Files
RedBear-OS/local/recipes/dev/libclc/source/llvm/unittests/CodeGen/MachineInstrTest.cpp
T
vasilito cb424d7448 build: static patch-sanity linter (shift-left the malformed-patch class)
verify-patch-sanity.py validates every active recipe .patch has internally-
consistent hunk line counts — catching the 'malformed patch at line N' failure
at commit/CI/preflight time instead of hours into a cook. This cycle hit that
class three times (qtwaylandscanner, sddm, xwayland), each only discovered when
cookbook tried to apply the patch.

Running it across the repo found 29 latent malformed patches (validated against
GNU patch: e.g. relibc/P3-sysv-ipc reproduces 'malformed patch at line 22').
They were harmless only because they sit in vendored recipes (baked, not re-
applied) — but would fail on any version-bump re-derivation. --fix recounts the
hunk headers (body untouched) and repaired all 29.

Wired into build-preflight.sh (Phase 1.0D) and redbear-ci.yml, with a unit test
(test-patch-sanity.sh). Skips archived/legacy trees and unvalidatable formats
(empty placeholders, bare-@@ git hunks).
2026-08-01 05:13:02 +03:00

617 lines
23 KiB
C++

//===- MachineInstrTest.cpp -----------------------------------------------===//
//
// 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
//
//===----------------------------------------------------------------------===//
#include "llvm/CodeGen/MachineInstr.h"
#include "llvm/CodeGen/CodeGenTargetMachineImpl.h"
#include "llvm/CodeGen/MachineBasicBlock.h"
#include "llvm/CodeGen/MachineFunction.h"
#include "llvm/CodeGen/MachineInstrBuilder.h"
#include "llvm/CodeGen/MachineMemOperand.h"
#include "llvm/CodeGen/MachineModuleInfo.h"
#include "llvm/CodeGen/TargetFrameLowering.h"
#include "llvm/CodeGen/TargetInstrInfo.h"
#include "llvm/CodeGen/TargetLowering.h"
#include "llvm/CodeGen/TargetSubtargetInfo.h"
#include "llvm/IR/DebugInfoMetadata.h"
#include "llvm/IR/IRBuilder.h"
#include "llvm/IR/MemoryModelRelaxationAnnotations.h"
#include "llvm/IR/Module.h"
#include "llvm/IR/ModuleSlotTracker.h"
#include "llvm/MC/MCAsmInfo.h"
#include "llvm/MC/MCSymbol.h"
#include "llvm/MC/TargetRegistry.h"
#include "llvm/Support/TargetSelect.h"
#include "llvm/Target/TargetOptions.h"
#include "llvm/TargetParser/Triple.h"
#include "gmock/gmock.h"
#include "gtest/gtest.h"
using namespace llvm;
namespace {
// Include helper functions to ease the manipulation of MachineFunctions.
#include "MFCommon.inc"
std::unique_ptr<MCContext> createMCContext(MCAsmInfo *AsmInfo) {
Triple TheTriple(/*ArchStr=*/"", /*VendorStr=*/"", /*OSStr=*/"",
/*EnvironmentStr=*/"elf");
return std::make_unique<MCContext>(TheTriple, AsmInfo, nullptr, nullptr,
nullptr, nullptr, false);
}
// This test makes sure that MachineInstr::isIdenticalTo handles Defs correctly
// for various combinations of IgnoreDefs, and also that it is symmetrical.
TEST(IsIdenticalToTest, DifferentDefs) {
LLVMContext Ctx;
Module Mod("Module", Ctx);
auto MF = createMachineFunction(Ctx, Mod);
unsigned short NumOps = 2;
unsigned char NumDefs = 1;
struct {
MCInstrDesc MCID;
MCOperandInfo OpInfo[2];
} Table = {
{0, NumOps, NumDefs, 0, 0, 0, 0, 0, 0, 1ULL << MCID::HasOptionalDef, 0},
{{0, 0, MCOI::OPERAND_REGISTER, 0},
{0, 1 << MCOI::OptionalDef, MCOI::OPERAND_REGISTER, 0}}};
// Create two MIs with different virtual reg defs and the same uses.
unsigned VirtualDef1 = -42; // The value doesn't matter, but the sign does.
