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* Minor code simplification.Dan Gohman2010-05-281-2/+1
| | | | git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@104959 91177308-0d34-0410-b5e6-96231b3b80d8
* Fix a redundant-return warning.Dan Gohman2010-05-281-1/+2
| | | | git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@104958 91177308-0d34-0410-b5e6-96231b3b80d8
* Add basic error checking to MemoryBuffer::getSTDIN.Dan Gohman2010-05-271-2/+7
| | | | git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@104855 91177308-0d34-0410-b5e6-96231b3b80d8
* Add StringRef::compare_numeric and use it to sort TableGen register records.Jakob Stoklund Olesen2010-05-261-0/+28
| | | | | | | This means that our Registers are now ordered R7, R8, R9, R10, R12, ... Not R1, R10, R11, R12, R2, R3, ... git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@104745 91177308-0d34-0410-b5e6-96231b3b80d8
* Fix __crashreport_info__ declaration.Daniel Dunbar2010-05-201-2/+2
| | | | git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@104300 91177308-0d34-0410-b5e6-96231b3b80d8
* Add a comment explaining why this code uses Append mode.Dan Gohman2010-05-191-0/+4
| | | | git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@104095 91177308-0d34-0410-b5e6-96231b3b80d8
* Usage of O_NONBLOCK in bjam is now confirmed as a bug and fixed upstream.Dan Gohman2010-05-181-4/+7
| | | | | | | Update the comment. git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@104021 91177308-0d34-0410-b5e6-96231b3b80d8
* improve portability to systems that don't have round, patch byChris Lattner2010-05-151-4/+3
| | | | | | | Evzen Muller! git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@103877 91177308-0d34-0410-b5e6-96231b3b80d8
* Add new configure option, --disable-timestamps, intended to turn off ↵Daniel Dunbar2010-05-101-0/+2
| | | | | | | | | anything which would mess up binary/object comparisons. Currently: - Disables 'Built on ...' in 'foo --version'. - Disables timestamps from being embedded into .dir files. git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@103423 91177308-0d34-0410-b5e6-96231b3b80d8
* Run interrupt routines as part of report_fatal_error, since we are failingDaniel Dunbar2010-05-081-0/+7
| | | | | | ungracefully. git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@103334 91177308-0d34-0410-b5e6-96231b3b80d8
* Handle the case where open(2) or close(2) is interrupted by a signal whenDan Gohman2010-05-061-11/+24
| | | | | | | | | automatic syscall restarting is disabled. Also, fix the build on systems which don't define EWOULDBLOCK. git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@103158 91177308-0d34-0410-b5e6-96231b3b80d8
* Handle EWOULDBLOCK as EAGAIN. And add a comment explaining whyDan Gohman2010-05-061-3/+22
| | | | | | | | | | EAGAIN and EWOULDBLOCK are used here. Also, handle the case where a write call is interrupted after some data has already been written. git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@103153 91177308-0d34-0410-b5e6-96231b3b80d8
* Implement rdar://7415680 - Twine integer support lacks greatnessChris Lattner2010-05-051-4/+4
| | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | 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. git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@103107 91177308-0d34-0410-b5e6-96231b3b80d8
* Try again if write(2) reports an recoverable error.Benjamin Kramer2010-05-051-1/+6
| | | | | | | | This should fix mysteriously crashing boost regression tests when stderr is managed by bjam (PR7043). git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@103085 91177308-0d34-0410-b5e6-96231b3b80d8
* Fix typo. add a test case.Devang Patel2010-04-191-1/+1
| | | | git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@101812 91177308-0d34-0410-b5e6-96231b3b80d8
* Add DW_AT_APPLE_omit_frame_ptr to encode -fomit-frame-pointer flag.Devang Patel2010-04-191-1/+2
| | | | git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@101805 91177308-0d34-0410-b5e6-96231b3b80d8
* reduce indentationChris Lattner2010-04-181-21/+21
| | | | git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@101692 91177308-0d34-0410-b5e6-96231b3b80d8
* Fix a bunch of namespace polution.Dan Gohman2010-04-152-2/+13
| | | | git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@101376 91177308-0d34-0410-b5e6-96231b3b80d8
* BumpPtrAllocator::Reset() doesn't need to allocate anything. (Thanks, Jakob)Benjamin Kramer2010-04-131-2/+2
| | | | git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@101138 91177308-0d34-0410-b5e6-96231b3b80d8
* Let BumpPtrAllocator lazily allocate the first slab.Benjamin Kramer2010-04-131-3/+6
| | | | | | | | 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. git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@101130 91177308-0d34-0410-b5e6-96231b3b80d8
* Fix PR6826: GraphWriter delete the generated file before "dotty" load it,Chris Lattner2010-04-131-1/+2
| | | | | | | patch by 'ether'. git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@101116 91177308-0d34-0410-b5e6-96231b3b80d8
* add minix support, patch by Kees van Reeuwijk! PR6797Chris Lattner2010-04-091-1/+2
| | | | git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@100895 91177308-0d34-0410-b5e6-96231b3b80d8
* clean this up, fix std::min ambiguity on some platforms.Chris Lattner2010-04-091-7/+5
| | | | git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@100894 91177308-0d34-0410-b5e6-96231b3b80d8
* Various MSVC warning fixes about truncated 64 bit shifts and const pointers ↵Benjamin Kramer2010-04-081-1/+1
| | | | | | passed to free. git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@100767 91177308-0d34-0410-b5e6-96231b3b80d8
* rename llvm_install_error_handler -> install_fatal_error_handlerChris Lattner2010-04-071-16/+13
| | | | | | | and friends. git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@100717 91177308-0d34-0410-b5e6-96231b3b80d8
* rename llvm::llvm_report_error -> llvm::report_fatal_errorChris Lattner2010-04-072-7/+7
