diff options
Diffstat (limited to 'include/llvm/Support')
-rw-r--r-- | include/llvm/Support/CBindingWrapping.h | 46 | ||||
-rw-r--r-- | include/llvm/Support/CFG.h | 16 | ||||
-rw-r--r-- | include/llvm/Support/COFF.h | 3 | ||||
-rw-r--r-- | include/llvm/Support/CallSite.h | 1 | ||||
-rw-r--r-- | include/llvm/Support/Casting.h | 48 | ||||
-rw-r--r-- | include/llvm/Support/CodeGen.h | 39 | ||||
-rw-r--r-- | include/llvm/Support/Compiler.h | 10 | ||||
-rw-r--r-- | include/llvm/Support/Compression.h | 58 | ||||
-rw-r--r-- | include/llvm/Support/ELF.h | 4 | ||||
-rw-r--r-- | include/llvm/Support/Endian.h | 2 | ||||
-rw-r--r-- | include/llvm/Support/ErrorHandling.h | 15 | ||||
-rw-r--r-- | include/llvm/Support/FEnv.h | 4 | ||||
-rw-r--r-- | include/llvm/Support/FormattedStream.h | 234 | ||||
-rw-r--r-- | include/llvm/Support/Host.h | 26 | ||||
-rw-r--r-- | include/llvm/Support/IRReader.h | 112 | ||||
-rw-r--r-- | include/llvm/Support/MemoryBuffer.h | 5 | ||||
-rw-r--r-- | include/llvm/Support/Program.h | 8 | ||||
-rw-r--r-- | include/llvm/Support/ValueHandle.h | 45 | ||||
-rw-r--r-- | include/llvm/Support/Watchdog.h | 38 | ||||
-rw-r--r-- | include/llvm/Support/Win64EH.h | 18 | ||||
-rw-r--r-- | include/llvm/Support/type_traits.h | 20 |
21 files changed, 426 insertions, 326 deletions
diff --git a/include/llvm/Support/CBindingWrapping.h b/include/llvm/Support/CBindingWrapping.h new file mode 100644 index 0000000000..51097b8202 --- /dev/null +++ b/include/llvm/Support/CBindingWrapping.h @@ -0,0 +1,46 @@ +//===- llvm/Support/CBindingWrapph.h - C Interface Wrapping -----*- C++ -*-===// +// +// The LLVM Compiler Infrastructure +// +// This file is distributed under the University of Illinois Open Source +// License. See LICENSE.TXT for details. +// +//===----------------------------------------------------------------------===// +// +// This file declares the wrapping macros for the C interface. +// +//===----------------------------------------------------------------------===// + +#ifndef LLVM_C_BINDING_WRAPPING_H +#define LLVM_C_BINDING_WRAPPING_H + +#include "llvm/Support/Casting.h" + +#define DEFINE_SIMPLE_CONVERSION_FUNCTIONS(ty, ref) \ + inline ty *unwrap(ref P) { \ + return reinterpret_cast<ty*>(P); \ + } \ + \ + inline ref wrap(const ty *P) { \ + return reinterpret_cast<ref>(const_cast<ty*>(P)); \ + } + +#define DEFINE_ISA_CONVERSION_FUNCTIONS(ty, ref) \ + DEFINE_SIMPLE_CONVERSION_FUNCTIONS(ty, ref) \ + \ + template<typename T> \ + inline T *unwrap(ref P) { \ + return cast<T>(unwrap(P)); \ + } + +#define DEFINE_STDCXX_CONVERSION_FUNCTIONS(ty, ref) \ + DEFINE_SIMPLE_CONVERSION_FUNCTIONS(ty, ref) \ + \ + template<typename T> \ + inline T *unwrap(ref P) { \ + T *Q = (T*)unwrap(P); \ + assert(Q && "Invalid cast!"); \ + return Q; \ + } + +#endif diff --git a/include/llvm/Support/CFG.h b/include/llvm/Support/CFG.h index a9fb65cba9..265b886daf 100644 --- a/include/llvm/Support/CFG.h +++ b/include/llvm/Support/CFG.h @@ -27,8 +27,9 @@ namespace llvm { template <class Ptr, class USE_iterator> // Predecessor Iterator class PredIterator : public std::iterator<std::forward_iterator_tag, - Ptr, ptrdiff_t> { - typedef std::iterator<std::forward_iterator_tag, Ptr, ptrdiff_t> super; + Ptr, ptrdiff_t, Ptr*, Ptr*> { + typedef std::iterator<std::forward_iterator_tag, Ptr, ptrdiff_t, Ptr*, + Ptr*> super; typedef PredIterator<Ptr, USE_iterator> Self; USE_iterator It; @@ -40,6 +41,7 @@ class PredIterator : public std::iterator<std::forward_iterator_tag, public: typedef typename super::pointer pointer; + typedef typename super::reference reference; PredIterator() {} explicit inline PredIterator(Ptr *bb) : It(bb->use_begin()) { @@ -50,7 +52,7 @@ public: inline bool operator==(const Self& x) const { return It == x.It; } inline bool operator!=(const Self& x) const { return !operator==(x); } - inline pointer operator*() const { + inline reference operator*() const { assert(!It.atEnd() && "pred_iterator out of range!"); return cast<TerminatorInst>(*It)->getParent(); } @@ -100,10 +102,11 @@ inline const_pred_iterator pred_end(const BasicBlock *BB) { template <class Term_, class BB_> // Successor Iterator class SuccIterator : public std::iterator<std::bidirectional_iterator_tag, - BB_, ptrdiff_t> { + BB_, ptrdiff_t, BB_*, BB_*> { const Term_ Term; unsigned idx; - typedef std::iterator<std::bidirectional_iterator_tag, BB_, ptrdiff_t> super; + typedef std::iterator<std::bidirectional_iterator_tag, BB_, ptrdiff_t, BB_*, + BB_*> super; typedef SuccIterator<Term_, BB_> Self; inline bool index_is_valid(int idx) { @@ -112,6 +115,7 @@ class SuccIterator : public std::iterator<std::bidirectional_iterator_tag, public: typedef typename super::pointer pointer; + typedef typename super::reference reference; // TODO: This can be random access iterator, only operator[] missing. explicit inline SuccIterator(Term_ T) : Term(T), idx(0) {// begin iterator @@ -142,7 +146,7 @@ public: inline bool operator==(const Self& x) const { return idx == x.idx; } inline bool operator!