mirror of
https://github.com/c64scene-ar/llvm-6502.git
synced 2024-07-19 03:29:22 +00:00
9e493cfcc3
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@26495 91177308-0d34-0410-b5e6-96231b3b80d8
71 lines
2.5 KiB
C++
71 lines
2.5 KiB
C++
//===- IntrinsicEmitter.cpp - Generate intrinsic information --------------===//
|
|
//
|
|
// The LLVM Compiler Infrastructure
|
|
//
|
|
// This file was developed by Chris Lattner and is distributed under
|
|
// the University of Illinois Open Source License. See LICENSE.TXT for details.
|
|
//
|
|
//===----------------------------------------------------------------------===//
|
|
//
|
|
// This tablegen backend emits information about intrinsic functions.
|
|
//
|
|
//===----------------------------------------------------------------------===//
|
|
|
|
#include "IntrinsicEmitter.h"
|
|
#include "Record.h"
|
|
using namespace llvm;
|
|
|
|
//===----------------------------------------------------------------------===//
|
|
// CodeGenIntrinsic Implementation
|
|
//===----------------------------------------------------------------------===//
|
|
|
|
std::vector<CodeGenIntrinsic> llvm::LoadIntrinsics(const RecordKeeper &RC) {
|
|
std::vector<Record*> I = RC.getAllDerivedDefinitions("Intrinsic");
|
|
return std::vector<CodeGenIntrinsic>(I.begin(), I.end());
|
|
}
|
|
|
|
CodeGenIntrinsic::CodeGenIntrinsic(Record *R) {
|
|
std::string DefName = R->getName();
|
|
|
|
if (DefName.size() <= 4 ||
|
|
std::string(DefName.begin(), DefName.begin()+4) != "int_")
|
|
throw "Intrinsic '" + DefName + "' does not start with 'int_'!";
|
|
EnumName = std::string(DefName.begin()+4, DefName.end());
|
|
|
|
Name = R->getValueAsString("LLVMName");
|
|
if (Name == "") {
|
|
// If an explicit name isn't specified, derive one from the DefName.
|
|
Name = "llvm.";
|
|
for (unsigned i = 0, e = EnumName.size(); i != e; ++i)
|
|
if (EnumName[i] == '_')
|
|
Name += '.';
|
|
else
|
|
Name += EnumName[i];
|
|
}
|
|
}
|
|
|
|
//===----------------------------------------------------------------------===//
|
|
// IntrinsicEmitter Implementation
|
|
//===----------------------------------------------------------------------===//
|
|
|
|
void IntrinsicEmitter::run(std::ostream &OS) {
|
|
EmitSourceFileHeader("Intrinsic Function Source Fragment", OS);
|
|
|
|
std::vector<CodeGenIntrinsic> Ints = LoadIntrinsics(Records);
|
|
|
|
// Emit the enum information.
|
|
EmitEnumInfo(Ints, OS);
|
|
}
|
|
|
|
void IntrinsicEmitter::EmitEnumInfo(const std::vector<CodeGenIntrinsic> &Ints,
|
|
std::ostream &OS) {
|
|
OS << "#ifdef GET_INTRINSIC_ENUM_VALUES\n";
|
|
for (unsigned i = 0, e = Ints.size(); i != e; ++i) {
|
|
OS << " " << Ints[i].EnumName;
|
|
OS << ((i != e-1) ? ", " : " ");
|
|
OS << std::string(40-Ints[i].EnumName.size(), ' ')
|
|
<< "// " << Ints[i].Name << "\n";
|
|
}
|
|
OS << "#endif\n\n";
|
|
}
|