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-rw-r--r--lib/CodeGen/MIRPrinter.cpp767
1 files changed, 697 insertions, 70 deletions
diff --git a/lib/CodeGen/MIRPrinter.cpp b/lib/CodeGen/MIRPrinter.cpp
index d5cf9244199e..175cb0d51437 100644
--- a/lib/CodeGen/MIRPrinter.cpp
+++ b/lib/CodeGen/MIRPrinter.cpp
@@ -14,13 +14,20 @@
#include "MIRPrinter.h"
#include "llvm/ADT/STLExtras.h"
+#include "llvm/CodeGen/MachineConstantPool.h"
#include "llvm/CodeGen/MachineFunction.h"
#include "llvm/CodeGen/MachineFrameInfo.h"
+#include "llvm/CodeGen/MachineMemOperand.h"
+#include "llvm/CodeGen/MachineModuleInfo.h"
#include "llvm/CodeGen/MachineRegisterInfo.h"
#include "llvm/CodeGen/MIRYamlMapping.h"
#include "llvm/IR/BasicBlock.h"
+#include "llvm/IR/Constants.h"
+#include "llvm/IR/Instructions.h"
+#include "llvm/IR/IRPrintingPasses.h"
#include "llvm/IR/Module.h"
#include "llvm/IR/ModuleSlotTracker.h"
+#include "llvm/MC/MCSymbol.h"
#include "llvm/Support/MemoryBuffer.h"
#include "llvm/Support/raw_ostream.h"
#include "llvm/Support/YAMLTraits.h"
@@ -31,11 +38,38 @@ using namespace llvm;
namespace {
+/// This structure describes how to print out stack object references.
+struct FrameIndexOperand {
+ std::string Name;
+ unsigned ID;
+ bool IsFixed;
+
+ FrameIndexOperand(StringRef Name, unsigned ID, bool IsFixed)
+ : Name(Name.str()), ID(ID), IsFixed(IsFixed) {}
+
+ /// Return an ordinary stack object reference.
+ static FrameIndexOperand create(StringRef Name, unsigned ID) {
+ return FrameIndexOperand(Name, ID, /*IsFixed=*/false);
+ }
+
+ /// Return a fixed stack object reference.
+ static FrameIndexOperand createFixed(unsigned ID) {
+ return FrameIndexOperand("", ID, /*IsFixed=*/true);
+ }
+};
+
+} // end anonymous namespace
+
+namespace llvm {
+
/// This class prints out the machine functions using the MIR serialization
/// format.
class MIRPrinter {
raw_ostream &OS;
DenseMap<const uint32_t *, unsigned> RegisterMaskIds;
+ /// Maps from stack object indices to operand indices which will be used when
+ /// printing frame index machine operands.
+ DenseMap<int, FrameIndexOperand> StackObjectOperandMapping;
public:
MIRPrinter(raw_ostream &OS) : OS(OS) {}
@@ -44,11 +78,16 @@ public:
void convert(yaml::MachineFunction &MF, const MachineRegisterInfo &RegInfo,
const TargetRegisterInfo *TRI);
- void convert(yaml::MachineFrameInfo &YamlMFI, const MachineFrameInfo &MFI);
- void convert(ModuleSlotTracker &MST, yaml::MachineBasicBlock &YamlMBB,
- const MachineBasicBlock &MBB);
+ void convert(ModuleSlotTracker &MST, yaml::MachineFrameInfo &YamlMFI,
+ const MachineFrameInfo &MFI);
+ void convert(yaml::MachineFunction &MF,
+ const MachineConstantPool &ConstantPool);
+ void convert(ModuleSlotTracker &MST, yaml::MachineJumpTable &YamlJTI,
+ const MachineJumpTableInfo &JTI);
void convertStackObjects(yaml::MachineFunction &MF,
- const MachineFrameInfo &MFI);
+ const MachineFrameInfo &MFI, MachineModuleInfo &MMI,
+ ModuleSlotTracker &MST,
+ const TargetRegisterInfo *TRI);
private:
void initRegisterMaskIds(const MachineFunction &MF);
@@ -60,18 +99,32 @@ class MIPrinter {
raw_ostream &OS;
ModuleSlotTracker &MST;
const DenseMap<const uint32_t *, unsigned> &RegisterMaskIds;
+ const DenseMap<int, FrameIndexOperand> &StackObjectOperandMapping;
public:
MIPrinter(raw_ostream &OS, ModuleSlotTracker &MST,
- const DenseMap<const uint32_t *, unsigned> &RegisterMaskIds)
- : OS(OS), MST(MST), RegisterMaskIds(RegisterMaskIds) {}
+ const DenseMap<const uint32_t *, unsigned> &RegisterMaskIds,
+ const DenseMap<int, FrameIndexOperand> &StackObjectOperandMapping)