=(const Self& x) const { return !operator==(x); } - inline pointer operator*() const { return Term->getSuccessor(idx); } + inline reference operator*() const { return Term->getSuccessor(idx); } inline pointer operator->() const { return operator*(); } inline Self& operator++() { ++idx; return *this; } // Preincrement diff --git a/include/llvm/Support/COFF.h b/include/llvm/Support/COFF.h index 02c44cdfad..823b43ad93 100644 --- a/include/llvm/Support/COFF.h +++ b/include/llvm/Support/COFF.h @@ -321,7 +321,8 @@ namespace COFF { IMAGE_COMDAT_SELECT_SAME_SIZE, IMAGE_COMDAT_SELECT_EXACT_MATCH, IMAGE_COMDAT_SELECT_ASSOCIATIVE, - IMAGE_COMDAT_SELECT_LARGEST + IMAGE_COMDAT_SELECT_LARGEST, + IMAGE_COMDAT_SELECT_NEWEST }; // Auxiliary Symbol Formats diff --git a/include/llvm/Support/CallSite.h b/include/llvm/Support/CallSite.h index 3ce0fef4a0..92107ac025 100644 --- a/include/llvm/Support/CallSite.h +++ b/include/llvm/Support/CallSite.h @@ -28,7 +28,6 @@ #include "llvm/ADT/PointerIntPair.h" #include "llvm/IR/Attributes.h" -#include "llvm/IR/BasicBlock.h" #include "llvm/IR/CallingConv.h" #include "llvm/IR/Instructions.h" diff --git a/include/llvm/Support/Casting.h b/include/llvm/Support/Casting.h index 80f09db4f7..0d2d6c92fd 100644 --- a/include/llvm/Support/Casting.h +++ b/include/llvm/Support/Casting.h @@ -36,9 +36,13 @@ template<typename From> struct simplify_type { }; template<typename From> struct simplify_type<const From> { - typedef const From SimpleType; - static SimpleType &getSimplifiedValue(const From &Val) { - return simplify_type<From>::getSimplifiedValue(static_cast<From&>(Val)); + typedef typename simplify_type<From>::SimpleType NonConstSimpleType; + typedef typename add_const_past_pointer<NonConstSimpleType>::type + SimpleType; + typedef typename add_lvalue_reference_if_not_pointer<SimpleType>::type + RetType; + static RetType getSimplifiedValue(const From& Val) { + return simplify_type<From>::getSimplifiedValue(const_cast<From&>(Val)); } }; @@ -81,6 +85,13 @@ template <typename To, typename From> struct isa_impl_cl<To, From*> { } }; +template <typename To, typename From> struct isa_impl_cl<To, From*const> { + static inline bool doit(const From *Val) { + assert(Val && "isa<> used on a null pointer"); + return isa_impl<To, From>::doit(*Val); + } +}; + template <typename To, typename From> struct isa_impl_cl<To, const From*> { static inline bool doit(const From *Val) { assert(Val && "isa<> used on a null pointer"); @@ -102,7 +113,7 @@ struct isa_impl_wrap { static bool doit(const From &Val) { return isa_impl_wrap<To, SimpleFrom, typename simplify_type<SimpleFrom>::SimpleType>::doit( - simplify_type<From>::getSimplifiedValue(Val)); + simplify_type<const From>::getSimplifiedValue(Val)); } }; @@ -121,7 +132,8 @@ struct isa_impl_wrap<To, FromTy, FromTy> { // template <class X, class Y> inline bool isa(const Y &Val) { - return isa_impl_wrap<X, Y, typename simplify_type<Y>::SimpleType>::doit(Val); + return isa_impl_wrap<X, const Y, + typename simplify_type<const Y>::SimpleType>::doit(Val); } //===----------------------------------------------------------------------===// @@ -178,7 +190,7 @@ struct cast_retty { // template<class To, class From, class SimpleFrom> struct cast_convert_val { // This is not a simple type, use the template to simplify it... - static typename cast_retty<To, From>::ret_type doit(const From &Val) { + static typename cast_retty<To, From>::ret_type doit(From &Val) { return cast_convert_val<To, SimpleFrom, typename simplify_type<SimpleFrom>::SimpleType>::doit( simplify_type<From>::getSimplifiedValue(Val)); @@ -204,20 +216,14 @@ template<class To, class FromTy> struct cast_convert_val<To,FromTy,FromTy> { // cast<Instruction>(myVal)->getParent() // template <class X, class Y> -inline typename enable_if_c< - !is_same<Y, typename simplify_type<Y>::SimpleType>::value, - typename cast_retty<X, Y>::ret_type ->::type cast(const Y &Val) { +inline typename cast_retty<X, const Y>::ret_type cast(const Y &Val) { assert(isa<X>(Val) && "cast<Ty>() argument of incompatible type!"); - return cast_convert_val<X, Y, - typename simplify_type<Y>::SimpleType>::doit(Val); + return cast_convert_val<X, const Y, + typename simplify_type<const Y>::SimpleType>::doit(Val); } template <class X, class Y> -inline typename enable_if< - is_same<Y, typename simplify_type<Y>::SimpleType>, - typename cast_retty<X, Y>::ret_type ->::type cast(Y &Val) { +inline typename cast_retty<X, Y>::ret_type cast(Y &Val) { assert(isa<X>(Val) && "cast<Ty>() argument of incompatible type!"); return cast_convert_val<X, Y, typename simplify_type<Y>::SimpleType>::doit(Val); @@ -253,18 +259,12 @@ inline typename cast_retty<X, Y*>::ret_type cast_or_null(Y *Val) { // template <class X, class Y> -inline typename enable_if_c< - !is_same<Y, typename