Update tblgen command guide. Remove unused tblgen InstrEnumEmitter files.

git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@151513 91177308-0d34-0410-b5e6-96231b3b80d8
This commit is contained in:
Craig Topper 2012-02-27 02:31:09 +00:00
parent c4a238c20f
commit a1c5b8e1e6
4 changed files with 39 additions and 97 deletions

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@ -41,6 +41,10 @@ Specify where to find other target description files for inclusion. The
F<directory> value should be a full or partial path to a directory that contains
target description files.
=item B<-asmparsernum> F<N>
Make -gen-asm-parser emit assembly writer number F<N>.
=item B<-asmwriternum> F<N>
Make -gen-asm-writer emit assembly writer number F<N>.
@ -57,27 +61,19 @@ Print all records to standard output (default).
Print enumeration values for a class
=item B<-print-sets>
Print expanded sets for testing DAG exprs.
=item B<-gen-emitter>
Generate machine code emitter.
=item B<-gen-register-enums>
=item B<-gen-register-info>
Generate the enumeration values for all registers.
Generate registers and register classes info.
=item B<-gen-register-desc>
Generate a register info description for each register.
=item B<-gen-register-desc-header>
Generate a register info description header for each register.
=item B<-gen-instr-enums>
Generate enumeration values for instructions.
=item B<-gen-instr-desc>
=item B<-gen-instr-info>
Generate instruction descriptions.
@ -85,10 +81,30 @@ Generate instruction descriptions.
Generate the assembly writer.
=item B<-gen-disassembler>
Generate disassembler.
=item B<-gen-pseudo-lowering>
Generate pseudo instruction lowering.
=item B<-gen-dag-isel>
Generate a DAG (Directed Acycle Graph) instruction selector.
=item B<-gen-asm-matcher>
Generate assembly instruction matcher.
=item B<-gen-dfa-packetizer>
Generate DFA Packetizer for VLIW targets.
=item B<-gen-fast-isel>
Generate a "fast" instruction selector.
=item B<-gen-subtarget>
Generate subtarget enumerations.
@ -97,6 +113,14 @@ Generate subtarget enumerations.
Generate intrinsic information.
=item B<-gen-tgt-intrinsic>
Generate target intrinsic information.
=item B<-gen-enhanced-disassembly-info>
Generate enhanced disassembly info.
=item B<-version>
Show the version number of this program.

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@ -22,7 +22,6 @@ add_tablegen(llvm-tblgen LLVM
EDEmitter.cpp
FastISelEmitter.cpp
FixedLenDecoderEmitter.cpp
InstrEnumEmitter.cpp
InstrInfoEmitter.cpp
IntrinsicEmitter.cpp
PseudoLoweringEmitter.cpp

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@ -1,48 +0,0 @@
//===- InstrEnumEmitter.cpp - Generate Instruction Set Enums --------------===//
//
// The LLVM Compiler Infrastructure
//
// This file is distributed under the University of Illinois Open Source
// License. See LICENSE.TXT for details.
//
//===----------------------------------------------------------------------===//
//
// This tablegen backend is responsible for emitting enums for each machine
// instruction.
//
//===----------------------------------------------------------------------===//
#include "InstrEnumEmitter.h"
#include "CodeGenTarget.h"
#include "llvm/TableGen/Record.h"
#include <cstdio>
using namespace llvm;
// runEnums - Print out enum values for all of the instructions.
void InstrEnumEmitter::run(raw_ostream &OS) {
EmitSourceFileHeader("Target Instruction Enum Values", OS);
OS << "namespace llvm {\n\n";
CodeGenTarget Target(Records);
// We must emit the PHI opcode first...
std::string Namespace = Target.getInstNamespace();
if (Namespace.empty()) {
fprintf(stderr, "No instructions defined!\n");
exit(1);
}
const std::vector<const CodeGenInstruction*> &NumberedInstructions =
Target.getInstructionsByEnumValue();
OS << "namespace " << Namespace << " {\n";
OS << " enum {\n";
for (unsigned i = 0, e = NumberedInstructions.size(); i != e; ++i) {
OS << " " << NumberedInstructions[i]->TheDef->getName()
<< "\t= " << i << ",\n";
}
OS << " INSTRUCTION_LIST_END = " << NumberedInstructions.size() << "\n";
OS << " };\n}\n";
OS << "} // End llvm namespace \n";
}

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@ -1,33 +0,0 @@
//===- InstrEnumEmitter.h - Generate Instruction Set Enums ------*- C++ -*-===//
//
// The LLVM Compiler Infrastructure
//
// This file is distributed under the University of Illinois Open Source
// License. See LICENSE.TXT for details.
//
//===----------------------------------------------------------------------===//
//
// This tablegen backend is responsible for emitting enums for each machine
// instruction.
//
//===----------------------------------------------------------------------===//
#ifndef INSTRENUM_EMITTER_H
#define INSTRENUM_EMITTER_H
#include "llvm/TableGen/TableGenBackend.h"
namespace llvm {
class InstrEnumEmitter : public TableGenBackend {
RecordKeeper &Records;
public:
InstrEnumEmitter(RecordKeeper &R) : Records(R) {}
// run - Output the instruction set description, returning true on failure.
void run(raw_ostream &OS);
};
} // End llvm namespace
#endif