+ : OS(OS), MST(MST), RegisterMaskIds(RegisterMaskIds),
+ StackObjectOperandMapping(StackObjectOperandMapping) {}
+
+ void print(const MachineBasicBlock &MBB);
void print(const MachineInstr &MI);
void printMBBReference(const MachineBasicBlock &MBB);
- void print(const MachineOperand &Op, const TargetRegisterInfo *TRI);
+ void printIRBlockReference(const BasicBlock &BB);
+ void printIRValueReference(const Value &V);
+ void printStackObjectReference(int FrameIndex);
+ void printOffset(int64_t Offset);
+ void printTargetFlags(const MachineOperand &Op);
+ void print(const MachineOperand &Op, const TargetRegisterInfo *TRI,
+ unsigned I, bool ShouldPrintRegisterTies, bool IsDef = false);
+ void print(const MachineMemOperand &Op);
+
+ void print(const MCCFIInstruction &CFI, const TargetRegisterInfo *TRI);
};
-} // end anonymous namespace
+} // end namespace llvm
namespace llvm {
namespace yaml {
@@ -103,6 +156,12 @@ static void printReg(unsigned Reg, raw_ostream &OS,
llvm_unreachable("Can't print this kind of register yet");
}
+static void printReg(unsigned Reg, yaml::StringValue &Dest,
+ const TargetRegisterInfo *TRI) {
+ raw_string_ostream OS(Dest.Value);
+ printReg(Reg, OS, TRI);
+}
+
void MIRPrinter::print(const MachineFunction &MF) {
initRegisterMaskIds(MF);
@@ -112,23 +171,25 @@ void MIRPrinter::print(const MachineFunction &MF) {
YamlMF.ExposesReturnsTwice = MF.exposesReturnsTwice();
YamlMF.HasInlineAsm = MF.hasInlineAsm();
convert(YamlMF, MF.getRegInfo(), MF.getSubtarget().getRegisterInfo());
- convert(YamlMF.FrameInfo, *MF.getFrameInfo());
- convertStackObjects(YamlMF, *MF.getFrameInfo());
-
- int I = 0;
ModuleSlotTracker MST(MF.getFunction()->getParent());
+ MST.incorporateFunction(*MF.getFunction());
+ convert(MST, YamlMF.FrameInfo, *MF.getFrameInfo());
+ convertStackObjects(YamlMF, *MF.getFrameInfo(), MF.getMMI(), MST,
+ MF.getSubtarget().getRegisterInfo());
+ if (const auto *ConstantPool = MF.getConstantPool())
+ convert(YamlMF, *ConstantPool);
+ if (const auto *JumpTableInfo = MF.getJumpTableInfo())
+ convert(MST, YamlMF.JumpTableInfo, *JumpTableInfo);
+ raw_string_ostream StrOS(YamlMF.Body.Value.Value);
+ bool IsNewlineNeeded = false;
for (const auto &MBB : MF) {
- // TODO: Allow printing of non sequentially numbered MBBs.
- // This is currently needed as the basic block references get their index
- // from MBB.getNumber(), thus it should be sequential so that the parser can
- // map back to the correct MBBs when parsing the output.
- assert(MBB.getNumber() == I++ &&
- "Can't print MBBs that aren't sequentially numbered");
- (void)I;
- yaml::MachineBasicBlock YamlMBB;
- convert(MST, YamlMBB, MBB);
- YamlMF.BasicBlocks.push_back(YamlMBB);
+ if (IsNewlineNeeded)
+ StrOS << "\n";
+ MIPrinter(StrOS, MST, RegisterMaskIds, StackObjectOperandMapping)
+ .print(MBB);
+ IsNewlineNeeded = true;
}
+ StrOS.flush();
yaml::Output Out(OS);
Out << YamlMF;
}
@@ -147,11 +208,38 @@ void MIRPrinter::convert(yaml::MachineFunction &MF,
VReg.ID = I;
VReg.Class =
StringRef(TRI->getRegClassName(RegInfo.getRegClass(Reg))).lower();
+ unsigned PreferredReg = RegInfo.getSimpleHint(Reg);
+ if (PreferredReg)
+ printReg(PreferredReg, VReg.PreferredRegister, TRI);
MF.VirtualRegisters.push_back(VReg);
}
+
+ // Print the live ins.
+ for (auto I = RegInfo.livein_begin(), E = RegInfo.livein_end(); I != E; ++I) {
+ yaml::MachineFunctionLiveIn LiveIn;
+ printReg(I->first, LiveIn.Register, TRI);
+ if (I->second)
+ printReg(I->second, LiveIn.VirtualRegister, TRI);
+ MF.LiveIns.push_back(LiveIn);
+ }
+ // The used physical register mask is printed as an inverted callee saved
+ // register mask.
