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-rw-r--r--include/clang/Frontend/CodeGenOptions.h182
1 files changed, 26 insertions, 156 deletions
diff --git a/include/clang/Frontend/CodeGenOptions.h b/include/clang/Frontend/CodeGenOptions.h
index 3e34093..3567187 100644
--- a/include/clang/Frontend/CodeGenOptions.h
+++ b/include/clang/Frontend/CodeGenOptions.h
@@ -19,9 +19,23 @@
namespace clang {
+/// \brief Bitfields of CodeGenOptions, split out from CodeGenOptions to ensure
+/// that this large collection of bitfields is a trivial class type.
+class CodeGenOptionsBase {
+public:
+#define CODEGENOPT(Name, Bits, Default) unsigned Name : Bits;
+#define ENUM_CODEGENOPT(Name, Type, Bits, Default)
+#include "clang/Frontend/CodeGenOptions.def"
+
+protected:
+#define CODEGENOPT(Name, Bits, Default)
+#define ENUM_CODEGENOPT(Name, Type, Bits, Default) unsigned Name : Bits;
+#include "clang/Frontend/CodeGenOptions.def"
+};
+
/// CodeGenOptions - Track various options which control how the code
/// is optimized and passed to the backend.
-class CodeGenOptions {
+class CodeGenOptions : public CodeGenOptionsBase {
public:
enum InliningMethod {
NoInlining, // Perform no inlining whatsoever.
@@ -51,86 +65,6 @@ public:
LocalExecTLSModel
};
- unsigned AsmVerbose : 1; ///< -dA, -fverbose-asm.
- unsigned ObjCAutoRefCountExceptions : 1; ///< Whether ARC should be EH-safe.
- unsigned CUDAIsDevice : 1; ///< Set when compiling for CUDA device.
- unsigned CXAAtExit : 1; ///< Use __cxa_atexit for calling destructors.
- unsigned CXXCtorDtorAliases: 1; ///< Emit complete ctors/dtors as linker
- ///< aliases to base ctors when possible.
- unsigned DataSections : 1; ///< Set when -fdata-sections is enabled.
- unsigned DisableFPElim : 1; ///< Set when -fomit-frame-pointer is enabled.
- unsigned DisableLLVMOpts : 1; ///< Don't run any optimizations, for use in
- ///< getting .bc files that correspond to the
- ///< internal state before optimizations are
- ///< done.
- unsigned DisableRedZone : 1; ///< Set when -mno-red-zone is enabled.
- unsigned DisableTailCalls : 1; ///< Do not emit tail calls.
- unsigned EmitDeclMetadata : 1; ///< Emit special metadata indicating what
- ///< Decl* various IR entities came from. Only
- ///< useful when running CodeGen as a
- ///< subroutine.
- unsigned EmitGcovArcs : 1; ///< Emit coverage data files, aka. GCDA.
- unsigned EmitGcovNotes : 1; ///< Emit coverage "notes" files, aka GCNO.
- unsigned EmitOpenCLArgMetadata : 1; ///< Emit OpenCL kernel arg metadata.
- unsigned EmitMicrosoftInlineAsm : 1; ///< Enable emission of MS-style inline
- ///< assembly.
- unsigned ForbidGuardVariables : 1; ///< Issue errors if C++ guard variables
- ///< are required.
- unsigned FunctionSections : 1; ///< Set when -ffunction-sections is enabled.
- unsigned HiddenWeakTemplateVTables : 1; ///< Emit weak vtables and RTTI for
- ///< template classes with hidden visibility
- unsigned HiddenWeakVTables : 1; ///< Emit weak vtables, RTTI, and thunks with
- ///< hidden visibility.
- unsigned InstrumentFunctions : 1; ///< Set when -finstrument-functions is
- ///< enabled.
- unsigned InstrumentForProfiling : 1; ///< Set when -pg is enabled.
- unsigned LessPreciseFPMAD : 1; ///< Enable less precise MAD instructions to
- ///< be generated.
- unsigned MergeAllConstants : 1; ///< Merge identical constants.
- unsigned NoCommon : 1; ///< Set when -fno-common or C++ is enabled.
- unsigned NoDwarf2CFIAsm : 1; ///< Set when -fno-dwarf2-cfi-asm is enabled.
- unsigned NoDwarfDirectoryAsm : 1; ///< Set when -fno-dwarf-directory-asm is
- ///< enabled.
- unsigned NoExecStack : 1; ///< Set when -Wa,--noexecstack is enabled.
- unsigned NoGlobalMerge : 1; ///< Set when -mno-global-merge is enabled.
- unsigned NoImplicitFloat : 1; ///< Set when -mno-implicit-float is enabled.
- unsigned NoInfsFPMath : 1; ///< Assume FP arguments, results not +-Inf.
- unsigned NoInline : 1; ///< Set when -fno-inline is enabled. Disables
- ///< use of the inline keyword.
- unsigned NoNaNsFPMath : 1; ///< Assume FP arguments, results not NaN.
- unsigned NoZeroInitializedInBSS : 1; ///< -fno-zero-initialized-in-bss.
- unsigned ObjCDispatchMethod : 2; ///< Method of Objective-C dispatch to use.
- unsigned OmitLeafFramePointer : 1; ///< Set when -momit-leaf-frame-pointer is
- ///< enabled.
- unsigned OptimizationLevel : 3; ///< The -O[0-4] option specified.
- unsigned OptimizeSize : 2; ///< If -Os (==1) or -Oz (==2) is specified.
- unsigned RelaxAll : 1; ///< Relax all machine code instructions.
