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//===- SPIRVAsm.h - --*- C++ -*-===//
//
// The LLVM/SPIRV Translator
//
// This file is distributed under the University of Illinois Open Source
// License. See LICENSE.TXT for details.
//
//===----------------------------------------------------------------------===//
/// \file
///
/// This file defines the inline assembler entries defined in SPIRV spec with op
/// codes.
///
//===----------------------------------------------------------------------===//
#ifndef SPIRV_LIBSPIRV_SPIRVASM_H
#define SPIRV_LIBSPIRV_SPIRVASM_H
#include "SPIRVEntry.h"
#include "SPIRVInstruction.h"
#include "SPIRVValue.h"
namespace SPIRV {
class SPIRVAsmTargetINTEL : public SPIRVEntry {
public:
static const SPIRVWord FixedWC = 2;
static const Op OC = OpAsmTargetINTEL;
// Complete constructor
SPIRVAsmTargetINTEL(SPIRVModule *M, SPIRVId TheId,
const std::string &TheTarget)
: SPIRVEntry(M, FixedWC + getSizeInWords(TheTarget), OC, TheId),
Target(TheTarget) {
validate();
}
// Incomplete constructor
SPIRVAsmTargetINTEL() : SPIRVEntry(OC) {}
SPIRVCapVec getRequiredCapability() const override {
return getVec(CapabilityAsmINTEL);
}
std::optional<ExtensionID> getRequiredExtension() const override {
return ExtensionID::SPV_INTEL_inline_assembly;
}
const std::string &getTarget() const { return Target; }
protected:
void validate() const override {
SPIRVEntry::validate();
assert(WordCount > FixedWC);
assert(OpCode == OC);
}
_SPIRV_DEF_ENCDEC2(Id, Target)
std::string Target;
};
class SPIRVAsmINTEL : public SPIRVValue {
public:
static const SPIRVWord FixedWC = 5;
static const Op OC = OpAsmINTEL;
// Complete constructor
SPIRVAsmINTEL(SPIRVModule *M, SPIRVTypeFunction *TheFunctionType,
SPIRVId TheId, SPIRVAsmTargetINTEL *TheTarget,
const std::string &TheInstructions,
const std::string &TheConstraints)
: SPIRVValue(M,
FixedWC + getSizeInWords(TheInstructions) +
getSizeInWords(TheConstraints),
OC, TheFunctionType->getReturnType(), TheId),
Target(TheTarget), FunctionType(TheFunctionType),
Instructions(TheInstructions), Constraints(TheConstraints) {
validate();
}
// Incomplete constructor
SPIRVAsmINTEL() : SPIRVValue(OC) {}
SPIRVCapVec getRequiredCapability() const override {
return getVec(CapabilityAsmINTEL);
}
std::optional<ExtensionID> getRequiredExtension() const override {
return ExtensionID::SPV_INTEL_inline_assembly;
}
const std::string &getInstructions() const { return Instructions; }
const std::string &getConstraints() const { return Constraints; }
SPIRVTypeFunction *getFunctionType() const { return FunctionType; }
protected:
_SPIRV_DEF_ENCDEC6(Type, Id, FunctionType, Target, Instructions, Constraints)
void validate() const override {
SPIRVValue::validate();
assert(WordCount > FixedWC);
assert(OpCode == OC);
}
SPIRVAsmTargetINTEL *Target = nullptr;
SPIRVTypeFunction *FunctionType = nullptr;
std::string Instructions;
std::string Constraints;
};
class SPIRVAsmCallINTEL : public SPIRVInstruction {
public:
static const SPIRVWord FixedWC = 4;
static const Op OC = OpAsmCallINTEL;
// Complete constructor
SPIRVAsmCallINTEL(SPIRVId TheId, SPIRVAsmINTEL *TheAsm,
const std::vector<SPIRVWord> &TheArgs,
SPIRVBasicBlock *TheBB)
: SPIRVInstruction(FixedWC + TheArgs.size(), OC, TheAsm->getType(), TheId,
TheBB),
Asm(TheAsm), Args(TheArgs) {
validate();
}
// Incomplete constructor
SPIRVAsmCallINTEL() : SPIRVInstruction(OC) {}
SPIRVCapVec getRequiredCapability() const override {
return getVec(CapabilityAsmINTEL);
}
std::optional<ExtensionID> getRequiredExtension() const override {
return ExtensionID::SPV_INTEL_inline_assembly;
}
bool isOperandLiteral(unsigned int Index) const override { return false; }
void setWordCount(SPIRVWord TheWordCount) override {
SPIRVEntry::setWordCount(TheWordCount);
Args.resize(TheWordCount - FixedWC);
}
const std::vector<SPIRVWord> &getArguments() const { return Args; }
SPIRVAsmINTEL *getAsm() const { return Asm; }
protected:
_SPIRV_DEF_ENCDEC4(Type, Id, Asm, Args)
void validate() const override {
SPIRVInstruction::validate();
assert(WordCount >= FixedWC);
assert(OpCode == OC);
assert(getBasicBlock() && "Invalid BB");
assert(getBasicBlock()->getModule() == Asm->getModule());
}
SPIRVAsmINTEL *Asm = nullptr;
std::vector<SPIRVWord> Args;
};
} // namespace SPIRV
#endif // SPIRV_LIBSPIRV_SPIRVASM_H
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