+ const BitVector &UsedPhysRegMask = RegInfo.getUsedPhysRegsMask();
+ if (UsedPhysRegMask.none())
+ return;
+ std::vector<yaml::FlowStringValue> CalleeSavedRegisters;
+ for (unsigned I = 0, E = UsedPhysRegMask.size(); I != E; ++I) {
+ if (!UsedPhysRegMask[I]) {
+ yaml::FlowStringValue Reg;
+ printReg(I, Reg, TRI);
+ CalleeSavedRegisters.push_back(Reg);
+ }
+ }
+ MF.CalleeSavedRegisters = CalleeSavedRegisters;
}
-void MIRPrinter::convert(yaml::MachineFrameInfo &YamlMFI,
+void MIRPrinter::convert(ModuleSlotTracker &MST,
+ yaml::MachineFrameInfo &YamlMFI,
const MachineFrameInfo &MFI) {
YamlMFI.IsFrameAddressTaken = MFI.isFrameAddressTaken();
YamlMFI.IsReturnAddressTaken = MFI.isReturnAddressTaken();
@@ -166,10 +254,23 @@ void MIRPrinter::convert(yaml::MachineFrameInfo &YamlMFI,
YamlMFI.HasOpaqueSPAdjustment = MFI.hasOpaqueSPAdjustment();
YamlMFI.HasVAStart = MFI.hasVAStart();
YamlMFI.HasMustTailInVarArgFunc = MFI.hasMustTailInVarArgFunc();
+ if (MFI.getSavePoint()) {
+ raw_string_ostream StrOS(YamlMFI.SavePoint.Value);
+ MIPrinter(StrOS, MST, RegisterMaskIds, StackObjectOperandMapping)
+ .printMBBReference(*MFI.getSavePoint());
+ }
+ if (MFI.getRestorePoint()) {
+ raw_string_ostream StrOS(YamlMFI.RestorePoint.Value);
+ MIPrinter(StrOS, MST, RegisterMaskIds, StackObjectOperandMapping)
+ .printMBBReference(*MFI.getRestorePoint());
+ }
}
void MIRPrinter::convertStackObjects(yaml::MachineFunction &MF,
- const MachineFrameInfo &MFI) {
+ const MachineFrameInfo &MFI,
+ MachineModuleInfo &MMI,
+ ModuleSlotTracker &MST,
+ const TargetRegisterInfo *TRI) {
// Process fixed stack objects.
unsigned ID = 0;
for (int I = MFI.getObjectIndexBegin(); I < 0; ++I) {
@@ -177,7 +278,7 @@ void MIRPrinter::convertStackObjects(yaml::MachineFunction &MF,
continue;
yaml::FixedMachineStackObject YamlObject;
- YamlObject.ID = ID++;
+ YamlObject.ID = ID;
YamlObject.Type = MFI.isSpillSlotObjectIndex(I)
? yaml::FixedMachineStackObject::SpillSlot
: yaml::FixedMachineStackObject::DefaultType;
@@ -187,8 +288,8 @@ void MIRPrinter::convertStackObjects(yaml::MachineFunction &MF,
YamlObject.IsImmutable = MFI.isImmutableObjectIndex(I);
YamlObject.IsAliased = MFI.isAliasedObjectIndex(I);
MF.FixedStackObjects.push_back(YamlObject);
- // TODO: Store the mapping between fixed object IDs and object indices to
- // print the fixed stack object references correctly.
+ StackObjectOperandMapping.insert(
+ std::make_pair(I, FrameIndexOperand::createFixed(ID++)));
}
// Process ordinary stack objects.
@@ -198,7 +299,10 @@ void MIRPrinter::convertStackObjects(yaml::MachineFunction &MF,
continue;
yaml::MachineStackObject YamlObject;
- YamlObject.ID = ID++;
+ YamlObject.ID = ID;
+ if (const auto *Alloca = MFI.getObjectAllocation(I))
+ YamlObject.Name.Value =
+ Alloca->hasName() ? Alloca->getName() : "<unnamed alloca>";
YamlObject.Type = MFI.isSpillSlotObjectIndex(I)
? yaml::MachineStackObject::SpillSlot
: MFI.isVariableSizedObjectIndex(I)
@@ -209,47 +313,100 @@ void MIRPrinter::convertStackObjects(yaml::MachineFunction &MF,
YamlObject.Alignment = MFI.getObjectAlignment(I);
MF.StackObjects.push_back(YamlObject);
- // TODO: Store the mapping between object IDs and object indices to print
- // the stack object references correctly.
+ StackObjectOperandMapping.insert(std::make_pair(
+ I, FrameIndexOperand::create(YamlObject.Name.Value, ID++)));
+ }
+
+ for (const auto &CSInfo : MFI.getCalleeSavedInfo()) {
+ yaml::StringValue Reg;
+ printReg(CSInfo.getReg(), Reg, TRI);
+ auto StackObjectInfo = StackObjectOperandMapping.find(CSInfo.getFrameIdx());
+ assert(StackObjectInfo != StackObjectOperandMapping.end() &&
+ "Invalid stack object index");
+ const FrameIndexOperand &StackObject = StackObjectInfo->second;
+ if (StackObject.IsFixed)
+ MF.FixedStackObjects[StackObject.ID].CalleeSavedRegister = Reg;
+ else
+ MF.StackObjects[StackObject.ID].CalleeSavedRegister = Reg;
+ }
+ for (unsigned I = 0, E = MFI.getLocalFrameObjectCount(); I < E; ++I) {
+ auto LocalObject = MFI.getLocalFrameObjectMap(I);
+ auto StackObjectInfo = StackObjectOperandMapping.find(LocalObject.first);
+ assert(StackObjectInfo != StackObjectOperandMapping.end() &&
+ "Invalid stack object index");
+ const FrameIndexOperand &StackObject = StackObjectInfo->second;
+ assert(!StackObject.IsFixed && "Expected a locally mapped stack object");
+ MF.StackObjects[StackObject.ID].LocalOffset = LocalObject.second;
+ }
+
+ // Print the stack object references in the frame information class after
+ // converting the stack objects.
