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1729 Commits

Author SHA1 Message Date
Richard Smith
d647537b9c Correctly byte-swap APInts with bit-widths greater than 64. 
llvm-svn: 145111
 2011-11-23 21:33:37 +00:00
Benjamin Kramer
7120c3ef01 Add configure checking for pread(2) and use it to save a syscall when reading files. 
llvm-svn: 145061
 2011-11-22 12:31:53 +00:00
Benjamin Kramer
de9c504d6b Turn error recovery into an assert. 
This was put in because in a certain version of DragonFlyBSD stat(2) lied about the
size of some files. This was fixed a long time ago so we can remove the workaround.

llvm-svn: 145059
 2011-11-22 11:37:11 +00:00
Nick Lewycky
3858fb95b7 Move WEAK marking to the declaration. 
llvm-svn: 144603
 2011-11-15 01:23:22 +00:00
Nick Lewycky
a68ade6ccc Fix linking for some users who already have tsan enabled code and are trying to 
link it against llvm code, by making our definitions weak. "Some users."

llvm-svn: 144596
 2011-11-15 00:14:04 +00:00
Nick Lewycky
53185e9016 Add support for tsan annotations (thread sanitizer, a valgrind-based tool). 
These annotations are disabled entirely when either ENABLE_THREADS is off, or
building a release build. When enabled, they add calls to functions with no
statements to ManagedStatic's getters.

Use these annotations to inform tsan that the race used inside ManagedStatic
initialization is actually benign. Thanks to Kostya Serebryany for helping
write this patch!

llvm-svn: 144567
 2011-11-14 20:50:16 +00:00
Benjamin Kramer
a47a6fc91b Fix a typo. 
llvm-svn: 143890
 2011-11-06 20:36:50 +00:00
Daniel Dunbar
7b66487335 ADT/StringRef: Add ::lower() and ::upper() methods. 
llvm-svn: 143880
 2011-11-06 18:04:43 +00:00
Peter Collingbourne
6ec231f82f Return only the least significant 8 bits of the exit status from 
Process::Wait on Windows (mimicing POSIX behaviour).

llvm-svn: 143876
 2011-11-06 16:45:46 +00:00
Benjamin Kramer
3c2ba1a51a Add more PRI.64 macros for MSVC and use them throughout the codebase. 
llvm-svn: 143799
 2011-11-05 08:57:40 +00:00
Daniel Dunbar
3760ebeebb build: Add initial cut at LLVMBuild.txt files. 
llvm-svn: 143634
 2011-11-03 18:53:17 +00:00
Sebastian Pop
f72a853709 rename getHostTriple into getDefaultTargetTriple 
llvm-svn: 143502
 2011-11-01 21:32:20 +00:00
Sebastian Pop
69b2b86143 rename LLVM_HOSTTRIPLE into LLVM_DEFAULT_TARGET_TRIPLE 
llvm-svn: 143501
 2011-11-01 21:31:44 +00:00
Eli Friedman
62794425dd Remove a couple unused methods. PR11201. 
llvm-svn: 143452
 2011-11-01 05:11:01 +00:00
Dan Gohman
892b86e74c Remove the Alpha backend. 
llvm-svn: 143164
 2011-10-27 22:56:32 +00:00
Benjamin Kramer
ad2fb4eeb5 BlockFrequency: Use a smarter overflow check. 
This trades one 64 bit div for one 64 bit mul and some arithmetic.

llvm-svn: 143106
 2011-10-27 16:38:50 +00:00
Dan Gohman
77125e4240 Remove the Blackfin backend. 
llvm-svn: 142880
 2011-10-25 00:05:42 +00:00
Dan Gohman
b54d296fd4 Remove the SystemZ backend. 
llvm-svn: 142878
 2011-10-24 23:48:32 +00:00
NAKAMURA Takumi
679aa96408 Windows/Path.inc: [PR8460] Get rid of ScopedNullTerminator. Thanks to Zvi Rackover! 
llvm-svn: 142785
 2011-10-24 03:27:19 +00:00
Benjamin Kramer
fd11994070 Print branch probabilities as percentages. 
50% is much more readable than 5.000000e-01.

