[llvm-commits] [llvm] r158770 - in /llvm/trunk: include/llvm/Support/FileSystem.h lib/Support/Unix/PathV2.inc lib/Support/Windows/PathV2.inc unittests/Support/Path.cpp

Nick Kledzik kledzik at apple.com
Thu Jun 21 18:36:57 PDT 2012


On Jun 21, 2012, at 4:14 PM, Michael Spencer wrote:
> On Thu, Jun 21, 2012 at 3:58 PM, Galina Kistanova <gkistanova at gmail.com> wrote:
>> ok, never mind then.
>> 
>> Thanks
>> 
>> Galina
> 
> Actually, forget that. These interfaces cannot even be implemented in
> a thread safe way on Windows. Somehow I forgot that while reviewing
> this patch. The interface has to be redesigned.

No tears here.  I never really liked the N3365 interface.  What specifically is the thread safety issue?  

-Nick

> 
>> On Thu, Jun 21, 2012 at 3:52 PM, Michael Spencer <bigcheesegs at gmail.com>
>> wrote:
>>> 
>>> On Thu, Jun 21, 2012 at 3:51 PM, Galina Kistanova <gkistanova at gmail.com>
>>> wrote:
>>>> Please temporarily disable these tests for Windows, unless Michael is
>>>> about
>>>> to commit this fix.
>>>> 
>>>> Thanks
>>>> 
>>>> Galina
>>> 
>>> I'm about to.
>>> 
>>> - Michael Spencer
>>> 
>>>> On Thu, Jun 21, 2012 at 3:37 PM, Nick Kledzik <kledzik at apple.com> wrote:
>>>>> 
>>>>> These new functions are not implemented for Windows.  Michael Spencer
>>>>> said
>>>>> he would do the Windows implementation.
>>>>> 
>>>>> In cases like this, is it better to check in the test cases known to
>>>>> not
>>>>> work on some platforms, so they can get tested on the others.  Or check
>>>>>  in
>>>>> the test cases disabled?
>>>>> 
>>>>> -Nick
>>>>> 
>>>>> On Jun 21, 2012, at 3:33 PM, Galina Kistanova wrote:
>>>>> Hi Nick,
>>>>> 
>>>>> The tests
>>>>> LLVM-Unit ::
>>>>> Support/Release+Asserts/SupportTests.exe/FileSystemTest.FileMapping
>>>>> LLVM-Unit ::
>>>>> Support/Release+Asserts/SupportTests.exe/FileSystemTest.Permissions
>>>>> fail on one of builders:
>>>>> 
>>>>> 
>>>>> http://lab.llvm.org:8011/builders/clang-native-mingw32-win7/builds/2206/steps/test-llvm/logs/fail
>>>>> Please have a look at them?
>>>>> 
>>>>> Thanks
>>>>> 
>>>>> Galina
>>>>> 
>>>>> On Tue, Jun 19, 2012 at 5:28 PM, Nick Kledzik <kledzik at apple.com>
>>>>> wrote:
>>>>>> 
>>>>>> Author: kledzik
>>>>>> Date: Tue Jun 19 19:28:54 2012
>>>>>> New Revision: 158770
>>>>>> 
>>>>>> URL: http://llvm.org/viewvc/llvm-project?rev=158770&view=rev
>>>>>> Log:
>>>>>> Add permissions(), map_file_pages(), and unmap_file_pages() to
>>>>>> llvm::sys::fs and add unit test. Unix is implemented.  Windows side
>>>>>> needs to
>>>>>> be implemented.
