Commit Graph

1358 Commits

Author SHA1 Message Date
Douglas Gregor b7b5a7dff0 Unbreak my CMake build, say you'll compile for me again...
llvm-svn: 109598
2010-07-28 17:17:46 +00:00
Daniel Dunbar 19a3b37441 Support: Add CrashRecoveryContext helper object.
- Designed as a simple wrapper to allow clients to attempt to catch crashes
   (memory errors, assertion violations, etc.) and do some kind of recovery.

 - Currently doesn't actually attempt to catch crashes.

llvm-svn: 109586
2010-07-28 15:40:20 +00:00
Benjamin Kramer 92d8998348 Don't pass StringRef by reference.
llvm-svn: 108366
2010-07-14 22:38:02 +00:00
Chris Lattner ca97c92eb4 add some triple for minix, patch by Kees van Reeuwijk from PR7582
llvm-svn: 107785
2010-07-07 15:52:27 +00:00
Duncan Sands 7b90966d4a Rather than giving SmallPtrSetImpl a member field SmallArray which is magically
replaced by a bigger array in SmallPtrSet (by overridding it), instead just use a
pointer to the start of the storage, and have SmallPtrSet pass in the value to use.
This has the disadvantage that SmallPtrSet becomes bigger by one pointer.  It has
the advantage that it no longer uses tricky C++ rules, and is clearly correct while
I'm not sure the previous version was.  This was inspired by g++-4.6 pointing out
that SmallPtrSetImpl was writing off the end of SmallArray, which it was.  Since
SmallArray is replaced with a bigger array in SmallPtrSet, the write was still to
valid memory.  But it was writing off the end of the declared array type - sounds
kind of dubious to me, like it sounded dubious to g++-4.6.  Maybe g++-4.6 is wrong
and this construct is perfectly valid and correctly compiled by all compilers, but
I think it is better to avoid the whole can of worms by avoiding this construct.

llvm-svn: 107285
2010-06-30 15:02:37 +00:00
Eric Christopher 7f103a2653 Fix thinko.
llvm-svn: 107042
2010-06-28 18:33:48 +00:00
Eric Christopher 51f2908328 Pull in the libCrashReporterClient.a information with a warning comment.
Remove library check and regenerate configure.

llvm-svn: 107028
2010-06-28 18:25:51 +00:00
Benjamin Kramer 58e6c2eded Rewrite MemoryBuffer::getSTDIN to use read(2) and a SmallVector buffer.
llvm-svn: 106856
2010-06-25 16:07:18 +00:00
Benjamin Kramer 948dd57945 Bring back the empty vector workaround I removed in r106839. Looks like MSVC needs it.
llvm-svn: 106841
2010-06-25 12:51:01 +00:00
Benjamin Kramer ce2a92220f Tweak MemoryBuffer to allocate the class itself, the name and possibly the
buffer in the same chunk of memory.

2 less mallocs for every uninitialized MemoryBuffer and 1 less malloc for every
MemoryBuffer pointing to a memory range translate into 20% less mallocs on
clang -cc1 -Eonly Cocoa_h.m.

llvm-svn: 106839
2010-06-25 11:50:40 +00:00
Dan Gohman b377e2828d Add overloads for getFile and getFileOrSTDIN which take a const char *
instead of a StringRef, avoiding the need to copy the string in the
common case.

llvm-svn: 106754
2010-06-24 16:25:50 +00:00
Eric Christopher e9c1bb6cb1 Look for and use a different darwin crash reporter library.
llvm-svn: 106576
2010-06-22 21:01:04 +00:00
Dan Gohman 2ceaa71bdb Add an explicit keyword.
llvm-svn: 106538
2010-06-22 13:53:29 +00:00
Benjamin Kramer bf5c3d42ba Use calloc instead of new/memset, it is more efficient when the set is very large.
llvm-svn: 106390
2010-06-19 17:00:31 +00:00
Dan Gohman 6e681a5fbe Give NamedRegionTimer an Enabled flag, allowing all its clients to
switch from this:

  if (TimePassesIsEnabled) {
    NamedRegionTimer T(Name, GroupName);
    do_something();
  } else {
    do_something(); // duplicate the code, this time without a timer!
  }

to this:

  {
    NamedRegionTimer T(Name, GroupName, TimePassesIsEnabled);
    do_something();
  }

llvm-svn: 106285
2010-06-18 15:56:31 +00:00
Jason Molenda dd6a4cabf6 Add the entire range of DW_OP_lit[0..31], DW_OP_reg[0..31], and
DW_OP_breg[0..31] to Dwarf.h.

