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[IR] Split Intrinsics.inc into enums and implementations

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Implements PR34259

Intrinsics.h is a very popular header. Most LLVM TUs care about things
like dbg_value, but they don't care how they are implemented. After I
split these out, IntrinsicImpl.inc is 1.7 MB, so this saves each LLVM TU
from scanning 1.7 MB of source that gets pre-processed away.

It also means we can modify intrinsic properties without triggering a
full rebuild, but that's probably less of a win.

I think the next best thing to do would be to split out the target
intrinsics into their own header. Very, very few TUs care about
target-specific intrinsics. It's very hard to split up the target
independent intrinsics like llvm.expect, assume, and dbg.value, though.

llvm-svn: 335407
This commit is contained in:
Reid Kleckner 2018-06-23 02:02:38 +00:00
parent 5c25346912
commit f5890e4e43
10 changed files with 68 additions and 43 deletions
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3
llvm/include/llvm/IR/CMakeLists.txt
View File

@ -2,5 +2,6 @@ set(LLVM_TARGET_DEFINITIONS Attributes.td)
tablegen(LLVM Attributes.inc -gen-attrs)
set(LLVM_TARGET_DEFINITIONS Intrinsics.td)
tablegen(LLVM Intrinsics.inc -gen-intrinsic)
tablegen(LLVM IntrinsicEnums.inc -gen-intrinsic-enums)
tablegen(LLVM IntrinsicImpl.inc -gen-intrinsic-impl)
add_public_tablegen_target(intrinsics_gen)

2
llvm/include/llvm/IR/Intrinsics.h
View File

@ -39,7 +39,7 @@ namespace Intrinsic {
// Get the intrinsic enums generated from Intrinsics.td
#define GET_INTRINSIC_ENUM_VALUES
#include "llvm/IR/Intrinsics.inc"
#include "llvm/IR/IntrinsicEnums.inc"
#undef GET_INTRINSIC_ENUM_VALUES
, num_intrinsics
};

14
llvm/lib/IR/Function.cpp
View File

@ -487,13 +487,13 @@ void Function::copyAttributesFrom(const Function *Src) {
static const char * const IntrinsicNameTable[] = {
"not_intrinsic",
#define GET_INTRINSIC_NAME_TABLE
#include "llvm/IR/Intrinsics.inc"
#include "llvm/IR/IntrinsicImpl.inc"
#undef GET_INTRINSIC_NAME_TABLE
};
/// Table of per-target intrinsic name tables.
#define GET_INTRINSIC_TARGET_DATA
#include "llvm/IR/Intrinsics.inc"
#include "llvm/IR/IntrinsicImpl.inc"
#undef GET_INTRINSIC_TARGET_DATA
/// Find the segment of \c IntrinsicNameTable for intrinsics with the same
@ -840,7 +840,7 @@ static void DecodeIITType(unsigned &NextElt, ArrayRef<unsigned char> Infos,
}
#define GET_INTRINSIC_GENERATOR_GLOBAL
#include "llvm/IR/Intrinsics.inc"
#include "llvm/IR/IntrinsicImpl.inc"
#undef GET_INTRINSIC_GENERATOR_GLOBAL
void Intrinsic::getIntrinsicInfoTableEntries(ID id,
@ -977,7 +977,7 @@ FunctionType *Intrinsic::getType(LLVMContext &Context,
bool Intrinsic::isOverloaded(ID id) {
#define GET_INTRINSIC_OVERLOAD_TABLE
#include "llvm/IR/Intrinsics.inc"
#include "llvm/IR/IntrinsicImpl.inc"
#undef GET_INTRINSIC_OVERLOAD_TABLE
}
@ -995,7 +995,7 @@ bool Intrinsic::isLeaf(ID id) {
/// This defines the "Intrinsic::getAttributes(ID id)" method.
#define GET_INTRINSIC_ATTRIBUTES
#include "llvm/IR/Intrinsics.inc"
#include "llvm/IR/IntrinsicImpl.inc"
#undef GET_INTRINSIC_ATTRIBUTES
Function *Intrinsic::getDeclaration(Module *M, ID id, ArrayRef<Type*> Tys) {
@ -1008,12 +1008,12 @@ Function *Intrinsic::getDeclaration(Module *M, ID id, ArrayRef<Type*> Tys) {
// This defines the "Intrinsic::getIntrinsicForGCCBuiltin()" method.
#define GET_LLVM_INTRINSIC_FOR_GCC_BUILTIN
#include "llvm/IR/Intrinsics.inc"
#include "llvm/IR/IntrinsicImpl.inc"
#undef GET_LLVM_INTRINSIC_FOR_GCC_BUILTIN
// This defines the "Intrinsic::getIntrinsicForMSBuiltin()" method.
#define GET_LLVM_INTRINSIC_FOR_MS_BUILTIN
#include "llvm/IR/Intrinsics.inc"
#include "llvm/IR/IntrinsicImpl.inc"
#undef GET_LLVM_INTRINSIC_FOR_MS_BUILTIN
bool Intrinsic::matchIntrinsicType(Type *Ty, ArrayRef<Intrinsic::IITDescriptor> &Infos,

