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-rw-r--r--llvm/unittests/CodeGen/MachineInstrTest.cpp167
1 files changed, 27 insertions, 140 deletions
diff --git a/llvm/unittests/CodeGen/MachineInstrTest.cpp b/llvm/unittests/CodeGen/MachineInstrTest.cpp
index 90c8a40..4151ef7 100644
--- a/llvm/unittests/CodeGen/MachineInstrTest.cpp
+++ b/llvm/unittests/CodeGen/MachineInstrTest.cpp
@@ -16,6 +16,7 @@
#include "llvm/CodeGen/TargetLowering.h"
#include "llvm/CodeGen/TargetSubtargetInfo.h"
#include "llvm/IR/DebugInfoMetadata.h"
+#include "llvm/IR/IRBuilder.h"
#include "llvm/IR/ModuleSlotTracker.h"
#include "llvm/MC/MCAsmInfo.h"
#include "llvm/MC/MCSymbol.h"
@@ -28,144 +29,20 @@
using namespace llvm;
namespace {
-// Add a few Bogus backend classes so we can create MachineInstrs without
-// depending on a real target.
-class BogusTargetLowering : public TargetLowering {
-public:
- BogusTargetLowering(TargetMachine &TM) : TargetLowering(TM) {}
-};
-
-class BogusFrameLowering : public TargetFrameLowering {
-public:
- BogusFrameLowering()
- : TargetFrameLowering(TargetFrameLowering::StackGrowsDown, Align(4), 4) {}
-
- void emitPrologue(MachineFunction &MF,
- MachineBasicBlock &MBB) const override {}
- void emitEpilogue(MachineFunction &MF,
- MachineBasicBlock &MBB) const override {}
- bool hasFP(const MachineFunction &MF) const override { return false; }
-};
-
-static TargetRegisterClass *const BogusRegisterClasses[] = {nullptr};
-
-class BogusRegisterInfo : public TargetRegisterInfo {
-public:
- BogusRegisterInfo()
- : TargetRegisterInfo(nullptr, BogusRegisterClasses, BogusRegisterClasses,
- nullptr, nullptr, LaneBitmask(~0u), nullptr) {
- InitMCRegisterInfo(nullptr, 0, 0, 0, nullptr, 0, nullptr, 0, nullptr,
- nullptr, nullptr, nullptr, nullptr, 0, nullptr, nullptr);
- }
-
- const MCPhysReg *
- getCalleeSavedRegs(const MachineFunction *MF) const override {
- return nullptr;
- }
- ArrayRef<const uint32_t *> getRegMasks() const override { return None; }
- ArrayRef<const char *> getRegMaskNames() const override { return None; }
- BitVector getReservedRegs(const MachineFunction &MF) const override {
- return BitVector();
- }
- const RegClassWeight &
- getRegClassWeight(const TargetRegisterClass *RC) const override {
- static RegClassWeight Bogus{1, 16};
- return Bogus;
- }
- unsigned getRegUnitWeight(unsigned RegUnit) const override { return 1; }
- unsigned getNumRegPressureSets() const override { return 0; }
- const char *getRegPressureSetName(unsigned Idx) const override {
- return "bogus";
- }
- unsigned getRegPressureSetLimit(const MachineFunction &MF,
- unsigned Idx) const override {
- return 0;
- }
- const int *
- getRegClassPressureSets(const TargetRegisterClass *RC) const override {
- static const int Bogus[] = {0, -1};
- return &Bogus[0];
- }
- const int *getRegUnitPressureSets(unsigned RegUnit) const override {
- static const int Bogus[] = {0, -1};
- return &Bogus[0];
- }
-
- Register getFrameRegister(const MachineFunction &MF) const override {
- return 0;
- }
- void eliminateFrameIndex(MachineBasicBlock::iterator MI, int SPAdj,
- unsigned FIOperandNum,
- RegScavenger *RS = nullptr) const override {}
-};
-
-class BogusSubtarget : public TargetSubtargetInfo {
-public:
- BogusSubtarget(TargetMachine &TM)
- : TargetSubtargetInfo(Triple(""), "", "", {}, {}, nullptr, nullptr,
- nullptr, nullptr, nullptr, nullptr),
- FL(), TL(TM) {}
- ~BogusSubtarget() override {}
-
- const TargetFrameLowering *getFrameLowering() const override { return &FL; }
-
- const TargetLowering *getTargetLowering() const override { return &TL; }
-
- const TargetInstrInfo *getInstrInfo() const override { return &TII; }
-
- const TargetRegisterInfo *getRegisterInfo() const override { return &TRI; }
-
-private:
- BogusFrameLowering FL;
- BogusRegisterInfo TRI;
- BogusTargetLowering TL;
- TargetInstrInfo TII;
-};
-
-class BogusTargetMachine : public LLVMTargetMachine {
-public:
- BogusTargetMachine()
- : LLVMTargetMachine(Target(), "", Triple(""), "", "", TargetOptions(),
- Reloc::Static, CodeModel::Small, CodeGenOpt::Default),
- ST(*this) {}
-
- ~BogusTargetMachine() override {}
-
- const TargetSubtargetInfo *getSubtargetImpl(const Function &) const override {
- return &ST;
- }
-
-private:
- BogusSubtarget ST;
-};
+// Include helper functions to ease the manipulation of MachineFunctions.
