26 "_Unwind_Wasm_CallPersonality";
31 if (
MI.getNumOperands() == 0)
41 switch (
MI.getOpcode()) {
42 case WebAssembly::THROW:
43 case WebAssembly::THROW_S:
44 case WebAssembly::RETHROW:
45 case WebAssembly::RETHROW_S:
63 if (strcmp(
Name,
"memcpy") == 0 || strcmp(
Name,
"memmove") == 0 ||
64 strcmp(
Name,
"memset") == 0)
69 const auto *
F = dyn_cast<Function>(MO.
getGlobal());
72 if (
F->doesNotThrow())
85 switch (
MI.getOpcode()) {
86 case WebAssembly::CALL:
87 case WebAssembly::CALL_S:
88 case WebAssembly::RET_CALL:
89 case WebAssembly::RET_CALL_S:
90 return MI.getOperand(
MI.getNumExplicitDefs());
91 case WebAssembly::CALL_INDIRECT:
92 case WebAssembly::CALL_INDIRECT_S:
93 case WebAssembly::RET_CALL_INDIRECT:
94 case WebAssembly::RET_CALL_INDIRECT_S:
95 return MI.getOperand(
MI.getNumExplicitOperands() - 1);
106 if (!
Sym->isFunctionTable())
110 Sym->setFunctionTable();
116 Sym->setOmitFromLinkingSection();
125 if (!
Sym->isFunctionTable())
137 Sym->setTableType(TableType);
141 Sym->setOmitFromLinkingSection();
148 auto Pos = EHPad->
begin();
151 while (Pos != EHPad->
end() &&
152 (Pos->isLabel() || Pos->isDebugInstr() ||
isMarker(Pos->getOpcode())))
161 switch (RC->
getID()) {
162 case WebAssembly::I32RegClassID:
163 return WebAssembly::COPY_I32;
164 case WebAssembly::I64RegClassID:
165 return WebAssembly::COPY_I64;
166 case WebAssembly::F32RegClassID:
167 return WebAssembly::COPY_F32;
168 case WebAssembly::F64RegClassID:
169 return WebAssembly::COPY_F64;
170 case WebAssembly::V128RegClassID:
171 return WebAssembly::COPY_V128;
172 case WebAssembly::FUNCREFRegClassID:
173 return WebAssembly::COPY_FUNCREF;
174 case WebAssembly::EXTERNREFRegClassID:
175 return WebAssembly::COPY_EXTERNREF;
assert(ImpDefSCC.getReg()==AMDGPU::SCC &&ImpDefSCC.isDef())
This file declares WebAssembly-specific per-machine-function information.
This file contains the declaration of the WebAssembly-specific utility functions.
Context object for machine code objects.
MCSymbol * lookupSymbol(const Twine &Name) const
Get the symbol for Name, or null.
void reportError(SMLoc L, const Twine &Msg)
MCSymbol * getOrCreateSymbol(const Twine &Name)
Lookup the symbol inside with the specified Name.
bool isEHPad() const
Returns true if the block is a landing pad.
Representation of each machine instruction.
MachineOperand class - Representation of each machine instruction operand.
const GlobalValue * getGlobal() const
bool isReg() const
isReg - Tests if this is a MO_Register operand.
bool isSymbol() const
isSymbol - Tests if this is a MO_ExternalSymbol operand.
bool isGlobal() const
isGlobal - Tests if this is a MO_GlobalAddress operand.
const char * getSymbolName() const
Register getReg() const
getReg - Returns the register number.
Wrapper class representing virtual and physical registers.
Represents a location in source code.
StringRef - Represent a constant reference to a string, i.e.
unsigned getID() const
Return the register class ID number.
This class is derived from MachineFunctionInfo and contains private WebAssembly-specific information ...
bool isVRegStackified(unsigned VReg) const
bool hasReferenceTypes() const
#define llvm_unreachable(msg)
Marks that the current location is not supposed to be reachable.
const char *const StdTerminateFn
const char *const CxaBeginCatchFn
bool isChild(const MachineInstr &MI, const WebAssemblyFunctionInfo &MFI)
Test whether MI is a child of some other node in an expression tree.
bool isCallIndirect(unsigned Opc)
const char *const CxaRethrowFn
MCSymbolWasm * getOrCreateFunctionTableSymbol(MCContext &Ctx, const WebAssemblySubtarget *Subtarget)
Returns the __indirect_function_table, for use in call_indirect and in function bitcasts.
bool isMarker(unsigned Opc)
unsigned getCopyOpcodeForRegClass(const TargetRegisterClass *RC)
Returns the appropriate copy opcode for the given register class.
const MachineOperand & getCalleeOp(const MachineInstr &MI)
Returns the operand number of a callee, assuming the argument is a call instruction.
MachineInstr * findCatch(MachineBasicBlock *EHPad)
Find a catch instruction from an EH pad.
bool isCatch(unsigned Opc)
MCSymbolWasm * getOrCreateFuncrefCallTableSymbol(MCContext &Ctx, const WebAssemblySubtarget *Subtarget)
Returns the __funcref_call_table, for use in funcref calls when lowered to table.set + call_indirect.
const char *const PersonalityWrapperFn
bool mayThrow(const MachineInstr &MI)
This is an optimization pass for GlobalISel generic memory operations.