simplify_type<Y>::SimpleType>::value, - typename cast_retty<X, Y>::ret_type ->::type dyn_cast(const Y &Val) { +inline typename cast_retty<X, const Y>::ret_type dyn_cast(const Y &Val) { return isa<X>(Val) ? cast<X>(Val) : 0; } template <class X, class Y> -inline typename enable_if< - is_same<Y, typename simplify_type<Y>::SimpleType>, - typename cast_retty<X, Y>::ret_type ->::type dyn_cast(Y &Val) { +inline typename cast_retty<X, Y>::ret_type dyn_cast(Y &Val) { return isa<X>(Val) ? cast<X>(Val) : 0; } diff --git a/include/llvm/Support/CodeGen.h b/include/llvm/Support/CodeGen.h index 1b66c94389..240eba6c8a 100644 --- a/include/llvm/Support/CodeGen.h +++ b/include/llvm/Support/CodeGen.h @@ -15,6 +15,9 @@ #ifndef LLVM_SUPPORT_CODEGEN_H #define LLVM_SUPPORT_CODEGEN_H +#include "llvm-c/TargetMachine.h" +#include "llvm/Support/ErrorHandling.h" + namespace llvm { // Relocation model types. @@ -47,6 +50,42 @@ namespace llvm { }; } + // Create wrappers for C Binding types (see CBindingWrapping.h). + inline CodeModel::Model unwrap(LLVMCodeModel Model) { + switch (Model) { + case LLVMCodeModelDefault: + return CodeModel::Default; + case LLVMCodeModelJITDefault: + return CodeModel::JITDefault; + case LLVMCodeModelSmall: + return CodeModel::Small; + case LLVMCodeModelKernel: + return CodeModel::Kernel; + case LLVMCodeModelMedium: + return CodeModel::Medium; + case LLVMCodeModelLarge: + return CodeModel::Large; + } + return CodeModel::Default; + } + + inline LLVMCodeModel wrap(CodeModel::Model Model) { + switch (Model) { + case CodeModel::Default: + return LLVMCodeModelDefault; + case CodeModel::JITDefault: + return LLVMCodeModelJITDefault; + case CodeModel::Small: + return LLVMCodeModelSmall; + case CodeModel::Kernel: + return LLVMCodeModelKernel; + case CodeModel::Medium: + return LLVMCodeModelMedium; + case CodeModel::Large: + return LLVMCodeModelLarge; + } + llvm_unreachable("Bad CodeModel!"); + } } // end llvm namespace #endif diff --git a/include/llvm/Support/Compiler.h b/include/llvm/Support/Compiler.h index 25f42a98e7..13d057be04 100644 --- a/include/llvm/Support/Compiler.h +++ b/include/llvm/Support/Compiler.h @@ -351,4 +351,14 @@ #define LLVM_EXPLICIT #endif +/// \macro LLVM_STATIC_ASSERT +/// \brief Expands to C/C++'s static_assert on compilers which support it. +#if __has_feature(cxx_static_assert) +# define LLVM_STATIC_ASSERT(expr, msg) static_assert(expr, msg) +#elif __has_feature(c_static_assert) +# define LLVM_STATIC_ASSERT(expr, msg) _Static_assert(expr, msg) +#else +# define LLVM_STATIC_ASSERT(expr, msg) +#endif + #endif diff --git a/include/llvm/Support/Compression.h b/include/llvm/Support/Compression.h new file mode 100644 index 0000000000..9b1142d035 --- /dev/null +++ b/include/llvm/Support/Compression.h @@ -0,0 +1,58 @@ +//===-- llvm/Support/Compression.h ---Compression----------------*- C++ -*-===// +// +// The LLVM Compiler Infrastructure +// +// This file is distributed under the University of Illinois Open Source +// License. See LICENSE.TXT for details. +// +//===----------------------------------------------------------------------===// +// +// This file contains basic functions for compression/uncompression. +// +//===----------------------------------------------------------------------===// + +#ifndef LLVM_SUPPORT_COMPRESSION_H +#define LLVM_SUPPORT_COMPRESSION_H + +#include "llvm/Support/DataTypes.h" + +namespace llvm { + +class MemoryBuffer; +template<typename T> class OwningPtr; +class StringRef; + +namespace zlib { + +enum CompressionLevel { + NoCompression, + DefaultCompression, + BestSpeedCompression, + BestSizeCompression +}; + +enum Status { + StatusOK, + StatusUnsupported, // zlib is unavaliable + StatusOutOfMemory, // there was not enough memory + StatusBufferTooShort, // there was not enough room in the output buffer + StatusInvalidArg, // invalid input parameter + StatusInvalidData // data was corrupted or incomplete +}; + +bool isAvailable(); + +Status compress(StringRef InputBuffer, + OwningPtr<MemoryBuffer> &CompressedBuffer, + CompressionLevel Level = DefaultCompression); + +Status uncompress(StringRef InputBuffer, + OwningPtr<MemoryBuffer> &UncompressedBuffer, + size_t UncompressedSize); + +} // End of namespace zlib + +} // End of namespace llvm + +#endif + diff --git a/include/llvm/Support/ELF.h b/include/llvm/Support/ELF.h index cc9151ef50..232aadc3e0 100644 --- a/include/llvm/Support/ELF.h +++ b/include/llvm/Support/ELF.h @@ -466,6 +466,7 @@ enum { // ELF Relocation types for PPC64 enum { + R_PPC64_NONE = 0, R_PPC64_ADDR32 = 1, R_PPC64_ADDR16_LO = 4, R_PPC64_ADDR16_HI = 5, @@ -480,10 +481,13 @@ enum { R_PPC64_TOC16_LO = 48, R_PPC64_TOC16_HA = 50, R_PPC64_TOC = 51, + R_PPC64_ADDR16_DS = 56, + R_PPC64_ADDR16_LO_DS = 57, R_PPC64_TOC16_DS = 63, R_PPC64_TOC16_LO_DS = 64, R_PPC64_TLS = 67, R_PPC64_TPREL16_LO = 70, + R_PPC64_TPREL16_HA = 72, R_PPC64_DTPREL16_LO = 75, R_PPC64_DTPREL16_HA = 