8731d0cc83
The signed version of our "magic number" computation for the integer approximation
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of a constant had a minor typo introduced when copying it from the book, which
caused it to favor negative approximations over positive approximations in many
cases. Positive approximations require fewer operations beyond the multiplication.
In the case of division by 3, we still generate code that is a single instruction
larger than GCC's code.
llvm-svn: 126097
2011-02-21 00:22:02 +00:00
4192802280
Provide tag strings for llvm specific tags.
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llvm-svn: 125986
2011-02-18 23:06:29 +00:00
c37910ea28
improve support for OpenBSD, patch by Amit Kulkarni!
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llvm-svn: 125943
2011-02-18 17:04:56 +00:00
4f3f9c7ba9
Check the errorcode.
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llvm-svn: 125804
2011-02-18 00:47:07 +00:00
7cc6d12ad0
Enhance constant folding of bitcast operations on vectors of floats.
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Add getAllOnesValue of FP numbers to Constants and APFloat.
Add more tests.
llvm-svn: 125776
2011-02-17 21:22:27 +00:00
4c14a5cc2c
Triple::MinGW64 is deprecated and removed. We can use Triple::MinGW32 generally.
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No one uses *-mingw64. mingw-w64 is represented as {i686|x86_64}-w64-mingw32. In llvm side, i686 and x64 can be treated as similar way.
llvm-svn: 125747
2011-02-17 12:24:17 +00:00
a61736ff90
Implement a function from PathV2 whose definition is missing.
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llvm-svn: 125574
2011-02-15 17:51:19 +00:00
606bb1a2dc
Adds llvm::sys::path::is_separator() to test whether a char is a path separator
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on the host OS. Reviewed by dgregor.
llvm-svn: 125406
2011-02-11 21:24:40 +00:00
56b2ffdaba
Rip out realpath() support. It's expensive, and often a bad idea, and
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I have another way to achieve the same goal.
llvm-svn: 125239
2011-02-09 23:33:15 +00:00
f73f5ba21c
Attempt to fix the build after r125228.
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llvm-svn: 125236
2011-02-09 23:02:14 +00:00
529329e859
Add llvm::sys::path::canonical(), which provides the canonicalized
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name of a path, after resolving symbolic links and eliminating excess
path elements such as "foo/../" and "./".
This routine still needs a Windows implementation, but I don't have a
Windows machine available. Help? Please?
llvm-svn: 125228
2011-02-09 22:11:23 +00:00
189111808e
lib/Support/Errno.cpp: Check strerror_s() with HAVE_DECL_STRERROR_S in config.h.*.
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AC_CHECK_FUNCS seeks a symbol only in libs. We should check the declaration in string.h.
FIXME: I have never seen mingw(s) have strerror_s() (not _strerror_s()).
FIXME: Autoconf/CMake may seek strerror_s() with the definition MINGW_HAS_SECURE_API in future.
llvm-svn: 125172
2011-02-09 04:18:48 +00:00
aeb4c0d8fb
Windows/Windows.h: Redefine _WIN32_WINNT here. mingw-w64 tends to define it as 0x0502 in its headers.
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llvm-svn: 125171
2011-02-09 04:18:30 +00:00
28242e8ff6
Windows/Program.inc: Eliminate the declaration of SetInformationJobObject(). It should be provided with _WIN32_WINNT>=0x0500.
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llvm-svn: 125170
2011-02-09 04:18:21 +00:00
684ef5e7bd
Windows/DynamicLibrary.inc: ELM_Callback fix for mingw-w64.
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llvm-svn: 125169
2011-02-09 04:18:12 +00:00
56e41f7f0b
Don't open the file again in the gold plugin. To be able to do this, update
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MemoryBuffer::getOpenFile to not close the file descriptor.
llvm-svn: 125128
2011-02-08 22:40:47 +00:00
630125ab27
Fix a clang warning.
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llvm-svn: 124960
2011-02-05 18:19:35 +00:00
03a541f5c4
Windows/DynamicLibrary.inc: Split explicit symbols into explicit_symbols.inc.
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config.h.* have conditions whether each symbol is defined or not.
Autoconf and CMake may check symbols in libgcc.a for JIT on Mingw.
llvm-svn: 124950
2011-02-05 15:11:53 +00:00
3e600a29d3
Windows/Program.inc: Quote arguments when dubious characters (used by cmd.exe or MSYS shell) are included to invoke CreateProcess(). Thanks to Danil Malyshev.
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llvm-svn: 124945
2011-02-05 08:53:12 +00:00
5a3ff5b5a0
Make Win32's header file name lower for cross build on case-sensitive filesystem.
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llvm-svn: 124864
2011-02-04 12:53:04 +00:00
4fed88704d
raw_fd_ostream: Add a SetUseAtomicWrites() method (uses writev).
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llvm-svn: 124771
2011-02-03 03:32:32 +00:00
fdfdbd091d
Remove NoVendor and NoOS, added in commit 123990, from Triple. While it
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may be useful to understand "none", this is not the place for it. Tweak
the fix to Normalize while there: the fix added in 123990 works correctly,
but I like this way better. Finally, now that Triple understands some
non-trivial environment values, teach the unittests about them.
llvm-svn: 124720
2011-02-02 10:08:38 +00:00
d22a4a1fd6
Patches to build EFI with Clang/LLVM. By Carl Norum.