llvm-svn: 142752
 2011-10-23 11:32:54 +00:00
Benjamin Kramer
9adc582e35 Add compare operators to BranchProbability and use it to determine if an edge is hot. 
llvm-svn: 142751
 2011-10-23 11:19:14 +00:00
Anton Korobeynikov
e91e40b137 Fix build on mingw-w64. 
Patch by Ruben Van Boxem!

llvm-svn: 142646
 2011-10-21 09:38:50 +00:00
David Meyer
fd278b1f98 Remove unused include of sys/uio.h in MemoryBuffer.cpp. It was not correctly protected by ifdef either. 
llvm-svn: 142623
 2011-10-20 21:57:46 +00:00
Benjamin Kramer
524eb5859f Fix handling of the From parameter in StringRef::find. 
Enable bounds checking to catch this kind of bug earlier.

llvm-svn: 142247
 2011-10-17 20:49:40 +00:00
Benjamin Kramer
6009b2df99 Let printf do the formatting instead aligning strings ourselves. 
While at it, merge some format strings.

llvm-svn: 142140
 2011-10-16 16:30:34 +00:00
Chris Lattner
0ab0d49640 remove the dead 'ShowLine' argument from SMDiagnostic. 
llvm-svn: 142108
 2011-10-16 05:47:55 +00:00
Chris Lattner
391d90c9a6 Make SMDiagnostic a little more sane. Instead of passing around note/warning/error as a 
string, pass it around as an enum.

llvm-svn: 142107
 2011-10-16 05:43:57 +00:00
Chris Lattner
321335142c Enhance llvm::SourceMgr to support diagnostic ranges, the same way clang does. Enhance 
the X86 asmparser to produce ranges in the one case that was annoying me, for example:

test.s:10:15: error: invalid operand for instruction
movl 0(%rax), 0(%edx)
              ^~~~~~~

It should be straight-forward to enhance filecheck, tblgen, and/or the .ll parser to use 
ranges where appropriate if someone is interested.

llvm-svn: 142106
 2011-10-16 04:47:35 +00:00
Benjamin Kramer
0c20486517 Add a bad char heuristic to StringRef::find. 
Based on Horspool's simplified version of Boyer-Moore. We use a constant-sized table of
uint8_ts to keep cache thrashing low, needles bigger than 255 bytes are uncommon anyways.

The worst case is still O(n*m) but we do a lot better on the average case now.

llvm-svn: 142061
 2011-10-15 10:08:31 +00:00
NAKAMURA Takumi
f7ee2603c2 Revert r142046, "Fix for llvm::sys::getHostTriple on Windows. Instead of relying on the triple" 
It extremely breaks builds when optimization is enabled. Twine should not hold temporary objects.

By the way, I might feel sad if I saw "i786-" "i1586-" or "iF86-".

llvm-svn: 142055
 2011-10-15 04:29:36 +00:00
Chad Rosier
6e6dd4880b Fix for llvm::sys::getHostTriple on Windows. Instead of relying on the triple 
from config.h, it discovers the triple based on the execution environment.

Patch by Aaron Ballman <aaron@aaronballman.com>

llvm-svn: 142046
 2011-10-15 02:10:06 +00:00
NAKAMURA Takumi
88ad0d5a50 Windows/Memory.inc: Support the ability to allocate memory "near" another block of memory on Win32. It has fixed FIXME. 
Thanks to Aaron Ballman!

