2008-01-06 01:35:39 +00:00
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//===- CodeGenTarget.cpp - CodeGen Target Class Wrapper -------------------===//
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2005-04-22 00:00:37 +00:00
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//
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2003-10-20 20:20:30 +00:00
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// The LLVM Compiler Infrastructure
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//
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2007-12-29 20:37:13 +00:00
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// This file is distributed under the University of Illinois Open Source
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// License. See LICENSE.TXT for details.
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2005-04-22 00:00:37 +00:00
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//
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2003-10-20 20:20:30 +00:00
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//===----------------------------------------------------------------------===//
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2003-08-07 05:38:11 +00:00
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//
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2008-01-06 01:35:39 +00:00
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// This class wraps target description classes used by the various code
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2003-08-07 05:38:11 +00:00
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// generation TableGen backends. This makes it easier to access the data and
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// provides a single place that needs to check it for validity. All of these
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2012-10-25 20:33:17 +00:00
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// classes abort on error conditions.
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2003-08-07 05:38:11 +00:00
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//
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//===----------------------------------------------------------------------===//
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2004-08-01 04:04:35 +00:00
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#include "CodeGenTarget.h"
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2006-03-24 19:49:31 +00:00
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#include "CodeGenIntrinsics.h"
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2012-07-07 04:00:00 +00:00
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#include "CodeGenSchedule.h"
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2010-03-27 20:32:26 +00:00
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#include "llvm/ADT/STLExtras.h"
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2012-12-04 10:37:14 +00:00
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#include "llvm/ADT/StringExtras.h"
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2004-10-03 19:34:31 +00:00
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#include "llvm/Support/CommandLine.h"
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2012-12-04 10:37:14 +00:00
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#include "llvm/TableGen/Error.h"
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#include "llvm/TableGen/Record.h"
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2005-10-14 03:54:49 +00:00
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#include <algorithm>
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2004-08-01 03:55:39 +00:00
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using namespace llvm;
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2003-11-11 22:41:34 +00:00
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2009-07-29 00:02:19 +00:00
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static cl::opt<unsigned>
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AsmParserNum("asmparsernum", cl::init(0),
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cl::desc("Make -gen-asm-parser emit assembly parser #N"));
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2004-10-03 19:34:31 +00:00
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static cl::opt<unsigned>
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AsmWriterNum("asmwriternum", cl::init(0),
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cl::desc("Make -gen-asm-writer emit assembly writer #N"));
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2009-08-11 20:47:22 +00:00
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/// getValueType - Return the MVT::SimpleValueType that the specified TableGen
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2008-06-06 12:08:01 +00:00
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/// record corresponds to.
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2009-08-11 20:47:22 +00:00
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MVT::SimpleValueType llvm::getValueType(Record *Rec) {
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return (MVT::SimpleValueType)Rec->getValueAsInt("Value");
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2003-08-07 05:38:11 +00:00
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}
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2009-08-11 20:47:22 +00:00
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std::string llvm::getName(MVT::SimpleValueType T) {
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2003-08-07 05:38:11 +00:00
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switch (T) {
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2009-08-11 20:47:22 +00:00
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case MVT::Other: return "UNKNOWN";
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case MVT::iPTR: return "TLI.getPointerTy()";
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case MVT::iPTRAny: return "TLI.getPointerTy()";
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2009-07-10 22:25:24 +00:00
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default: return getEnumName(T);
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2003-08-07 05:38:11 +00:00
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}
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2003-08-07 23:15:21 +00:00
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}
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2009-08-11 20:47:22 +00:00
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std::string llvm::getEnumName(MVT::SimpleValueType T) {
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2003-08-10 19:50:32 +00:00
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switch (T) {
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2010-09-07 18:49:14 +00:00
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case MVT::Other: return "MVT::Other";
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case MVT::i1: return "MVT::i1";
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case MVT::i8: return "MVT::i8";
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case MVT::i16: return "MVT::i16";
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case MVT::i32: return "MVT::i32";
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case MVT::i64: return "MVT::i64";
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case MVT::i128: return "MVT::i128";
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case MVT::iAny: return "MVT::iAny";
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case MVT::fAny: return "MVT::fAny";
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case MVT::vAny: return "MVT::vAny";
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2011-12-20 00:02:33 +00:00
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case MVT::f16: return "MVT::f16";
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2010-09-07 18:49:14 +00:00
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case MVT::f32: return "MVT::f32";
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case MVT::f64: return "MVT::f64";
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case MVT::f80: return "MVT::f80";
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case MVT::f128: return "MVT::f128";
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2009-08-11 20:47:22 +00:00
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case MVT::ppcf128: return "MVT::ppcf128";
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2010-09-07 20:03:56 +00:00
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case MVT::x86mmx: return "MVT::x86mmx";
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2010-12-21 02:38:05 +00:00
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case MVT::Glue: return "MVT::Glue";
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2010-09-07 18:49:14 +00:00
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case MVT::isVoid: return "MVT::isVoid";
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2012-09-19 22:47:07 +00:00
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case MVT::v2i1: return "MVT::v2i1";
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case MVT::v4i1: return "MVT::v4i1";
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case MVT::v8i1: return "MVT::v8i1";
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case MVT::v16i1: return "MVT::v16i1";
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2012-12-24 10:03:57 +00:00
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case MVT::v32i1: return "MVT::v32i1";
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case MVT::v64i1: return "MVT::v64i1";
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2013-09-24 02:47:27 +00:00
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case MVT::v1i8: return "MVT::v1i8";
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2010-09-07 18:49:14 +00:00
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case MVT::v2i8: return "MVT::v2i8";
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case MVT::v4i8: return "MVT::v4i8";
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case MVT::v8i8: return "MVT::v8i8";
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case MVT::v16i8: return "MVT::v16i8";
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case MVT::v32i8: return "MVT::v32i8";
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2012-12-24 10:03:57 +00:00
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case MVT::v64i8: return "MVT::v64i8";
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2012-09-19 22:47:07 +00:00