+ if (MFI.hasStackProtectorIndex()) {
+ raw_string_ostream StrOS(MF.FrameInfo.StackProtector.Value);
+ MIPrinter(StrOS, MST, RegisterMaskIds, StackObjectOperandMapping)
+ .printStackObjectReference(MFI.getStackProtectorIndex());
+ }
+
+ // Print the debug variable information.
+ for (MachineModuleInfo::VariableDbgInfo &DebugVar :
+ MMI.getVariableDbgInfo()) {
+ auto StackObjectInfo = StackObjectOperandMapping.find(DebugVar.Slot);
+ assert(StackObjectInfo != StackObjectOperandMapping.end() &&
+ "Invalid stack object index");
+ const FrameIndexOperand &StackObject = StackObjectInfo->second;
+ assert(!StackObject.IsFixed && "Expected a non-fixed stack object");
+ auto &Object = MF.StackObjects[StackObject.ID];
+ {
+ raw_string_ostream StrOS(Object.DebugVar.Value);
+ DebugVar.Var->printAsOperand(StrOS, MST);
+ }
+ {
+ raw_string_ostream StrOS(Object.DebugExpr.Value);
+ DebugVar.Expr->printAsOperand(StrOS, MST);
+ }
+ {
+ raw_string_ostream StrOS(Object.DebugLoc.Value);
+ DebugVar.Loc->printAsOperand(StrOS, MST);
+ }
}
}
-void MIRPrinter::convert(ModuleSlotTracker &MST,
- yaml::MachineBasicBlock &YamlMBB,
- const MachineBasicBlock &MBB) {
- assert(MBB.getNumber() >= 0 && "Invalid MBB number");
- YamlMBB.ID = (unsigned)MBB.getNumber();
- // TODO: Serialize unnamed BB references.
- if (const auto *BB = MBB.getBasicBlock())
- YamlMBB.Name.Value = BB->hasName() ? BB->getName() : "<unnamed bb>";
- else
- YamlMBB.Name.Value = "";
- YamlMBB.Alignment = MBB.getAlignment();
- YamlMBB.AddressTaken = MBB.hasAddressTaken();
- YamlMBB.IsLandingPad = MBB.isLandingPad();
- for (const auto *SuccMBB : MBB.successors()) {
+void MIRPrinter::convert(yaml::MachineFunction &MF,
+ const MachineConstantPool &ConstantPool) {
+ unsigned ID = 0;
+ for (const MachineConstantPoolEntry &Constant : ConstantPool.getConstants()) {
+ // TODO: Serialize target specific constant pool entries.
+ if (Constant.isMachineConstantPoolEntry())
+ llvm_unreachable("Can't print target specific constant pool entries yet");
+
+ yaml::MachineConstantPoolValue YamlConstant;
std::string Str;
raw_string_ostream StrOS(Str);
- MIPrinter(StrOS, MST, RegisterMaskIds).printMBBReference(*SuccMBB);
- YamlMBB.Successors.push_back(StrOS.str());
+ Constant.Val.ConstVal->printAsOperand(StrOS);
+ YamlConstant.ID = ID++;
+ YamlConstant.Value = StrOS.str();
+ YamlConstant.Alignment = Constant.getAlignment();
+ MF.Constants.push_back(YamlConstant);
}
- // Print the live in registers.
- const auto *TRI = MBB.getParent()->getSubtarget().getRegisterInfo();
- assert(TRI && "Expected target register info");
- for (auto I = MBB.livein_begin(), E = MBB.livein_end(); I != E; ++I) {
+}
+
+void MIRPrinter::convert(ModuleSlotTracker &MST,
+ yaml::MachineJumpTable &YamlJTI,
+ const MachineJumpTableInfo &JTI) {
+ YamlJTI.Kind = JTI.getEntryKind();
+ unsigned ID = 0;
+ for (const auto &Table : JTI.getJumpTables()) {
std::string Str;
- raw_string_ostream StrOS(Str);
- printReg(*I, StrOS, TRI);
- YamlMBB.LiveIns.push_back(StrOS.str());
- }
- // Print the machine instructions.