>>>>>> 
>>>>>> Modified:
>>>>>>    llvm/trunk/include/llvm/Support/FileSystem.h
>>>>>>    llvm/trunk/lib/Support/Unix/PathV2.inc
>>>>>>    llvm/trunk/lib/Support/Windows/PathV2.inc
>>>>>>    llvm/trunk/unittests/Support/Path.cpp
>>>>>> 
>>>>>> Modified: llvm/trunk/include/llvm/Support/FileSystem.h
>>>>>> URL:
>>>>>> 
>>>>>> http://llvm.org/viewvc/llvm-project/llvm/trunk/include/llvm/Support/FileSystem.h?rev=158770&r1=158769&r2=158770&view=diff
>>>>>> 
>>>>>> 
>>>>>> ==============================================================================
>>>>>> --- llvm/trunk/include/llvm/Support/FileSystem.h (original)
>>>>>> +++ llvm/trunk/include/llvm/Support/FileSystem.h Tue Jun 19 19:28:54
>>>>>> 2012
>>>>>> @@ -94,6 +94,55 @@
>>>>>>   uint64_t available;
>>>>>>  };
>>>>>> 
>>>>>> +
>>>>>> +enum perms {
>>>>>> +  no_perms     = 0,
>>>>>> +  owner_read   = 0400,
>>>>>> +  owner_write  = 0200,
>>>>>> +  owner_exe    = 0100,
>>>>>> +  owner_all    = owner_read | owner_write | owner_exe,
>>>>>> +  group_read   =  040,
>>>>>> +  group_write  =  020,
>>>>>> +  group_exe    =  010,
>>>>>> +  group_all    = group_read | group_write | group_exe,
>>>>>> +  others_read  =   04,
>>>>>> +  others_write =   02,
>>>>>> +  others_exe   =   01,
>>>>>> +  others_all   = others_read | others_write | others_exe,
>>>>>> +  all_all      = owner_all | group_all | others_all,
>>>>>> +  set_uid_on_exe  = 04000,
>>>>>> +  set_gid_on_exe  = 02000,
>>>>>> +  sticky_bit      = 01000,
>>>>>> +  perms_mask      = all_all | set_uid_on_exe | set_gid_on_exe |
>>>>>> sticky_bit,
>>>>>> +  perms_not_known = 0xFFFF,
>>>>>> +  add_perms       = 0x1000,
>>>>>> +  remove_perms    = 0x2000,
>>>>>> +  symlink_perms   = 0x4000
>>>>>> +};
>>>>>> +
>>>>>> +// Helper functions so that you can use & and | to manipulate perms
>>>>>> bits:
>>>>>> +inline perms operator|(perms l , perms r) {
>>>>>> +  return static_cast<perms>(
>>>>>> +             static_cast<unsigned short>(l) | static_cast<unsigned
>>>>>> short>(r));
>>>>>> +}
>>>>>> +inline perms operator&(perms l , perms r) {
>>>>>> +  return static_cast<perms>(
>>>>>> +             static_cast<unsigned short>(l) & static_cast<unsigned
>>>>>> short>(r));
>>>>>> +}
>>>>>> +inline perms &operator|=(perms &l, perms r) {
>>>>>> +  l = l | r;
>>>>>> +  return l;
>>>>>> +}
>>>>>> +inline perms &operator&=(perms &l, perms r) {
>>>>>> +  l = l & r;
>>>>>> +  return l;
>>>>>> +}
>>>>>> +inline perms operator~(perms x) {
>>>>>> +  return static_cast<perms>(~static_cast<unsigned short>(x));
>>>>>> +}
>>>>>> +
>>>>>> +
>>>>>> +
>>>>>>  /// file_status - Represents the result of a call to stat and
>>>>>> friends.
>>>>>> It has
>>>>>>  ///               a platform specific member to store the result.
>>>>>>  class file_status
>>>>>> @@ -113,12 +162,19 @@
>>>>>>   friend bool equivalent(file_status A, file_status B);
>>>>>>   friend error_code status(const Twine &path, file_status &result);
>>>>>>   file_type Type;
>>>>>> +  perms Perms;
>>>>>>  public:
>>>>>> -  explicit file_status(file_type v=file_type::status_error)
>>>>>> -    : Type(v) {}
>>>>>> +  explicit file_status(file_type v=file_type::status_error,
>>>>>> +                      perms prms=perms_not_known)
>>>>>> +    : Type(v), Perms(prms) {}
>>>>>> 
>>>>>> +  // getters
>>>>>>   file_type type() const { return Type; }
>>>>>> +  perms permissions() const { return Perms; }
>>>>>> +
>>>>>> +  // setters
>>>>>>   void type(file_type v) { Type = v; }
>>>>>> +  void permissions(perms p) { Perms = p; }
>>>>>>  };
>>>>>> 
>>>>>>  /// file_magic - An "enum class" enumeration of file types based on
>>>>>> magic (the first
>>>>>> @@ -395,6 +451,13 @@
>>>>>>  ///          platform specific error_code.
>>>>>>  error_code status(const Twine &path, file_status &result);
>>>>>> 
>>>>>> +/// @brief Modifies permission bits on a file
>>>>>> +///
>>>>>> +/// @param path Input path.
