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277 Commits

Author SHA1 Message Date
Jakob Stoklund Olesen
d7648ff20f Add a division operator to BlockFrequency. 
Allow a BlockFrequency to be divided by a non-zero BranchProbability
with saturating arithmetic. This will be used to compute the frequency
of a loop header given the probability of leaving the loop.

Our long division algorithm already saturates on overflow, so that was a
freebie.

git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@185184 91177308-0d34-0410-b5e6-96231b3b80d8
 2013-06-28 18:23:42 +00:00
Rafael Espindola
08ddd12e44 Add a convenience createUniqueDirectory function. 
There are a few valid situation where we care about the structure inside a
directory, but not about the directory itself. A simple example is for unit
testing directory traversal.

PathV1 had a function like this, add one to V2 and port existing users of the
created temp file and delete it hack to using it.

git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@185059 91177308-0d34-0410-b5e6-96231b3b80d8
 2013-06-27 03:45:31 +00:00
Rafael Espindola
df0f525cc4 Remove unused includes. 
llvm itself is now PathV1 clean.

git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@184947 91177308-0d34-0410-b5e6-96231b3b80d8
 2013-06-26 13:54:34 +00:00
Rafael Espindola
50188c1f42 Port GetMainExecutable over to PathV2. 
I will remove the V1 version as soon as I change clang in the next commit.

git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@184914 91177308-0d34-0410-b5e6-96231b3b80d8
 2013-06-26 05:01:35 +00:00
Benjamin Kramer
b47aceaf06 Revert "BlockFrequency: Saturate at 1 instead of 0 when multiplying a frequency with a branch probability." 
This reverts commit r184584. Breaks PPC selfhost.

git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@184590 91177308-0d34-0410-b5e6-96231b3b80d8
 2013-06-21 20:20:27 +00:00
Benjamin Kramer
93702a3b07 BlockFrequency: Saturate at 1 instead of 0 when multiplying a frequency with a branch probability. 
Zero is used by BlockFrequencyInfo as a special "don't know" value. It also
causes a sink for frequencies as you can't ever get off a zero frequency with
more multiplies.

This recovers a 10% regression on MultiSource/Benchmarks/7zip. A zero frequency
was propagated into an inner loop causing excessive spilling.

PR16402.

git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@184584 91177308-0d34-0410-b5e6-96231b3b80d8
 2013-06-21 19:30:05 +00:00
Rafael Espindola
9aa3365426 Rename fs::GetUniqueID to fs::getUniqueID to match the style guide. 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@184431 91177308-0d34-0410-b5e6-96231b3b80d8
 2013-06-20 15:06:35 +00:00
Aaron Ballman
4655485eb7 Modified the implementation of fs::GetUniqueID on Windows such that it actually finds a unique identifier for a file. Also adds unit tests for GetUniqueID. 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@184351 91177308-0d34-0410-b5e6-96231b3b80d8
 2013-06-19 21:03:50 +00:00
Rafael Espindola
675e0ac0bf Avoid using PathV1.h in Program.h. 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@183940 91177308-0d34-0410-b5e6-96231b3b80d8
 2013-06-13 20:25:38 +00:00
Rafael Espindola
9f1d9fd196 Remove the program class. 
It was only used to implement ExecuteAndWait and ExecuteNoWait. Expose just
those two functions and make Execute and Wait implementations details.

git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@183864 91177308-0d34-0410-b5e6-96231b3b80d8
 2013-06-12 20:58:35 +00:00
Rafael Espindola
a11c3e2501 Move PathV2.h to Path.h 
Most clients have already been moved from Path V1 to V2. The ones using V1
now include PathV1.h explicitly.

git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@183801 91177308-0d34-0410-b5e6-96231b3b80d8
 2013-06-11 22:21:28 +00:00
Aaron Ballman
0c79301807 sys::process::get_id() now returns the process ID instead of a process handle on Windows. Patch thanks to Kim Gräsman! 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@183621 91177308-0d34-0410-b5e6-96231b3b80d8
 2013-06-08 20:29:03 +00:00
Eric Christopher
769d24a60d Add support for adding the contents of a StringRef to the MD5 hash. 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@183054 91177308-0d34-0410-b5e6-96231b3b80d8
 2013-05-31 22:34:56 +00:00
Eric Christopher
cbb45aa123 Convert more unsigned char -> uint8_t. 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@183053 91177308-0d34-0410-b5e6-96231b3b80d8
 2013-05-31 22:34:52 +00:00
Eric Christopher
12378d4872 Add a comment and some tests including the NULL byte. 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@182900 91177308-0d34-0410-b5e6-96231b3b80d8
 2013-05-30 00:43:26 +00:00
Eric Christopher
725e3d324b Add to testsuite. 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@182693 91177308-0d34-0410-b5e6-96231b3b80d8
 2013-05-24 23:20:16 +00:00
Eric Christopher
f7306f224e ArrayRef-ize MD5 and clean up a few variable names. 
Add a stringize method to make dumping a bit easier, and add a testcase
exercising a few different paths.