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case MVT::v1i16: return "MVT::v1i16";
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2010-09-07 18:49:14 +00:00
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case MVT::v2i16: return "MVT::v2i16";
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case MVT::v4i16: return "MVT::v4i16";
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case MVT::v8i16: return "MVT::v8i16";
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case MVT::v16i16: return "MVT::v16i16";
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2012-12-24 10:03:57 +00:00
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case MVT::v32i16: return "MVT::v32i16";
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2012-09-19 22:47:07 +00:00
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case MVT::v1i32: return "MVT::v1i32";
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2010-09-07 18:49:14 +00:00
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case MVT::v2i32: return "MVT::v2i32";
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case MVT::v4i32: return "MVT::v4i32";
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case MVT::v8i32: return "MVT::v8i32";
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2012-09-19 22:47:07 +00:00
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case MVT::v16i32: return "MVT::v16i32";
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2010-09-07 18:49:14 +00:00
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case MVT::v1i64: return "MVT::v1i64";
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case MVT::v2i64: return "MVT::v2i64";
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case MVT::v4i64: return "MVT::v4i64";
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case MVT::v8i64: return "MVT::v8i64";
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2012-09-19 22:47:07 +00:00
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case MVT::v16i64: return "MVT::v16i64";
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2012-01-12 23:14:13 +00:00
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case MVT::v2f16: return "MVT::v2f16";
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2013-10-03 03:29:21 +00:00
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case MVT::v4f16: return "MVT::v4f16";
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2013-08-13 22:34:26 +00:00
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case MVT::v8f16: return "MVT::v8f16";
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2013-09-24 02:47:27 +00:00
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case MVT::v1f32: return "MVT::v1f32";
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2010-09-07 18:49:14 +00:00
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case MVT::v2f32: return "MVT::v2f32";
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case MVT::v4f32: return "MVT::v4f32";
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case MVT::v8f32: return "MVT::v8f32";
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2012-12-24 10:03:57 +00:00
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case MVT::v16f32: return "MVT::v16f32";
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2013-09-24 02:47:27 +00:00
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case MVT::v1f64: return "MVT::v1f64";
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2010-09-07 18:49:14 +00:00
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case MVT::v2f64: return "MVT::v2f64";
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case MVT::v4f64: return "MVT::v4f64";
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2012-12-24 10:03:57 +00:00
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case MVT::v8f64: return "MVT::v8f64";
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2009-08-11 20:47:22 +00:00
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case MVT::Metadata: return "MVT::Metadata";
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2010-09-07 18:49:14 +00:00
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case MVT::iPTR: return "MVT::iPTR";
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2009-08-11 20:47:22 +00:00
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case MVT::iPTRAny: return "MVT::iPTRAny";
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2011-11-16 01:02:57 +00:00
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case MVT::Untyped: return "MVT::Untyped";
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2012-02-05 07:21:30 +00:00
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default: llvm_unreachable("ILLEGAL VALUE TYPE!");
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2003-08-10 19:50:32 +00:00
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}
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}
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2008-01-05 22:25:12 +00:00
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/// getQualifiedName - Return the name of the specified record, with a
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/// namespace qualifier if the record contains one.
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///
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std::string llvm::getQualifiedName(const Record *R) {
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2011-05-07 21:22:39 +00:00
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std::string Namespace;
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if (R->getValue("Namespace"))
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Namespace = R->getValueAsString("Namespace");
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2008-01-05 22:25:12 +00:00
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if (Namespace.empty()) return R->getName();
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return Namespace + "::" + R->getName();
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}
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2003-08-07 05:38:11 +00:00
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/// getTarget - Return the current instance of the Target class.
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///
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2011-06-10 18:40:00 +00:00
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CodeGenTarget::CodeGenTarget(RecordKeeper &records)
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2012-07-07 04:00:00 +00:00
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: Records(records), RegBank(0), SchedModels(0) {
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2003-08-07 05:38:11 +00:00
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std::vector<Record*> Targets = Records.getAllDerivedDefinitions("Target");
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2004-06-04 14:59:42 +00:00
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if (Targets.size() == 0)
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2012-10-25 20:33:17 +00:00
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PrintFatalError("ERROR: No 'Target' subclasses defined!");
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2003-08-07 05:38:11 +00:00
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if (Targets.size() != 1)
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2012-10-25 20:33:17 +00:00
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PrintFatalError("ERROR: Multiple subclasses of Target defined!");
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2003-08-07 05:38:11 +00:00
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TargetRec = Targets[0];
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}
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2012-07-07 04:00:00 +00:00
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CodeGenTarget::~CodeGenTarget() {
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2014-02-06 06:27:59 +00:00
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DeleteContainerSeconds(Instructions);
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2012-07-07 04:00:00 +00:00
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delete RegBank;
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delete SchedModels;
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}
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2003-08-07 05:38:11 +00:00
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const std::string &CodeGenTarget::getName() const {
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return TargetRec->getName();
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}
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2008-08-20 21:45:57 +00:00
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std::string CodeGenTarget::getInstNamespace() const {
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for (inst_iterator i = inst_begin(), e = inst_end(); i != e; ++i) {
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2010-03-19 01:00:55 +00:00
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// Make sure not to pick up "TargetOpcode" by accidentally getting
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2008-08-20 21:45:57 +00:00
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// the namespace off the PHI instruction or something.
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2010-03-19 01:00:55 +00:00
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if ((*i)->Namespace != "TargetOpcode")
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return (*i)->Namespace;
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2008-08-20 21:45:57 +00:00
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}
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2010-03-19 01:00:55 +00:00
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return "";
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2008-08-20 21:45:57 +00:00
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}
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2003-08-07 05:38:11 +00:00
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Record *CodeGenTarget::getInstructionSet() const {
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return TargetRec->getValueAsDef("InstructionSet");
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}
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2003-11-11 22:41:34 +00:00
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2010-03-19 00:07:20 +00:00
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2009-07-29 00:02:19 +00:00
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/// getAsmParser - Return the AssemblyParser definition for this target.
