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1486 Commits

Author SHA1 Message Date
Michael J. Spencer
5a2272dcef Support/FileSystem: Add status implementation. 
llvm-svn: 120870
 2010-12-04 00:32:40 +00:00
Michael J. Spencer
090a4bd632 Support/Windows/FileSystem: Fix MinGW warnings. 
llvm-svn: 120868
 2010-12-04 00:32:14 +00:00
Michael J. Spencer
e1360680ce Support/FileSystem: Add file_size implementation. 
llvm-svn: 120867
 2010-12-04 00:31:48 +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
6cf89ea23a Support/FileSystem: Add equivalent implementation. 
llvm-svn: 120827
 2010-12-03 18:49:13 +00:00
Michael J. Spencer
ce950c50c4 Support/FileSystem: Fix MinGW build. It doesn't have _chsize_s. 
llvm-svn: 120826
 2010-12-03 18:48:56 +00:00
Michael J. Spencer
60c2f39a49 And I really hate line endings. 
llvm-svn: 120821
 2010-12-03 18:04:11 +00:00
Michael J. Spencer
94cf759d48 Support/Windows/FileSystem: Fix MinGW build. 
llvm-svn: 120820
 2010-12-03 18:03:28 +00:00
Michael J. Spencer
a0346605ae Support/FileSystem: Add resize_file implementation. 
llvm-svn: 120819
 2010-12-03 17:54:07 +00:00
Michael J. Spencer
ba3176e790 Support/FileSystem: Add rename implementation. 
llvm-svn: 120818
 2010-12-03 17:53:55 +00:00
Michael J. Spencer
1d9a2b7541 Support/FileSystem: Add remove implementation. 
llvm-svn: 120817
 2010-12-03 17:53:43 +00:00
Michael J. Spencer
8c7c12a74e Fix line endings. 
llvm-svn: 120816
 2010-12-03 17:53:23 +00:00
Eric Christopher
25f7b89a9e Apparently OS X 10.4 doesn't have __crashreporter_info__. 
Try to fix building on the wayback machine.

llvm-svn: 120801
 2010-12-03 07:45:22 +00:00
Michael J. Spencer
98d9d1509e Support/FileSystem: Add create_symlink implementation. 
llvm-svn: 120800
 2010-12-03 07:41:25 +00:00
Michael J. Spencer
efc69d250d Support/FileSystem: Add create_hard_link implementation. 
llvm-svn: 120792
 2010-12-03 05:58:41 +00:00
Michael J. Spencer
5328e94513 Support/ADT/Twine: Make toNullTerminatedStringRef not rely on UB :(. 
llvm-svn: 120791
 2010-12-03 05:42:25 +00:00
Michael J. Spencer
96236c93ff Support/FileSystem: Add create_director{y,ies} implementations. 
llvm-svn: 120790
 2010-12-03 05:42:11 +00:00
Michael J. Spencer
d9f355beb0 Support/Windows/FileSystem: Remove unneeded toNullTerminatedStringRef. 
llvm-svn: 120777
 2010-12-03 01:21:38 +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
8908ec62e4 Support/FileSystem: Fix copy_file implementation to use toNullTerminatedStringRef 
instead of toStringRef. The file system APIs need c strings.

llvm-svn: 120601
 2010-12-01 20:37:42 +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
42a5674c7a Support/FileSystem: Add copy_file implementation. Not tests yet because the 
file creation APIs aren't implemented.

llvm-svn: 120593
 2010-12-01 19:32:01 +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
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
Dan Gohman
3ff3bc0c31 Delete Path::appendSuffix's return value; it wasn't used anywhere, which 
is fine since isn't really necessary to check isValid there anyway.