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llvm-svn: 124639
2011-02-01 01:14:13 +00:00
72d523beab
Support/CommandLine: Fix LookupNearestOption to also search extra option names.
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llvm-svn: 124124
2011-01-24 17:27:17 +00:00
3c4408ceb6
Null initialize a few variables flagged by
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clang's -Wuninitialized-experimental warning.
While these don't look like real bugs, clang's
-Wuninitialized-experimental analysis is stricter
than GCC's, and these fixes have the benefit
of being general nice cleanups.
llvm-svn: 124073
2011-01-23 17:05:06 +00:00
83758d5cd7
Clang was not parsing target triples involving EABI and was generating wrong IR (wrong PCS) and passing the wrong information down llc via the target-triple printed in IR. I've fixed this by adding the parsing of EABI into LLVM's Triple class and using it to choose the correct PCS in Clang's Tools. A Clang patch is on its way to use this infrastructure.
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llvm-svn: 123990
2011-01-21 18:25:47 +00:00
f413213a48
Support/CommandLine: Add "Did you mean" print for mismatched operands.
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llvm-svn: 123717
2011-01-18 01:59:24 +00:00
8a07451a6e
Windows/PathV2.inc: For CryptAcquireContext(), CRYPT_VERIFYCONTEXT may be specified for easy use.
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llvm-svn: 123687
2011-01-17 22:41:34 +00:00
53f893af54
Windows/PathV2.inc: MoveFileEx() can behave like Posix's mv(1) to specify MOVEFILE_COPY_ALLOWED | MOVEFILE_REPLACE_EXISTING.
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llvm-svn: 123686
2011-01-17 22:41:25 +00:00
bb4ea1fef9
lib/Support/Windows/Signals.inc: "Showstopper" dialogs may be suppressed with SetErrorMode() on Windows 7.
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llvm-svn: 123685
2011-01-17 22:41:15 +00:00
b74799090a
Support/raw_ostream: Fix uninitalized variable in raw_fd_ostream constructor.
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llvm-svn: 123643
2011-01-17 15:53:12 +00:00
ec202ee69a
Fix rename.
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llvm-svn: 123604
2011-01-16 22:18:41 +00:00
94b2ab3556
Support/PathV2: Add identify_magic.
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llvm-svn: 123548
2011-01-15 20:39:36 +00:00
7887466adc
Support/PathV2: Implement has_magic in terms of get_magic.
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llvm-svn: 123545
2011-01-15 18:52:41 +00:00
ee1699c362
Support/PathV2: Implement get_magic.
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llvm-svn: 123544
2011-01-15 18:52:33 +00:00
d9960c69b5
Support/Path: Deprecate PathV1::IsSymlink and replace all uses with PathV2::is_symlink.
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llvm-svn: 123345
2011-01-12 23:55:06 +00:00
0d771edeee
Support/Path: Deprecate PathV1::isDirectory and replace all uses with PathV2::is_directory.
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llvm-svn: 123209
2011-01-11 01:21:55 +00:00
58df2e00b2
Support/Path: Deprecate PathV1::exists and replace all uses with PathV2::fs::exists.
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llvm-svn: 123151
2011-01-10 02:34:23 +00:00
a41d7aebee
Fixed parsing of hex floats.
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llvm-svn: 122963
2011-01-06 16:55:14 +00:00
61d6f739a8
Support/PathV2: Implement remove_all.
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llvm-svn: 122884
2011-01-05 16:39:38 +00:00
98879d7641
Support/Windows/PathV2: Make directory iteration ignore . and ..
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llvm-svn: 122883
2011-01-05 16:39:30 +00:00
153749b30b
Support/Windows/PathV2: Fix remove to handle both files and directories.
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llvm-svn: 122882
2011-01-05 16:39:22 +00:00
f8dc1868e2
Support/PathV2: Implement directory_entry::status.
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llvm-svn: 122881
2011-01-05 16:39:13 +00:00
52714863db
Support/PathV2: Implement directory iteration on POSIX.
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llvm-svn: 122879
2011-01-05 16:38:57 +00:00
110442d8a0
Fix a signed/unsigned comparison warning.
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llvm-svn: 122597
2010-12-28 13:05:13 +00:00
c581fe7e81
Support/Path: Deprecate Path::hasMagicNumber and replace all uses with fs::has_magic.
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llvm-svn: 122589
2010-12-28 01:49:21 +00:00
848f46bb84
Support/PathV2: Implement has_magic.
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llvm-svn: 122587
2010-12-28 01:49:01 +00:00
9e590024f6
Support/PathV1: Deprecate GetRootDirectory.
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llvm-svn: 122580
2010-12-27 03:21:41 +00:00
e13f1ead9b
Support/PathV1: Deprecate makeAbsolute and remove Unix impl because it annoys people.
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llvm-svn: 122553
2010-12-25 20:10:11 +00:00
9b43f33620
Change all self assignments X=X to (void)X, so that we can turn on a
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new gcc warning that complains on self-assignments and
self-initializations.
llvm-svn: 122458
2010-12-23 00:58:24 +00:00
Cameron Zwarich