unsigned VirtualDef2 = -43;
unsigned VirtualUse = -44;
auto MI1 = MF->CreateMachineInstr(Table.MCID, DebugLoc());
MI1->addOperand(*MF, MachineOperand::CreateReg(VirtualDef1, /*isDef*/ true));
MI1->addOperand(*MF, MachineOperand::CreateReg(VirtualUse, /*isDef*/ false));
auto MI2 = MF->CreateMachineInstr(Table.MCID, DebugLoc());
MI2->addOperand(*MF, MachineOperand::CreateReg(VirtualDef2, /*isDef*/ true));
MI2->addOperand(*MF, MachineOperand::CreateReg(VirtualUse, /*isDef*/ false));
// Check that they are identical when we ignore virtual register defs, but not
// when we check defs.
ASSERT_FALSE(MI1->isIdenticalTo(*MI2, MachineInstr::CheckDefs));
ASSERT_FALSE(MI2->isIdenticalTo(*MI1, MachineInstr::CheckDefs));
ASSERT_TRUE(MI1->isIdenticalTo(*MI2, MachineInstr::IgnoreVRegDefs));
ASSERT_TRUE(MI2->isIdenticalTo(*MI1, MachineInstr::IgnoreVRegDefs));
// Create two MIs with different virtual reg defs, and a def or use of a
// sentinel register.
unsigned SentinelReg = 0;
auto MI3 = MF->CreateMachineInstr(Table.MCID, DebugLoc());
MI3->addOperand(*MF, MachineOperand::CreateReg(VirtualDef1, /*isDef*/ true));
MI3->addOperand(*MF, MachineOperand::CreateReg(SentinelReg, /*isDef*/ true));
auto MI4 = MF->CreateMachineInstr(Table.MCID, DebugLoc());
MI4->addOperand(*MF, MachineOperand::CreateReg(VirtualDef2, /*isDef*/ true));
MI4->addOperand(*MF, MachineOperand::CreateReg(SentinelReg, /*isDef*/ false));
// Check that they are never identical.
ASSERT_FALSE(MI3->isIdenticalTo(*MI4, MachineInstr::CheckDefs));
ASSERT_FALSE(MI4->isIdenticalTo(*MI3, MachineInstr::CheckDefs));
ASSERT_FALSE(MI3->isIdenticalTo(*MI4, MachineInstr::IgnoreVRegDefs));
ASSERT_FALSE(MI4->isIdenticalTo(*MI3, MachineInstr::IgnoreVRegDefs));
}
// Check that MachineInstrExpressionTrait::isEqual is symmetric and in sync with
// MachineInstrExpressionTrait::getHashValue
void checkHashAndIsEqualMatch(MachineInstr *MI1, MachineInstr *MI2) {
bool IsEqual1 = MachineInstrExpressionTrait::isEqual(MI1, MI2);
bool IsEqual2 = MachineInstrExpressionTrait::isEqual(MI2, MI1);
ASSERT_EQ(IsEqual1, IsEqual2);
auto Hash1 = MachineInstrExpressionTrait::getHashValue(MI1);
auto Hash2 = MachineInstrExpressionTrait::getHashValue(MI2);
ASSERT_EQ(IsEqual1, Hash1 == Hash2);
}
// This test makes sure that MachineInstrExpressionTraits::isEqual is in sync
// with MachineInstrExpressionTraits::getHashValue.
TEST(MachineInstrExpressionTraitTest, IsEqualAgreesWithGetHashValue) {
LLVMContext Ctx;
Module Mod("Module", Ctx);
auto MF = createMachineFunction(Ctx, Mod);
unsigned short NumOps = 2;
unsigned char NumDefs = 1;
struct {
MCInstrDesc MCID;
MCOperandInfo OpInfo[2];
} Table = {
{0, NumOps, NumDefs, 0, 0, 0, 0, 0, 0, 1ULL << MCID::HasOptionalDef, 0},
{{0, 0, MCOI::OPERAND_REGISTER, 0},
{0, 1 << MCOI::OptionalDef, MCOI::OPERAND_REGISTER, 0}}};
// Define a series of instructions with different kinds of operands and make
// sure that the hash function is consistent with isEqual for various
// combinations of them.