+#include "MFCommon.inc"
std::unique_ptr<MCContext> createMCContext(MCAsmInfo *AsmInfo) {
return std::make_unique<MCContext>(
AsmInfo, nullptr, nullptr, nullptr, nullptr, false);
}
-std::unique_ptr<BogusTargetMachine> createTargetMachine() {
- return std::make_unique<BogusTargetMachine>();
-}
-
-std::unique_ptr<MachineFunction> createMachineFunction() {
- LLVMContext Ctx;
- Module M("Module", Ctx);
- auto Type = FunctionType::get(Type::getVoidTy(Ctx), false);
- auto F = Function::Create(Type, GlobalValue::ExternalLinkage, "Test", &M);
-
- auto TM = createTargetMachine();
- unsigned FunctionNum = 42;
- MachineModuleInfo MMI(TM.get());
- const TargetSubtargetInfo &STI = *TM->getSubtargetImpl(*F);
-
- return std::make_unique<MachineFunction>(*F, *TM, STI, FunctionNum, MMI);
-}
-
// This test makes sure that MachineInstr::isIdenticalTo handles Defs correctly
// for various combinations of IgnoreDefs, and also that it is symmetrical.
TEST(IsIdenticalToTest, DifferentDefs) {
- auto MF = createMachineFunction();
+ LLVMContext Ctx;
+ Module Mod("Module", Ctx);
+ auto MF = createMachineFunction(Ctx, Mod);
unsigned short NumOps = 2;
unsigned char NumDefs = 1;
@@ -234,7 +111,9 @@ void checkHashAndIsEqualMatch(MachineInstr *MI1, MachineInstr *MI2) {
// This test makes sure that MachineInstrExpressionTraits::isEqual is in sync
// with MachineInstrExpressionTraits::getHashValue.