77, R_PPC64_GOT_TLSGD16_LO = 80, diff --git a/include/llvm/Support/Endian.h b/include/llvm/Support/Endian.h index d438facfa4..0d35849883 100644 --- a/include/llvm/Support/Endian.h +++ b/include/llvm/Support/Endian.h @@ -37,7 +37,7 @@ namespace detail { namespace endian { template<typename value_type, endianness endian> inline value_type byte_swap(value_type value) { - if (endian != native && sys::isBigEndianHost() != (endian == big)) + if (endian != native && sys::IsBigEndianHost != (endian == big)) return sys::SwapByteOrder(value); return value; } diff --git a/include/llvm/Support/ErrorHandling.h b/include/llvm/Support/ErrorHandling.h index ca5dec0173..b948d97bff 100644 --- a/include/llvm/Support/ErrorHandling.h +++ b/include/llvm/Support/ErrorHandling.h @@ -24,7 +24,8 @@ namespace llvm { /// An error handler callback. typedef void (*fatal_error_handler_t)(void *user_data, - const std::string& reason); + const std::string& reason, + bool gen_crash_diag); /// install_fatal_error_handler - Installs a new error handler to be used /// whenever a serious (non-recoverable) error is encountered by LLVM. @@ -73,10 +74,14 @@ namespace llvm { /// standard error, followed by a newline. /// After the error handler is called this function will call exit(1), it /// does not return. - LLVM_ATTRIBUTE_NORETURN void report_fatal_error(const char *reason); - LLVM_ATTRIBUTE_NORETURN void report_fatal_error(const std::string &reason); - LLVM_ATTRIBUTE_NORETURN void report_fatal_error(StringRef reason); - LLVM_ATTRIBUTE_NORETURN void report_fatal_error(const Twine &reason); + LLVM_ATTRIBUTE_NORETURN void report_fatal_error(const char *reason, + bool gen_crash_diag = true); + LLVM_ATTRIBUTE_NORETURN void report_fatal_error(const std::string &reason, + bool gen_crash_diag = true); + LLVM_ATTRIBUTE_NORETURN void report_fatal_error(StringRef reason, + bool gen_crash_diag = true); + LLVM_ATTRIBUTE_NORETURN void report_fatal_error(const Twine &reason, + bool gen_crash_diag = true); /// This function calls abort(), and prints the optional message to stderr. /// Use the llvm_unreachable macro (that adds location info), instead of diff --git a/include/llvm/Support/FEnv.h b/include/llvm/Support/FEnv.h index d9cf7247a3..8560ee0a8a 100644 --- a/include/llvm/Support/FEnv.h +++ b/include/llvm/Support/FEnv.h @@ -32,7 +32,7 @@ namespace sys { /// llvm_fenv_clearexcept - Clear the floating-point exception state. static inline void llvm_fenv_clearexcept() { -#ifdef HAVE_FENV_H +#if defined(HAVE_FENV_H) && HAVE_DECL_FE_ALL_EXCEPT feclearexcept(FE_ALL_EXCEPT); #endif errno = 0; @@ -43,7 +43,7 @@ static inline bool llvm_fenv_testexcept() { int errno_val = errno; if (errno_val == ERANGE || errno_val == EDOM) return true; -#ifdef HAVE_FENV_H +#if defined(HAVE_FENV_H) && HAVE_DECL_FE_ALL_EXCEPT && HAVE_DECL_FE_INEXACT if (fetestexcept(FE_ALL_EXCEPT & ~FE_INEXACT)) return true; #endif diff --git a/include/llvm/Support/FormattedStream.h b/include/llvm/Support/FormattedStream.h index 21635dcfb6..2e4bd5aeca 100644 --- a/include/llvm/Support/FormattedStream.h +++ b/include/llvm/Support/FormattedStream.h @@ -17,125 +17,125 @@ #include "llvm/Support/raw_ostream.h" -namespace llvm -{ - /// formatted_raw_ostream - Formatted raw_fd_ostream to handle - /// asm-specific constructs. +namespace llvm { + +/// formatted_raw_ostream - A raw_ostream that wraps another one and keeps track +/// of column position, allowing padding out to specific column boundaries. +/// +class formatted_raw_ostream : public raw_ostream { +public: + /// DELETE_STREAM - Tell the destructor to delete the held stream. /// - class formatted_raw_ostream : public raw_ostream { - public: - /// DELETE_STREAM - Tell the destructor to delete the held stream. - /// - static const bool DELETE_STREAM = true; - - /// PRESERVE_STREAM - Tell the destructor to not delete the held - /// stream. - /// - static const bool PRESERVE_STREAM = false; - - private: - /// TheStream - The real stream we output to. We set it to be - /// unbuffered, since we're already doing our own buffering. - /// - raw_ostream *TheStream; - - /// DeleteStream - Do we need to delete TheStream in the - /// destructor? - /// - bool DeleteStream; - - /// ColumnScanned - The current output column of the data that's - /// been flushed and the portion of the buffer that's been - /// scanned. The column scheme is zero-based. - /// - unsigned ColumnScanned; - - /// Scanned - This points to one past the last character in the - /// buffer we've scanned. - /// - const char *Scanned; - - virtual void write_impl(const char *Ptr, size_t Size) LLVM_OVERRIDE; - - /// current_pos - Return the current position within the stream, - /// not counting the bytes currently in the buffer. - virtual uint64_t current_pos() const LLVM_OVERRIDE { - // Our current position in the stream is all the contents which have been - // written to the underlying stream (*not* the