| | | | git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@100709 91177308-0d34-0410-b5e6-96231b3b80d8
* enhance SMDiagnostic to also maintain a pointer to the SourceMgr.Chris Lattner2010-04-061-1/+1
| | | | | | | | Add a simplified constructor for clients that don't have locations like "file not found" errors. git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@100538 91177308-0d34-0410-b5e6-96231b3b80d8
* give the SourceMgr object a cookie.Chris Lattner2010-04-061-1/+2
| | | | git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@100504 91177308-0d34-0410-b5e6-96231b3b80d8
* Give llvm::SourceMgr the ability to have a client-specifiedChris Lattner2010-04-061-1/+8
| | | | | | | diagnostic handler. git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@100503 91177308-0d34-0410-b5e6-96231b3b80d8
* stringref-ize the MemoryBuffer::get apis. This requiresChris Lattner2010-04-051-11/+8
| | | | | | | a co-committed clang patch. git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@100485 91177308-0d34-0410-b5e6-96231b3b80d8
* Push const through the regex engine. Fixes some of the warnings in PR6616.Owen Anderson2010-04-052-44/+51
| | | | git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@100438 91177308-0d34-0410-b5e6-96231b3b80d8
* Remove accidental include and add a comment.Benjamin Kramer2010-04-011-2/+2
| | | | git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@100107 91177308-0d34-0410-b5e6-96231b3b80d8
* Various improvements to MemoryBuffer::getFile:Benjamin Kramer2010-04-011-17/+26
| | | | | | | | | | | | - 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. git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@100106 91177308-0d34-0410-b5e6-96231b3b80d8
* Introduce SpecificBumpPtrAllocator, a wrapper for BumpPtrAllocator which allowsBenjamin Kramer2010-03-301-15/+0
| | | | | | | | only a single type of object to be allocated. Use it to make VNInfo destruction typesafe. git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@99919 91177308-0d34-0410-b5e6-96231b3b80d8
* Introduce namespace-scope functions to enable LLVM statistics withoutDouglas Gregor2010-03-301-21/+37
| | | | | | | | | passing the command-line parameter "-stats" and to print the resulting statistics without calling llvm_shutdown(). git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@99893 91177308-0d34-0410-b5e6-96231b3b80d8
* Reapply r99881 with some fixes: only call destructor in releaseMemory!Edwin Török2010-03-301-0/+15
| | | | git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@99883 91177308-0d34-0410-b5e6-96231b3b80d8
* Revert 99881, it brooke smooshlab's llvm-gcc-i386-darwin9.Edwin Török2010-03-301-15/+0
| | | | git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@99882 91177308-0d34-0410-b5e6-96231b3b80d8
* Introduce another Reset() method in BumpPtrAllocator that calls a destructorEdwin Török2010-03-301-0/+15
| | | | | | | | | | | 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). git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@99881 91177308-0d34-0410-b5e6-96231b3b80d8
* stringref'ize Timer apisChris Lattner2010-03-301-16/+15
| | | | git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@99877 91177308-0d34-0410-b5e6-96231b3b80d8
* finally, maintain a global list of timer groups, allowing us to Chris Lattner2010-03-301-0/+30
| | | | | | | | implement TimerGroup::printAll, which prints and resets all active timers. git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@99876 91177308-0d34-0410-b5e6-96231b3b80d8
* add a new TimerGroup::print method, and refactor away the bogusChris Lattner2010-03-301-31/+52
| | | | | | | TimerGroup copy ctor and assignment operator. git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@99875 91177308-0d34-0410-b5e6-96231b3b80d8
* rename GetLibSupportInfoOutputFile -> CreateInfoOutputFile andChris Lattner2010-03-302-18/+14
| | | | | | | have it always return a new stream to simplify clients. git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@99874 91177308-0d34-0410-b5e6-96231b3b80d8
* if a timergroup is destroyed before its timers, print times.Chris Lattner2010-03-302-6/+14
| | | | git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@99873 91177308-0d34-0410-b5e6-96231b3b80d8
* change TimerGroup to keep a linked list of active timers Chris Lattner2010-03-301-55/+67
| | | | | | | | | instead of just a count of them, and refactor the guts of report printing out of removeTimer into its own method. Refactor addTimerToPrint away. git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@99872 91177308-0d34-0410-b5e6-96231b3b80d8
* reapply my timer rewrite with a change for PassManager to store Chris Lattner2010-03-301-139/+85
| | | | | | | timers by pointer instead of by-value. git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@99871 91177308-0d34-0410-b5e6-96231b3b80d8
* revert r99862 which is causing FNT failures.Chris Lattner2010-03-301-85/+139
| | | | git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@99870 91177308-0d34-0410-b5e6-96231b3b80d8
* fairly major rewrite of various timing related stuff.Chris Lattner2010-03-301-139/+85
| | | | git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@99862 91177308-0d34-0410-b5e6-96231b3b80d8
* move a function into a more logical place in the fileChris Lattner2010-03-291-22/+21
| | | | git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@99842 91177308-0d34-0410-b5e6-96231b3b80d8
* remove support for per-time peak memory tracking, thisChris Lattner2010-03-291-29/+4
| | | | | | | | isn't used by anyone and is better exposed as a non-per-timer thing. Also, stop including System/Mutex.h in Timer.h git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@99841 91177308-0d34-0410-b5e6-96231b3b80d8
* various timer fixes: move operator= out of line,Chris Lattner2010-03-291-13/+20
| | | | | | | | | | 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. git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@99839 91177308-0d34-0410-b5e6-96231b3b80d8
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