Add "DW_" prefix to the llvm::dwarf::*String methods which did not
already have them in Dwarf.cpp.

llvm-svn: 106197
2010-06-17 01:23:24 +00:00
Daniel Dunbar e22295e8a6 fpcmp: Fix bug where fpcmp wouldn't early exit when files obviously differ and
no tolerance is set.

llvm-svn: 106033
2010-06-15 19:20:30 +00:00
Daniel Dunbar b645fa13a9 fpcmp: Fix a possible infinite loop when comparing something like:
1..19 ok
to
  1..20 o k
(yes, the odd space is necessary).

llvm-svn: 106032
2010-06-15 19:20:28 +00:00
Daniel Dunbar 5729f51410 Use const_iterator where appropriate.
llvm-svn: 105620
2010-06-08 17:21:57 +00:00
Daniel Dunbar f2363de7ad DeltaAlgorithm: Tweak split to split by first/second half instead of even/odd, since adjacent changes are more likely to be related.
llvm-svn: 105613
2010-06-08 16:21:26 +00:00
Daniel Dunbar 579ba2ac42 ADT: Add DAGDeltaAlgorithm, which is a DAG minimization algorithm built on top of the standard 'delta debugging' algorithm.
- This can give substantial speedups in the delta process for inputs we can construct dependency information for.

llvm-svn: 105612
2010-06-08 16:21:22 +00:00
Benjamin Kramer 4e36e5bb4c Use realloc instead of malloc+memcpy when growing a POD SmallVector. A smart
realloc implementation can try to expand the allocated memory block in-place,
avoiding the copy.

llvm-svn: 105605
2010-06-08 11:44:30 +00:00
Dan Gohman fb85820f9a Minor code simplification.
llvm-svn: 104959
2010-05-28 16:50:23 +00:00
Dan Gohman feaeb36edf Fix a redundant-return warning.
llvm-svn: 104958
2010-05-28 16:50:01 +00:00
Dan Gohman c36b1f35f0 Add basic error checking to MemoryBuffer::getSTDIN.
llvm-svn: 104855
2010-05-27 17:31:51 +00:00
Jakob Stoklund Olesen d1d7ed63ff Add StringRef::compare_numeric and use it to sort TableGen register records.
This means that our Registers are now ordered R7, R8, R9, R10, R12, ...
Not R1, R10, R11, R12, R2, R3, ...

llvm-svn: 104745
2010-05-26 21:47:28 +00:00
Daniel Dunbar c120ffe3f6 Fix __crashreport_info__ declaration.
llvm-svn: 104300
2010-05-20 23:50:19 +00:00
Dan Gohman 744c96dd48 Add a comment explaining why this code uses Append mode.
llvm-svn: 104095
2010-05-19 01:21:34 +00:00
Dan Gohman dea5310433 Usage of O_NONBLOCK in bjam is now confirmed as a bug and fixed upstream.
Update the comment.

llvm-svn: 104021
2010-05-18 15:25:14 +00:00
Chris Lattner 9e01b615a4 improve portability to systems that don't have round, patch by
Evzen Muller!

llvm-svn: 103877
2010-05-15 17:11:55 +00:00
Daniel Dunbar dac182450b Add new configure option, --disable-timestamps, intended to turn off anything which would mess up binary/object comparisons. Currently:
- Disables 'Built on ...' in 'foo --version'.
 - Disables timestamps from being embedded into .dir files.

llvm-svn: 103423
2010-05-10 20:11:56 +00:00
Daniel Dunbar 401d4c9341 Run interrupt routines as part of report_fatal_error, since we are failing
ungracefully.

llvm-svn: 103334
2010-05-08 02:10:36 +00:00
Dan Gohman d351116be0 Handle the case where open(2) or close(2) is interrupted by a signal when
automatic syscall restarting is disabled.