- YamlMBB.Instructions.reserve(MBB.size());
- std::string Str;
- for (const auto &MI : MBB) {
- raw_string_ostream StrOS(Str);
- MIPrinter(StrOS, MST, RegisterMaskIds).print(MI);
- YamlMBB.Instructions.push_back(StrOS.str());
- Str.clear();
+ yaml::MachineJumpTable::Entry Entry;
+ Entry.ID = ID++;
+ for (const auto *MBB : Table.MBBs) {
+ raw_string_ostream StrOS(Str);
+ MIPrinter(StrOS, MST, RegisterMaskIds, StackObjectOperandMapping)
+ .printMBBReference(*MBB);
+ Entry.Blocks.push_back(StrOS.str());
+ Str.clear();
+ }
+ YamlJTI.Entries.push_back(Entry);
}
}
@@ -260,26 +417,137 @@ void MIRPrinter::initRegisterMaskIds(const MachineFunction &MF) {
RegisterMaskIds.insert(std::make_pair(Mask, I++));
}
+void MIPrinter::print(const MachineBasicBlock &MBB) {
+ assert(MBB.getNumber() >= 0 && "Invalid MBB number");
+ OS << "bb." << MBB.getNumber();
+ bool HasAttributes = false;
+ if (const auto *BB = MBB.getBasicBlock()) {
+ if (BB->hasName()) {
+ OS << "." << BB->getName();
+ } else {
+ HasAttributes = true;
+ OS << " (";
+ int Slot = MST.getLocalSlot(BB);
+ if (Slot == -1)
+ OS << "<ir-block badref>";
+ else
+ OS << (Twine("%ir-block.") + Twine(Slot)).str();
+ }
+ }
+ if (MBB.hasAddressTaken()) {
+ OS << (HasAttributes ? ", " : " (");
+ OS << "address-taken";
+ HasAttributes = true;
+ }
+ if (MBB.isEHPad()) {
+ OS << (HasAttributes ? ", " : " (");
+ OS << "landing-pad";
+ HasAttributes = true;
+ }
+ if (MBB.getAlignment()) {
+ OS << (HasAttributes ? ", " : " (");
+ OS << "align " << MBB.getAlignment();
+ HasAttributes = true;
+ }
+ if (HasAttributes)
+ OS << ")";
+ OS << ":\n";
+
+ bool HasLineAttributes = false;
+ // Print the successors
+ if (!MBB.succ_empty()) {
+ OS.indent(2) << "successors: ";
+ for (auto I = MBB.succ_begin(), E = MBB.succ_end(); I != E; ++I) {
+ if (I != MBB.succ_begin())
+ OS << ", ";
+ printMBBReference(**I);
+ if (MBB.hasSuccessorProbabilities())
+ OS << '(' << MBB.getSuccProbability(I) << ')';
+ }
+ OS << "\n";
+ HasLineAttributes = true;
+ }
+
+ // Print the live in registers.
+ const auto *TRI = MBB.getParent()->getSubtarget().getRegisterInfo();
+ assert(TRI && "Expected target register info");
+ if (!MBB.livein_empty()) {
+ OS.indent(2) << "liveins: ";
+ bool First = true;
+ for (const auto &LI : MBB.liveins()) {
+ if (!First)
+ OS << ", ";
+ First = false;
+ printReg(LI.PhysReg, OS, TRI);
+ if (LI.LaneMask != ~0u)
+ OS << ':' << PrintLaneMask(LI.LaneMask);
+ }
+ OS << "\n";
+ HasLineAttributes = true;
+ }
+
+ if (HasLineAttributes)
+ OS << "\n";
+ bool IsInBundle = false;
+ for (auto I = MBB.instr_begin(), E = MBB.instr_end(); I != E; ++I) {
+ const MachineInstr &MI = *I;
+ if (IsInBundle && !MI.isInsideBundle()) {
+ OS.indent(2) << "}\n";
+ IsInBundle = false;
+ }
+ OS.indent(IsInBundle ? 4 : 2);
+ print(MI);
+ if (!IsInBundle && MI.getFlag(MachineInstr::BundledSucc)) {
+ OS << " {";
+ IsInBundle = true;
+ }
+ OS << "\n";
+ }
+ if (IsInBundle)
+ OS.indent(2) << "}\n";
+}
+
+/// Return true when an instruction has tied register that can't be determined
+/// by the instruction's descriptor.
+static bool hasComplexRegisterTies(const MachineInstr &MI) {
+ const MCInstrDesc &MCID = MI.getDesc();
+ for (unsigned I = 0, E = MI.getNumOperands(); I < E; ++I) {
+ const auto &Operand = MI.getOperand(I);
+ if (!Operand.isReg() || Operand.isDef())
+ // Ignore the defined registers as MCID marks only the uses as tied.
+ continue;
+ int ExpectedTiedIdx = MCID.getOperandConstraint(I, MCOI::TIED_TO);
+ int TiedIdx = Operand.isTied() ? int(MI.findTiedOperandIdx(I)) : -1;
+ if (ExpectedTiedIdx != TiedIdx)
+ return true;
+ }
+ return false;
+}
+
void MIPrinter::print(const MachineInstr &MI) {
const auto &SubTarget = MI.getParent()->getParent()->getSubtarget();
const auto *TRI = SubTarget.getRegisterInfo();
assert(TRI && "Expected target register info");
const auto *TII = SubTarget.getInstrInfo();
assert(TII && "Expected target instruction info");
+ if (MI.isCFIInstruction())
+ assert(MI.getNumOperands() == 1 && "Expected 1 operand in CFI instruction");
+ bool ShouldPrintRegisterTies = hasComplexRegisterTies(MI);
unsigned I = 0, E = MI.getNumOperands();
for (; I < E && MI.getOperand(I).isReg() && MI.getOperand(I).isDef() &&
!MI.getOperand(I).isImplicit();
++I) {
if (I)
OS << ", ";
- print(MI.getOperand(I), TRI);
+ print(MI.getOperand(I), TRI, I, ShouldPrintRegisterTies, /*IsDef=*/true);
}
if (I)
OS << " = ";
+ if (MI.getFlag(MachineInstr::FrameSetup))
+ OS << "frame-setup ";
OS << TII->getName(MI.getOpcode());
- // TODO: Print the instruction flags, machine mem operands.