unsigned VirtualDef1 = -42;
unsigned VirtualDef2 = -43;
unsigned VirtualReg = -44;
unsigned SentinelReg = 0;
unsigned PhysicalReg = 45;
auto VD1VU = MF->CreateMachineInstr(Table.MCID, DebugLoc());
VD1VU->addOperand(*MF,
MachineOperand::CreateReg(VirtualDef1, /*isDef*/ true));
VD1VU->addOperand(*MF,
MachineOperand::CreateReg(VirtualReg, /*isDef*/ false));
auto VD2VU = MF->CreateMachineInstr(Table.MCID, DebugLoc());
VD2VU->addOperand(*MF,
MachineOperand::CreateReg(VirtualDef2, /*isDef*/ true));
VD2VU->addOperand(*MF,
MachineOperand::CreateReg(VirtualReg, /*isDef*/ false));
auto VD1SU = MF->CreateMachineInstr(Table.MCID, DebugLoc());
VD1SU->addOperand(*MF,
MachineOperand::CreateReg(VirtualDef1, /*isDef*/ true));
VD1SU->addOperand(*MF,
MachineOperand::CreateReg(SentinelReg, /*isDef*/ false));
auto VD1SD = MF->CreateMachineInstr(Table.MCID, DebugLoc());
VD1SD->addOperand(*MF,
MachineOperand::CreateReg(VirtualDef1, /*isDef*/ true));
VD1SD->addOperand(*MF,
MachineOperand::CreateReg(SentinelReg, /*isDef*/ true));
auto VD2PU = MF->CreateMachineInstr(Table.MCID, DebugLoc());
VD2PU->addOperand(*MF,
MachineOperand::CreateReg(VirtualDef2, /*isDef*/ true));
VD2PU->addOperand(*MF,
MachineOperand::CreateReg(PhysicalReg, /*isDef*/ false));
auto VD2PD = MF->CreateMachineInstr(Table.MCID, DebugLoc());
VD2PD->addOperand(*MF,
MachineOperand::CreateReg(VirtualDef2, /*isDef*/ true));
VD2PD->addOperand(*MF,
MachineOperand::CreateReg(PhysicalReg, /*isDef*/ true));
checkHashAndIsEqualMatch(VD1VU, VD2VU);
checkHashAndIsEqualMatch(VD1VU, VD1SU);
checkHashAndIsEqualMatch(VD1VU, VD1SD);
checkHashAndIsEqualMatch(VD1VU, VD2PU);
checkHashAndIsEqualMatch(VD1VU, VD2PD);
checkHashAndIsEqualMatch(VD2VU, VD1SU);
checkHashAndIsEqualMatch(VD2VU, VD1SD);
checkHashAndIsEqualMatch(VD2VU, VD2PU);
checkHashAndIsEqualMatch(VD2VU, VD2PD);
checkHashAndIsEqualMatch(VD1SU, VD1SD);
checkHashAndIsEqualMatch(VD1SU, VD2PU);
checkHashAndIsEqualMatch(VD1SU, VD2PD);
checkHashAndIsEqualMatch(VD1SD, VD2PU);
checkHashAndIsEqualMatch(VD1SD, VD2PD);
checkHashAndIsEqualMatch(VD2PU, VD2PD);
}
TEST(MachineInstrPrintingTest, DebugLocPrinting) {
LLVMContext Ctx;
Module Mod("Module", Ctx);
auto MF = createMachineFunction(Ctx, Mod);
struct {
MCInstrDesc MCID;
MCOperandInfo OpInfo;
} Table = {{0, 1, 1, 0, 0, 0, 0, 0, 0, 0, 0},
{0, 0, MCOI::OPERAND_REGISTER, 0}};
DIFile *DIF = DIFile::getDistinct(Ctx, "filename", "");
DISubprogram *DIS = DISubprogram::getDistinct(
Ctx, nullptr, "", "", DIF, 0, nullptr, 0, nullptr, 0, 0, DINode::FlagZero,
DISubprogram::SPFlagZero, nullptr);
DILocation *DIL = DILocation::get(Ctx, 1, 5, DIS);
DebugLoc DL(DIL);
MachineInstr *MI = MF->CreateMachineInstr(Table.MCID, DL);
MI->addOperand(*MF, MachineOperand::CreateReg(0, /*isDef*/ true));