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///
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Record *CodeGenTarget::getAsmParser() const {
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std::vector<Record*> LI = TargetRec->getValueAsListOfDefs("AssemblyParsers");
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if (AsmParserNum >= LI.size())
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2012-10-25 20:33:17 +00:00
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PrintFatalError("Target does not have an AsmParser #" + utostr(AsmParserNum) + "!");
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2009-07-29 00:02:19 +00:00
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return LI[AsmParserNum];
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}
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2012-01-09 19:13:28 +00:00
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/// getAsmParserVariant - Return the AssmblyParserVariant definition for
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/// this target.
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///
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Record *CodeGenTarget::getAsmParserVariant(unsigned i) const {
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2012-07-07 03:59:51 +00:00
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std::vector<Record*> LI =
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2012-01-09 19:13:28 +00:00
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TargetRec->getValueAsListOfDefs("AssemblyParserVariants");
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if (i >= LI.size())
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2012-10-25 20:33:17 +00:00
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PrintFatalError("Target does not have an AsmParserVariant #" + utostr(i) + "!");
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2012-01-09 19:13:28 +00:00
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return LI[i];
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}
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2012-07-07 03:59:51 +00:00
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/// getAsmParserVariantCount - Return the AssmblyParserVariant definition
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2012-01-09 19:13:28 +00:00
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/// available for this target.
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///
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unsigned CodeGenTarget::getAsmParserVariantCount() const {
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2012-07-07 03:59:51 +00:00
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std::vector<Record*> LI =
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2012-01-09 19:13:28 +00:00
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TargetRec->getValueAsListOfDefs("AssemblyParserVariants");
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return LI.size();
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}
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2004-08-14 22:50:53 +00:00
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/// getAsmWriter - Return the AssemblyWriter definition for this target.
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///
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Record *CodeGenTarget::getAsmWriter() const {
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2005-10-28 22:49:02 +00:00
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std::vector<Record*> LI = TargetRec->getValueAsListOfDefs("AssemblyWriters");
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if (AsmWriterNum >= LI.size())
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2012-10-25 20:33:17 +00:00
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PrintFatalError("Target does not have an AsmWriter #" + utostr(AsmWriterNum) + "!");
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2005-10-28 22:49:02 +00:00
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return LI[AsmWriterNum];
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2004-08-14 22:50:53 +00:00
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}
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2011-06-10 18:40:00 +00:00
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CodeGenRegBank &CodeGenTarget::getRegBank() const {
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if (!RegBank)
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RegBank = new CodeGenRegBank(Records);
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return *RegBank;
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}
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2011-06-27 21:06:21 +00:00
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void CodeGenTarget::ReadRegAltNameIndices() const {
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RegAltNameIndices = Records.getAllDerivedDefinitions("RegAltNameIndex");
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std::sort(RegAltNameIndices.begin(), RegAltNameIndices.end(), LessRecord());
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}
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2010-11-02 18:10:06 +00:00
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/// getRegisterByName - If there is a register with the specific AsmName,
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/// return it.
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const CodeGenRegister *CodeGenTarget::getRegisterByName(StringRef Name) const {
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2012-09-11 23:32:17 +00:00
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const StringMap<CodeGenRegister*> &Regs = getRegBank().getRegistersByName();
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StringMap<CodeGenRegister*>::const_iterator I = Regs.find(Name);
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if (I == Regs.end())
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return 0;
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return I->second;
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2010-11-02 18:10:06 +00:00
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}
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2010-03-15 06:00:16 +00:00
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std::vector<MVT::SimpleValueType> CodeGenTarget::
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getRegisterVTs(Record *R) const {
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2011-06-15 04:50:36 +00:00
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const CodeGenRegister *Reg = getRegBank().getReg(R);
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2010-03-15 06:00:16 +00:00
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std::vector<MVT::SimpleValueType> Result;
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2011-09-29 22:28:37 +00:00
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ArrayRef<CodeGenRegisterClass*> RCs = getRegBank().getRegClasses();
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2006-05-16 07:05:30 +00:00
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for (unsigned i = 0, e = RCs.size(); i != e; ++i) {
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2011-09-29 22:28:37 +00:00
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const CodeGenRegisterClass &RC = *RCs[i];
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2011-06-15 04:50:36 +00:00
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if (RC.contains(Reg)) {
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2013-03-17 17:26:09 +00:00
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ArrayRef<MVT::SimpleValueType> InVTs = RC.getValueTypes();
|
2011-06-15 04:50:36 +00:00
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Result.insert(Result.end(), InVTs.begin(), InVTs.end());
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2006-05-16 07:05:30 +00:00
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}
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}
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2011-03-11 01:27:24 +00:00
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2010-03-27 20:32:26 +00:00
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// Remove duplicates.