llvm-svn: 120538
 2010-12-01 02:46:41 +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
090cf77d32 Support/ADT/StringRef: Add find_last_of. 
llvm-svn: 120495
 2010-11-30 23:27:35 +00:00
Jay Foad
c663d7e4f6 PR5207: Make APInt::set(), APInt::clear() and APInt::flip() return void. 
llvm-svn: 120413
 2010-11-30 09:02:01 +00:00
Michael J. Spencer
8ac563a538 Support: Add PathV2 implementation. 
llvm-svn: 120329
 2010-11-29 22:28:51 +00:00
Charles Davis
e7f14dfdb8 Now to chant the magical incantation that will exorcise the System library 
from LLVM forever:

grep -lR "llvm/System" * | grep -v .svn | xargs sed -ie 's#llvm/System#llvm/Support#g'

llvm-svn: 120314
 2010-11-29 19:44:50 +00:00
Michael J. Spencer
0d9e3b3a88 Missed a spot. 
llvm-svn: 120301
 2010-11-29 18:29:55 +00:00
Michael J. Spencer
d5ec932c3a Merge System into Support. 
llvm-svn: 120298
 2010-11-29 18:16:10 +00:00
Jay Foad
7378352505 PR5207: change APInt::doubleToBits() and APInt::floatToBits() to be 
static methods that return a new APInt.

llvm-svn: 120261
 2010-11-28 21:04:48 +00:00
Benjamin Kramer
3355314332 Remove PIC16 remnants. 
llvm-svn: 120223
 2010-11-27 18:20:30 +00:00
Daniel Dunbar
56381d8cc7 raw_ostream::write_escaped: Add a UseHexEscapes argument. 
llvm-svn: 120200
 2010-11-27 07:59:50 +00:00
Michael J. Spencer
b2cfb3b443 Fix Whitespace. 
llvm-svn: 120166
 2010-11-26 04:16:08 +00:00
Jakob Stoklund Olesen
ac19a35444 Move tree navigation to a new Path class that doesn't have to be a template. 
The path also holds a reference to the root node, and that allows important
iterator accessors like start() and stop() to have no conditional code. (When
the compiler is clever enough to remove it.)

llvm-svn: 120165
 2010-11-26 01:39:40 +00:00
Chris Lattner
80a065b474 add a MemoryBuffer::getOpenFile method, which turns an open 
file descriptor into a MemoryBuffer (and closes the FD).

llvm-svn: 120065
 2010-11-23 22:20:27 +00:00
Chris Lattner
a830fc6a45 Revert functionality doug added in r98575 that was never 
documented and only used by some clang stuff I just removed.

llvm-svn: 120002
 2010-11-23 06:09:51 +00:00
Rafael Espindola
68135a728b Fix a use after free. Patch by Frits van Bommel. 
llvm-svn: 119842
 2010-11-19 21:14:29 +00:00
Jakob Stoklund Olesen
52d6dd3079 Add ADT/IntervalMap. 
This is a sorted interval map data structure for small keys and values with
automatic coalescing and bidirectional iteration over coalesced intervals.

Except for coalescing intervals, it provides similar functionality to std::map.
It is however much more compact for small keys and values, and hopefully faster
too.

The container object itself can hold the first few intervals without any
allocations, then it switches to a cache conscious B+-tree representation. A
recycling allocator can be shared between many containers, even between
containers holding different types.

The IntervalMap is initially intended to be used with SlotIndex intervals for:

- Backing store for LiveIntervalUnion that is smaller and faster than std::set.

- Backing store for LiveInterval with less overhead than std::vector for typical
  intervals and O(N log N) merging of large intervals. 99% of virtual registers
  need 4 entries or less and would benefit from the small object optimization.

- Backing store for LiveDebugVariable which doesn't exist yet, but will track
  debug variables during register allocation.

This is a work in progress. Missing items are:

- Performance metrics.
- erase().
- insert() shrinkage.
- clear().
- More performance metrics.
- Simplification and detemplatization.

llvm-svn: 119787
 2010-11-19 04:47:19 +00:00
Jakob Stoklund Olesen
254cd4bc4d Revert "Add ADT/IntervalMap.", GCC doesn't like it. 
This reverts r119772.

llvm-svn: 119773
 2010-11-19 01:21:03 +00:00
Jakob Stoklund Olesen
7d82c5c710 Add ADT/IntervalMap. 
This is a sorted interval map data structure for small keys and values with
automatic coalescing and bidirectional iteration over coalesced intervals.

Except for coalescing intervals, it provides similar functionality to std::map.
It is however much more compact for small keys and values, and hopefully faster
too.

The container object itself can hold the first few intervals without any
allocations, then it switches to a cache conscious B+-tree representation. A
recycling allocator can be shared between many containers, even between
containers holding different types.

The IntervalMap is initially intended to be used with SlotIndex intervals for:

- Backing store for LiveIntervalUnion that is smaller and faster than std::set.