Also, fix the build on systems which don't define EWOULDBLOCK.

llvm-svn: 103158
2010-05-06 02:06:20 +00:00
Dan Gohman ef969f3539 Handle EWOULDBLOCK as EAGAIN. And add a comment explaining why
EAGAIN and EWOULDBLOCK are used here.

Also, handle the case where a write call is interrupted after
some data has already been written.

llvm-svn: 103153
2010-05-06 01:27:36 +00:00
Chris Lattner d7f69cb7ef Implement rdar://7415680 - Twine integer support lacks greatness
Microoptimize Twine's with unsigned and int to not pin their value to
the stack.  This saves stack space in common cases and allows mem2reg
in the caller.  A simple example is:

void foo(const Twine &);
void bar(int x) {
  foo("xyz: " + Twine(x));
}

Before:

__Z3bari:
	subq	$40, %rsp
	movl	%edi, 36(%rsp)
	leaq	L_.str3(%rip), %rax
	leaq	36(%rsp), %rcx
	leaq	8(%rsp), %rdi
	movq	%rax, 8(%rsp)
	movq	%rcx, 16(%rsp)
	movb	$3, 24(%rsp)
	movb	$7, 25(%rsp)
	callq	__Z3fooRKN4llvm5TwineE
	addq	$40, %rsp
	ret

After:

__Z3bari:
	subq	$24, %rsp
	leaq	L_.str3(%rip), %rax
	movq	%rax, (%rsp)
	movslq	%edi, %rax
	movq	%rax, 8(%rsp)
	movb	$3, 16(%rsp)
	movb	$7, 17(%rsp)
	leaq	(%rsp), %rdi
	callq	__Z3fooRKN4llvm5TwineE
	addq	$24, %rsp
	ret

It saves 16 bytes of stack and one instruction in this case.

llvm-svn: 103107
2010-05-05 18:40:33 +00:00
Benjamin Kramer ce84a2558c Try again if write(2) reports an recoverable error.
This should fix mysteriously crashing boost regression tests when stderr is
managed by bjam (PR7043).

llvm-svn: 103085
2010-05-05 15:17:47 +00:00
Devang Patel 561fa8490e Fix typo. add a test case.
llvm-svn: 101812
2010-04-19 20:31:39 +00:00
Devang Patel 6188093cca Add DW_AT_APPLE_omit_frame_ptr to encode -fomit-frame-pointer flag.
llvm-svn: 101805
2010-04-19 19:14:02 +00:00
Chris Lattner 1049e1ce1f reduce indentation
llvm-svn: 101692
2010-04-18 03:35:23 +00:00
Dan Gohman b29cda9b3c Fix a bunch of namespace polution.
llvm-svn: 101376
2010-04-15 17:08:50 +00:00
Benjamin Kramer 55cfaa37de BumpPtrAllocator::Reset() doesn't need to allocate anything. (Thanks, Jakob)
llvm-svn: 101138
2010-04-13 16:38:06 +00:00
Benjamin Kramer 5b0650bf6e Let BumpPtrAllocator lazily allocate the first slab.
We have some code in llvm and clang where a BumpPtrAllocator is declared in a
class but never used in the common case. Stop wasting memory there.

llvm-svn: 101130
2010-04-13 14:41:51 +00:00
Chris Lattner 33154c1fc6 Fix PR6826: GraphWriter delete the generated file before "dotty" load it,
patch by 'ether'.

llvm-svn: 101116
2010-04-13 04:35:39 +00:00
Chris Lattner c86cdc7d47 add minix support, patch by Kees van Reeuwijk! PR6797
llvm-svn: 100895
2010-04-09 20:45:04 +00:00
Chris Lattner 5c289f217b clean this up, fix std::min ambiguity on some platforms.
llvm-svn: 100894
2010-04-09 20:43:54 +00:00
Benjamin Kramer 53dd088b58 Various MSVC warning fixes about truncated 64 bit shifts and const pointers passed to free.
llvm-svn: 100767
2010-04-08 15:25:57 +00:00
Chris Lattner 59c5753174 rename llvm_install_error_handler -> install_fatal_error_handler
and friends.