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array_pod_sort(Result.begin(), Result.end());
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|
Result.erase(std::unique(Result.begin(), Result.end()), Result.end());
|
2006-05-16 07:05:30 +00:00
|
|
|
return Result;
|
|
|
|
}
|
|
|
|
|
|
|
|
|
2005-09-08 21:43:21 +00:00
|
|
|
void CodeGenTarget::ReadLegalValueTypes() const {
|
2011-09-29 22:28:37 +00:00
|
|
|
ArrayRef<CodeGenRegisterClass*> RCs = getRegBank().getRegClasses();
|
2005-09-08 21:43:21 +00:00
|
|
|
for (unsigned i = 0, e = RCs.size(); i != e; ++i)
|
2011-09-29 22:28:37 +00:00
|
|
|
for (unsigned ri = 0, re = RCs[i]->VTs.size(); ri != re; ++ri)
|
|
|
|
LegalValueTypes.push_back(RCs[i]->VTs[ri]);
|
2011-03-11 01:27:24 +00:00
|
|
|
|
2005-10-14 03:54:49 +00:00
|
|
|
// Remove duplicates.
|
|
|
|
std::sort(LegalValueTypes.begin(), LegalValueTypes.end());
|
|
|
|
LegalValueTypes.erase(std::unique(LegalValueTypes.begin(),
|
|
|
|
LegalValueTypes.end()),
|
|
|
|
LegalValueTypes.end());
|
2005-09-08 21:43:21 +00:00
|
|
|
}
|
2004-08-21 04:05:00 +00:00
|
|
|
|
2012-07-07 04:00:00 +00:00
|
|
|
CodeGenSchedModels &CodeGenTarget::getSchedModels() const {
|
|
|
|
if (!SchedModels)
|
|
|
|
SchedModels = new CodeGenSchedModels(Records, *this);
|
|
|
|
return *SchedModels;
|
|
|
|
}
|
2004-08-14 22:50:53 +00:00
|
|
|
|
2004-08-01 05:04:00 +00:00
|
|
|
void CodeGenTarget::ReadInstructions() const {
|
|
|
|
std::vector<Record*> Insts = Records.getAllDerivedDefinitions("Instruction");
|
2006-01-27 01:45:06 +00:00
|
|
|
if (Insts.size() <= 2)
|
2012-10-25 20:33:17 +00:00
|
|
|
PrintFatalError("No 'Instruction' subclasses defined!");
|
2004-08-01 05:04:00 +00:00
|
|
|
|
2006-01-27 01:45:06 +00:00
|
|
|
// Parse the instructions defined in the .td file.
|
2010-11-01 02:15:23 +00:00
|
|
|
for (unsigned i = 0, e = Insts.size(); i != e; ++i)
|
|
|
|
Instructions[Insts[i]] = new CodeGenInstruction(Insts[i]);
|
2004-08-01 05:04:00 +00:00
|
|
|
}
|
|
|
|
|
2010-03-19 00:23:20 +00:00
|
|
|
static const CodeGenInstruction *
|
|
|
|
GetInstByName(const char *Name,
|
2011-03-11 01:27:24 +00:00
|
|
|
const DenseMap<const Record*, CodeGenInstruction*> &Insts,
|
2010-12-13 00:23:57 +00:00
|
|
|
RecordKeeper &Records) {
|
2010-03-19 01:07:44 +00:00
|
|
|
const Record *Rec = Records.getDef(Name);
|
2011-03-11 01:27:24 +00:00
|
|
|
|
2010-03-19 01:07:44 +00:00
|
|
|
DenseMap<const Record*, CodeGenInstruction*>::const_iterator
|
|
|
|
I = Insts.find(Rec);
|
|
|
|
if (Rec == 0 || I == Insts.end())
|
2012-10-25 20:33:17 +00:00
|
|
|
PrintFatalError(std::string("Could not find '") + Name + "' instruction!");
|
2010-03-19 01:07:44 +00:00
|
|
|
return I->second;
|
|
|
|
}
|
|
|
|
|
2014-02-05 07:21:07 +00:00
|
|
|
/// \brief Return all of the instructions defined by the target, ordered by
|
|
|
|
/// their enum value.
|
2010-03-19 01:00:55 +00:00
|
|
|
void CodeGenTarget::ComputeInstrsByEnum() const {
|
2010-07-02 21:44:22 +00:00
|
|
|
// The ordering here must match the ordering in TargetOpcodes.h.
|
2013-07-15 08:02:13 +00:00
|
|
|
static const char *const FixedInstrs[] = {
|
2010-07-02 21:44:22 +00:00
|
|
|
"PHI",
|
|
|
|
"INLINEASM",
|
2010-07-16 22:20:36 +00:00
|
|
|
"PROLOG_LABEL",
|
2010-07-02 21:44:22 +00:00
|
|
|
"EH_LABEL",
|
|
|
|
"GC_LABEL",
|
|
|
|
"KILL",
|
|
|
|
"EXTRACT_SUBREG",
|
|
|
|
"INSERT_SUBREG",
|
|
|
|
"IMPLICIT_DEF",
|
|
|
|
"SUBREG_TO_REG",
|
|
|
|
"COPY_TO_REGCLASS",
|
|
|
|
"DBG_VALUE",
|
|
|
|
"REG_SEQUENCE",
|
2010-07-02 22:29:50 +00:00
|
|
|
"COPY",
|
2011-12-06 22:12:01 +00:00
|
|
|
"BUNDLE",
|
2012-09-06 09:17:37 +00:00
|
|
|
"LIFETIME_START",
|
|
|
|
"LIFETIME_END",
|
2013-10-31 17:18:24 +00:00
|
|
|
"STACKMAP",
|
|
|
|
"PATCHPOINT",
|
2010-07-02 21:44:22 +00:00
|
|
|
0
|
|
|
|
};
|
2010-03-19 01:07:44 +00:00
|
|
|
const DenseMap<const Record*, CodeGenInstruction*> &Insts = getInstructions();
|
2010-07-02 21:44:22 +00:00
|
|
|
for (const char *const *p = FixedInstrs; *p; ++p) {
|
2010-12-13 00:23:57 +00:00
|
|
|
const CodeGenInstruction *Instr = GetInstByName(*p, Insts, Records);
|
2010-07-02 21:44:22 +00:00
|
|
|
assert(Instr && "Missing target independent instruction");
|
|
|
|
assert(Instr->Namespace == "TargetOpcode" && "Bad namespace");
|
|
|
|
InstrsByEnum.push_back(Instr);
|
|
|
|
}
|
2010-03-19 01:07:44 +00:00
|
|
|
unsigned EndOfPredefines = InstrsByEnum.size();
|
2010-07-02 21:44:22 +00:00
|
|
|
|
2010-03-19 01:07:44 +00:00
|
|
|
for (DenseMap<const Record*, CodeGenInstruction*>::const_iterator
|
|
|
|
I = Insts.begin(), E = Insts.end(); I != E; ++I) {
|
|
|
|
const CodeGenInstruction *CGI = I->second;
|
2010-07-02 21:44:22 +00:00
|
|
|
if (CGI->Namespace != "TargetOpcode")
|
2010-03-19 01:00:55 +00:00
|
|
|
InstrsByEnum.push_back(CGI);
|
|
|
|
}
|
2010-07-02 21:44:22 +00:00
|
|
|
|
|
|
|
assert(InstrsByEnum.size() == Insts.size() && "Missing predefined instr");
|
|
|
|
|
2010-03-19 01:07:44 +00:00
|
|
|
// All of the instructions are now in random order based on the map iteration.