current position of the - // underlying stream). - return TheStream->tell(); - } - - /// ComputeColumn - Examine the given output buffer and figure out which - /// column we end up in after output. - /// - void ComputeColumn(const char *Ptr, size_t size); - - public: - /// formatted_raw_ostream - Open the specified file for - /// writing. If an error occurs, information about the error is - /// put into ErrorInfo, and the stream should be immediately - /// destroyed; the string will be empty if no error occurred. - /// - /// As a side effect, the given Stream is set to be Unbuffered. - /// This is because formatted_raw_ostream does its own buffering, - /// so it doesn't want another layer of buffering to be happening - /// underneath it. - /// - formatted_raw_ostream(raw_ostream &Stream, bool Delete = false) - : raw_ostream(), TheStream(0), DeleteStream(false), ColumnScanned(0) { - setStream(Stream, Delete); - } - explicit formatted_raw_ostream() - : raw_ostream(), TheStream(0), DeleteStream(false), ColumnScanned(0) { - Scanned = 0; - } - - ~formatted_raw_ostream() { - flush(); - releaseStream(); - } - - void setStream(raw_ostream &Stream, bool Delete = false) { - releaseStream(); - - TheStream = &Stream; - DeleteStream = Delete; - - // This formatted_raw_ostream inherits from raw_ostream, so it'll do its - // own buffering, and it doesn't need or want TheStream to do another - // layer of buffering underneath. Resize the buffer to what TheStream - // had been using, and tell TheStream not to do its own buffering. - if (size_t BufferSize = TheStream->GetBufferSize()) - SetBufferSize(BufferSize); - else - SetUnbuffered(); - TheStream->SetUnbuffered(); + static const bool DELETE_STREAM = true; + + /// PRESERVE_STREAM - Tell the destructor to not delete the held + /// stream. + /// + static const bool PRESERVE_STREAM = false; + +private: + /// TheStream - The real stream we output to. We set it to be + /// unbuffered, since we're already doing our own buffering. + /// + raw_ostream *TheStream; - Scanned = 0; - } - - /// PadToColumn - Align the output to some column number. If the current - /// column is already equal to or more than NewCol, PadToColumn inserts one - /// space. - /// - /// \param NewCol - The column to move to. - formatted_raw_ostream &PadToColumn(unsigned NewCol); - - private: - void releaseStream() { - // Delete the stream if needed. Otherwise, transfer the buffer - // settings from this raw_ostream back to the underlying stream. - if (!TheStream) - return; - if (DeleteStream) - delete TheStream; - else if (size_t BufferSize = GetBufferSize()) - TheStream->SetBufferSize(BufferSize); - else - TheStream->SetUnbuffered(); - } - }; + /// DeleteStream - Do we need to delete TheStream in the + /// destructor? + /// + bool DeleteStream; + + /// ColumnScanned - The current output column of the data that's + /// been flushed and the portion of the buffer that's been + /// scanned. The column scheme is zero-based. + /// + unsigned ColumnScanned; + + /// Scanned - This points to one past the last character in the + /// buffer we've scanned. + /// + const char *Scanned; + + virtual void write_impl(const char *Ptr, size_t Size) LLVM_OVERRIDE; + + /// current_pos - Return the current position within the stream, + /// not counting the bytes currently in the buffer. + virtual uint64_t current_pos() const LLVM_OVERRIDE { + // Our current position in the stream is all the contents which have been + // written to the underlying stream (*not* the current position of the + // underlying stream). + return TheStream->tell(); + } + + /// ComputeColumn - Examine the given output buffer and figure out which + /// column we end up in after output. + /// + void ComputeColumn(const char *Ptr, size_t size); + +public: + /// formatted_raw_ostream - Open the specified file for + /// writing. If an error occurs, information about the error is + /// put into ErrorInfo, and the stream should be immediately + /// destroyed; the string will be empty if no error occurred. + /// + /// As a side effect, the given Stream is set to be Unbuffered. + /// This is because formatted_raw_ostream does its own buffering, + /// so it doesn't want another layer of buffering to be happening + /// underneath it. + /// + formatted_raw_ostream(raw_ostream &Stream, bool Delete = false) + : raw_ostream(), TheStream(0), DeleteStream(false), ColumnScanned(0) { + setStream(Stream, Delete); + } + explicit formatted_raw_ostream() + : raw_ostream(), TheStream(0), DeleteStream(false), ColumnScanned(0) { + Scanned = 0; + } + + ~formatted_raw_ostream() { + flush(); + releaseStream(); + } + + void setStream(raw_ostream &Stream, bool Delete = false) { + releaseStream(); + + TheStream = &Stream; + DeleteStream = Delete; + + // This formatted_raw_ostream inherits from raw_ostream, so it'll do its + // own buffering, and it doesn't need or want TheStream to do another + // layer