>>>>>> +/// @results errc::success if permissions have been changed,
>>>>>> otherwise a
>>>>>> +///          platform specific error_code.
>>>>>> +error_code permissions(const Twine &path, perms prms);
>>>>>> +
>>>>>>  /// @brief Is status available?
>>>>>>  ///
>>>>>>  /// @param path Input path.
>>>>>> @@ -513,6 +576,33 @@
>>>>>>  error_code GetMainExecutable(const char *argv0, void *MainAddr,
>>>>>>                              SmallVectorImpl<char> &result);
>>>>>> 
>>>>>> +
>>>>>> +/// @brief Memory maps the contents of a file
>>>>>> +///
>>>>>> +/// @param path Path to file to map.
>>>>>> +/// @param file_offset Byte offset in file where mapping should
>>>>>> begin.
>>>>>> +/// @param size_t Byte length of range of the file to map.
>>>>>> +/// @param map_writable If true, the file will be mapped in r/w such
>>>>>> +///        that changes to the the mapped buffer will be flushed back
>>>>>> +///        to the file.  If false, the file will be mapped read-only
>>>>>> +///        and the buffer will be read-only.
>>>>>> +/// @param result Set to the start address of the mapped buffer.
>>>>>> +/// @results errc::success if result has been successfully set,
>>>>>> otherwise a
>>>>>> +///          platform specific error_code.
>>>>>> +error_code map_file_pages(const Twine &path, off_t file_offset,
>>>>>> size_t
>>>>>> size,
>>>>>> +                          bool map_writable, void *&result);
>>>>>> +
>>>>>> +
>>>>>> +/// @brief Memory unmaps the contents of a file
>>>>>> +///
>>>>>> +/// @param base Pointer to the start of the buffer.
>>>>>> +/// @param size Byte length of the range to unmmap.
>>>>>> +/// @results errc::success if result has been successfully set,
>>>>>> otherwise a
>>>>>> +///          platform specific error_code.
>>>>>> +error_code unmap_file_pages(void *base, size_t size);
>>>>>> +
>>>>>> +
>>>>>> +
>>>>>>  /// @}
>>>>>>  /// @name Iterators
>>>>>>  /// @{
>>>>>> 
>>>>>> Modified: llvm/trunk/lib/Support/Unix/PathV2.inc
>>>>>> URL:
>>>>>> 
>>>>>> http://llvm.org/viewvc/llvm-project/llvm/trunk/lib/Support/Unix/PathV2.inc?rev=158770&r1=158769&r2=158770&view=diff
>>>>>> 
>>>>>> 
>>>>>> ==============================================================================
>>>>>> --- llvm/trunk/lib/Support/Unix/PathV2.inc (original)
>>>>>> +++ llvm/trunk/lib/Support/Unix/PathV2.inc Tue Jun 19 19:28:54 2012
>>>>>> @@ -24,6 +24,9 @@
>>>>>>  #if HAVE_FCNTL_H
>>>>>>  #include <fcntl.h>
>>>>>>  #endif
>>>>>> +#ifdef HAVE_SYS_MMAN_H
>>>>>> +#include <sys/mman.h>
>>>>>> +#endif
>>>>>>  #if HAVE_DIRENT_H
>>>>>>  # include <dirent.h>
>>>>>>  # define NAMLEN(dirent) strlen((dirent)->d_name)
>>>>>> @@ -325,20 +328,22 @@
>>>>>>     return ec;
>>>>>>   }
>>>>>> 
>>>>>> +  perms prms = static_cast<perms>(status.st_mode & perms_mask);
>>>>>> +
>>>>>>   if (S_ISDIR(status.st_mode))
>>>>>> -    result = file_status(file_type::directory_file);
>>>>>> +    result = file_status(file_type::directory_file, prms);
>>>>>>   else if (S_ISREG(status.st_mode))
>>>>>> -    result = file_status(file_type::regular_file);
>>>>>> +    result = file_status(file_type::regular_file, prms);
>>>>>>   else if (S_ISBLK(status.st_mode))
>>>>>> -    result = file_status(file_type::block_file);
>>>>>> +    result = file_status(file_type::block_file, prms);
>>>>>>   else if (S_ISCHR(status.st_mode))
>>>>>> -    result = file_status(file_type::character_file);
>>>>>> +    result = file_status(file_type::character_file, prms);
>>>>>>   else if (S_ISFIFO(status.st_mode))
>>>>>> -    result = file_status(file_type::fifo_file);
>>>>>> +    result = file_status(file_type::fifo_file, prms);
>>>>>>   else if (S_ISSOCK(status.st_mode))
>>>>>> -    result = file_status(file_type::socket_file);
>>>>>> +    result = file_status(file_type::socket_file, prms);
>>>>>>   else
>>>>>> -    result = file_status(file_type::type_unknown);
>>>>>> +    result = file_status(file_type::type_unknown, prms);
>>>>>> 
>>>>>>   result.fs_st_dev = status.st_dev;
>>>>>>   result.fs_st_ino = status.st_ino;
>>>>>> @@ -346,6 +351,35 @@
>>>>>>   return error_code::success();
>>>>>>  }
>>>>>> 
>>>>>> +// Modifies permissions on a file.