|
|
|
|
// Sort them by name.
|
2014-03-01 11:47:00 +00:00
|
|
|
std::sort(InstrsByEnum.begin() + EndOfPredefines, InstrsByEnum.end(),
|
|
|
|
[](const CodeGenInstruction *Rec1, const CodeGenInstruction *Rec2) {
|
|
|
|
return Rec1->TheDef->getName() < Rec2->TheDef->getName();
|
|
|
|
});
|
2005-01-22 18:58:51 +00:00
|
|
|
}
|
|
|
|
|
|
|
|
|
2004-10-14 05:50:43 +00:00
|
|
|
/// isLittleEndianEncoding - Return whether this target encodes its instruction
|
|
|
|
/// in little-endian format, i.e. bits laid out in the order [0..n]
|
|
|
|
///
|
|
|
|
bool CodeGenTarget::isLittleEndianEncoding() const {
|
|
|
|
return getInstructionSet()->getValueAsBit("isLittleEndianEncoding");
|
|
|
|
}
|
|
|
|
|
2013-12-17 22:37:50 +00:00
|
|
|
/// reverseBitsForLittleEndianEncoding - For little-endian instruction bit
|
|
|
|
/// encodings, reverse the bit order of all instructions.
|
|
|
|
void CodeGenTarget::reverseBitsForLittleEndianEncoding() {
|
|
|
|
if (!isLittleEndianEncoding())
|
|
|
|
return;
|
|
|
|
|
|
|
|
std::vector<Record*> Insts = Records.getAllDerivedDefinitions("Instruction");
|
|
|
|
for (std::vector<Record*>::iterator I = Insts.begin(), E = Insts.end();
|
|
|
|
I != E; ++I) {
|
|
|
|
Record *R = *I;
|
|
|
|
if (R->getValueAsString("Namespace") == "TargetOpcode" ||
|
|
|
|
R->getValueAsBit("isPseudo"))
|
|
|
|
continue;
|
|
|
|
|
|
|
|
BitsInit *BI = R->getValueAsBitsInit("Inst");
|
|
|
|
|
|
|
|
unsigned numBits = BI->getNumBits();
|
|
|
|
|
|
|
|
SmallVector<Init *, 16> NewBits(numBits);
|
|
|
|
|
|
|
|
for (unsigned bit = 0, end = numBits / 2; bit != end; ++bit) {
|
|
|
|
unsigned bitSwapIdx = numBits - bit - 1;
|
|
|
|
Init *OrigBit = BI->getBit(bit);
|
|
|
|
Init *BitSwap = BI->getBit(bitSwapIdx);
|
|
|
|
NewBits[bit] = BitSwap;
|
|
|
|
NewBits[bitSwapIdx] = OrigBit;
|
|
|
|
}
|
|
|
|
if (numBits % 2) {
|
|
|
|
unsigned middle = (numBits + 1) / 2;
|
|
|
|
NewBits[middle] = BI->getBit(middle);
|
|
|
|
}
|
|
|
|
|
|
|
|
BitsInit *NewBI = BitsInit::get(NewBits);
|
|
|
|
|
|
|
|
// Update the bits in reversed order so that emitInstrOpBits will get the
|
|
|
|
// correct endianness.
|
|
|
|
R->getValue("Inst")->setValue(NewBI);
|
|
|
|
}
|
|
|
|
}
|
|
|
|
|
2012-08-23 19:34:41 +00:00
|
|
|
/// guessInstructionProperties - Return true if it's OK to guess instruction
|
|
|
|
/// properties instead of raising an error.
|
|
|
|
///
|
|
|
|
/// This is configurable as a temporary migration aid. It will eventually be
|
|
|
|
/// permanently false.
|
|
|
|
bool CodeGenTarget::guessInstructionProperties() const {
|
|
|
|
return getInstructionSet()->getValueAsBit("guessInstructionProperties");
|
|
|
|
}
|
|
|
|
|
2005-12-08 02:00:36 +00:00
|
|
|
//===----------------------------------------------------------------------===//
|
|
|
|
// ComplexPattern implementation
|
|
|
|
//
|
|
|
|
ComplexPattern::ComplexPattern(Record *R) {
|
2005-12-08 02:14:08 +00:00
|
|
|
Ty = ::getValueType(R->getValueAsDef("Ty"));
|
|
|
|
NumOperands = R->getValueAsInt("NumOperands");
|
|
|
|
SelectFunc = R->getValueAsString("SelectFunc");
|
|
|
|
RootNodes = R->getValueAsListOfDefs("RootNodes");
|
2006-10-11 21:02:01 +00:00
|
|
|
|
|
|
|
// Parse the properties.