if (I < E)
OS << ' ';
@@ -287,9 +555,27 @@ void MIPrinter::print(const MachineInstr &MI) {
for (; I < E; ++I) {
if (NeedComma)
OS << ", ";
- print(MI.getOperand(I), TRI);
+ print(MI.getOperand(I), TRI, I, ShouldPrintRegisterTies);
NeedComma = true;
}
+
+ if (MI.getDebugLoc()) {
+ if (NeedComma)
+ OS << ',';
+ OS << " debug-location ";
+ MI.getDebugLoc()->printAsOperand(OS, MST);
+ }
+
+ if (!MI.memoperands_empty()) {
+ OS << " :: ";
+ bool NeedComma = false;
+ for (const auto *Op : MI.memoperands()) {
+ if (NeedComma)
+ OS << ", ";
+ print(*Op);
+ NeedComma = true;
+ }
+ }
}
void MIPrinter::printMBBReference(const MachineBasicBlock &MBB) {
@@ -300,32 +586,225 @@ void MIPrinter::printMBBReference(const MachineBasicBlock &MBB) {
}
}
-void MIPrinter::print(const MachineOperand &Op, const TargetRegisterInfo *TRI) {
+static void printIRSlotNumber(raw_ostream &OS, int Slot) {
+ if (Slot == -1)
+ OS << "<badref>";
+ else
+ OS << Slot;
+}
+
+void MIPrinter::printIRBlockReference(const BasicBlock &BB) {
+ OS << "%ir-block.";
+ if (BB.hasName()) {
+ printLLVMNameWithoutPrefix(OS, BB.getName());
+ return;
+ }
+ const Function *F = BB.getParent();
+ int Slot;
+ if (F == MST.getCurrentFunction()) {
+ Slot = MST.getLocalSlot(&BB);
+ } else {
+ ModuleSlotTracker CustomMST(F->getParent(),
+ /*ShouldInitializeAllMetadata=*/false);
+ CustomMST.incorporateFunction(*F);
+ Slot = CustomMST.getLocalSlot(&BB);
+ }
+ printIRSlotNumber(OS, Slot);
+}
+
+void MIPrinter::printIRValueReference(const Value &V) {
+ if (isa<GlobalValue>(V)) {
+ V.printAsOperand(OS, /*PrintType=*/false, MST);
+ return;
+ }
+ if (isa<Constant>(V)) {
+ // Machine memory operands can load/store to/from constant value pointers.
+ OS << '`';
+ V.printAsOperand(OS, /*PrintType=*/true, MST);
+ OS << '`';
+ return;
+ }
+ OS << "%ir.";
+ if (V.hasName()) {
+ printLLVMNameWithoutPrefix(OS, V.getName());
+ return;
+ }
+ printIRSlotNumber(OS, MST.getLocalSlot(&V));
+}
+
+void MIPrinter::printStackObjectReference(int FrameIndex) {
+ auto ObjectInfo = StackObjectOperandMapping.find(FrameIndex);
+ assert(ObjectInfo != StackObjectOperandMapping.end() &&
+ "Invalid frame index");
+ const FrameIndexOperand &Operand = ObjectInfo->second;
+ if (Operand.IsFixed) {
+ OS << "%fixed-stack." << Operand.ID;
+ return;
+ }
+ OS << "%stack." << Operand.ID;
+ if (!Operand.Name.empty())
+ OS << '.' << Operand.Name;
+}
+
+void MIPrinter::printOffset(int64_t Offset) {
+ if (Offset == 0)
+ return;
+ if (Offset < 0) {
+ OS << " - " << -Offset;
+ return;
+ }
+ OS << " + " << Offset;
+}
+
+static const char *getTargetFlagName(const TargetInstrInfo *TII, unsigned TF) {
+ auto Flags = TII->getSerializableDirectMachineOperandTargetFlags();
+ for (const auto &I : Flags) {
+ if (I.first == TF) {
+ return I.second;
+ }
+ }
+ return nullptr;
+}
+
+void MIPrinter::printTargetFlags(const MachineOperand &Op) {
+ if (!Op.getTargetFlags())
+ return;
+ const auto *TII =
+ Op.getParent()->getParent()->getParent()->getSubtarget().getInstrInfo();
+ assert(TII && "expected instruction info");
+ auto Flags = TII->decomposeMachineOperandsTargetFlags(Op.getTargetFlags());
+ OS << "target-flags(";
+ const bool HasDirectFlags = Flags.first;
+ const bool HasBitmaskFlags = Flags.second;
+ if (!HasDirectFlags && !HasBitmaskFlags) {
+ OS << "<unknown>) ";
+ return;
+ }
+ if (HasDirectFlags) {
+ if (const auto *Name = getTargetFlagName(TII, Flags.first))
+ OS << Name;
+ else
+ OS << "<unknown target flag>";
+ }
+ if (!HasBitmaskFlags) {
+ OS << ") ";
+ return;
+ }
+ bool IsCommaNeeded = HasDirectFlags;
+ unsigned BitMask = Flags.second;
+ auto BitMasks = TII->getSerializableBitmaskMachineOperandTargetFlags();
+ for (const auto &Mask : BitMasks) {
+ // Check if the flag's bitmask has the bits of the current mask set.
+ if ((BitMask & Mask.first) == Mask.first) {
+ if (IsCommaNeeded)
+ OS << ", ";
+ IsCommaNeeded = true;
+ OS << Mask.second;
+ // Clear the bits which were serialized from the flag's bitmask.
+ BitMask &= ~(Mask.first);
+ }
+ }
+ if (BitMask) {
+ // When the resulting flag's bitmask isn't zero, we know that we didn't
+ // serialize all of the bit flags.