>>>>>> +error_code permissions(const Twine &path, perms prms) {
>>>>>> +  if ((prms & add_perms) && (prms & remove_perms))
>>>>>> +    llvm_unreachable("add_perms and remove_perms are mutually
>>>>>> exclusive");
>>>>>> +
>>>>>> +  // Get current permissions
>>>>>> +  file_status info;
>>>>>> +  if (error_code ec = status(path, info)) {
>>>>>> +    return ec;
>>>>>> +  }
>>>>>> +
>>>>>> +  // Set updated permissions.
>>>>>> +  SmallString<128> path_storage;
>>>>>> +  StringRef p = path.toNullTerminatedStringRef(path_storage);
>>>>>> +  perms permsToSet;
>>>>>> +  if (prms & add_perms) {
>>>>>> +    permsToSet = (info.permissions() | prms) & perms_mask;
>>>>>> +  } else if (prms & remove_perms) {
>>>>>> +    permsToSet = (info.permissions() & ~prms) & perms_mask;
>>>>>> +  } else {
>>>>>> +    permsToSet = prms & perms_mask;
>>>>>> +  }
>>>>>> +  if (::chmod(p.begin(), static_cast<mode_t>(permsToSet))) {
>>>>>> +    return error_code(errno, system_category());
>>>>>> +  }
>>>>>> +
>>>>>> +  return error_code::success();
>>>>>> +}
>>>>>> +
>>>>>>  // Since this is most often used for temporary files, mode defaults
>>>>>> to
>>>>>> 0600.
>>>>>>  error_code unique_file(const Twine &model, int &result_fd,
>>>>>>                        SmallVectorImpl<char> &result_path,
>>>>>> @@ -495,6 +529,36 @@
>>>>>>   return error_code::success();
>>>>>>  }
>>>>>> 
>>>>>> +error_code map_file_pages(const Twine &path, off_t file_offset,
>>>>>> size_t
>>>>>> size,
>>>>>> +                                            bool map_writable, void
>>>>>> *&result) {
>>>>>> +  SmallString<128> path_storage;
>>>>>> +  StringRef name = path.toNullTerminatedStringRef(path_storage);
>>>>>> +  int oflags = map_writable ? O_RDWR : O_RDONLY;
>>>>>> +  int ofd = ::open(name.begin(), oflags);
>>>>>> +  if ( ofd == -1 )
>>>>>> +    return error_code(errno, system_category());
>>>>>> +  AutoFD fd(ofd);
>>>>>> +  int flags = map_writable ? MAP_SHARED : MAP_PRIVATE;
>>>>>> +  int prot = map_writable ? (PROT_READ|PROT_WRITE) : PROT_READ;
>>>>>> +#ifdef MAP_FILE
>>>>>> +  flags |= MAP_FILE;
>>>>>> +#endif
>>>>>> +  result = ::mmap(0, size, prot, flags, fd, file_offset);
>>>>>> +  if (result == MAP_FAILED) {
>>>>>> +    return error_code(errno, system_category());
>>>>>> +  }
>>>>>> +
>>>>>> +  return error_code::success();
>>>>>> +}
>>>>>> +
>>>>>> +error_code unmap_file_pages(void *base, size_t size) {
>>>>>> +  if ( ::munmap(base, size) == -1 )
>>>>>> +    return error_code(errno, system_category());
>>>>>> +
>>>>>> +  return error_code::success();
>>>>>> +}
>>>>>> +
>>>>>> +
>>>>>>  } // end namespace fs
>>>>>>  } // end namespace sys
>>>>>>  } // end namespace llvm
>>>>>> 
>>>>>> Modified: llvm/trunk/lib/Support/Windows/PathV2.inc
>>>>>> URL:
>>>>>> 
>>>>>> http://llvm.org/viewvc/llvm-project/llvm/trunk/lib/Support/Windows/PathV2.inc?rev=158770&r1=158769&r2=158770&view=diff
>>>>>> 
>>>>>> 
>>>>>> ==============================================================================
>>>>>> --- llvm/trunk/lib/Support/Windows/PathV2.inc (original)
>>>>>> +++ llvm/trunk/lib/Support/Windows/PathV2.inc Tue Jun 19 19:28:54 2012
>>>>>> @@ -497,6 +497,41 @@
>>>>>>   return error_code::success();
>>>>>>  }
>>>>>> 
>>>>>> +
>>>>>> +// Modifies permissions on a file.