TEST(MachineInstrExpressionTraitTest, IsEqualAgreesWithGetHashValue) {
- auto MF = createMachineFunction();
+ LLVMContext Ctx;
+ Module Mod("Module", Ctx);
+ auto MF = createMachineFunction(Ctx, Mod);
unsigned short NumOps = 2;
unsigned char NumDefs = 1;
@@ -312,13 +191,14 @@ TEST(MachineInstrExpressionTraitTest, IsEqualAgreesWithGetHashValue) {
}
TEST(MachineInstrPrintingTest, DebugLocPrinting) {
- auto MF = createMachineFunction();
+ LLVMContext Ctx;
+ Module Mod("Module", Ctx);
+ auto MF = createMachineFunction(Ctx, Mod);
MCOperandInfo OpInfo{0, 0, MCOI::OPERAND_REGISTER, 0};
MCInstrDesc MCID = {0, 1, 1, 0, 0, 0,
0, nullptr, nullptr, &OpInfo, 0, nullptr};
- LLVMContext Ctx;
DIFile *DIF = DIFile::getDistinct(Ctx, "filename", "");
DISubprogram *DIS = DISubprogram::getDistinct(
Ctx, nullptr, "", "", DIF, 0, nullptr, 0, nullptr, 0, 0, DINode::FlagZero,
@@ -339,7 +219,9 @@ TEST(MachineInstrPrintingTest, DebugLocPrinting) {
}
TEST(MachineInstrSpan, DistanceBegin) {
- auto MF = createMachineFunction();
+ LLVMContext Ctx;
+ Module Mod("Module", Ctx);
+ auto MF = createMachineFunction(Ctx, Mod);
auto MBB = MF->CreateMachineBasicBlock();
MCInstrDesc MCID = {0, 0, 0, 0, 0, 0,
@@ -355,7 +237,9 @@ TEST(MachineInstrSpan, DistanceBegin) {
}
TEST(MachineInstrSpan, DistanceEnd) {
- auto MF = createMachineFunction();
+ LLVMContext Ctx;
+ Module Mod("Module", Ctx);
+ auto MF = createMachineFunction(Ctx, Mod);
auto MBB = MF->CreateMachineBasicBlock();
MCInstrDesc MCID = {0, 0, 0, 0, 0, 0,
@@ -371,7 +255,9 @@ TEST(MachineInstrSpan, DistanceEnd) {
}
TEST(MachineInstrExtraInfo, AddExtraInfo) {
- auto MF = createMachineFunction();
+ LLVMContext Ctx;
+ Module Mod("Module", Ctx);
+ auto MF = createMachineFunction(Ctx, Mod);
MCInstrDesc MCID = {0, 0, 0, 0, 0, 0,
0, nullptr, nullptr, nullptr, 0, nullptr};
@@ -384,7 +270,6 @@ TEST(MachineInstrExtraInfo, AddExtraInfo) {
MMOs.push_back(MMO);
MCSymbol *Sym1 = MC->createTempSymbol("pre_label", false);
MCSymbol *Sym2 = MC->createTempSymbol("post_label", false);
- LLVMContext Ctx;
MDNode *MDN = MDNode::getDistinct(Ctx, None);
ASSERT_TRUE(MI->memoperands_empty());
@@ -418,7 +303,9 @@ TEST(MachineInstrExtraInfo, AddExtraInfo) {
}
TEST(MachineInstrExtraInfo, ChangeExtraInfo) {
- auto MF = createMachineFunction();
+ LLVMContext Ctx;
+ Module Mod("Module", Ctx);
+ auto MF = createMachineFunction(Ctx, Mod);
MCInstrDesc MCID = {0, 0, 0, 0, 0, 0,
0, nullptr, nullptr, nullptr, 0, nullptr};
@@ -431,7 +318,6 @@ TEST(MachineInstrExtraInfo, ChangeExtraInfo) {
MMOs.push_back(MMO);
MCSymbol *Sym1 = MC->createTempSymbol("pre_label", false);
MCSymbol *Sym2 = MC->createTempSymbol("post_label", false);
- LLVMContext Ctx;
MDNode *MDN = MDNode::getDistinct(Ctx, None);
MI->setMemRefs(*MF, MMOs);
@@ -455,7 +341,9 @@ TEST(MachineInstrExtraInfo, ChangeExtraInfo) {
}
TEST(MachineInstrExtraInfo, RemoveExtraInfo) {
- auto MF = createMachineFunction();
+ LLVMContext Ctx;
+ Module Mod("Module", Ctx);
+ auto MF = createMachineFunction(Ctx, Mod);
MCInstrDesc MCID = {0, 0, 0, 0, 0, 0,
0, nullptr, nullptr, nullptr, 0, nullptr};
@@ -469,7 +357,6 @@ TEST(MachineInstrExtraInfo, RemoveExtraInfo) {
MMOs.push_back(MMO);
MCSymbol *Sym1 = MC->createTempSymbol("pre_label", false);
MCSymbol *Sym2 = MC->createTempSymbol("post_label", false);
- LLVMContext Ctx;
MDNode *MDN = MDNode::getDistinct(Ctx, None);
MI->setMemRefs(*MF, MMOs);
generated by cgit v1.1 at 2025-09-30 06:53:07 +0000