std::string str;
raw_string_ostream OS(str);
MI->print(OS, /*IsStandalone*/true, /*SkipOpers*/false, /*SkipDebugLoc*/false,
/*AddNewLine*/false);
ASSERT_TRUE(StringRef(str).starts_with("$noreg = UNKNOWN debug-location "));
ASSERT_TRUE(StringRef(str).ends_with("filename:1:5"));
}
TEST(MachineInstrSpan, DistanceBegin) {
LLVMContext Ctx;
Module Mod("Module", Ctx);
auto MF = createMachineFunction(Ctx, Mod);
auto MBB = MF->CreateMachineBasicBlock();
MCInstrDesc MCID = {0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0};
auto MII = MBB->begin();
MachineInstrSpan MIS(MII, MBB);
ASSERT_TRUE(MIS.empty());
auto MI = MF->CreateMachineInstr(MCID, DebugLoc());
MBB->insert(MII, MI);
ASSERT_TRUE(std::distance(MIS.begin(), MII) == 1);
}
TEST(MachineInstrSpan, DistanceEnd) {
LLVMContext Ctx;
Module Mod("Module", Ctx);
auto MF = createMachineFunction(Ctx, Mod);
auto MBB = MF->CreateMachineBasicBlock();
MCInstrDesc MCID = {0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0};
auto MII = MBB->end();
MachineInstrSpan MIS(MII, MBB);
ASSERT_TRUE(MIS.empty());
auto MI = MF->CreateMachineInstr(MCID, DebugLoc());
MBB->insert(MII, MI);
ASSERT_TRUE(std::distance(MIS.begin(), MII) == 1);
}
TEST(MachineInstrExtraInfo, AddExtraInfo) {
LLVMContext Ctx;
Module Mod("Module", Ctx);
auto MF = createMachineFunction(Ctx, Mod);
MCInstrDesc MCID = {0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0};
auto MI = MF->CreateMachineInstr(MCID, DebugLoc());
auto MAI = MCAsmInfo();
auto MC = createMCContext(&MAI);
auto MMO = MF->getMachineMemOperand(MachinePointerInfo(),
MachineMemOperand::MOLoad, 8, Align(8));
SmallVector<MachineMemOperand *, 2> MMOs;
MMOs.push_back(MMO);
MCSymbol *Sym1 = MC->createTempSymbol("pre_label", false);
MCSymbol *Sym2 = MC->createTempSymbol("post_label", false);
MDNode *HAM = MDNode::getDistinct(Ctx, {});
MDNode *PCS = MDNode::getDistinct(Ctx, {});
MDNode *MMRA = MMRAMetadata::getTagMD(Ctx, "foo", "bar");
ASSERT_TRUE(MI->memoperands_empty());
ASSERT_FALSE(MI->getPreInstrSymbol());
ASSERT_FALSE(MI->getPostInstrSymbol());
ASSERT_FALSE(MI->getHeapAllocMarker());
ASSERT_FALSE(MI->getPCSections());
ASSERT_FALSE(MI->getMMRAMetadata());
MI->setMemRefs(*MF, MMOs);
ASSERT_TRUE(MI->memoperands().size() == 1);
ASSERT_FALSE(MI->getPreInstrSymbol());
ASSERT_FALSE(MI->getPostInstrSymbol());
ASSERT_FALSE(MI->getHeapAllocMarker());
ASSERT_FALSE(MI->getPCSections());
ASSERT_FALSE(MI->getMMRAMetadata());
MI->setPreInstrSymbol(*MF, Sym1);
ASSERT_TRUE(MI->memoperands().size() == 1);
ASSERT_TRUE(MI->getPreInstrSymbol() == Sym1);
ASSERT_FALSE(MI->getPostInstrSymbol());
ASSERT_FALSE(MI->getHeapAllocMarker());
ASSERT_FALSE(MI->getPCSections());
ASSERT_FALSE(MI->getMMRAMetadata());
MI->setPostInstrSymbol(*MF, Sym2);
