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426 Commits

Author SHA1 Message Date
Rafael Espindola
9f526bcf4d First step in fixing PR8927: 
Add a unnamed_addr bit to global variables and functions. This will be used
to indicate that the address is not significant and therefore the constant
or function can be merged with others.

If an optimization pass can show that an address is not used, it can set this.

Examples of things that can have this set by the FE are globals created to
hold string literals and C++ constructors.

Adding unnamed_addr to a non-const global should have no effect unless
an optimization can transform that global into a constant.

Aliases are not allowed to have unnamed_addr since I couldn't figure
out any use for it.

llvm-svn: 123063
 2011-01-08 16:42:36 +00:00
Jay Foad
225d525e88 Remove the "ugly" method BranchInst::setUnconditionalDest(). 
llvm-svn: 123026
 2011-01-07 20:26:51 +00:00
Michael J. Spencer
223074e281 UnitTests/Path: Add magical tests. This will also test identify_magic. 
llvm-svn: 122948
 2011-01-06 05:58:02 +00:00
Michael J. Spencer
2b6edb1efa UnitTests/Path: More ASSERT_NO_ERROR cleanup. 
llvm-svn: 122947
 2011-01-06 05:57:54 +00:00
Michael J. Spencer
965b6c0d1e UnitTests/Path: Fix typo, add error number, and enable the directory cleanup code. 
llvm-svn: 122885
 2011-01-05 16:39:46 +00:00
Michael J. Spencer
0506a5377e UnitTests/PathV2: Setup a test fixture to make tracking created file system 
entities easier.

llvm-svn: 122880
 2011-01-05 16:39:05 +00:00
Michael J. Spencer
e369cc8053 Support/PathV2: Implement directory iteration on POSIX. 
llvm-svn: 122879
 2011-01-05 16:38:57 +00:00
Michael J. Spencer
b5b192853b UnitTests/Path: Produce useful diagnostics on error. 
llvm-svn: 122812
 2011-01-04 17:00:18 +00:00
Chris Lattner
2f774c1246 fix PR8867: a crash handling fp128. Thanks to Nick for the testcase. 
llvm-svn: 122613
 2010-12-29 01:33:36 +00:00
Jeffrey Yasskin
a199652a3e Change all self assignments X=X to (void)X, so that we can turn on a 
new gcc warning that complains on self-assignments and
self-initializations.

llvm-svn: 122458
 2010-12-23 00:58:24 +00:00
Jakob Stoklund Olesen
26b4e8ec0a Add ADT/IntEqClasses.h as a light-weight implementation of EquivalenceClasses.h. 
This implementation already exists as ConnectedVNInfoEqClasses in
LiveInterval.cpp, and it seems to be generally useful to have a light-weight way
of forming equivalence classes of small integers.

IntEqClasses doesn't allow enumeration of the elements in a class.

llvm-svn: 122293
 2010-12-21 00:04:46 +00:00
Jakob Stoklund Olesen
64c013d79d Add more checks to IntervalMapOverlaps::advance() to ensure that advanceTo sees 
monotonic keys.

llvm-svn: 122093
 2010-12-17 22:07:54 +00:00
Jakob Stoklund Olesen
f17722908c It is allowed to call IntervalMap::const_iterator::advanceTo() with a key that 
moves the iterator to end(), and it is valid to call it on end().

That means it is valid to call advanceTo() with any monotonic key sequence.

llvm-svn: 122092
 2010-12-17 22:07:51 +00:00
Jakob Stoklund Olesen
aec6ae67a1 Fix crash when IntervalMapOverlaps::advanceTo moves past the last overlap. 
llvm-svn: 122081
 2010-12-17 19:18:38 +00:00
Jakob Stoklund Olesen
c63484e962 Complete tests for IntervalMapOverlaps. 
llvm-svn: 122019
 2010-12-17 01:31:49 +00:00
Jakob Stoklund Olesen
9681be67c5 Add basic test exposing many bugs. 
llvm-svn: 121995
 2010-12-16 19:46:09 +00:00
Michael J. Spencer
7979bb402f Support/PathV2: Change most functions in the path namespace to return their work 
via their return value instead of an out parameter.

llvm-svn: 121149
 2010-12-07 17:04:04 +00:00
Frits van Bommel
78efe72880 CMake: Fix warning in gtest header used by unit tests. 
llvm-svn: 121127
 2010-12-07 10:22:07 +00:00
Jay Foad
79e18ed269 PR5207: Change APInt methods trunc(), sext(), zext(), sextOrTrunc() and 
zextOrTrunc(), and APSInt methods extend(), extOrTrunc() and new method
trunc(), to be const and to return a new value instead of modifying the
object in place.

llvm-svn: 121120
 2010-12-07 08:25:19 +00:00
NAKAMURA Takumi
e9ad42c89e unittests/CMakeLists.txt: Tweak unittests' layout to be identical to GNU build. 
llvm-svn: 121117
 2010-12-07 07:41:23 +00:00
Michael J. Spencer
a96fe51fa6 Support/PathV2: Remove the error_code return type from all functions in the path 
namespace. None of them return anything except for success anyway. These will be
converted to returning their result soon.

llvm-svn: 121109
 2010-12-07 03:57:37 +00:00
Michael J. Spencer
7c3efd63d4 Support/PathV2: Move make_absolute from path to fs. 
llvm-svn: 121108
 2010-12-07 03:57:17 +00:00
Michael J. Spencer
244b426701 Support/FileSystem: Add directory_iterator implementation. 
llvm-svn: 120989
 2010-12-06 04:28:42 +00:00
Michael J. Spencer
e541b5fa8c Unittests/Support/PathV2: Add FileSystem tests. 
llvm-svn: 120888
 2010-12-04 03:18:42 +00:00
Jakob Stoklund Olesen
4cd667151d Add IntervalMap::iterator::set{Start,Stop,Value} methods that allow limited 
editing of the current interval.