3
llvm/lib/Target/AMDGPU/CMakeLists.txt
View File

@ -7,7 +7,8 @@ tablegen(LLVM AMDGPUGenDAGISel.inc -gen-dag-isel)
tablegen(LLVM AMDGPUGenDFAPacketizer.inc -gen-dfa-packetizer)
tablegen(LLVM AMDGPUGenDisassemblerTables.inc -gen-disassembler)
tablegen(LLVM AMDGPUGenInstrInfo.inc -gen-instr-info)
tablegen(LLVM AMDGPUGenIntrinsics.inc -gen-tgt-intrinsic)
tablegen(LLVM AMDGPUGenIntrinsicEnums.inc -gen-tgt-intrinsic-enums)
tablegen(LLVM AMDGPUGenIntrinsicImpl.inc -gen-tgt-intrinsic-impl)
tablegen(LLVM AMDGPUGenMCCodeEmitter.inc -gen-emitter)
tablegen(LLVM AMDGPUGenMCPseudoLowering.inc -gen-pseudo-lowering)
tablegen(LLVM AMDGPUGenRegisterBank.inc -gen-register-bank)

2
llvm/test/TableGen/intrinsic-long-name.td
View File

@ -1,4 +1,4 @@
// RUN: llvm-tblgen -gen-intrinsic %s | FileCheck %s
// RUN: llvm-tblgen -gen-intrinsic-enums %s | FileCheck %s
// XFAIL: vg_leak
class IntrinsicProperty;

2
llvm/test/TableGen/intrinsic-struct.td
View File

@ -1,4 +1,4 @@
// RUN: llvm-tblgen -gen-intrinsic %s | FileCheck %s
// RUN: llvm-tblgen -gen-intrinsic-enums %s | FileCheck %s
// XFAIL: vg_leak
class IntrinsicProperty;

2
llvm/test/TableGen/intrinsic-varargs.td
View File

@ -1,4 +1,4 @@
// RUN: llvm-tblgen -gen-intrinsic %s | FileCheck %s
// RUN: llvm-tblgen -gen-intrinsic-impl %s | FileCheck %s
// XFAIL: vg_leak
class IntrinsicProperty;

50
llvm/utils/TableGen/IntrinsicEmitter.cpp
View File

@ -34,7 +34,7 @@ public:
IntrinsicEmitter(RecordKeeper &R, bool T)
: Records(R), TargetOnly(T) {}
void run(raw_ostream &OS);
void run(raw_ostream &OS, bool Enums);
void EmitPrefix(raw_ostream &OS);
@ -56,7 +56,7 @@ public:
// IntrinsicEmitter Implementation
//===----------------------------------------------------------------------===//
void IntrinsicEmitter::run(raw_ostream &OS) {
void IntrinsicEmitter::run(raw_ostream &OS, bool Enums) {
emitSourceFileHeader("Intrinsic Function Source Fragment", OS);
CodeGenIntrinsicTable Ints(Records, TargetOnly);
@ -66,29 +66,31 @@ void IntrinsicEmitter::run(raw_ostream &OS) {
EmitPrefix(OS);
// Emit the enum information.
EmitEnumInfo(Ints, OS);
if (Enums) {
// Emit the enum information.
EmitEnumInfo(Ints, OS);
} else {
// Emit the target metadata.
EmitTargetInfo(Ints, OS);
// Emit the target metadata.
EmitTargetInfo(Ints, OS);
// Emit the intrinsic ID -> name table.
EmitIntrinsicToNameTable(Ints, OS);
// Emit the intrinsic ID -> name table.
EmitIntrinsicToNameTable(Ints, OS);
// Emit the intrinsic ID -> overload table.
EmitIntrinsicToOverloadTable(Ints, OS);
// Emit the intrinsic ID -> overload table.
EmitIntrinsicToOverloadTable(Ints, OS);
// Emit the intrinsic declaration generator.
EmitGenerator(Ints, OS);
// Emit the intrinsic declaration generator.
EmitGenerator(Ints, OS);
// Emit the intrinsic parameter attributes.
EmitAttributes(Ints, OS);
// Emit the intrinsic parameter attributes.
EmitAttributes(Ints, OS);
// Emit code to translate GCC builtins into LLVM intrinsics.
EmitIntrinsicToBuiltinMap(Ints, true, OS);
// Emit code to translate GCC builtins into LLVM intrinsics.
EmitIntrinsicToBuiltinMap(Ints, true, OS);
// Emit code to translate MS builtins into LLVM intrinsics.
EmitIntrinsicToBuiltinMap(Ints, false, OS);
// Emit code to translate MS builtins into LLVM intrinsics.
EmitIntrinsicToBuiltinMap(Ints, false, OS);
}
EmitSuffix(OS);
}
@ -839,6 +841,12 @@ void IntrinsicEmitter::EmitIntrinsicToBuiltinMap(
OS << "#endif\n\n";
}
void llvm::EmitIntrinsics(RecordKeeper &RK, raw_ostream &OS, bool TargetOnly) {
IntrinsicEmitter(RK, TargetOnly).run(OS);
void llvm::EmitIntrinsicEnums(RecordKeeper &RK, raw_ostream &OS,
bool TargetOnly) {
IntrinsicEmitter(RK, TargetOnly).run(OS, /*Enums=*/true);
}
void llvm::EmitIntrinsicImpl(RecordKeeper &RK, raw_ostream &OS,
bool TargetOnly) {
IntrinsicEmitter(RK, TargetOnly).run(OS, /*Enums=*/false);
}