ASSERT_TRUE(MI->memoperands().size() == 1);
ASSERT_TRUE(MI->getPreInstrSymbol() == Sym1);
ASSERT_TRUE(MI->getPostInstrSymbol() == Sym2);
ASSERT_FALSE(MI->getHeapAllocMarker());
ASSERT_FALSE(MI->getPCSections());
ASSERT_FALSE(MI->getMMRAMetadata());
MI->setHeapAllocMarker(*MF, HAM);
ASSERT_TRUE(MI->memoperands().size() == 1);
ASSERT_TRUE(MI->getPreInstrSymbol() == Sym1);
ASSERT_TRUE(MI->getPostInstrSymbol() == Sym2);
ASSERT_TRUE(MI->getHeapAllocMarker() == HAM);
ASSERT_FALSE(MI->getPCSections());
ASSERT_FALSE(MI->getMMRAMetadata());
MI->setPCSections(*MF, PCS);
ASSERT_TRUE(MI->memoperands().size() == 1);
ASSERT_TRUE(MI->getPreInstrSymbol() == Sym1);
ASSERT_TRUE(MI->getPostInstrSymbol() == Sym2);
ASSERT_TRUE(MI->getHeapAllocMarker() == HAM);
ASSERT_TRUE(MI->getPCSections() == PCS);
ASSERT_FALSE(MI->getMMRAMetadata());
MI->setMMRAMetadata(*MF, MMRA);
ASSERT_TRUE(MI->memoperands().size() == 1);
ASSERT_TRUE(MI->getPreInstrSymbol() == Sym1);
ASSERT_TRUE(MI->getPostInstrSymbol() == Sym2);
ASSERT_TRUE(MI->getHeapAllocMarker() == HAM);
ASSERT_TRUE(MI->getPCSections() == PCS);
ASSERT_TRUE(MI->getMMRAMetadata() == MMRA);
// Check with nothing but MMRAs.
MachineInstr *MMRAMI = MF->CreateMachineInstr(MCID, DebugLoc());
ASSERT_FALSE(MMRAMI->getMMRAMetadata());
MMRAMI->setMMRAMetadata(*MF, MMRA);
ASSERT_TRUE(MMRAMI->getMMRAMetadata() == MMRA);
}
TEST(MachineInstrExtraInfo, ChangeExtraInfo) {
LLVMContext Ctx;
Module Mod("Module", Ctx);
auto MF = createMachineFunction(Ctx, Mod);
MCInstrDesc MCID = {0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0};
auto MI = MF->CreateMachineInstr(MCID, DebugLoc());
auto MAI = MCAsmInfo();
auto MC = createMCContext(&MAI);
auto MMO = MF->getMachineMemOperand(MachinePointerInfo(),
MachineMemOperand::MOLoad, 8, Align(8));
SmallVector<MachineMemOperand *, 2> MMOs;
MMOs.push_back(MMO);
MCSymbol *Sym1 = MC->createTempSymbol("pre_label", false);
MCSymbol *Sym2 = MC->createTempSymbol("post_label", false);
MDNode *HAM = MDNode::getDistinct(Ctx, {});
MDNode *PCS = MDNode::getDistinct(Ctx, {});
MDNode *MMRA1 = MMRAMetadata::getTagMD(Ctx, "foo", "bar");
MDNode *MMRA2 = MMRAMetadata::getTagMD(Ctx, "bar", "bux");
MI->setMemRefs(*MF, MMOs);
MI->setPreInstrSymbol(*MF, Sym1);
MI->setPostInstrSymbol(*MF, Sym2);
MI->setHeapAllocMarker(*MF, HAM);
MI->setPCSections(*MF, PCS);
MI->setMMRAMetadata(*MF, MMRA1);
MMOs.push_back(MMO);
MI->setMemRefs(*MF, MMOs);
ASSERT_TRUE(MI->memoperands().size() == 2);
ASSERT_TRUE(MI->getPreInstrSymbol() == Sym1);
ASSERT_TRUE(MI->getPostInstrSymbol() == Sym2);
ASSERT_TRUE(MI->getHeapAllocMarker() == HAM);
ASSERT_TRUE(MI->getPCSections() == PCS);
ASSERT_TRUE(MI->getMMRAMetadata() == MMRA1);
MI->setPostInstrSymbol(*MF, Sym1);
ASSERT_TRUE(MI->memoperands().size() == 2);