>>>>>> +error_code permissions(const Twine &path, perms prms) {
>>>>>> +#if 0 // verify code below before enabling:
>>>>>> +  // If the permissions bits are not trying to modify
>>>>>> +  // "write" permissions, there is nothing to do.
>>>>>> +  if (!(prms & (owner_write|group_write|others_write)))
>>>>>> +    return error_code::success();
>>>>>> +
>>>>>> +  SmallString<128> path_storage;
>>>>>> +  SmallVector<wchar_t, 128> path_utf16;
>>>>>> +
>>>>>> +  if (error_code ec = UTF8ToUTF16(path.toStringRef(path_storage),
>>>>>> +                                  path_utf16))
>>>>>> +    return ec;
>>>>>> +
>>>>>> +  DWORD attributes = ::GetFileAttributesW(path_utf16.begin());
>>>>>> +
>>>>>> +  if (prms & add_perms) {
>>>>>> +    attributes &= ~FILE_ATTRIBUTE_READONLY;
>>>>>> +  }
>>>>>> +  else if (prms & remove_perms) {
>>>>>> +    attributes |= FILE_ATTRIBUTE_READONLY;
>>>>>> +  }
>>>>>> +  else {
>>>>>> +    assert(0 && "neither add_perms or remove_perms is set");
>>>>>> +  }
>>>>>> +
>>>>>> +  if ( ! ::SetFileAttributesW(path_utf16.begin(), attributes))
>>>>>> +    return windows_error(::GetLastError());
>>>>>> +#endif
>>>>>> +  return error_code::success();
>>>>>> +}
>>>>>> +
>>>>>> +
>>>>>>  // FIXME: mode should be used here and default to user r/w only,
>>>>>>  // it currently comes in as a UNIX mode.
>>>>>>  error_code unique_file(const Twine &model, int &result_fd,
>>>>>> @@ -755,6 +790,17 @@
>>>>>>   return error_code::success();
>>>>>>  }
>>>>>> 
>>>>>> +error_code map_file_pages(const Twine &path, off_t file_offset,
>>>>>> size_t
>>>>>> size,
>>>>>> +                                            bool map_writable, void
>>>>>> *&result) {
>>>>>> +  assert(0 && "NOT IMPLEMENTED");
>>>>>> +}
>>>>>> +
>>>>>> +error_code unmap_file_pages(void *base, size_t size) {
>>>>>> +  assert(0 && "NOT IMPLEMENTED");
>>>>>> +}
>>>>>> +
>>>>>> +
>>>>>> +
>>>>>>  } // end namespace fs
>>>>>>  } // end namespace sys
>>>>>>  } // end namespace llvm
>>>>>> 
>>>>>> Modified: llvm/trunk/unittests/Support/Path.cpp
>>>>>> URL:
>>>>>> 
>>>>>> http://llvm.org/viewvc/llvm-project/llvm/trunk/unittests/Support/Path.cpp?rev=158770&r1=158769&r2=158770&view=diff
>>>>>> 
>>>>>> 
>>>>>> ==============================================================================
>>>>>> --- llvm/trunk/unittests/Support/Path.cpp (original)
>>>>>> +++ llvm/trunk/unittests/Support/Path.cpp Tue Jun 19 19:28:54 2012
>>>>>> @@ -312,4 +312,69 @@
>>>>>>   }
>>>>>>  }
>>>>>> 
>>>>>> +
>>>>>> +TEST_F(FileSystemTest, Permissions) {
>>>>>> +  // Create a temp file.
