/nullptr);
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}));
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// Print the definition of these unnamed metadata nodes.
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EXPECT_EQ("!0 = !{!\"bar\"}",
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print([&](raw_ostream &OS) { Node->print(OS, MST); }));
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EXPECT_EQ("!1 = !{!\"foo\"}",
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print([&](raw_ostream &OS) { MachineNode->print(OS, MST); }));
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}
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static bool checkOutput(std::string CheckString, std::string Output) {
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auto CheckBuffer = MemoryBuffer::getMemBuffer(CheckString, "");
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auto OutputBuffer = MemoryBuffer::getMemBuffer(Output, "Output", false);
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SmallString<4096> CheckFileBuffer;
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FileCheckRequest Req;
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FileCheck FC(Req);
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StringRef CheckFileText =
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FC.CanonicalizeFile(*CheckBuffer.get(), CheckFileBuffer);
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SourceMgr SM;
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SM.AddNewSourceBuffer(MemoryBuffer::getMemBuffer(CheckFileText, "CheckFile"),
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SMLoc());
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Regex PrefixRE = FC.buildCheckPrefixRegex();
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if (FC.readCheckFile(SM, CheckFileText, PrefixRE))
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return false;
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auto OutBuffer = OutputBuffer->getBuffer();
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SM.AddNewSourceBuffer(std::move(OutputBuffer), SMLoc());
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return FC.checkInput(SM, OutBuffer);
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}
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TEST_F(MachineMetadataTest, MMSlotTrackerAArch64) {
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auto TM = createTargetMachine(Triple::normalize("aarch64--"), "", "");
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if (!TM)
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GTEST_SKIP();
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StringRef MIRString = R"MIR(
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--- |
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define i32 @test0(i32* %p) {
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%r = load i32, i32* %p, align 4
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ret i32 %r
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}
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...
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---
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name: test0
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liveins:
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- { reg: '$x0', virtual-reg: '%0' }
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body: |
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bb.0 (%ir-block.0):
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liveins: $x0
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%0:gpr64common = COPY $x0
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%1:gpr32 = LDRWui %0, 0 :: (load (s32) from %ir.p)
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...
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)MIR";
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MachineModuleInfo MMI(TM.get());
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M = parseMIR(*TM, MIRString, "test0", MMI);
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ASSERT_TRUE(M);
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auto *MF = MMI.getMachineFunction(*M->getFunction("test0"));
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auto *MBB = MF->getBlockNumbered(0);
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auto &MI = MBB->back();
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ASSERT_TRUE(MI.hasOneMemOperand());
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// Create and attached scoped AA metadata on that instruction with one MMO.
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MDBuilder MDB(Context);
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MDNode *Domain = MDB.createAnonymousAliasScopeDomain("domain");
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MDNode *Scope0 = MDB.createAnonymousAliasScope(Domain, "scope0");
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MDNode *Scope1 = MDB.createAnonymousAliasScope(Domain, "scope1");
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MDNode *Set0 = MDNode::get(Context, {Scope0});
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MDNode *Set1 = MDNode::get(Context, {Scope1});
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AAMDNodes AAInfo;
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AAInfo.TBAA = AAInfo.TBAAStruct = nullptr;
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AAInfo.Scope = Set0;
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AAInfo.NoAlias = Set1;
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auto *OldMMO = MI.memoperands().front();
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auto *NewMMO = MF->getMachineMemOperand(OldMMO, AAInfo);
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MI.setMemRefs(*MF, NewMMO);
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MachineModuleSlotTracker MST(MF);
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// Print that MI with new machine metadata, which slot numbers should be
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// assigned.
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EXPECT_EQ("%1:gpr32 = LDRWui %0, 0 :: (load (s32) from %ir.p, "
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"!alias.scope !0, !noalias !3)",
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print([&](raw_ostream &OS) {
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MI.print(OS, MST, /*IsStandalone=*/false, /*SkipOpers=*/false,
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/*SkipDebugLoc=*/false, /*AddNewLine=*/false);
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}));
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std::vector<const MDNode *> Generated{Domain, Scope0, Scope1, Set0, Set1};
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// Examine machine metadata collected. They should match ones
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// afore-generated.
