mirror of
https://github.com/carbon-language/carbon-lang.git
synced 2026-09-29 11:44:59 +01:00
Richard Smith
2584399673
Provide a general mechanism for determining the kind of the args of an instruction. Use this to simplify instruction profiling a little. The intent is to also use this mechanism as the basis of a substitution mechanism, which will be part of a future patch. Note that this causes us to do three table lookups and two indirect calls in inst_profile per instruction, instead of one table lookup and one indirect call. We can revisit this if it shows up in profiles.
54 lines
1.6 KiB
C++
54 lines
1.6 KiB
C++
// Part of the Carbon Language project, under the Apache License v2.0 with LLVM
|
|
// Exceptions. See /LICENSE for license information.
|
|
// SPDX-License-Identifier: Apache-2.0 WITH LLVM-exception
|
|
|
|
#include "toolchain/sem_ir/inst.h"
|
|
|
|
namespace Carbon::SemIR {
|
|
|
|
auto Inst::Print(llvm::raw_ostream& out) const -> void {
|
|
out << "{kind: " << kind_;
|
|
|
|
auto print_args = [&](auto info) {
|
|
using Info = decltype(info);
|
|
if constexpr (Info::NumArgs > 0) {
|
|
out << ", arg0: " << FromRaw<typename Info::template ArgType<0>>(arg0_);
|
|
}
|
|
if constexpr (Info::NumArgs > 1) {
|
|
out << ", arg1: " << FromRaw<typename Info::template ArgType<1>>(arg1_);
|
|
}
|
|
};
|
|
|
|
switch (kind_) {
|
|
#define CARBON_SEM_IR_INST_KIND(Name) \
|
|
case Name::Kind: \
|
|
print_args(Internal::InstLikeTypeInfo<Name>()); \
|
|
break;
|
|
#include "toolchain/sem_ir/inst_kind.def"
|
|
}
|
|
if (type_id_.is_valid()) {
|
|
out << ", type: " << type_id_;
|
|
}
|
|
out << "}";
|
|
}
|
|
|
|
// Returns the IdKind of an instruction's argument, or None if there is no
|
|
// argument with that index.
|
|
template <typename InstKind, int ArgIndex>
|
|
static constexpr auto IdKindFor() -> IdKind {
|
|
using Info = Internal::InstLikeTypeInfo<InstKind>;
|
|
if constexpr (ArgIndex < Info::NumArgs) {
|
|
return IdKind::For<typename Info::template ArgType<ArgIndex>>;
|
|
} else {
|
|
return IdKind::None;
|
|
}
|
|
}
|
|
|
|
const std::pair<IdKind, IdKind> Inst::ArgKindTable[] = {
|
|
#define CARBON_SEM_IR_INST_KIND(Name) \
|
|
{IdKindFor<Name, 0>(), IdKindFor<Name, 1>()},
|
|
#include "toolchain/sem_ir/inst_kind.def"
|
|
};
|
|
|
|
} // namespace Carbon::SemIR
|