>>>>>> +  int FileDescriptor;
>>>>>> +  SmallString<64> TempPath;
>>>>>> +  ASSERT_NO_ERROR(
>>>>>> +    fs::unique_file("%%-%%-%%-%%.temp", FileDescriptor, TempPath));
>>>>>> +
>>>>>> +  // Mark file as read-only
>>>>>> +  const fs::perms AllWrite =
>>>>>> fs::owner_write|fs::group_write|fs::others_write;
>>>>>> +  ASSERT_NO_ERROR(fs::permissions(Twine(TempPath),
>>>>>> fs::remove_perms|AllWrite));
>>>>>> +
>>>>>> +  // Verify file is read-only
>>>>>> +  fs::file_status Status;
>>>>>> +  ASSERT_NO_ERROR(fs::status(Twine(TempPath), Status));
>>>>>> +  bool AnyWriteBits = (Status.permissions() & AllWrite);
>>>>>> +  EXPECT_FALSE(AnyWriteBits);
>>>>>> +
>>>>>> +  // Mark file as read-write
>>>>>> +  ASSERT_NO_ERROR(fs::permissions(Twine(TempPath),
>>>>>> fs::add_perms|AllWrite));
>>>>>> +
>>>>>> +  // Verify file is read-write
>>>>>> +  ASSERT_NO_ERROR(fs::status(Twine(TempPath), Status));
>>>>>> +  AnyWriteBits = (Status.permissions() & AllWrite);
>>>>>> +  EXPECT_TRUE(AnyWriteBits);
>>>>>> +}
>>>>>> +
>>>>>> +TEST_F(FileSystemTest, FileMapping) {
>>>>>> +  // Create a temp file.
>>>>>> +  int FileDescriptor;
>>>>>> +  SmallString<64> TempPath;
>>>>>> +  ASSERT_NO_ERROR(
>>>>>> +    fs::unique_file("%%-%%-%%-%%.temp", FileDescriptor, TempPath));
>>>>>> +
>>>>>> +  // Grow temp file to be 4096 bytes
>>>>>> +  ASSERT_NO_ERROR(sys::fs::resize_file(Twine(TempPath), 4096));
>>>>>> +
>>>>>> +  // Map in temp file and add some content
>>>>>> +  void* MappedMemory;
>>>>>> +  ASSERT_NO_ERROR(fs::map_file_pages(Twine(TempPath), 0, 4096,
>>>>>> +                                true /*writable*/, MappedMemory));
>>>>>> +  char* Memory = reinterpret_cast<char*>(MappedMemory);
>>>>>> +  strcpy(Memory, "hello there");
>>>>>> +
>>>>>> +  // Unmap temp file
>>>>>> +  ASSERT_NO_ERROR(fs::unmap_file_pages(MappedMemory, 4096));
>>>>>> +  MappedMemory = NULL;
>>>>>> +  Memory = NULL;
>>>>>> +
>>>>>> +  // Map it back in read-only
>>>>>> +  ASSERT_NO_ERROR(fs::map_file_pages(Twine(TempPath), 0, 4096,
>>>>>> +                                false /*read-only*/, MappedMemory));
>>>>>> +
>>>>>> +  // Verify content
>>>>>> +  Memory = reinterpret_cast<char*>(MappedMemory);
>>>>>> +  bool SAME = (strcmp(Memory, "hello there") == 0);
>>>>>> +  EXPECT_TRUE(SAME);
>>>>>> +
>>>>>> +  // Unmap temp file
>>>>>> +  ASSERT_NO_ERROR(fs::unmap_file_pages(MappedMemory, 4096));
>>>>>> +  MappedMemory = NULL;
>>>>>> +  Memory = NULL;
>>>>>> +}
>>>>>> +
>>>>>> +
>>>>>>  } // anonymous namespace
>>>>>> 
>>>>>> 
>>>>>> _______________________________________________
>>>>>> llvm-commits mailing list
>>>>>> llvm-commits at cs.uiuc.edu
>>>>>> http://lists.cs.uiuc.edu/mailman/listinfo/llvm-commits
>>>>> 
>>>>> 
>>>>> 
>>>> 
>> 
>> 




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