28
llvm/utils/TableGen/TableGen.cpp
View File

@ -38,8 +38,10 @@ enum ActionType {
GenDFAPacketizer,
GenFastISel,
GenSubtarget,
GenIntrinsic,
GenTgtIntrinsic,
GenIntrinsicEnums,
GenIntrinsicImpl,
GenTgtIntrinsicEnums,
GenTgtIntrinsicImpl,
PrintEnums,
PrintSets,
GenOptParserDefs,
@ -85,9 +87,13 @@ namespace {
"Generate a \"fast\" instruction selector"),
clEnumValN(GenSubtarget, "gen-subtarget",
"Generate subtarget enumerations"),
clEnumValN(GenIntrinsic, "gen-intrinsic",
clEnumValN(GenIntrinsicEnums, "gen-intrinsic-enums",
"Generate intrinsic enums"),
clEnumValN(GenIntrinsicImpl, "gen-intrinsic-impl",
"Generate intrinsic information"),
clEnumValN(GenTgtIntrinsic, "gen-tgt-intrinsic",
clEnumValN(GenTgtIntrinsicEnums, "gen-tgt-intrinsic-enums",
"Generate target intrinsic enums"),
clEnumValN(GenTgtIntrinsicImpl, "gen-tgt-intrinsic-impl",
"Generate target intrinsic information"),
clEnumValN(PrintEnums, "print-enums",
"Print enum values for a class"),
@ -162,11 +168,17 @@ bool LLVMTableGenMain(raw_ostream &OS, RecordKeeper &Records) {
case GenSubtarget:
EmitSubtarget(Records, OS);
break;
case GenIntrinsic:
EmitIntrinsics(Records, OS);
case GenIntrinsicEnums:
EmitIntrinsicEnums(Records, OS);
break;
case GenTgtIntrinsic:
EmitIntrinsics(Records, OS, true);
case GenIntrinsicImpl:
EmitIntrinsicImpl(Records, OS);
break;
case GenTgtIntrinsicEnums:
EmitIntrinsicEnums(Records, OS, true);
break;
case GenTgtIntrinsicImpl:
EmitIntrinsicImpl(Records, OS, true);
break;
case GenOptParserDefs:
EmitOptParser(Records, OS);

5
llvm/utils/TableGen/TableGenBackends.h
View File

@ -62,7 +62,10 @@ namespace llvm {
class raw_ostream;
class RecordKeeper;
void EmitIntrinsics(RecordKeeper &RK, raw_ostream &OS, bool TargetOnly = false);
void EmitIntrinsicEnums(RecordKeeper &RK, raw_ostream &OS,
bool TargetOnly = false);
void EmitIntrinsicImpl(RecordKeeper &RK, raw_ostream &OS,
bool TargetOnly = false);
void EmitAsmMatcher(RecordKeeper &RK, raw_ostream &OS);
void EmitAsmWriter(RecordKeeper &RK, raw_ostream &OS);
void EmitCallingConv(RecordKeeper &RK, raw_ostream &OS);