ASSERT_TRUE(MI->getPreInstrSymbol() == Sym1);
ASSERT_TRUE(MI->getPostInstrSymbol() == Sym1);
ASSERT_TRUE(MI->getHeapAllocMarker() == HAM);
ASSERT_TRUE(MI->getPCSections() == PCS);
ASSERT_TRUE(MI->getMMRAMetadata() == MMRA1);
MI->setMMRAMetadata(*MF, MMRA2);
ASSERT_TRUE(MI->memoperands().size() == 2);
ASSERT_TRUE(MI->getPreInstrSymbol() == Sym1);
ASSERT_TRUE(MI->getPostInstrSymbol() == Sym1);
ASSERT_TRUE(MI->getHeapAllocMarker() == HAM);
ASSERT_TRUE(MI->getPCSections() == PCS);
ASSERT_TRUE(MI->getMMRAMetadata() == MMRA2);
}
TEST(MachineInstrExtraInfo, RemoveExtraInfo) {
LLVMContext Ctx;
Module Mod("Module", Ctx);
auto MF = createMachineFunction(Ctx, Mod);
MCInstrDesc MCID = {0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0};
auto MI = MF->CreateMachineInstr(MCID, DebugLoc());
auto MAI = MCAsmInfo();
auto MC = createMCContext(&MAI);
auto MMO = MF->getMachineMemOperand(MachinePointerInfo(),
MachineMemOperand::MOLoad, 8, Align(8));
SmallVector<MachineMemOperand *, 2> MMOs;
MMOs.push_back(MMO);
MMOs.push_back(MMO);
MCSymbol *Sym1 = MC->createTempSymbol("pre_label", false);
MCSymbol *Sym2 = MC->createTempSymbol("post_label", false);
MDNode *HAM = MDNode::getDistinct(Ctx, {});
MDNode *PCS = MDNode::getDistinct(Ctx, {});
MDNode *MMRA = MDTuple::get(Ctx, {});
MI->setMemRefs(*MF, MMOs);
MI->setPreInstrSymbol(*MF, Sym1);
MI->setPostInstrSymbol(*MF, Sym2);
MI->setHeapAllocMarker(*MF, HAM);
MI->setPCSections(*MF, PCS);
MI->setMMRAMetadata(*MF, MMRA);
MI->setPostInstrSymbol(*MF, nullptr);
ASSERT_TRUE(MI->memoperands().size() == 2);
ASSERT_TRUE(MI->getPreInstrSymbol() == Sym1);
ASSERT_FALSE(MI->getPostInstrSymbol());
ASSERT_TRUE(MI->getHeapAllocMarker() == HAM);
ASSERT_TRUE(MI->getPCSections() == PCS);
ASSERT_TRUE(MI->getMMRAMetadata() == MMRA);
MI->setHeapAllocMarker(*MF, nullptr);
ASSERT_TRUE(MI->memoperands().size() == 2);
ASSERT_TRUE(MI->getPreInstrSymbol() == Sym1);
ASSERT_FALSE(MI->getPostInstrSymbol());
ASSERT_FALSE(MI->getHeapAllocMarker());
ASSERT_TRUE(MI->getPCSections() == PCS);
ASSERT_TRUE(MI->getMMRAMetadata() == MMRA);
MI->setPCSections(*MF, nullptr);
ASSERT_TRUE(MI->memoperands().size() == 2);
ASSERT_TRUE(MI->getPreInstrSymbol() == Sym1);
ASSERT_FALSE(MI->getPostInstrSymbol());
ASSERT_FALSE(MI->getHeapAllocMarker());
ASSERT_FALSE(MI->getPCSections());
ASSERT_TRUE(MI->getMMRAMetadata() == MMRA);
MI->setPreInstrSymbol(*MF, nullptr);
ASSERT_TRUE(MI->memoperands().size() == 2);
ASSERT_FALSE(MI->getPreInstrSymbol());
ASSERT_FALSE(MI->getPostInstrSymbol());
ASSERT_FALSE(MI->getHeapAllocMarker());
ASSERT_FALSE(MI->getPCSections());
ASSERT_TRUE(MI->getMMRAMetadata() == MMRA);
MI->setMemRefs(*MF, {});
ASSERT_TRUE(MI->memoperands_empty());
ASSERT_FALSE(MI->getPreInstrSymbol());