llvm-svn: 100717
2010-04-07 23:12:29 +00:00
Chris Lattner 2104b8d36e rename llvm::llvm_report_error -> llvm::report_fatal_error
llvm-svn: 100709
2010-04-07 22:58:41 +00:00
Chris Lattner 97c4cb8947 enhance SMDiagnostic to also maintain a pointer to the SourceMgr.
Add a simplified constructor for clients that don't have locations
like "file not found" errors.

llvm-svn: 100538
2010-04-06 18:06:18 +00:00
Chris Lattner 654091391b give the SourceMgr object a cookie.
llvm-svn: 100504
2010-04-06 00:33:43 +00:00
Chris Lattner 3c799811c1 Give llvm::SourceMgr the ability to have a client-specified
diagnostic handler.

llvm-svn: 100503
2010-04-06 00:26:48 +00:00
Chris Lattner 0e45d24a4e stringref-ize the MemoryBuffer::get apis. This requires
a co-committed clang patch.

llvm-svn: 100485
2010-04-05 22:42:30 +00:00
Owen Anderson f93bdd1024 Push const through the regex engine. Fixes some of the warnings in PR6616.
llvm-svn: 100438
2010-04-05 17:50:20 +00:00
Benjamin Kramer 15630f8238 Remove accidental include and add a comment.
llvm-svn: 100107
2010-04-01 14:39:55 +00:00
Benjamin Kramer 10b0f3b314 Various improvements to MemoryBuffer::getFile:
- Use a RAII object to close the FD.
- Use sys::StrError instead of thread-unsafe strerror calls.
- Recover gracefully if read returns zero. This works around an issue on
  DragonFlyBSD where /dev/null has an st_size of 136 but we can't read 136 bytes
  from it.

llvm-svn: 100106
2010-04-01 14:35:22 +00:00
Benjamin Kramer 04c713dd45 Introduce SpecificBumpPtrAllocator, a wrapper for BumpPtrAllocator which allows
only a single type of object to be allocated. Use it to make VNInfo destruction
typesafe.

llvm-svn: 99919
2010-03-30 20:16:45 +00:00
Douglas Gregor 83fd0156a9 Introduce namespace-scope functions to enable LLVM statistics without
passing the command-line parameter "-stats" and to print the resulting
statistics without calling llvm_shutdown().

llvm-svn: 99893
2010-03-30 17:32:08 +00:00
Torok Edwin 8061bb141e Reapply r99881 with some fixes: only call destructor in releaseMemory!
llvm-svn: 99883
2010-03-30 11:17:48 +00:00
Torok Edwin a2d1dc42e1 Revert 99881, it brooke smooshlab's llvm-gcc-i386-darwin9.
llvm-svn: 99882
2010-03-30 10:25:08 +00:00
Torok Edwin ba6d13c0ea Introduce another Reset() method in BumpPtrAllocator that calls a destructor
on all objects it has allocated, if they are all of the same size and alignment.
Use this to destruct all VNInfos allocated in LiveIntervalAnalysis (PR6653).

valnos is not reliable for this purpose, as seen in r99400
(which still leaked, and sometimes caused double frees).

llvm-svn: 99881
2010-03-30 10:08:26 +00:00
Chris Lattner 39e56a05f7 stringref'ize Timer apis
llvm-svn: 99877
2010-03-30 05:34:02 +00:00
Chris Lattner 90fe73dc92 finally, maintain a global list of timer groups, allowing us to
implement TimerGroup::printAll, which prints and resets all active
timers.

llvm-svn: 99876
2010-03-30 05:27:58 +00:00
Chris Lattner 4cd6571fef add a new TimerGroup::print method, and refactor away the bogus
TimerGroup copy ctor and assignment operator.