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std::vector<const MDNode *> Collected;
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MachineModuleSlotTracker::MachineMDNodeListType MDList;
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MST.collectMachineMDNodes(MDList);
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for (auto &MD : MDList)
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Collected.push_back(MD.second);
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std::sort(Generated.begin(), Generated.end());
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std::sort(Collected.begin(), Collected.end());
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EXPECT_EQ(Collected, Generated);
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// FileCheck the output from MIR printer.
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std::string Output = print([&](raw_ostream &OS) { printMIR(OS, *MF); });
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std::string CheckString = R"(
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CHECK: machineMetadataNodes:
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CHECK-DAG: ![[MMDOMAIN:[0-9]+]] = distinct !{!{{[0-9]+}}, !"domain"}
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CHECK-DAG: ![[MMSCOPE0:[0-9]+]] = distinct !{!{{[0-9]+}}, ![[MMDOMAIN]], !"scope0"}
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CHECK-DAG: ![[MMSCOPE1:[0-9]+]] = distinct !{!{{[0-9]+}}, ![[MMDOMAIN]], !"scope1"}
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CHECK-DAG: ![[MMSET0:[0-9]+]] = !{![[MMSCOPE0]]}
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CHECK-DAG: ![[MMSET1:[0-9]+]] = !{![[MMSCOPE1]]}
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CHECK: body:
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CHECK: %1:gpr32 = LDRWui %0, 0 :: (load (s32) from %ir.p, !alias.scope ![[MMSET0]], !noalias ![[MMSET1]])
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)";
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EXPECT_TRUE(checkOutput(CheckString, Output));
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}
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TEST_F(MachineMetadataTest, MMSlotTrackerX64) {
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auto TM = createTargetMachine(Triple::normalize("x86_64--"), "", "");
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if (!TM)
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GTEST_SKIP();
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StringRef MIRString = R"MIR(
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--- |
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define i32 @test0(i32* %p) {
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%r = load i32, i32* %p, align 4
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ret i32 %r
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}
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...
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---
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name: test0
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liveins:
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- { reg: '$rdi', virtual-reg: '%0' }
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body: |
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bb.0 (%ir-block.0):
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liveins: $rdi
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%0:gr64 = COPY $rdi
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%1:gr32 = MOV32rm %0, 1, $noreg, 0, $noreg :: (load (s32) from %ir.p)
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...
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)MIR";
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MachineModuleInfo MMI(TM.get());
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M = parseMIR(*TM, MIRString, "test0", MMI);
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ASSERT_TRUE(M);
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auto *MF = MMI.getMachineFunction(*M->getFunction("test0"));
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auto *MBB = MF->getBlockNumbered(0);
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auto &MI = MBB->back();
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ASSERT_FALSE(MI.memoperands_empty());
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ASSERT_TRUE(MI.hasOneMemOperand());
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// Create and attached scoped AA metadata on that instruction with one MMO.
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MDBuilder MDB(Context);
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MDNode *Domain = MDB.createAnonymousAliasScopeDomain("domain");
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MDNode *Scope0 = MDB.createAnonymousAliasScope(Domain, "scope0");
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MDNode *Scope1 = MDB.createAnonymousAliasScope(Domain, "scope1");
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MDNode *Set0 = MDNode::get(Context, {Scope0});
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MDNode *Set1 = MDNode::get(Context, {Scope1});
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AAMDNodes AAInfo;
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AAInfo.TBAA = AAInfo.TBAAStruct = nullptr;
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AAInfo.Scope = Set0;
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AAInfo.NoAlias = Set1;
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auto *OldMMO = MI.memoperands().front();
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auto *NewMMO = MF->getMachineMemOperand(OldMMO, AAInfo);
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MI.setMemRefs(*MF, NewMMO);
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MachineModuleSlotTracker MST(MF);
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// Print that MI with new machine metadata, which slot numbers should be
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// assigned.