|
|
|
|
Properties = 0;
|
|
|
|
std::vector<Record*> PropList = R->getValueAsListOfDefs("Properties");
|
|
|
|
for (unsigned i = 0, e = PropList.size(); i != e; ++i)
|
|
|
|
if (PropList[i]->getName() == "SDNPHasChain") {
|
|
|
|
Properties |= 1 << SDNPHasChain;
|
2010-12-23 18:28:41 +00:00
|
|
|
} else if (PropList[i]->getName() == "SDNPOptInGlue") {
|
|
|
|
Properties |= 1 << SDNPOptInGlue;
|
2008-01-10 07:59:24 +00:00
|
|
|
} else if (PropList[i]->getName() == "SDNPMayStore") {
|
|
|
|
Properties |= 1 << SDNPMayStore;
|
|
|
|
} else if (PropList[i]->getName() == "SDNPMayLoad") {
|
|
|
|
Properties |= 1 << SDNPMayLoad;
|
|
|
|
} else if (PropList[i]->getName() == "SDNPSideEffect") {
|
|
|
|
Properties |= 1 << SDNPSideEffect;
|
2008-06-25 08:15:39 +00:00
|
|
|
} else if (PropList[i]->getName() == "SDNPMemOperand") {
|
|
|
|
Properties |= 1 << SDNPMemOperand;
|
2010-03-19 05:07:09 +00:00
|
|
|
} else if (PropList[i]->getName() == "SDNPVariadic") {
|
|
|
|
Properties |= 1 << SDNPVariadic;
|
2010-09-21 20:31:19 +00:00
|
|
|
} else if (PropList[i]->getName() == "SDNPWantRoot") {
|
|
|
|
Properties |= 1 << SDNPWantRoot;
|
|
|
|
} else if (PropList[i]->getName() == "SDNPWantParent") {
|
|
|
|
Properties |= 1 << SDNPWantParent;
|
2006-10-11 21:02:01 +00:00
|
|
|
} else {
|
2009-07-03 00:10:29 +00:00
|
|
|
errs() << "Unsupported SD Node property '" << PropList[i]->getName()
|
|
|
|
<< "' on ComplexPattern '" << R->getName() << "'!\n";
|
2006-10-11 21:02:01 +00:00
|
|
|
exit(1);
|
|
|
|
}
|
2005-12-08 02:00:36 +00:00
|
|
|
}
|
2005-12-08 02:14:08 +00:00
|
|
|
|
2006-03-24 19:49:31 +00:00
|
|
|
//===----------------------------------------------------------------------===//
|
|
|
|
// CodeGenIntrinsic Implementation
|
|
|
|
//===----------------------------------------------------------------------===//
|
|
|
|
|
2009-02-05 01:49:45 +00:00
|
|
|
std::vector<CodeGenIntrinsic> llvm::LoadIntrinsics(const RecordKeeper &RC,
|
|
|
|
bool TargetOnly) {
|
2006-03-24 19:49:31 +00:00
|
|
|
std::vector<Record*> I = RC.getAllDerivedDefinitions("Intrinsic");
|
2011-03-11 01:27:24 +00:00
|
|
|
|
2006-03-27 22:48:18 +00:00
|
|
|
std::vector<CodeGenIntrinsic> Result;
|
2006-03-28 00:15:00 +00:00
|
|
|
|
2009-02-05 01:49:45 +00:00
|
|
|
for (unsigned i = 0, e = I.size(); i != e; ++i) {
|
|
|
|
bool isTarget = I[i]->getValueAsBit("isTarget");
|
|
|
|
if (isTarget == TargetOnly)
|
|
|
|
Result.push_back(CodeGenIntrinsic(I[i]));
|
|
|
|
}
|
2006-03-27 22:48:18 +00:00
|
|
|
return Result;
|
2006-03-24 19:49:31 +00:00
|
|
|
}
|
|
|
|
|
2008-04-03 00:02:49 +00:00
|
|
|
CodeGenIntrinsic::CodeGenIntrinsic(Record *R) {
|
2006-03-24 20:25:01 +00:00
|
|
|
TheDef = R;
|
2006-03-24 19:49:31 +00:00
|
|
|
std::string DefName = R->getName();
|
2010-08-05 23:36:21 +00:00
|
|
|
ModRef = ReadWriteMem;
|
2007-04-01 07:20:02 +00:00
|
|
|
isOverloaded = false;
|
2008-06-16 20:29:38 +00:00
|
|
|
isCommutative = false;
|
2011-05-28 06:31:34 +00:00
|
|
|
canThrow = false;
|
2012-05-27 23:20:41 +00:00
|
|
|
isNoReturn = false;
|
2011-03-11 01:27:24 +00:00
|
|
|
|
|
|
|
if (DefName.size() <= 4 ||
|
2008-11-13 09:08:33 +00:00
|
|
|
std::string(DefName.begin(), DefName.begin() + 4) != "int_")
|
2012-10-25 20:33:17 +00:00
|
|
|
PrintFatalError("Intrinsic '" + DefName + "' does not start with 'int_'!");
|
2008-11-13 09:08:33 +00:00
|
|
|
|
2006-03-24 19:49:31 +00:00
|
|
|
EnumName = std::string(DefName.begin()+4, DefName.end());
|
2008-11-13 09:08:33 +00:00
|
|
|
|
2006-03-24 19:49:31 +00:00
|
|
|
if (R->getValue("GCCBuiltinName")) // Ignore a missing GCCBuiltinName field.
|
|
|
|
GCCBuiltinName = R->getValueAsString("GCCBuiltinName");
|
2008-11-13 09:08:33 +00:00
|
|
|
|
|
|
|
TargetPrefix = R->getValueAsString("TargetPrefix");
|
2006-03-24 19:49:31 +00:00
|
|
|
Name = R->getValueAsString("LLVMName");
|
2008-11-13 09:08:33 +00:00
|
|
|
|
2006-03-24 19:49:31 +00:00
|
|
|
if (Name == "") {
|
|
|
|
// If an explicit name isn't specified, derive one from the DefName.