llvm-svn: 99875
2010-03-30 05:20:02 +00:00
Chris Lattner 6cbd8d118e rename GetLibSupportInfoOutputFile -> CreateInfoOutputFile and
have it always return a new stream to simplify clients.

llvm-svn: 99874
2010-03-30 05:01:08 +00:00
Chris Lattner dcd68b7a65 if a timergroup is destroyed before its timers, print times.
llvm-svn: 99873
2010-03-30 04:58:26 +00:00
Chris Lattner 9a608d248e change TimerGroup to keep a linked list of active timers
instead of just a count of them, and refactor the guts of
report printing out of removeTimer into its own method.
Refactor addTimerToPrint away.

llvm-svn: 99872
2010-03-30 04:40:01 +00:00
Chris Lattner 707431cf26 reapply my timer rewrite with a change for PassManager to store
timers by pointer instead of by-value.

llvm-svn: 99871
2010-03-30 04:03:22 +00:00
Chris Lattner ec8ef9b643 revert r99862 which is causing FNT failures.
llvm-svn: 99870
2010-03-30 03:57:00 +00:00
Chris Lattner 57a0542397 fairly major rewrite of various timing related stuff.
llvm-svn: 99862
2010-03-30 02:38:19 +00:00
Chris Lattner dcd7f927bd move a function into a more logical place in the file
llvm-svn: 99842
2010-03-29 21:34:06 +00:00
Chris Lattner 09a4074869 remove support for per-time peak memory tracking, this
isn't used by anyone and is better exposed as a non-per-timer 
thing.  Also, stop including System/Mutex.h in Timer.h

llvm-svn: 99841
2010-03-29 21:28:41 +00:00
Chris Lattner b355db7877 various timer fixes: move operator= out of line,
eliminate the per-timer lock (timers should be 
externally locked if needed), the info-output-stream
can never be dbgs(), so drop the check.  Make some
stuff private.

llvm-svn: 99839
2010-03-29 21:24:52 +00:00
Chris Lattner 5092a6de8e s/.../.
llvm-svn: 99834
2010-03-29 20:40:19 +00:00
Chris Lattner fafa57a82a move code around and improve indentation, no functionality change.
llvm-svn: 99831
2010-03-29 20:35:01 +00:00
Chris Lattner 35a069b3a5 improve portability to minix, patch by
Kees van Reeuwijk for PR6704

llvm-svn: 99677
2010-03-26 23:54:15 +00:00
Dan Gohman b452d4e9e4 Fix minor style issues.
llvm-svn: 99414
2010-03-24 19:38:02 +00:00
Duncan Sands 8712da360b Fix comment typo.
llvm-svn: 99392
2010-03-24 09:05:14 +00:00
Dan Gohman 6556c8962c Add the ability to "intern" FoldingSetNodeID data into a
BumpPtrAllocator-allocated region to allow it to be stored in a more
compact form and to avoid the need for a non-trivial destructor call.

Use this new mechanism in ScalarEvolution instead of
FastFoldingSetNode to avoid leaking memory in the case where a
FoldingSetNodeID uses heap storage, and to reduce overall memory
usage.

llvm-svn: 98829
2010-03-18 16:16:38 +00:00
Douglas Gregor 6d7d7b5197 Extend MemoryBuffer::getFile() to take an optional "stat" structure
pointer. If given, the structure will be set with the stat information from
the file actually read.

llvm-svn: 98575
2010-03-15 20:32:14 +00:00
Chris Lattner 4c1e4db3ff make APFloat::toString be const.
llvm-svn: 97883
2010-03-06 19:20:13 +00:00
Chris Lattner 6783832ec2 add an assertion requested on llvmdev.
llvm-svn: 97769
2010-03-05 00:49:08 +00:00
John McCall c6dbe30e88 Don't potentially read past the end of the fill data when making a NaN from
an APInt.

llvm-svn: 97467
2010-03-01 18:38:45 +00:00
John McCall c12b133d00 Properly clear all the extra bits in a significand when making a NaN from an
APInt.  Be certain to set the integer bit in an x87 extended-precision
significand so that we don't accidentally make a pseudo-NaN.

llvm-svn: 97382
2010-02-28 12:49:50 +00:00
John McCall 512b650210 Add an override to StringRef::getAsInteger which parses into an APInt.
It gets its own implementation totally divorced from the (presumably
performance-sensitive) routines which parse into a uint64_t.