ASSERT_FALSE(MI->getPostInstrSymbol());
ASSERT_FALSE(MI->getHeapAllocMarker());
ASSERT_FALSE(MI->getPCSections());
ASSERT_TRUE(MI->getMMRAMetadata() == MMRA);
MI->setMMRAMetadata(*MF, nullptr);
ASSERT_TRUE(MI->memoperands_empty());
ASSERT_FALSE(MI->getPreInstrSymbol());
ASSERT_FALSE(MI->getPostInstrSymbol());
ASSERT_FALSE(MI->getHeapAllocMarker());
ASSERT_FALSE(MI->getPCSections());
ASSERT_FALSE(MI->getMMRAMetadata());
}
TEST(MachineInstrDebugValue, AddDebugValueOperand) {
LLVMContext Ctx;
Module Mod("Module", Ctx);
auto MF = createMachineFunction(Ctx, Mod);
for (const unsigned short Opcode :
{TargetOpcode::DBG_VALUE, TargetOpcode::DBG_VALUE_LIST,
TargetOpcode::DBG_INSTR_REF, TargetOpcode::DBG_PHI,
TargetOpcode::DBG_LABEL}) {
const MCInstrDesc MCID = {
Opcode, 0, 0, 0, 0,
0, 0, 0, 0, (1ULL << MCID::Pseudo) | (1ULL << MCID::Variadic),
0};
auto *MI = MF->CreateMachineInstr(MCID, DebugLoc());
MI->addOperand(*MF, MachineOperand::CreateReg(0, /*isDef*/ false));
MI->addOperand(*MF, MachineOperand::CreateImm(0));
MI->getOperand(1).ChangeToRegister(0, false);
ASSERT_TRUE(MI->getOperand(0).isDebug());
ASSERT_TRUE(MI->getOperand(1).isDebug());
}
}
MATCHER_P(HasMIMetadata, MIMD, "") {
return arg->getDebugLoc() == MIMD.getDL() &&
arg->getPCSections() == MIMD.getPCSections();
}
TEST(MachineInstrBuilder, BuildMI) {
LLVMContext Ctx;
MDNode *PCS = MDNode::getDistinct(Ctx, {});
MDNode *DI = MDNode::getDistinct(Ctx, {});
DebugLoc DL(DI);
MIMetadata MIMD(DL, PCS);
EXPECT_EQ(MIMD.getDL(), DL);
EXPECT_EQ(MIMD.getPCSections(), PCS);
// Check common BuildMI() overloads propagate MIMetadata.
Module Mod("Module", Ctx);
auto MF = createMachineFunction(Ctx, Mod);
auto MBB = MF->CreateMachineBasicBlock();
MCInstrDesc MCID = {0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0};
EXPECT_THAT(BuildMI(*MF, MIMD, MCID), HasMIMetadata(MIMD));
EXPECT_THAT(BuildMI(*MF, MIMD, MCID), HasMIMetadata(MIMD));
EXPECT_THAT(BuildMI(*MBB, MBB->end(), MIMD, MCID), HasMIMetadata(MIMD));
EXPECT_THAT(BuildMI(*MBB, MBB->end(), MIMD, MCID), HasMIMetadata(MIMD));
EXPECT_THAT(BuildMI(*MBB, MBB->instr_end(), MIMD, MCID), HasMIMetadata(MIMD));
EXPECT_THAT(BuildMI(*MBB, *MBB->begin(), MIMD, MCID), HasMIMetadata(MIMD));
EXPECT_THAT(BuildMI(*MBB, &*MBB->begin(), MIMD, MCID), HasMIMetadata(MIMD));
EXPECT_THAT(BuildMI(MBB, MIMD, MCID), HasMIMetadata(MIMD));
}
static_assert(std::is_trivially_copyable_v<MCOperand>, "trivially copyable");
TEST(MachineInstrTest, SpliceOperands) {
LLVMContext Ctx;
Module Mod("Module", Ctx);
std::unique_ptr<MachineFunction> MF = createMachineFunction(Ctx, Mod);
MachineBasicBlock *MBB = MF->CreateMachineBasicBlock();
MCInstrDesc MCID = {TargetOpcode::INLINEASM,
0,
0,
0,
0,
0,
0,
0,
0,
(1ULL << MCID::Pseudo) | (1ULL << MCID::Variadic),