These methods may cause coalescing, there are corresponding set*Unchecked
methods for editing without coalescing. The non-coalescing methods are useful
for applying monotonic transforms to all keys or values in a map without
accidentally coalescing transformed and untransformed intervals.

llvm-svn: 120829
 2010-12-03 19:02:00 +00:00
Michael J. Spencer
1d9a2b7541 Support/FileSystem: Add remove implementation. 
llvm-svn: 120817
 2010-12-03 17:53:43 +00:00
Benjamin Kramer
0ae5320f11 unittests/Support/PathV2: remove(3) requires a terminated string. 
llvm-svn: 120803
 2010-12-03 12:33:32 +00:00
Michael J. Spencer
1d892d362b Unittests/Support/PathV2: Cleanup and remove output. 
llvm-svn: 120785
 2010-12-03 02:22:34 +00:00
Michael J. Spencer
1c7dd63ba8 unittests/Support/PathV2: Comment out test because some systems are saying that 
a file exists when it shouldn't.

llvm-svn: 120784
 2010-12-03 02:10:30 +00:00
Michael J. Spencer
4e1623c715 Support/FileSystem: Add unique_file and exists implementations. 
llvm-svn: 120776
 2010-12-03 01:21:28 +00:00
Michael J. Spencer
39b77a6a11 Make valgrind happy. 
llvm-svn: 120616
 2010-12-01 22:28:42 +00:00
Michael J. Spencer
03bbd0f21d Support/ADT/Twine: Add toNullTerminatedStringRef. 
llvm-svn: 120600
 2010-12-01 20:37:30 +00:00
Michael J. Spencer
fe9094d522 unittests/Support/PathV2: Fix -pedantic warning. 
llvm-svn: 120590
 2010-12-01 19:23:49 +00:00
Jay Foad
789e8ac4f7 PR5207: Rename overloaded APInt methods set(), clear(), flip() to 
setAllBits(), setBit(unsigned), etc.

llvm-svn: 120564
 2010-12-01 08:53:58 +00:00
Michael J. Spencer
1796028f41 Support/PathV2: Add is_{absolute,relative} implementation. 
llvm-svn: 120560
 2010-12-01 06:21:53 +00:00
Michael J. Spencer
5aa4703418 Support/PathV2: Add has_{root_path,root_name,root_directory,parent_path,filename,stem,extension} implementation. 
llvm-svn: 120559
 2010-12-01 06:03:50 +00:00
Michael J. Spencer
8d7acc7159 unittests/Support/PathV2: Make tests much shorter; although harder to understand. 
I'm going to replace this all anyway with a proper table and separated tests
when done.

llvm-svn: 120558
 2010-12-01 06:03:33 +00:00
Michael J. Spencer
f6333e887f Support/PathV2: Add extension implementation. 
llvm-svn: 120550
 2010-12-01 03:37:41 +00:00
Michael J. Spencer
14039e9883 Support/PathV2: Add stem implementation. 
llvm-svn: 120547
 2010-12-01 03:18:33 +00:00
Michael J. Spencer
c3aaf36678 Support/PathV2: Add filename implementation. 
llvm-svn: 120546
 2010-12-01 03:18:17 +00:00
Michael J. Spencer
4beee08409 Support/PathV2: Add native implementation. 
llvm-svn: 120539
 2010-12-01 02:48:27 +00:00
Michael J. Spencer
8d5c96c575 Support/PathV2: Add replace_extension implementation. 
llvm-svn: 120514
 2010-12-01 00:52:55 +00:00
Michael J. Spencer
5ac386d311 Support/PathV2: Add remove_filename implementation. 
llvm-svn: 120513
 2010-12-01 00:52:28 +00:00
Michael J. Spencer
a10e76dd58 Support/PathV2: Implement reverse iteration and parent_path. 
llvm-svn: 120496
 2010-11-30 23:28:07 +00:00
Michael J. Spencer
b285e634a8 Support/PathV2: Fix 80 col. 
llvm-svn: 120349
 2010-11-29 23:35:49 +00:00
Michael J. Spencer
88e48a78d5 unittests: Merge SystemTests back into SupportTests. 
llvm-svn: 120330
 2010-11-29 22:29:04 +00:00
Michael J. Spencer
8ac563a538 Support: Add PathV2 implementation. 
llvm-svn: 120329
 2010-11-29 22:28:51 +00:00
Michael J. Spencer
d5ec932c3a Merge System into Support. 
llvm-svn: 120298
 2010-11-29 18:16:10 +00:00
Jakob Stoklund Olesen
36f332e23a Disallow overlapping inserts, even when inserting the same value. 
We always disallowed overlapping inserts with different values, and this makes
the insertion code smaller and faster.

If an overwriting insert is needed, it can be added as a separate method that
trims any existing intervals before inserting. The immediate use cases for
IntervalMap don't need this - they only use disjoint insertions.

llvm-svn: 120264
 2010-11-28 22:17:11 +00:00
Jakob Stoklund Olesen
40f22dea6e Add default constructors for iterators. 
These iterators don't point anywhere, and they can't be compared to anything.
They are only good for assigning to.

llvm-svn: 120239
 2010-11-28 07:21:48 +00:00