- Backing store for LiveInterval with less overhead than std::vector for typical
  intervals and O(N log N) merging of large intervals. 99% of virtual registers
  need 4 entries or less and would benefit from the small object optimization.

- Backing store for LiveDebugVariable which doesn't exist yet, but will track
  debug variables during register allocation.

This is a work in progress. Missing items are:

- Performance metrics.
- erase().
- insert() shrinkage.
- clear().
- More performance metrics.
- Simplification and detemplatization.

llvm-svn: 119772
 2010-11-19 01:14:40 +00:00
Dale Johannesen
7bfcfd0bfa Aligned and unaligned copies of the same string 
were not hashing to the same value.  Analysis
and patch by Frits van Bommel!

llvm-svn: 119770
 2010-11-19 00:48:58 +00:00
Dan Gohman
3f08bf5bea Bounds-check APInt's operator[]. 
llvm-svn: 119708
 2010-11-18 17:14:56 +00:00
Chris Lattner
99b8654169 now that AsmPrinter::EmitInlineAsm is factored right, we can eliminate the 
cookie argument to the SourceMgr diagnostic stuff.  This cleanly separates
LLVMContext's inlineasm handler from the sourcemgr error handling 
definition, increasing type safety and cleaning things up.

llvm-svn: 119486
 2010-11-17 08:13:01 +00:00
Daniel Dunbar
1f695efa5e report_fatal_error: Simplify a possible ambiguity. 
llvm-svn: 118972
 2010-11-13 02:48:51 +00:00
Ted Kremenek
3bb32def7e Fix memory leak in StringRef::edit_distance(). 'Allocated' could be leaked on an early return. 
llvm-svn: 118370
 2010-11-07 06:09:02 +00:00
Daniel Dunbar
8f3d8495f5 CrashRecoveryContext: Add RunSafelyOnThread helper function. 
llvm-svn: 118272
 2010-11-05 07:19:09 +00:00
Mikhail Glushenkov
991857f132 Rename FindExecutable to PrependMainExecutablePath. 
Makes it more clear that it is just a path manipulation function.

llvm-svn: 118174
 2010-11-03 16:14:16 +00:00
Dan Gohman
69a6379472 Print an error as one big string instead of breaking it up. 
llvm-svn: 118130
 2010-11-03 00:24:33 +00:00
Mikhail Glushenkov
97788c1061 Revert r118057, this is better fixed in appendSuffix itself. 
llvm-svn: 118088
 2010-11-02 22:18:28 +00:00
Dan Gohman
172e1824d0 Don't append a dot on platforms which don't use exe suffixes. 
llvm-svn: 118057
 2010-11-02 20:49:48 +00:00
Mikhail Glushenkov
4077e2da6f FindExecutable: remove the executability check. 
This makes the behaviour of FindExecutable more consistent across platforms, but
I'm not very happy with the name...

llvm-svn: 118049
 2010-11-02 20:32:46 +00:00
Dan Gohman
6a889e86df Fix these error messages to be less confusing. These error 
messages primarily indicate errors running the viewer, not
errors with the graph file itself.

llvm-svn: 117665
 2010-10-29 17:03:40 +00:00
Mikhail Glushenkov
7ee0f678cb Remove an unnecessary check and an unnecessary temporary. 
llvm-svn: 117583
 2010-10-28 19:33:04 +00:00
Douglas Gregor
a598c0fbce Extend StringRef's edit-distance algorithm to permit an upper bound on the allowed edit distance 
llvm-svn: 116867
 2010-10-19 22:13:48 +00:00
NAKAMURA Takumi
8c67d3f400 lib/Support/raw_ostream.cpp: Fix Cygwin's build. 
setmode is provided by io.h on Cygwin.

llvm-svn: 116784
 2010-10-19 01:21:55 +00:00
Daniel Dunbar
f5c3546f2b CrashRecoveryContext: Add missing return, so that the signal fires after we our 
routine is off the stack. Otherwise we show up rather confusingly in the stack
trace.