of buffering underneath. Resize the buffer to what TheStream + // had been using, and tell TheStream not to do its own buffering. + if (size_t BufferSize = TheStream->GetBufferSize()) + SetBufferSize(BufferSize); + else + SetUnbuffered(); + TheStream->SetUnbuffered(); + + Scanned = 0; + } + + /// PadToColumn - Align the output to some column number. If the current + /// column is already equal to or more than NewCol, PadToColumn inserts one + /// space. + /// + /// \param NewCol - The column to move to. + formatted_raw_ostream &PadToColumn(unsigned NewCol); + +private: + void releaseStream() { + // Delete the stream if needed. Otherwise, transfer the buffer + // settings from this raw_ostream back to the underlying stream. + if (!TheStream) + return; + if (DeleteStream) + delete TheStream; + else if (size_t BufferSize = GetBufferSize()) + TheStream->SetBufferSize(BufferSize); + else + TheStream->SetUnbuffered(); + } +}; /// fouts() - This returns a reference to a formatted_raw_ostream for /// standard output. Use it like: fouts() << "foo" << "bar"; diff --git a/include/llvm/Support/Host.h b/include/llvm/Support/Host.h index 3a44405739..9a4036a8af 100644 --- a/include/llvm/Support/Host.h +++ b/include/llvm/Support/Host.h @@ -15,23 +15,27 @@ #define LLVM_SUPPORT_HOST_H #include "llvm/ADT/StringMap.h" + +#if defined(__linux__) +#include <endian.h> +#else +#ifndef LLVM_ON_WIN32 +#include <machine/endian.h> +#endif +#endif + #include <string> namespace llvm { namespace sys { - inline bool isLittleEndianHost() { - union { - int i; - char c; - }; - i = 1; - return c; - } +#if defined(BYTE_ORDER) && defined(BIG_ENDIAN) && BYTE_ORDER == BIG_ENDIAN + static const bool IsBigEndianHost = true; +#else + static const bool IsBigEndianHost = false; +#endif - inline bool isBigEndianHost() { - return !isLittleEndianHost(); - } + static const bool IsLittleEndianHost = !IsBigEndianHost; /// getDefaultTargetTriple() - Return the default target triple the compiler /// has been configured to produce code for. diff --git a/include/llvm/Support/IRReader.h b/include/llvm/Support/IRReader.h deleted file mode 100644 index 6d8a9b30ae..0000000000 --- a/include/llvm/Support/IRReader.h +++ /dev/null @@ -1,112 +0,0 @@ -//===---- llvm/Support/IRReader.h - Reader for LLVM IR files ----*- C++ -*-===// -// -// The LLVM Compiler Infrastructure -// -// This file is distributed under the University of Illinois Open Source -// License. See LICENSE.TXT for details. -// -//===----------------------------------------------------------------------===// -// -// This file defines functions for reading LLVM IR. They support both -// Bitcode and Assembly, automatically detecting the input format. -// -// These functions must be defined in a header file in order to avoid -// library dependencies, since they reference both Bitcode and Assembly -// functions. -// -//===----------------------------------------------------------------------===// - -#ifndef LLVM_SUPPORT_IRREADER_H -#define LLVM_SUPPORT_IRREADER_H - -#include "llvm/ADT/OwningPtr.h" -#include "llvm/Assembly/Parser.h" -#include "llvm/Bitcode/ReaderWriter.h" -#include "llvm/Support/MemoryBuffer.h" -#include "llvm/Support/SourceMgr.h" -#include "llvm/Support/system_error.h" - -namespace llvm { - - /// If the given MemoryBuffer holds a bitcode image, return a Module for it - /// which does lazy deserialization of function bodies. Otherwise, attempt to - /// parse it as LLVM Assembly and return a fully populated Module. This - /// function *always* takes ownership of the given MemoryBuffer. - inline Module *getLazyIRModule(MemoryBuffer *Buffer, - SMDiagnostic &Err, - LLVMContext &Context) { - if (isBitcode((const unsigned char *)Buffer->getBufferStart(), - (const unsigned char *)Buffer->getBufferEnd())) { - std::string ErrMsg; - Module *M = getLazyBitcodeModule(Buffer, Context, &ErrMsg); - if (M == 0) { - Err = SMDiagnostic(Buffer->getBufferIdentifier(), SourceMgr::DK_Error, - ErrMsg); - // ParseBitcodeFile does not take ownership of the Buffer in the - // case of an error. - delete Buffer; - } - return M; - } - - return ParseAssembly(Buffer, 0, Err, Context); - } - - /// If the given file holds a bitcode image, return a Module - /// for it which does lazy deserialization of function bodies. Otherwise, - /// attempt to parse it as LLVM Assembly and return a fully populated - /// Module. - inline Module *getLazyIRFileModule(const std::string &Filename, - SMDiagnostic &Err, - LLVMContext &Context) { - OwningPtr<MemoryBuffer> File; - if (error_code ec = MemoryBuffer::getFileOrSTDIN(Filename.c_str(), File)) { - Err = SMDiagnostic(Filename, SourceMgr::DK_Error, - "Could not open input file: " + ec.message()); - return 0; - } - - return getLazyIRModule(File.take(), Err, Context); - } - - /// If the given MemoryBuffer holds a bitcode image, return a Module - /// for it. Otherwise, attempt to parse it as LLVM