+ if (IsCommaNeeded)
+ OS << ", ";
+ OS << "<unknown bitmask target flag>";
+ }
+ OS << ") ";
+}
+
+static const char *getTargetIndexName(const MachineFunction &MF, int Index) {
+ const auto *TII = MF.getSubtarget().getInstrInfo();
+ assert(TII && "expected instruction info");
+ auto Indices = TII->getSerializableTargetIndices();
+ for (const auto &I : Indices) {
+ if (I.first == Index) {
+ return I.second;
+ }
+ }
+ return nullptr;
+}
+
+void MIPrinter::print(const MachineOperand &Op, const TargetRegisterInfo *TRI,
+ unsigned I, bool ShouldPrintRegisterTies, bool IsDef) {
+ printTargetFlags(Op);
switch (Op.getType()) {
case MachineOperand::MO_Register:
- // TODO: Print the other register flags.
if (Op.isImplicit())
OS << (Op.isDef() ? "implicit-def " : "implicit ");
+ else if (!IsDef && Op.isDef())
+ // Print the 'def' flag only when the operand is defined after '='.
+ OS << "def ";
+ if (Op.isInternalRead())
+ OS << "internal ";
if (Op.isDead())
OS << "dead ";
if (Op.isKill())
OS << "killed ";
if (Op.isUndef())
OS << "undef ";
+ if (Op.isEarlyClobber())
+ OS << "early-clobber ";
+ if (Op.isDebug())
+ OS << "debug-use ";
printReg(Op.getReg(), OS, TRI);
// Print the sub register.
if (Op.getSubReg() != 0)
OS << ':' << TRI->getSubRegIndexName(Op.getSubReg());
+ if (ShouldPrintRegisterTies && Op.isTied() && !Op.isDef())
+ OS << "(tied-def " << Op.getParent()->findTiedOperandIdx(I) << ")";
break;
case MachineOperand::MO_Immediate:
OS << Op.getImm();
break;
+ case MachineOperand::MO_CImmediate:
+ Op.getCImm()->printAsOperand(OS, /*PrintType=*/true, MST);
+ break;
+ case MachineOperand::MO_FPImmediate:
+ Op.getFPImm()->printAsOperand(OS, /*PrintType=*/true, MST);
+ break;
case MachineOperand::MO_MachineBasicBlock:
printMBBReference(*Op.getMBB());
break;
+ case MachineOperand::MO_FrameIndex:
+ printStackObjectReference(Op.getIndex());
+ break;
+ case MachineOperand::MO_ConstantPoolIndex:
+ OS << "%const." << Op.getIndex();
+ printOffset(Op.getOffset());
+ break;
+ case MachineOperand::MO_TargetIndex: {
+ OS << "target-index(";
+ if (const auto *Name = getTargetIndexName(
+ *Op.getParent()->getParent()->getParent(), Op.getIndex()))
+ OS << Name;
+ else
+ OS << "<unknown>";
+ OS << ')';
+ printOffset(Op.getOffset());
+ break;
+ }
+ case MachineOperand::MO_JumpTableIndex:
+ OS << "%jump-table." << Op.getIndex();
+ break;
+ case MachineOperand::MO_ExternalSymbol:
+ OS << '$';
+ printLLVMNameWithoutPrefix(OS, Op.getSymbolName());
+ printOffset(Op.getOffset());
+ break;
case MachineOperand::MO_GlobalAddress:
Op.getGlobal()->printAsOperand(OS, /*PrintType=*/false, MST);
- // TODO: Print offset and target flags.
+ printOffset(Op.getOffset());
+ break;
+ case MachineOperand::MO_BlockAddress:
+ OS << "blockaddress(";
+ Op.getBlockAddress()->getFunction()->printAsOperand(OS, /*PrintType=*/false,
+ MST);
+ OS << ", ";
+ printIRBlockReference(*Op.getBlockAddress()->getBasicBlock());
+ OS << ')';
+ printOffset(Op.getOffset());
break;
case MachineOperand::MO_RegisterMask: {
auto RegMaskInfo = RegisterMaskIds.find(Op.getRegMask());
@@ -335,9 +814,157 @@ void MIPrinter::print(const MachineOperand &Op, const TargetRegisterInfo *TRI) {
llvm_unreachable("Can't print this machine register mask yet.");
break;
}
+ case MachineOperand::MO_RegisterLiveOut: {
+ const uint32_t *RegMask = Op.getRegLiveOut();
+ OS << "liveout(";
+ bool IsCommaNeeded = false;
+ for (unsigned Reg = 0, E = TRI->getNumRegs(); Reg < E; ++Reg) {
+ if (RegMask[Reg / 32] & (1U << (Reg % 32))) {
+ if (IsCommaNeeded)
+ OS << ", ";
+ printReg(Reg, OS, TRI);
+ IsCommaNeeded = true;
+ }
+ }
+ OS << ")";
+ break;
+ }
+ case MachineOperand::MO_Metadata:
+ Op.getMetadata()->printAsOperand(OS, MST);
+ break;
+ case MachineOperand::MO_MCSymbol:
+ OS << "<mcsymbol " << *Op.getMCSymbol() << ">";
+ break;
+ case MachineOperand::MO_CFIIndex: {
+ const auto &MMI = Op.getParent()->getParent()->getParent()->getMMI();
+ print(MMI.getFrameInstructions()[Op.getCFIIndex()], TRI);
+ break;
+ }
+ }
+}
+
+void MIPrinter::print(const MachineMemOperand &Op) {
+ OS << '(';
+ // TODO: Print operand's target specific flags.