Add APInt::operator|=(uint64_t), which is situationally much better than
using a full APInt.

llvm-svn: 97381
2010-02-28 09:55:58 +00:00
John McCall dcb9a7ad3d Teach APFloat how to create both QNaNs and SNaNs and with arbitrary-width
payloads.  APFloat's internal folding routines always make QNaNs now,
instead of sometimes making QNaNs and sometimes SNaNs depending on the
type.

llvm-svn: 97364
2010-02-28 02:51:25 +00:00
John McCall b42cc681ba Make APFloat's string-parsing routines a bit safer against very large exponents.
llvm-svn: 97278
2010-02-26 22:20:41 +00:00
Benjamin Kramer 7f98b46dc1 Replace a temporary std::string with SmallString.
llvm-svn: 97259
2010-02-26 20:28:29 +00:00
Wesley Peck e4801e49c9 Adding the MicroBlaze backend.
The MicroBlaze is a highly configurable 32-bit soft-microprocessor for
use on Xilinx FPGAs. For more information see:
http://www.xilinx.com/tools/microblaze.htm
http://en.wikipedia.org/wiki/MicroBlaze

The current LLVM MicroBlaze backend generates assembly which can be
compiled using the an appropriate binutils assembler.

llvm-svn: 96969
2010-02-23 19:15:24 +00:00
Jeffrey Yasskin cc2e3d22df Fix viewCFG on Linux.
llvm-svn: 96834
2010-02-23 00:04:53 +00:00
Dan Gohman 30ff721f09 Fix various doxygen warnings.
llvm-svn: 96779
2010-02-22 04:10:52 +00:00
Duncan Sands 142b9edaf1 Refer to -help instead of --help since this is what tools themselves say.
Also, have tools output -help-hidden rather than refer to --help-hidden,
for consistency, and likewise adjust documentation.  This doesn't change
every mention of --help, only those which seemed clearly safe.

llvm-svn: 96578
2010-02-18 14:08:13 +00:00
Daniel Dunbar eb85711e43 Add Regex::sub, for doing regular expression substitution with backreferences.
llvm-svn: 96503
2010-02-17 20:08:42 +00:00
Chris Lattner 115158fa4f enhance raw_svector_ostream::write_impl to work with unbuffered streams,
which may call write_impl on things that are not the usual buffer.

llvm-svn: 96209
2010-02-15 02:18:26 +00:00
Chris Lattner f733d75892 make PadToColumn return the stream so you can use:
OS.PadToColumn(42) << "foo";

llvm-svn: 96208
2010-02-15 02:17:50 +00:00
Dan Gohman 4a618827de Fix "the the" and similar typos.
llvm-svn: 95781
2010-02-10 16:03:48 +00:00
Chris Lattner 8228b11abc add support for the sparcv9-*-* target triple to turn on
64-bit sparc codegen.  Patch by Nathan Keynes!

llvm-svn: 95293
2010-02-04 06:34:01 +00:00
John McCall df951bddb8 Make APInt::countLeadingZerosSlowCase() treat the contents of padding bits
as undefined.  Fixes an assertion in APFloat::toString noticed by Dale.

llvm-svn: 95196
2010-02-03 03:42:44 +00:00
Benjamin Kramer ef14f80e95 Fix MSVC build.
llvm-svn: 94809
2010-01-29 15:19:06 +00:00
Benjamin Kramer b17c58674e Convert some users of ftostr to raw_ostream.
llvm-svn: 94808
2010-01-29 14:42:22 +00:00
Benjamin Kramer 6bee24ae9a Use llvm::format instead of ftostr (which just calls sprintf).
llvm-svn: 94807
2010-01-29 14:40:33 +00:00