|
|
|
|
Name = "llvm.";
|
2008-11-13 09:08:33 +00:00
|
|
|
|
2006-03-24 19:49:31 +00:00
|
|
|
for (unsigned i = 0, e = EnumName.size(); i != e; ++i)
|
2008-11-13 09:08:33 +00:00
|
|
|
Name += (EnumName[i] == '_') ? '.' : EnumName[i];
|
2006-03-24 19:49:31 +00:00
|
|
|
} else {
|
|
|
|
// Verify it starts with "llvm.".
|
2011-03-11 01:27:24 +00:00
|
|
|
if (Name.size() <= 5 ||
|
2008-11-13 09:08:33 +00:00
|
|
|
std::string(Name.begin(), Name.begin() + 5) != "llvm.")
|
2012-10-25 20:33:17 +00:00
|
|
|
PrintFatalError("Intrinsic '" + DefName + "'s name does not start with 'llvm.'!");
|
2006-03-24 19:49:31 +00:00
|
|
|
}
|
2011-03-11 01:27:24 +00:00
|
|
|
|
2006-03-24 19:49:31 +00:00
|
|
|
// If TargetPrefix is specified, make sure that Name starts with
|
|
|
|
// "llvm.<targetprefix>.".
|
|
|
|
if (!TargetPrefix.empty()) {
|
|
|
|
if (Name.size() < 6+TargetPrefix.size() ||
|
2008-11-13 09:08:33 +00:00
|
|
|
std::string(Name.begin() + 5, Name.begin() + 6 + TargetPrefix.size())
|
|
|
|
!= (TargetPrefix + "."))
|
2012-10-25 20:33:17 +00:00
|
|
|
PrintFatalError("Intrinsic '" + DefName + "' does not start with 'llvm." +
|
|
|
|
TargetPrefix + ".'!");
|
2006-03-24 19:49:31 +00:00
|
|
|
}
|
2011-03-11 01:27:24 +00:00
|
|
|
|
2008-11-13 09:08:33 +00:00
|
|
|
// Parse the list of return types.
|
2009-08-11 20:47:22 +00:00
|
|
|
std::vector<MVT::SimpleValueType> OverloadedVTs;
|
2011-07-29 22:43:06 +00:00
|
|
|
ListInit *TypeList = R->getValueAsListInit("RetTypes");
|
2006-03-24 19:49:31 +00:00
|
|
|
for (unsigned i = 0, e = TypeList->getSize(); i != e; ++i) {
|
2007-02-27 22:08:27 +00:00
|
|
|
Record *TyEl = TypeList->getElementAsRecord(i);
|
2006-03-24 19:49:31 +00:00
|
|
|
assert(TyEl->isSubClassOf("LLVMType") && "Expected a type!");
|
2009-08-11 20:47:22 +00:00
|
|
|
MVT::SimpleValueType VT;
|
2009-01-07 00:09:01 +00:00
|
|
|
if (TyEl->isSubClassOf("LLVMMatchType")) {
|
2009-04-16 21:51:05 +00:00
|
|
|
unsigned MatchTy = TyEl->getValueAsInt("Number");
|
|
|
|
assert(MatchTy < OverloadedVTs.size() &&
|
|
|
|
"Invalid matching number!");
|
|
|
|
VT = OverloadedVTs[MatchTy];
|
2009-01-07 00:09:01 +00:00
|
|
|
// It only makes sense to use the extended and truncated vector element
|
|
|
|
// variants with iAny types; otherwise, if the intrinsic is not
|
|
|
|
// overloaded, all the types can be specified directly.
|
|
|
|
assert(((!TyEl->isSubClassOf("LLVMExtendedElementVectorType") &&
|
|
|
|
!TyEl->isSubClassOf("LLVMTruncatedElementVectorType")) ||
|
2009-08-11 20:47:22 +00:00
|
|
|
VT == MVT::iAny || VT == MVT::vAny) &&
|
2009-08-11 05:03:38 +00:00
|
|
|
"Expected iAny or vAny type");
|
2009-04-16 21:51:05 +00:00
|
|
|
} else {
|
2009-01-07 00:09:01 +00:00
|
|
|
VT = getValueType(TyEl->getValueAsDef("VT"));
|
2009-04-16 21:51:05 +00:00
|
|
|
}
|
2014-01-24 20:50:47 +00:00
|
|
|
if (MVT(VT).isOverloaded()) {
|
2009-04-16 21:51:05 +00:00
|
|
|
OverloadedVTs.push_back(VT);
|
2010-03-23 23:46:27 +00:00
|
|
|
isOverloaded = true;
|
2009-04-16 21:51:05 +00:00
|
|
|
}
|
2010-03-23 23:46:27 +00:00
|
|
|
|
|
|
|
// Reject invalid types.
|
|
|
|
if (VT == MVT::isVoid)
|
2012-10-25 20:33:17 +00:00
|
|
|
PrintFatalError("Intrinsic '" + DefName + " has void in result type list!");
|
2011-03-11 01:27:24 +00:00
|
|
|
|
2008-11-13 09:08:33 +00:00
|
|
|
IS.RetVTs.push_back(VT);
|
|
|
|
IS.RetTypeDefs.push_back(TyEl);
|
2006-03-24 19:49:31 +00:00
|
|
|
}
|
2011-03-11 01:27:24 +00:00
|
|
|
|
2008-11-13 09:08:33 +00:00
|
|
|
// Parse the list of parameter types.