+ if (Op.isVolatile())
+ OS << "volatile ";
+ if (Op.isNonTemporal())
+ OS << "non-temporal ";
+ if (Op.isInvariant())
+ OS << "invariant ";
+ if (Op.isLoad())
+ OS << "load ";
+ else {
+ assert(Op.isStore() && "Non load machine operand must be a store");
+ OS << "store ";
+ }
+ OS << Op.getSize() << (Op.isLoad() ? " from " : " into ");
+ if (const Value *Val = Op.getValue()) {
+ printIRValueReference(*Val);
+ } else {
+ const PseudoSourceValue *PVal = Op.getPseudoValue();
+ assert(PVal && "Expected a pseudo source value");
+ switch (PVal->kind()) {
+ case PseudoSourceValue::Stack:
+ OS << "stack";
+ break;
+ case PseudoSourceValue::GOT:
+ OS << "got";
+ break;
+ case PseudoSourceValue::JumpTable:
+ OS << "jump-table";
+ break;
+ case PseudoSourceValue::ConstantPool:
+ OS << "constant-pool";
+ break;
+ case PseudoSourceValue::FixedStack:
+ printStackObjectReference(
+ cast<FixedStackPseudoSourceValue>(PVal)->getFrameIndex());
+ break;
+ case PseudoSourceValue::GlobalValueCallEntry:
+ OS << "call-entry ";
+ cast<GlobalValuePseudoSourceValue>(PVal)->getValue()->printAsOperand(
+ OS, /*PrintType=*/false, MST);
+ break;
+ case PseudoSourceValue::ExternalSymbolCallEntry:
+ OS << "call-entry $";
+ printLLVMNameWithoutPrefix(
+ OS, cast<ExternalSymbolPseudoSourceValue>(PVal)->getSymbol());
+ break;
+ }
+ }
+ printOffset(Op.getOffset());
+ if (Op.getBaseAlignment() != Op.getSize())
+ OS << ", align " << Op.getBaseAlignment();
+ auto AAInfo = Op.getAAInfo();
+ if (AAInfo.TBAA) {
+ OS << ", !tbaa ";
+ AAInfo.TBAA->printAsOperand(OS, MST);
+ }
+ if (AAInfo.Scope) {
+ OS << ", !alias.scope ";
+ AAInfo.Scope->printAsOperand(OS, MST);
+ }
+ if (AAInfo.NoAlias) {
+ OS << ", !noalias ";
+ AAInfo.NoAlias->printAsOperand(OS, MST);
+ }
+ if (Op.getRanges()) {
+ OS << ", !range ";
+ Op.getRanges()->printAsOperand(OS, MST);
+ }
+ OS << ')';
+}
+
+static void printCFIRegister(unsigned DwarfReg, raw_ostream &OS,
+ const TargetRegisterInfo *TRI) {
+ int Reg = TRI->getLLVMRegNum(DwarfReg, true);
+ if (Reg == -1) {
+ OS << "<badreg>";
+ return;
+ }
+ printReg(Reg, OS, TRI);
+}
+
+void MIPrinter::print(const MCCFIInstruction &CFI,
+ const TargetRegisterInfo *TRI) {
+ switch (CFI.getOperation()) {
+ case MCCFIInstruction::OpSameValue:
+ OS << ".cfi_same_value ";
+ if (CFI.getLabel())
+ OS << "<mcsymbol> ";
+ printCFIRegister(CFI.getRegister(), OS, TRI);
+ break;
+ case MCCFIInstruction::OpOffset:
+ OS << ".cfi_offset ";
+ if (CFI.getLabel())
+ OS << "<mcsymbol> ";
+ printCFIRegister(CFI.getRegister(), OS, TRI);
+ OS << ", " << CFI.getOffset();
+ break;
+ case MCCFIInstruction::OpDefCfaRegister:
+ OS << ".cfi_def_cfa_register ";
+ if (CFI.getLabel())
+ OS << "<mcsymbol> ";
+ printCFIRegister(CFI.getRegister(), OS, TRI);
+ break;
+ case MCCFIInstruction::OpDefCfaOffset:
+ OS << ".cfi_def_cfa_offset ";
+ if (CFI.getLabel())
+ OS << "<mcsymbol> ";
+ OS << CFI.getOffset();
+ break;
+ case MCCFIInstruction::OpDefCfa:
+ OS << ".cfi_def_cfa ";
+ if (CFI.getLabel())
+ OS << "<mcsymbol> ";
+ printCFIRegister(CFI.getRegister(), OS, TRI);
+ OS << ", " << CFI.getOffset();
+ break;
default:
- // TODO: Print the other machine operands.
- llvm_unreachable("Can't print this machine operand at the moment");
+ // TODO: Print the other CFI Operations.
+ OS << "<unserializable cfi operation>";
+ break;
}
}
generated by cgit v1.2.3 (git 2.25.1) at 2024-11-11 07:23:38 +0000