llvm-svn: 116755
 2010-10-18 21:55:18 +00:00
Oscar Fuentes
a6ffccab95 Build with RTTI and exceptions disabled. Only in GCC for now. 
llvm-svn: 116682
 2010-10-17 02:26:16 +00:00
Francois Pichet
ad0548d742 Always use binary mode for output stream. This is important to prevent unwanted end of line conversion on Windows. Should not affect Unix where O_BINARY is not defined. This fix /clang/test/lexer/preamble.c XFAIL on WIN32. 
llvm-svn: 116509
 2010-10-14 20:30:58 +00:00
Chris Lattner
27d8b68afa fix a bug I introduced, no idea how this didn't repro right. 
llvm-svn: 116462
 2010-10-14 00:30:00 +00:00
Chris Lattner
451a0accb5 add uadd_ov/usub_ov to apint, consolidate constant folding 
logic to use the new APInt methods.  Among other things this
implements rdar://8501501 - llvm.smul.with.overflow.i32 should constant fold

which comes from "clang -ftrapv", originally brought to my attention from PR8221.

llvm-svn: 116457
 2010-10-14 00:05:07 +00:00
Chris Lattner
093d5fe0a9 constify these methods. 
llvm-svn: 116455
 2010-10-13 23:54:10 +00:00
Chris Lattner
70a78ab2c5 add a few operations for signed operations that also 
return an overflow flag.

llvm-svn: 116452
 2010-10-13 23:46:33 +00:00
John Thompson
87f1278fd9 Unbreak cmake build. 
llvm-svn: 116003
 2010-10-07 23:12:15 +00:00
Dan Gohman
6645ce3f75 Move tool_output_file into its own file. 
llvm-svn: 115973
 2010-10-07 20:32:40 +00:00
Dan Gohman
e4c61a1443 After printing "Running 'Graphviz' program... " and running the 
Graphviz program, print something with a newline, to avoid leaving
the line unfinished.

llvm-svn: 115620
 2010-10-05 15:30:27 +00:00
Benjamin Kramer
3f7e313552 Grow BumpPtrAllocator's slab size dynamically if we allocated many slabs. This 
reduces the amount of malloc calls and may reduce memory overhead.

Some numbers:
ASTContext stats, clang -cc1 -disable-free -fsyntax-only Cocoa_h.m
without dynamic growth                          |  with dynamic growth
Number of memory regions: 3158                  |  Number of memory regions: 432
Bytes used: 12333185                            |  Bytes used: 12333185
Bytes allocated: 12935168                       |  Bytes allocated: 12800000
Bytes wasted: 601983 (includes alignment, etc)  |  Bytes wasted: 466815 (includes alignment, etc)

ASTContext stats, clang -cc1 -disable-free -fsyntax-only on clang's ASTReader.cpp
without dynamic growth                          |  with dynamic growth
Number of memory regions: 10987                 |  Number of memory regions: 551
Bytes used: 42910356                            |  Bytes used: 42910356
Bytes allocated: 45002752                       |  Bytes allocated: 44711936
Bytes wasted: 2092396 (includes alignment, etc) |  Bytes wasted: 1801580 (includes alignment, etc)

llvm-svn: 115151
 2010-09-30 16:18:28 +00:00
Oscar Fuentes
eb27a44982 Removed a bunch of unnecessary target_link_libraries. 
llvm-svn: 114999
 2010-09-28 22:39:14 +00:00
Nick Lewycky
69d1069a4b Make ConstantRange::makeICmpRegion handle all the edge cases properly. This 
also fixes PR8250.

llvm-svn: 114972
 2010-09-28 18:18:36 +00:00
Benjamin Kramer
cd6c025b08 Push twines deeper into SourceMgr's error handling methods. 
llvm-svn: 114847
 2010-09-27 17:42:11 +00:00
Dan Gohman
08f59bde05 Delete an unused declaration. 
llvm-svn: 114839
 2010-09-27 16:54:49 +00:00
Dan Gohman
773c8a1c76 Add support for viewing graphviz graphs with xdot.py. 
llvm-svn: 114832
 2010-09-27 16:28:34 +00:00
Duncan Sands
c128b42eb8 Add better support for environment portion of triple. Original patch by 
Cameron Esfahani, tweaked to use array_lengthof.

llvm-svn: 114073
 2010-09-16 08:25:48 +00:00
Duncan Sands
82768f4f13 Some versions of gcc still warn about "ignoring return value ... declared 
with attribute warn_unused_result" here - suppress the warning harder.