0};
MachineInstr *MI = MF->CreateMachineInstr(MCID, DebugLoc());
MBB->insert(MBB->begin(), MI);
MI->addOperand(MachineOperand::CreateImm(0));
MI->addOperand(MachineOperand::CreateImm(1));
MI->addOperand(MachineOperand::CreateImm(2));
MI->addOperand(MachineOperand::CreateImm(3));
MI->addOperand(MachineOperand::CreateImm(4));
MI->removeOperand(1);
EXPECT_EQ(MI->getOperand(1).getImm(), MachineOperand::CreateImm(2).getImm());
EXPECT_EQ(MI->getNumOperands(), 4U);
MachineOperand Ops[] = {
MachineOperand::CreateImm(42), MachineOperand::CreateImm(1024),
MachineOperand::CreateImm(2048), MachineOperand::CreateImm(4096),
MachineOperand::CreateImm(8192),
};
auto *It = MI->operands_begin();
++It;
MI->insert(It, Ops);
EXPECT_EQ(MI->getNumOperands(), 9U);
EXPECT_EQ(MI->getOperand(0).getImm(), MachineOperand::CreateImm(0).getImm());
EXPECT_EQ(MI->getOperand(1).getImm(), MachineOperand::CreateImm(42).getImm());
EXPECT_EQ(MI->getOperand(2).getImm(),
MachineOperand::CreateImm(1024).getImm());
EXPECT_EQ(MI->getOperand(3).getImm(),
MachineOperand::CreateImm(2048).getImm());
EXPECT_EQ(MI->getOperand(4).getImm(),
MachineOperand::CreateImm(4096).getImm());
EXPECT_EQ(MI->getOperand(5).getImm(),
MachineOperand::CreateImm(8192).getImm());
EXPECT_EQ(MI->getOperand(6).getImm(), MachineOperand::CreateImm(2).getImm());
EXPECT_EQ(MI->getOperand(7).getImm(), MachineOperand::CreateImm(3).getImm());
EXPECT_EQ(MI->getOperand(8).getImm(), MachineOperand::CreateImm(4).getImm());
// test tied operands
MCRegisterClass MRC{
0, 0, 0, 0, 0, 0, 0, 0, /*Allocatable=*/true, /*BaseClass=*/true};
TargetRegisterClass RC{&MRC, 0, 0, {}, 0, 0, 0, 0, 0, 0, 0, 0};
// MachineRegisterInfo will be very upset if these registers aren't
// allocatable.
assert(RC.isAllocatable() && "unusable TargetRegisterClass");
MachineRegisterInfo &MRI = MF->getRegInfo();
Register A = MRI.createVirtualRegister(&RC);
Register B = MRI.createVirtualRegister(&RC);
MI->getOperand(0).ChangeToRegister(A, /*isDef=*/true);
MI->getOperand(1).ChangeToRegister(B, /*isDef=*/false);
MI->tieOperands(0, 1);
EXPECT_TRUE(MI->getOperand(0).isTied());
EXPECT_TRUE(MI->getOperand(1).isTied());
EXPECT_EQ(MI->findTiedOperandIdx(0), 1U);
EXPECT_EQ(MI->findTiedOperandIdx(1), 0U);
MI->insert(&MI->getOperand(1), {MachineOperand::CreateImm(7)});
EXPECT_TRUE(MI->getOperand(0).isTied());
EXPECT_TRUE(MI->getOperand(1).isImm());
EXPECT_TRUE(MI->getOperand(2).isTied());
EXPECT_EQ(MI->findTiedOperandIdx(0), 2U);
EXPECT_EQ(MI->findTiedOperandIdx(2), 0U);
EXPECT_EQ(MI->getOperand(0).getReg(), A);
EXPECT_EQ(MI->getOperand(2).getReg(), B);
// bad inputs
EXPECT_EQ(MI->getNumOperands(), 10U);
MI->insert(MI->operands_begin(), {});
EXPECT_EQ(MI->getNumOperands(), 10U);
}
} // end namespace