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EXPECT_EQ("%1:gr32 = MOV32rm %0, 1, $noreg, 0, $noreg :: (load (s32) from %ir.p, "
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"!alias.scope !0, !noalias !3)",
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print([&](raw_ostream &OS) {
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MI.print(OS, MST, /*IsStandalone=*/false, /*SkipOpers=*/false,
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/*SkipDebugLoc=*/false, /*AddNewLine=*/false);
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}));
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std::vector<const MDNode *> Generated{Domain, Scope0, Scope1, Set0, Set1};
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// Examine machine metadata collected. They should match ones
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// afore-generated.
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std::vector<const MDNode *> Collected;
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MachineModuleSlotTracker::MachineMDNodeListType MDList;
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MST.collectMachineMDNodes(MDList);
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for (auto &MD : MDList)
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Collected.push_back(MD.second);
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std::sort(Generated.begin(), Generated.end());
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std::sort(Collected.begin(), Collected.end());
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EXPECT_EQ(Collected, Generated);
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// FileCheck the output from MIR printer.
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std::string Output = print([&](raw_ostream &OS) { printMIR(OS, *MF); });
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std::string CheckString = R"(
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CHECK: machineMetadataNodes:
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CHECK-DAG: ![[MMDOMAIN:[0-9]+]] = distinct !{!{{[0-9]+}}, !"domain"}
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CHECK-DAG: ![[MMSCOPE0:[0-9]+]] = distinct !{!{{[0-9]+}}, ![[MMDOMAIN]], !"scope0"}
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CHECK-DAG: ![[MMSCOPE1:[0-9]+]] = distinct !{!{{[0-9]+}}, ![[MMDOMAIN]], !"scope1"}
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CHECK-DAG: ![[MMSET0:[0-9]+]] = !{![[MMSCOPE0]]}
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CHECK-DAG: ![[MMSET1:[0-9]+]] = !{![[MMSCOPE1]]}
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CHECK: body:
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CHECK: %1:gr32 = MOV32rm %0, 1, $noreg, 0, $noreg :: (load (s32) from %ir.p, !alias.scope ![[MMSET0]], !noalias ![[MMSET1]])
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)";
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EXPECT_TRUE(checkOutput(CheckString, Output));
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}
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TEST_F(MachineMetadataTest, MMSlotTrackerAMDGPU) {
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auto TM = createTargetMachine(Triple::normalize("amdgcn-amd-amdhsa"),
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"gfx1010", "");
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if (!TM)
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GTEST_SKIP();
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StringRef MIRString = R"MIR(
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--- |
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define i32 @test0(i32* %p) {
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%r = load i32, i32* %p, align 4
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ret i32 %r
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}
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...
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---
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name: test0
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liveins:
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- { reg: '$vgpr0', virtual-reg: '%0' }
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- { reg: '$vgpr1', virtual-reg: '%1' }
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- { reg: '$sgpr30_sgpr31', virtual-reg: '%2' }
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body: |
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bb.0 (%ir-block.0):
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liveins: $vgpr0, $vgpr1, $sgpr30_sgpr31
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%2:sreg_64 = COPY $sgpr30_sgpr31
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%1:vgpr_32 = COPY $vgpr1
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%0:vgpr_32 = COPY $vgpr0
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%8:vreg_64 = REG_SEQUENCE %0, %subreg.sub0, %1, %subreg.sub1
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%6:vreg_64 = COPY %8
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%5:vgpr_32 = FLAT_LOAD_DWORD killed %6, 0, 0, implicit $exec, implicit $flat_scr :: (load (s32) from %ir.p)
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...