llvm-svn: 114072
 2010-09-16 08:20:49 +00:00
Nick Lewycky
cad1395824 Create PTX backend. Patch by Che-Liang Chiou! 
llvm-svn: 113235
 2010-09-07 18:14:24 +00:00
Nick Lewycky
9698dae1df Add completely hokey binary-and and binary-or operations to ConstantRange and 
teach LazyValueInfo to use them.

llvm-svn: 113196
 2010-09-07 05:39:02 +00:00
Nick Lewycky
ca54f909d8 Add a new isSignWrappedSet() method to ConstantRange. 
Fix zeroExtend and signExtend to support empty sets, and to return the smallest
possible result set which contains the extension of each element in their
inputs. For example zext i8 [100, 10) to i16 is now [0, 256), not i16 [100, 10)
which contains 63446 members.

llvm-svn: 113187
 2010-09-06 23:52:49 +00:00
Dan Gohman
603d00d632 Use the FindProgramByName fallback only with known absolute paths. 
I wasn't able to convince myself that all GetMainExecutable
implementations always return absolute paths; this prevents
unexpected behavior in case they ever don't.

llvm-svn: 112888
 2010-09-02 22:32:38 +00:00
John McCall
b91df6e799 After some discussion with djg, teach SmallVector to grow from a zero 
capacity and remove the workaround in SmallVector<T,0>.  There are some
theoretical benefits to a N->2N+1 growth policy anyway.

llvm-svn: 112870
 2010-09-02 21:55:03 +00:00
NAKAMURA Takumi
500a204a62 llvm::FindExecutable(): Retrieve the name with suffix.exe, if available. 
bugpoint uses it.

llvm-svn: 112803
 2010-09-02 03:46:04 +00:00
Dan Gohman
f9e09104f1 Make tool_output_file's raw_ostream instance a member variable instead 
of a base class.

This makes it possible to unregister the file from FilesToRemove when
the file is done. Also, this eliminates the need for
formatted_tool_output_file.

llvm-svn: 112706
 2010-09-01 14:20:41 +00:00
Duncan Sands
3e49fe09db Remove a hack that tries to understand incorrect triples from the 
Triple class constructor.  Only valid triples should now be used
inside LLVM - front-ends are now responsable for rejecting or
correcting invalid target triples.  The Triple::normalize method
can be used to straighten out funky triples provided by users.
Give this a whirl through the buildbots to see if I caught all
places where triples enter LLVM.

llvm-svn: 112470
 2010-08-30 10:57:54 +00:00
Benjamin Kramer
7dcd303d9c StringRef::compare_numeric also differed from StringRef::compare for characters > 127. 
llvm-svn: 112189
 2010-08-26 15:25:35 +00:00
Benjamin Kramer
25003daf90 Do unsigned char comparisons in StringRef::compare_lower to be more consistent with compare in corner cases. 
llvm-svn: 112185
 2010-08-26 14:21:08 +00:00
Dan Gohman
8d2ed57538 Use Bits.data() instead of &Bits[0]. 
llvm-svn: 111993
 2010-08-24 23:16:53 +00:00
Benjamin Kramer
926ba6058b Avoid O(n*m) complexity in StringRef::find_first(_not)_of(StringRef). 
- Cache used characters in a bitset to reduce memory overhead to just 32 bytes.
- On my core2 this code is faster except when the checked string was very short
  (smaller than the list of delimiters).

llvm-svn: 111817
 2010-08-23 18:16:08 +00:00
Benjamin Kramer
482435cdb0 Update CMake build. 
llvm-svn: 111669
 2010-08-20 18:56:46 +00:00
Dan Gohman
730afb791f Delete SlowOperationInformer, which is no longer used. 
llvm-svn: 111661
 2010-08-20 18:07:37 +00:00
Dan Gohman
b316c3de4e Make outs() close its file when its stream is destructed, so that 
pending output errors are detected.

llvm-svn: 111643
 2010-08-20 16:44:56 +00:00
Dan Gohman
20fe555d22 Delete raw_stdout_ostream and raw_stderr_ostream, which are unused 
outside of outs() and errs() themselves, and they don't really
need custom classes.

llvm-svn: 111642
 2010-08-20 16:39:41 +00:00
Dan Gohman
4d1241b6b6 Move raw_ostream's Error flag into raw_fd_ostream, as that's the only 
class which is using it.

llvm-svn: 111639
 2010-08-20 16:34:20 +00:00