git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@182692 91177308-0d34-0410-b5e6-96231b3b80d8
 2013-05-24 23:08:17 +00:00
Michael J. Spencer
3b77151a61 [Support] Remove Count{Leading,Trailing}Zeros_{32,64}. 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@182690 91177308-0d34-0410-b5e6-96231b3b80d8
 2013-05-24 22:58:37 +00:00
Michael J. Spencer
54c7482388 [Support][MathExtras] Fix literal type issues. 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@182679 91177308-0d34-0410-b5e6-96231b3b80d8
 2013-05-24 22:19:05 +00:00
Michael J. Spencer
36fe3f2b56 [Support] Add type generic bit utilities to MathExtras.h 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@182667 91177308-0d34-0410-b5e6-96231b3b80d8
 2013-05-24 20:29:47 +00:00
Duncan Sands
8305acb200 Get the unittests compiling when building with cmake and the setting 
-DLLVM_ENABLE_THREADS=false.


git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@181788 91177308-0d34-0410-b5e6-96231b3b80d8
 2013-05-14 13:29:16 +00:00
Andrew Trick
61e0172197 Implemented public interface for modifying registered (not positional or sink options) command line options at runtime. 
Patch by Dan Liew!

git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@181254 91177308-0d34-0410-b5e6-96231b3b80d8
 2013-05-06 21:56:35 +00:00
Andrew Trick
b7ad33b719 Support command line option categories. 
Patch by Dan Liew!

git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@181253 91177308-0d34-0410-b5e6-96231b3b80d8
 2013-05-06 21:56:23 +00:00
Reid Kleckner
2a83943855 Try to fix ProgramTest on FreeBSD 
This seemed like the cleanest way to find the test executable.  Also fix
the file mode.

git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@180770 91177308-0d34-0410-b5e6-96231b3b80d8
 2013-04-30 04:30:41 +00:00
Reid Kleckner
268adf2a03 Don't forward declare environ on Windows 
That seems to interact poorly with the environ and _environ macros
defined in MSVC's <stdlib.h>.

Also remove the incorrect comment about _NSGetEnviron().

git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@180200 91177308-0d34-0410-b5e6-96231b3b80d8
 2013-04-24 17:50:30 +00:00
Reid Kleckner
8eca677afe Un-revert the environ copy in ProgramTest after fixing it on OS X 
This was r180041 and r180046, which was reverted in r180066.
Re-committing this should fix the dragonegg bootstrap, which I presume
needs LD_LIBRARY_PATH to be propagated to the child.

Tested on Linux, Windows, and Mac OS 10.6.

git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@180099 91177308-0d34-0410-b5e6-96231b3b80d8
 2013-04-23 13:15:51 +00:00
Alexey Samsonov
a0bd5df086 Add more guards around zlib-dependent code 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@180084 91177308-0d34-0410-b5e6-96231b3b80d8
 2013-04-23 08:57:30 +00:00
Alexey Samsonov
ee03c949b8 Add basic zlib support to LLVM. This would allow to use compression/uncompression in selected LLVM tools. 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@180083 91177308-0d34-0410-b5e6-96231b3b80d8
 2013-04-23 08:28:39 +00:00
Michael Gottesman
2c8dc64357 Revert "Add a missing reference on a std::vector<> out param" 
Revert "[Support] Propagate the environment into the test child process"

This reverts commit r180046.
This reverts commit r180041.

These have broken buildbots for ~3 hours:

http://lab.llvm.org:8013/builders/clang-x86_64-darwin11-nobootstrap-RAincremental/builds/763

git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@180066 91177308-0d34-0410-b5e6-96231b3b80d8
 2013-04-22 22:51:55 +00:00
Reid Kleckner
0af5493701 Add a missing reference on a std::vector<> out param 
Pointed out by Eli.  The test passes for me either way, so I missed
this.

git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@180046 91177308-0d34-0410-b5e6-96231b3b80d8
 2013-04-22 20:58:09 +00:00
Reid Kleckner
6641fa7c6c [Support] Propagate the environment into the test child process 
Should fix the dragonegg bootstrap builder, which reasonably needs
LD_LIBRARY_PATH to be set.

git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@180041 91177308-0d34-0410-b5e6-96231b3b80d8
 2013-04-22 20:23:41 +00:00
Reid Kleckner
0b675d8830 [Support] Fix argv string escape bug on Windows 
Summary:
This is http://llvm.org/PR15802.  Backslashes preceding double quotes in
arguments must be escaped.  The interesting bit is that all other
backslashes should *not* be escaped, because the un-escaping logic is
only triggered by the presence of a double quote character.