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)MIR";
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MachineModuleInfo MMI(TM.get());
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M = parseMIR(*TM, MIRString, "test0", MMI);
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ASSERT_TRUE(M);
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auto *MF = MMI.getMachineFunction(*M->getFunction("test0"));
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auto *MBB = MF->getBlockNumbered(0);
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auto &MI = MBB->back();
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ASSERT_FALSE(MI.memoperands_empty());
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ASSERT_TRUE(MI.hasOneMemOperand());
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// Create and attached scoped AA metadata on that instruction with one MMO.
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MDBuilder MDB(Context);
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MDNode *Domain = MDB.createAnonymousAliasScopeDomain("domain");
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MDNode *Scope0 = MDB.createAnonymousAliasScope(Domain, "scope0");
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MDNode *Scope1 = MDB.createAnonymousAliasScope(Domain, "scope1");
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MDNode *Set0 = MDNode::get(Context, {Scope0});
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MDNode *Set1 = MDNode::get(Context, {Scope1});
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AAMDNodes AAInfo;
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AAInfo.TBAA = AAInfo.TBAAStruct = nullptr;
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AAInfo.Scope = Set0;
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AAInfo.NoAlias = Set1;
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auto *OldMMO = MI.memoperands().front();
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auto *NewMMO = MF->getMachineMemOperand(OldMMO, AAInfo);
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|
MI.setMemRefs(*MF, NewMMO);
|
|
|
|
MachineModuleSlotTracker MST(MF);
|
|
// Print that MI with new machine metadata, which slot numbers should be
|
|
// assigned.
|
|
EXPECT_EQ(
|
|
"%5:vgpr_32 = FLAT_LOAD_DWORD killed %4, 0, 0, implicit $exec, implicit "
|
|
"$flat_scr :: (load (s32) from %ir.p, !alias.scope !0, !noalias !3)",
|
|
print([&](raw_ostream &OS) {
|
|
MI.print(OS, MST, /*IsStandalone=*/false, /*SkipOpers=*/false,
|
|
/*SkipDebugLoc=*/false, /*AddNewLine=*/false);
|
|
}));
|
|
|
|
std::vector<const MDNode *> Generated{Domain, Scope0, Scope1, Set0, Set1};
|
|
// Examine machine metadata collected. They should match ones
|
|
// afore-generated.
|
|
std::vector<const MDNode *> Collected;
|
|
MachineModuleSlotTracker::MachineMDNodeListType MDList;
|
|
MST.collectMachineMDNodes(MDList);
|
|
for (auto &MD : MDList)
|
|
Collected.push_back(MD.second);
|
|
|
|
std::sort(Generated.begin(), Generated.end());
|
|
std::sort(Collected.begin(), Collected.end());
|
|
EXPECT_EQ(Collected, Generated);
|
|
|
|
// FileCheck the output from MIR printer.
|
|
std::string Output = print([&](raw_ostream &OS) { printMIR(OS, *MF); });
|
|
std::string CheckString = R"(
|
|
CHECK: machineMetadataNodes:
|
|
CHECK-DAG: ![[MMDOMAIN:[0-9]+]] = distinct !{!{{[0-9]+}}, !"domain"}
|
|
CHECK-DAG: ![[MMSCOPE0:[0-9]+]] = distinct !{!{{[0-9]+}}, ![[MMDOMAIN]], !"scope0"}
|
|
CHECK-DAG: ![[MMSCOPE1:[0-9]+]] = distinct !{!{{[0-9]+}}, ![[MMDOMAIN]], !"scope1"}
|
|
CHECK-DAG: ![[MMSET0:[0-9]+]] = !{![[MMSCOPE0]]}
|
|
CHECK-DAG: ![[MMSET1:[0-9]+]] = !{![[MMSCOPE1]]}
|
|
CHECK: body:
|
|
CHECK: %5:vgpr_32 = FLAT_LOAD_DWORD killed %4, 0, 0, implicit $exec, implicit $flat_scr :: (load (s32) from %ir.p, !alias.scope ![[MMSET0]], !noalias ![[MMSET1]])
|
|
)";
|
|
EXPECT_TRUE(checkOutput(CheckString, Output));
|
|
}
|