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4dc7cee606
-disable-llvm-optzns in clang tells the frontend to do everything it would normally do at lets say -O2, except run the actual LLVM IR passes on the resulting IR. This is useful in the case where one wants to look at the result of a non gauranteed SIL optimization pass at the IR level without llvm optimizations applied. Swift SVN r8594
84 lines
2.4 KiB
C++
84 lines
2.4 KiB
C++
//===--- Options.h - Swift Language IR Generation Options -------*- C++ -*-===//
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//
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// This source file is part of the Swift.org open source project
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//
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// Copyright (c) 2014 - 2015 Apple Inc. and the Swift project authors
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// Licensed under Apache License v2.0 with Runtime Library Exception
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//
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// See http://swift.org/LICENSE.txt for license information
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// See http://swift.org/CONTRIBUTORS.txt for the list of Swift project authors
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//
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//===----------------------------------------------------------------------===//
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//
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// This file defines the options which control the generation of IR for
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// swift files.
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//
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//===----------------------------------------------------------------------===//
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#ifndef SWIFT_IRGEN_OPTIONS_H
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#define SWIFT_IRGEN_OPTIONS_H
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#include <string>
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namespace swift {
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namespace irgen {
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enum class OutputKind : unsigned {
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/// Just generate an LLVM module and return it.
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Module,
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/// Generate an LLVM module and write it out as LLVM assembly.
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LLVMAssembly,
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/// Generate an LLVM module and write it out as LLVM bitcode.
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LLVMBitcode,
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/// Generate an LLVM module and compile it to assembly.
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NativeAssembly,
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/// Generate an LLVM module, compile it, and assemble into an object file.
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ObjectFile
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};
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/// irgen::Options - The set of options support by IR generation.
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class Options {
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public:
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/// The name of the first input file, used by the debug info.
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std::string MainInputFilename;
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std::string OutputFilename;
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std::string Triple;
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// The command line string that is to be stored in the DWARF debug info.
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std::string DWARFDebugFlags;
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/// The kind of compilation we should do.
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OutputKind OutputKind : 3;
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/// Should we spend time verifying that the IR we produce is
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/// well-formed?
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unsigned Verify : 1;
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/// The optimization level, as in -O2.
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unsigned OptLevel : 2;
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/// Whether we should emit debug info.
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unsigned DebugInfo : 1;
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/// \brief Whether we're generating IR for the JIT.
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unsigned UseJIT : 1;
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/// \brief Whether we allow dynamic value type layout.
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unsigned EnableDynamicValueTypeLayout : 1;
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/// \brief Whether we should run LLVM optimizations after IRGen.
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unsigned DisableLLVMOptzns : 1;
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Options() : OutputKind(OutputKind::LLVMAssembly), Verify(true), OptLevel(0),
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DebugInfo(false), UseJIT(false),
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EnableDynamicValueTypeLayout(false), DisableLLVMOptzns(false) {}
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};
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} // end namespace irgen
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} // end namespace swift
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#endif
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