Reviewers: Bigcheese

CC: llvm-commits

Differential Revision: http://llvm-reviews.chandlerc.com/D705

git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@180035 91177308-0d34-0410-b5e6-96231b3b80d8
 2013-04-22 19:03:55 +00:00
Michael J. Spencer
c0a74e28cf [Support][FileSystem] Fix identify_magic for big endian ELF. 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@178905 91177308-0d34-0410-b5e6-96231b3b80d8
 2013-04-05 20:10:04 +00:00
Evgeniy Stepanov
d6d0ebbed7 Disable Initialize.MultipleThreads test under MemorySanitizer. 
Fails due to insufficient thread stack.


git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@178135 91177308-0d34-0410-b5e6-96231b3b80d8
 2013-03-27 12:50:49 +00:00
Aaron Ballman
551152f7d8 Test case for graceful handling of long file names on Windows. Patch thanks to Paul Robinson! 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@177223 91177308-0d34-0410-b5e6-96231b3b80d8
 2013-03-16 15:00:51 +00:00
Michael J. Spencer
d483d2813c [Support][Test] Missed this in the API change. 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@176996 91177308-0d34-0410-b5e6-96231b3b80d8
 2013-03-14 00:33:37 +00:00
Michael J. Spencer
9b4886ee55 [Support][ErrorOr] Add support for implicit conversion from error code/condition enums. 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@176228 91177308-0d34-0410-b5e6-96231b3b80d8
 2013-02-28 01:44:26 +00:00
Michael J. Spencer
780e9004c8 [Support][ErrorOr] Add support for convertable types. 
Thanks to Andrew, David, and Aaron for helping fix this.

git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@174552 91177308-0d34-0410-b5e6-96231b3b80d8
 2013-02-06 22:28:53 +00:00
Andrew Trick
2a78bb961a Revert "[Support][ErrorOr] Add support for convertable types." 
This reverts commit a33e1fafac.

This unit test crashes on Darwon. It needs to be temporarily reverted
to unblock the test infrastructure.

git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@174458 91177308-0d34-0410-b5e6-96231b3b80d8
 2013-02-05 22:50:20 +00:00
Michael J. Spencer
a33e1fafac [Support][ErrorOr] Add support for convertable types. 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@174357 91177308-0d34-0410-b5e6-96231b3b80d8
 2013-02-05 08:22:27 +00:00
NAKAMURA Takumi
41d35a335e unittests/SupportTests/Initialize.MultipleThreads: Enable pthread_attr_setstack(3) only on Linux. 
I got blamed on darwin11;
unittests/Support/ManagedStatic.cpp:35: error: 'pthread_attr_setstack' was not declared in this scope

git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@173355 91177308-0d34-0410-b5e6-96231b3b80d8
 2013-01-24 15:29:27 +00:00
NAKAMURA Takumi
91e22b0dd3 unittests/SupportTests/Initialize.MultipleThreads: Appease --vg-leak to allocate stack explicitly for glibc. 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@173350 91177308-0d34-0410-b5e6-96231b3b80d8
 2013-01-24 14:44:02 +00:00
Michael J. Spencer
bdd4e13118 [Support][ErrorOr] Add optimized specialization of ErrorOr<void>. 
ErrorOr<void> represents an operation that returns nothing, but can still fail.
It should be used in cases where you need the aditional user data that ErrorOr
provides over error_code.

git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@173209 91177308-0d34-0410-b5e6-96231b3b80d8
 2013-01-23 00:18:31 +00:00
NAKAMURA Takumi
93d61374f3 ErrorOrTest.cpp: Check existence of EXPECT_DEBUG_DEATH. It is not always available. 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@173123 91177308-0d34-0410-b5e6-96231b3b80d8
 2013-01-22 04:02:41 +00:00
Michael J. Spencer
7babd25ae4 [Support] Make test C++03. 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@173004 91177308-0d34-0410-b5e6-96231b3b80d8
 2013-01-21 05:39:07 +00:00
Benjamin Kramer
c052d5b047 Disable test that fails due to lack of std::true_type in C++03. 
Michael, can this test be ported to C++03?

git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@172996 91177308-0d34-0410-b5e6-96231b3b80d8
 2013-01-20 21:52:27 +00:00
Michael J. Spencer
01812bebcc [Support] Port ErrorOr<T> from lld to C++03. 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@172991 91177308-0d34-0410-b5e6-96231b3b80d8
 2013-01-20 20:32:30 +00:00
Dmitri Gribenko
f6b6c37ca2 Replace memcpys by a static_cast and an integral promotion. 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@172108 91177308-0d34-0410-b5e6-96231b3b80d8
 2013-01-10 21:21:32 +00:00
Dmitri Gribenko
197616adda Fix coding style 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@172107 91177308-0d34-0410-b5e6-96231b3b80d8
 2013-01-10 21:10:44 +00:00
Jakub Staszak
ff5ed5e2b4 Unbreak tests after regression from r172081. 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@172105 91177308-0d34-0410-b5e6-96231b3b80d8
 2013-01-10 21:02:05 +00:00