|
|
|
|
TypeList = R->getValueAsListInit("ParamTypes");
|
|
|
|
for (unsigned i = 0, e = TypeList->getSize(); i != e; ++i) {
|
|
|
|
Record *TyEl = TypeList->getElementAsRecord(i);
|
|
|
|
assert(TyEl->isSubClassOf("LLVMType") && "Expected a type!");
|
2009-08-11 20:47:22 +00:00
|
|
|
MVT::SimpleValueType VT;
|
2009-01-07 00:09:01 +00:00
|
|
|
if (TyEl->isSubClassOf("LLVMMatchType")) {
|
|
|
|
unsigned MatchTy = TyEl->getValueAsInt("Number");
|
2009-04-16 21:51:05 +00:00
|
|
|
assert(MatchTy < OverloadedVTs.size() &&
|
|
|
|
"Invalid matching number!");
|
|
|
|
VT = OverloadedVTs[MatchTy];
|
2009-01-07 00:09:01 +00:00
|
|
|
// It only makes sense to use the extended and truncated vector element
|
|
|
|
// variants with iAny types; otherwise, if the intrinsic is not
|
|
|
|
// overloaded, all the types can be specified directly.
|
|
|
|
assert(((!TyEl->isSubClassOf("LLVMExtendedElementVectorType") &&
|
|
|
|
!TyEl->isSubClassOf("LLVMTruncatedElementVectorType")) ||
|
2009-08-11 20:47:22 +00:00
|
|
|
VT == MVT::iAny || VT == MVT::vAny) &&
|
2009-08-11 05:03:38 +00:00
|
|
|
"Expected iAny or vAny type");
|
2009-01-07 00:09:01 +00:00
|
|
|
} else
|
|
|
|
VT = getValueType(TyEl->getValueAsDef("VT"));
|
2011-03-11 01:27:24 +00:00
|
|
|
|
2014-01-24 20:50:47 +00:00
|
|
|
if (MVT(VT).isOverloaded()) {
|
2009-04-16 21:51:05 +00:00
|
|
|
OverloadedVTs.push_back(VT);
|
2010-03-23 23:46:27 +00:00
|
|
|
isOverloaded = true;
|
2009-04-16 21:51:05 +00:00
|
|
|
}
|
2011-03-11 01:27:24 +00:00
|
|
|
|
2010-03-23 23:46:27 +00:00
|
|
|
// Reject invalid types.
|
|
|
|
if (VT == MVT::isVoid && i != e-1 /*void at end means varargs*/)
|
2012-10-25 20:33:17 +00:00
|
|
|
PrintFatalError("Intrinsic '" + DefName + " has void in result type list!");
|
2011-03-11 01:27:24 +00:00
|
|
|
|
2008-11-13 09:08:33 +00:00
|
|
|
IS.ParamVTs.push_back(VT);
|
|
|
|
IS.ParamTypeDefs.push_back(TyEl);
|
|
|
|
}
|
|
|
|
|
2006-03-24 19:49:31 +00:00
|
|
|
// Parse the intrinsic properties.
|
2011-07-29 22:43:06 +00:00
|
|
|
ListInit *PropList = R->getValueAsListInit("Properties");
|
2006-03-24 19:49:31 +00:00
|
|
|
for (unsigned i = 0, e = PropList->getSize(); i != e; ++i) {
|
2007-02-27 22:08:27 +00:00
|
|
|
Record *Property = PropList->getElementAsRecord(i);
|
2006-03-24 19:49:31 +00:00
|
|
|
assert(Property->isSubClassOf("IntrinsicProperty") &&
|
|
|
|
"Expected a property!");
|
2011-03-11 01:27:24 +00:00
|
|
|
|
2006-04-10 22:02:59 +00:00
|
|
|
if (Property->getName() == "IntrNoMem")
|
2006-03-24 19:49:31 +00:00
|
|
|
ModRef = NoMem;
|
2006-04-10 22:02:59 +00:00
|
|
|
else if (Property->getName() == "IntrReadArgMem")
|
2006-03-24 19:49:31 +00:00
|
|
|
ModRef = ReadArgMem;
|
|
|
|
else if (Property->getName() == "IntrReadMem")
|
|
|
|
ModRef = ReadMem;
|
2010-08-05 23:36:21 +00:00
|
|
|
else if (Property->getName() == "IntrReadWriteArgMem")
|
|
|
|
ModRef = ReadWriteArgMem;
|
2008-06-16 20:29:38 +00:00
|
|
|
else if (Property->getName() == "Commutative")
|
|
|
|
isCommutative = true;
|
2011-05-28 06:31:34 +00:00
|
|
|
else if (Property->getName() == "Throws")
|
|
|
|
canThrow = true;
|
2012-05-27 23:20:41 +00:00
|
|
|
else if (Property->getName() == "IntrNoReturn")
|
|
|
|
isNoReturn = true;
|
2009-01-12 01:12:03 +00:00
|
|
|
else if (Property->isSubClassOf("NoCapture")) {
|
|
|
|
unsigned ArgNo = Property->getValueAsInt("ArgNo");
|
|
|
|
ArgumentAttributes.push_back(std::make_pair(ArgNo, NoCapture));
|
2013-07-06 00:29:58 +00:00
|
|
|
} else if (Property->isSubClassOf("ReadOnly")) {
|
|
|
|
unsigned ArgNo = Property->getValueAsInt("ArgNo");
|
|
|
|
ArgumentAttributes.push_back(std::make_pair(ArgNo, ReadOnly));
|
|
|
|
} else if (Property->isSubClassOf("ReadNone")) {
|
|
|
|
unsigned ArgNo = Property->getValueAsInt("ArgNo");
|
|
|
|
ArgumentAttributes.push_back(std::make_pair(ArgNo, ReadNone));
|
2009-01-12 01:12:03 +00:00
|
|
|
} else
|
2012-02-05 07:21:30 +00:00
|
|
|
llvm_unreachable("Unknown property!");
|
2006-03-24 19:49:31 +00:00
|
|
|
}
|
2011-05-28 06:31:34 +00:00
|
|
|
|
|
|
|
// Sort the argument attributes for later benefit.
|
|
|
|
std::sort(ArgumentAttributes.begin(), ArgumentAttributes.end());
|
2006-03-24 19:49:31 +00:00
|
|
|
}
|