Assembly and return - /// a Module for it. This function *always* takes ownership of the given - /// MemoryBuffer. - inline Module *ParseIR(MemoryBuffer *Buffer, - SMDiagnostic &Err, - LLVMContext &Context) { - if (isBitcode((const unsigned char *)Buffer->getBufferStart(), - (const unsigned char *)Buffer->getBufferEnd())) { - std::string ErrMsg; - Module *M = ParseBitcodeFile(Buffer, Context, &ErrMsg); - if (M == 0) - Err = SMDiagnostic(Buffer->getBufferIdentifier(), SourceMgr::DK_Error, - ErrMsg); - // ParseBitcodeFile does not take ownership of the Buffer. - delete Buffer; - return M; - } - - return ParseAssembly(Buffer, 0, Err, Context); - } - - /// If the given file holds a bitcode image, return a Module for it. - /// Otherwise, attempt to parse it as LLVM Assembly and return a Module - /// for it. - inline Module *ParseIRFile(const std::string &Filename, - SMDiagnostic &Err, - LLVMContext &Context) { - OwningPtr<MemoryBuffer> File; - if (error_code ec = MemoryBuffer::getFileOrSTDIN(Filename.c_str(), File)) { - Err = SMDiagnostic(Filename, SourceMgr::DK_Error, - "Could not open input file: " + ec.message()); - return 0; - } - - return ParseIR(File.take(), Err, Context); - } - -} - -#endif diff --git a/include/llvm/Support/MemoryBuffer.h b/include/llvm/Support/MemoryBuffer.h index 1f02907d9f..0cce726d48 100644 --- a/include/llvm/Support/MemoryBuffer.h +++ b/include/llvm/Support/MemoryBuffer.h @@ -15,8 +15,10 @@ #define LLVM_SUPPORT_MEMORYBUFFER_H #include "llvm/ADT/StringRef.h" +#include "llvm/Support/CBindingWrapping.h" #include "llvm/Support/Compiler.h" #include "llvm/Support/DataTypes.h" +#include "llvm-c/Core.h" namespace llvm { @@ -137,6 +139,9 @@ public: virtual BufferKind getBufferKind() const = 0; }; +// Create wrappers for C Binding types (see CBindingWrapping.h). +DEFINE_SIMPLE_CONVERSION_FUNCTIONS(MemoryBuffer, LLVMMemoryBufferRef) + } // end namespace llvm #endif diff --git a/include/llvm/Support/Program.h b/include/llvm/Support/Program.h index a0cc27c024..fb177de97b 100644 --- a/include/llvm/Support/Program.h +++ b/include/llvm/Support/Program.h @@ -14,6 +14,7 @@ #ifndef LLVM_SUPPORT_PROGRAM_H #define LLVM_SUPPORT_PROGRAM_H +#include "llvm/ADT/ArrayRef.h" #include "llvm/Support/Path.h" namespace llvm { @@ -125,7 +126,8 @@ namespace sys { const sys::Path** redirects = 0, unsigned secondsToWait = 0, unsigned memoryLimit = 0, - std::string* ErrMsg = 0); + std::string* ErrMsg = 0, + bool *ExecutionFailed = 0); /// A convenience function equivalent to Program prg; prg.Execute(..); /// @see Execute @@ -139,6 +141,10 @@ namespace sys { /// @} }; + + // Return true if the given arguments fit within system-specific + // argument length limits. + bool argumentsFitWithinSystemLimits(ArrayRef<const char*> Args); } } diff --git a/include/llvm/Support/ValueHandle.h b/include/llvm/Support/ValueHandle.h index db44995d95..b49341c3ff 100644 --- a/include/llvm/Support/ValueHandle.h +++ b/include/llvm/Support/ValueHandle.h @@ -20,6 +20,7 @@ namespace llvm { class ValueHandleBase; +template<typename From> struct simplify_type; // ValueHandleBase** is only 4-byte aligned. template<> @@ -162,14 +163,12 @@ public: // Specialize simplify_type to allow WeakVH to participate in // dyn_cast, isa, etc. -template<typename From> struct simplify_type; -template<> struct simplify_type<const WeakVH> { +template<> struct simplify_type<WeakVH> { typedef Value* SimpleType; - static SimpleType getSimplifiedValue(const WeakVH &WVH) { - return static_cast<Value *>(WVH); + static SimpleType getSimplifiedValue(WeakVH &WVH) { + return WVH; } }; -template<> struct simplify_type<WeakVH> : public simplify_type<const WeakVH> {}; /// AssertingVH - This is a Value Handle that points to a value and asserts out /// if the value is destroyed while the handle is still live. This is very @@ -236,18 +235,6 @@ public: ValueTy &operator*() const { return *getValPtr(); } }; -// Specialize simplify_type to allow AssertingVH to participate in -// dyn_cast, isa, etc. -template<typename From> struct simplify_type; -template<> struct simplify_type<const AssertingVH<Value> > { - typedef Value* SimpleType; - static SimpleType getSimplifiedValue(const AssertingVH<Value> &AVH) { - return static_cast<Value *>(AVH); - } -}; -template<> struct simplify_type<AssertingVH<Value> > - : public simplify_type<const AssertingVH<Value> > {}; - // Specialize DenseMapInfo to allow AssertingVH to participate in DenseMap. template<typename T> struct DenseMapInfo<AssertingVH<T> > { @@ -345,18 +332,6 @@ public: ValueTy &operator*() const { return *getValPtr(); } }; -// Specialize simplify_type to allow TrackingVH to participate in -// dyn_cast, isa, etc. -template<typename From> struct simplify_type; -template<> struct simplify_type<const TrackingVH<Value> > { - typedef Value* SimpleType; - static SimpleType getSimplifiedValue(const TrackingVH<Value> &AVH) { - return static_cast<Value *>(AVH); - } -}; -template<> struct simplify_type<TrackingVH<Value> > - : public simplify_type<const TrackingVH<Value> > {}; - /// CallbackVH - This is a value handle that allows subclasses to define /// callbacks that run when the underlying Value has RAUW called on it or is /// destroyed. This class can be used as the key of a map, as long as the user @@ -399,18 +374,6 @@ public: virtual void allUsesReplacedWith(Value *); }; -// Specialize simplify_type to allow CallbackVH to participate in -// dyn_cast, isa, etc. -template<typename From> struct simplify_type; -template<> struct simplify_type<const CallbackVH> { - typedef Value* SimpleType; - static SimpleType getSimplifiedValue(const CallbackVH &CVH) { - return static_cast<Value *>(CVH); - } -}; -template<> struct simplify_type<CallbackVH> - : public simplify_type<const CallbackVH> {}; - } // End llvm namespace #endif diff --git a/include/llvm/Support/Watchdog.h b/include/llvm/Support/Watchdog.h new file mode 100644 index 0000000000..b58496b2fb --- /dev/null +++ b/include/llvm/Support/Watchdog.h @@ -0,0 +1,38 @@ +//===--- Watchdog.h - Watchdog timer ----------------------------*- C++ -*-===// +// +// The LLVM Compiler Infrastructure +// +// This file is distributed under the University of Illinois Open Source +// License. See LICENSE.TXT for details. +// +//===----------------------------------------------------------------------===// +// +// This file declares the llvm::sys::Watchdog class. +// +//===----------------------------------------------------------------------===// + +#ifndef LLVM_SUPPORT_WATCHDOG_H +#define LLVM_SUPPORT_WATCHDOG_H + +#include "llvm/Support/Compiler.h" + +namespace llvm { + namespace sys { + + /// This class provides an abstraction for a timeout around an operation + /// that must complete in a given amount of time. Failure to complete before + /// the timeout is an unrecoverable situation and no mechanisms to attempt + /// to handle it are provided. + class Watchdog { + public: + Watchdog(unsigned int seconds); + ~Watchdog(); + private: + // Noncopyable. + Watchdog(const Watchdog &other) LLVM_DELETED_FUNCTION; + Watchdog &operator=(const Watchdog &other) LLVM_DELETED_FUNCTION; + }; + } +} + +#endif diff --git a/include/llvm/Support/Win64EH.h b/include/llvm/Support/Win64EH.h index 164aca16bf..ecce713680 100644 --- a/include/llvm/Support/Win64EH.h +++ b/include/llvm/Support/Win64EH.h @@ -106,12 +106,17 @@ struct UnwindInfo { return reinterpret_cast<void *>(&UnwindCodes[(NumCodes+1) & ~1]); } - /// \brief Return image-relativ offset of language-specific exception handler. - uint32_t getLanguageSpecificHandlerOffset() { - return *reinterpret_cast<uint32_t *>(getLanguageSpecificData()); + /// \brief Return pointer to language specific data part of UnwindInfo. + const void *getLanguageSpecificData() const { + return reinterpret_cast<const void *>(&UnwindCodes[(NumCodes+1) & ~1]); + } + + /// \brief Return image-relative offset of language-specific exception handler. + uint32_t getLanguageSpecificHandlerOffset() const { + return *reinterpret_cast<const uint32_t *>(getLanguageSpecificData()); } - /// \brief Set image-relativ offset of language-specific exception handler. + /// \brief Set image-relative offset of language-specific exception handler. void setLanguageSpecificHandlerOffset(uint32_t offset) { *reinterpret_cast<uint32_t *>(getLanguageSpecificData()) = offset; } @@ -126,6 +131,11 @@ struct UnwindInfo { RuntimeFunction *getChainedFunctionEntry() { return reinterpret_cast<RuntimeFunction *>(getLanguageSpecificData()); } + + /// \brief Return pointer to chained unwind info. + const RuntimeFunction *getChainedFunctionEntry() const { + return reinterpret_cast<const RuntimeFunction *>(getLanguageSpecificData()); + } }; diff --git a/include/llvm/Support/type_traits.h b/include/llvm/Support/type_traits.h index db43ccfece..906e97c91f 100644 --- a/include/llvm/Support/type_traits.h +++ b/include/llvm/Support/type_traits.h @@ -209,6 +209,26 @@ template <typename T> struct remove_pointer<T*volatile> { typedef T type; }; template <typename T> struct remove_pointer<T*const volatile> { typedef T type; }; +// If T is a pointer, just return it. If it is not, return T&. +template<typename T, typename Enable = void> +struct add_lvalue_reference_if_not_pointer { typedef T &type; }; + +template<typename T> +struct add_lvalue_reference_if_not_pointer<T, + typename enable_if<is_pointer<T> >::type> { + typedef T type; +}; + +// If T is a pointer to X, return a pointer to const X. If it is not, return +// const T. +template<typename T, typename Enable = void> +struct add_const_past_pointer { typedef const T type; }; + +template<typename T> +struct add_const_past_pointer<T, typename enable_if<is_pointer<T> >::type> { + typedef const typename remove_pointer<T>::type *type; +}; + template <bool, typename T, typename F> struct conditional { typedef T type; }; |