llvm-svn: 142039
 2011-10-15 01:58:16 +00:00
Michael J. Spencer
5cbe7170de Support/Windows: Add support modifying memory permissions on Windows. Patch by Aaron Ballman! 
llvm-svn: 141910
 2011-10-13 23:16:01 +00:00
Michael J. Spencer
1c388c42ea Support/Windows: Add efficent RW mutex on Windows. Patch by Aaron Ballman! 
llvm-svn: 141907
 2011-10-13 23:10:56 +00:00
Eli Friedman
a1d8196452 Avoid undefined behavior in signed integer negation. Patch by Ahmed Charles. 
llvm-svn: 141905
 2011-10-13 22:49:56 +00:00
Eli Friedman
d9ebbc6cf5 Fix APFloat::getSmallestNormalized so the shift doesn't depend on undefined behavior. Patch from Ahmed Charles. 
llvm-svn: 141818
 2011-10-12 21:56:19 +00:00
Eli Friedman
cda27f4c18 Fix APFloat::getLargest so that it actually returns the correct value. Found by accident while reviewing a patch to nearby code. 
llvm-svn: 141816
 2011-10-12 21:51:36 +00:00
Daniel Dunbar
48c24625fe Clean up a few references to System/. We still have docs/SystemLibrary.html 
lying around...

llvm-svn: 141703
 2011-10-11 20:02:52 +00:00
Bruno Cardoso Lopes
fa8f5fb2cf The Mips specific function for instruction cache invalidation cannot be 
compiled on mips32r1 processors because it uses synci and rdhwr instructions
which are supported only on mips32r2, so I replaced this function with the
call to function cacheflush which works for both mips32r1 and mips32r2.
Patch by Sasa Stankovic

llvm-svn: 141564
 2011-10-10 18:41:02 +00:00
Eli Friedman
433785c651 Fix APInt::operator*= so that it computes the correct result for large integers where there is unsigned overflow. Fix APFloat::toString so that it doesn't depend on the incorrect behavior in common cases (and computes the correct result in some rare cases). Fixes PR11086. 
llvm-svn: 141441
 2011-10-07 23:40:49 +00:00
Eric Christopher
29ebd25c99 Add more initializers to quiet a clang warning. 
llvm-svn: 141163
 2011-10-05 05:00:26 +00:00
Nick Lewycky
e394c128ac Fix typo in comments. 
llvm-svn: 141032
 2011-10-03 21:30:08 +00:00
Michael J. Spencer
2a1d60faf5 Add Windows x64 stack walking support. Patch by Aaron Ballman! 
llvm-svn: 140906
 2011-10-01 00:05:20 +00:00
Jakob Stoklund Olesen
783b18e818 Fix a bug in compare_numeric(). 
Thanks to Alexandru Dura and Jonas Paulsson for finding it.

llvm-svn: 140859
 2011-09-30 17:03:55 +00:00
Chad Rosier
e9cf87d911 These symbols appear to be visible by SearchForAddressOfSymbol and no longer 
require special case handling.
rdar://10117377

llvm-svn: 140629
 2011-09-27 20:01:41 +00:00
Daniel Dunbar
599366dcae sys::Process: Add a SetWorkingDirectory method. 
llvm-svn: 140433
 2011-09-23 23:23:36 +00:00
Richard Trieu
a675de9fac Change: 
assert(!"error message");

To:

  assert(0 && "error message");

which is more consistant across the code base.

llvm-svn: 140234
 2011-09-21 03:09:09 +00:00
Bob Wilson
817b059c93 Remove the hack to check UNAME_RELEASE when identifying the Darwin version. 
This was only needed to locate llvm-gcc's installation directory when clang
falls back to run llvm-gcc for i386 kexts.  As of clang svn r140187, we're
now just searching paths with several different Darwin versions on either
side of the current version, so this is no longer needed.

llvm-svn: 140188
 2011-09-20 22:05:56 +00:00
Douglas Gregor
0b34adbbaf U is good enough 
llvm-svn: 140166
 2011-09-20 18:33:29 +00:00
Douglas Gregor
669f1d1953 Eliminate sign-comparison warnings in APInt 
llvm-svn: 140158
 2011-09-20 18:11:52 +00:00