- unsigned RelaxedAliasing : 1; ///< Set when -fno-strict-aliasing is enabled.
- unsigned SaveTempLabels : 1; ///< Save temporary labels.
- unsigned SimplifyLibCalls : 1; ///< Set when -fbuiltin is enabled.
- unsigned SoftFloat : 1; ///< -soft-float.
- unsigned StrictEnums : 1; ///< Optimize based on strict enum definition.
- unsigned TimePasses : 1; ///< Set when -ftime-report is enabled.
- unsigned UnitAtATime : 1; ///< Unused. For mirroring GCC optimization
- ///< selection.
- unsigned UnrollLoops : 1; ///< Control whether loops are unrolled.
- unsigned UnsafeFPMath : 1; ///< Allow unsafe floating point optzns.
- unsigned UnwindTables : 1; ///< Emit unwind tables.
-
- /// Attempt to use register sized accesses to bit-fields in structures, when
- /// possible.
- unsigned UseRegisterSizedBitfieldAccess : 1;
-
- unsigned VerifyModule : 1; ///< Control whether the module should be run
- ///< through the LLVM Verifier.
-
- unsigned StackRealignment : 1; ///< Control whether to permit stack
- ///< realignment.
- unsigned UseInitArray : 1; ///< Control whether to use .init_array or
- ///< .ctors.
- unsigned StackAlignment; ///< Overrides default stack alignment,
- ///< if not 0.
-
/// The code model to use (-mcmodel).
std::string CodeModel;
@@ -144,9 +78,6 @@ public:
/// The string to embed in debug information as the current working directory.
std::string DebugCompilationDir;
- /// The kind of generated debug info.
- DebugInfoKind DebugInfo;
-
/// The string to embed in the debug information for the compile unit, if
/// non-empty.
std::string DwarfDebugFlags;
@@ -160,9 +91,6 @@ public:
/// The name of the bitcode file to link before optzns.
std::string LinkBitcodeFile;
- /// The kind of inlining to perform.
- InliningMethod Inlining;
-
/// The user provided name for the "main file", if non-empty. This is useful
/// in situations where the input file name does not match the original input
/// file, for example with -save-temps.
@@ -178,79 +106,21 @@ public:
/// A list of command-line options to forward to the LLVM backend.
std::vector<std::string> BackendOptions;
- /// The user specified number of registers to be used for integral arguments,
- /// or 0 if unspecified.
- unsigned NumRegisterParameters;
-
- /// The run-time penalty for bounds checking, or 0 to disable.
- unsigned char BoundsChecking;
-
- /// The default TLS model to use.
- TLSModel DefaultTLSModel;
-
public:
+ // Define accessors/mutators for code generation options of enumeration type.
+#define CODEGENOPT(Name, Bits, Default)
+#define ENUM_CODEGENOPT(Name, Type, Bits, Default) \
+ Type get##Name() const { return static_cast<Type>(Name); } \
+ void set##Name(Type Value) { Name = static_cast<unsigned>(Value); }
+#include "clang/Frontend/CodeGenOptions.def"
+
CodeGenOptions() {
- AsmVerbose = 0;
- CUDAIsDevice = 0;
- CXAAtExit = 1;
- CXXCtorDtorAliases = 0;
- DataSections = 0;
- DisableFPElim = 0;
- DisableLLVMOpts = 0;
- DisableRedZone = 0;
- DisableTailCalls = 0;
- EmitDeclMetadata = 0;
- EmitGcovArcs = 0;
- EmitGcovNotes = 0;
- EmitOpenCLArgMetadata = 0;
- EmitMicrosoftInlineAsm = 0;
- ForbidGuardVariables = 0;
- FunctionSections = 0;
- HiddenWeakTemplateVTables = 0;
- HiddenWeakVTables = 0;
- InstrumentFunctions = 0;
- InstrumentForProfiling = 0;
- LessPreciseFPMAD = 0;
- MergeAllConstants = 1;
- NoCommon = 0;
- NoDwarf2CFIAsm = 0;
- NoImplicitFloat = 0;
- NoInfsFPMath = 0;
- NoInline = 0;
- NoNaNsFPMath = 0;
- NoZeroInitializedInBSS = 0;
- NumRegisterParameters = 0;
- ObjCAutoRefCountExceptions = 0;
- ObjCDispatchMethod = Legacy;
- OmitLeafFramePointer = 0;
- OptimizationLevel = 0;
- OptimizeSize = 0;
- RelaxAll = 0;
- RelaxedAliasing = 0;
- SaveTempLabels = 0;
- SimplifyLibCalls = 1;
- SoftFloat = 0;
- StrictEnums = 0;
- TimePasses = 0;
- UnitAtATime = 1;
- UnrollLoops = 0;
- UnsafeFPMath = 0;
- UnwindTables = 0;
- UseRegisterSizedBitfieldAccess = 0;
- VerifyModule = 1;
- StackRealignment = 0;
- StackAlignment = 0;
- BoundsChecking = 0;
- UseInitArray = 0;
+#define CODEGENOPT(Name, Bits, Default) Name = Default;
+#define ENUM_CODEGENOPT(Name, Type, Bits, Default) \
+ set##Name(Default);
+#include "clang/Frontend/CodeGenOptions.def"
- DebugInfo = NoDebugInfo;
- Inlining = NoInlining;
RelocationModel = "pic";
- DefaultTLSModel = GeneralDynamicTLSModel;
- }
-
- ObjCDispatchMethodKind getObjCDispatchMethod() const {
- return ObjCDispatchMethodKind(ObjCDispatchMethod);
}
};
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