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* Fix PR2088. Use modulo linear equation solver to compute loop iterationWojciech Matyjewicz2008-07-201-1/+1
| | | | | | | count. git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@53810 91177308-0d34-0410-b5e6-96231b3b80d8
* Reapply 53476 and 53480, with a fix so that it properly updatesDan Gohman2008-07-141-2/+34
| | | | | | | | the BB member to the current basic block after emitting instructions. git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@53567 91177308-0d34-0410-b5e6-96231b3b80d8
* Back out 53476 and 53480 for now. Somehow they cause llc to miscompile 179.art.Evan Cheng2008-07-121-34/+2
| | | | git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@53502 91177308-0d34-0410-b5e6-96231b3b80d8
* Add support for putting NamedRegionTimers in TimerGroups, andDan Gohman2008-07-111-2/+34
| | | | | | | | | use a timer group for the timers in SelectionDAGISel. Also, Split scheduling out from emitting, to give each their own timer. git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@53476 91177308-0d34-0410-b5e6-96231b3b80d8
* Use find instead of lower_bound.Dan Gohman2008-07-111-2/+2
| | | | git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@53474 91177308-0d34-0410-b5e6-96231b3b80d8
* Add some basic Pool-allocation infrastructure. This adds a Recycler class,Dan Gohman2008-07-071-0/+7
| | | | | | | | | for handling bookkeeping for deleted objects, as well as the alist class template, for keeping lists of objects allocated from Recyclers, and some related utilities. git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@53210 91177308-0d34-0410-b5e6-96231b3b80d8
* Add a version of AddString that takes a const char* so we can avoid extraneousOwen Anderson2008-07-011-0/+38
| | | | | | | conversions to std::string. git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@52995 91177308-0d34-0410-b5e6-96231b3b80d8
* Append to the ActiveTimers std::vector before looking at the timer insteadDan Gohman2008-06-241-1/+1
| | | | | | | | | of after, so that any reallocation it does doesn't get counted for the pass being timed. This probably doesn't account for a timing discrepancy I was looking into, but I'm fixing it anyway. git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@52693 91177308-0d34-0410-b5e6-96231b3b80d8
* First step to fix PR2088. Implement routine to compute the Wojciech Matyjewicz2008-06-231-7/+48
| | | | | | | | | multiplicative inverse of a given number. Modify udivrem to allow input and output pairs of arguments to overlap. Patch is based on the work by Chandler Carruth. git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@52638 91177308-0d34-0410-b5e6-96231b3b80d8
* Avoid creating a redundant zero APInt.Dan Gohman2008-06-211-1/+1
| | | | git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@52602 91177308-0d34-0410-b5e6-96231b3b80d8
* Consistently set "Buckets[NumBuckets] = reinterpret_cast<void*>(-1)" ↵Ted Kremenek2008-06-171-1/+1
| | | | | | throughout FoldingSet.cpp. git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@52425 91177308-0d34-0410-b5e6-96231b3b80d8
* As comments said, for negative value, the arithmetic Zhou Sheng2008-06-051-1/+1
| | | | | | | | | | over-shift-right should return -1. So here it should be signed-extended, when bitwidth larger than 64. test case: llvm/test/ExecutionEngine/2008-06-05-APInt-OverAShr.ll git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@51999 91177308-0d34-0410-b5e6-96231b3b80d8
* Give a proper error message when a command line option is defined more thanMatthijs Kooijman2008-05-301-1/+1
| | | | | | | | once (ie, at two different places in the source, not two times on the commandline). git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@51771 91177308-0d34-0410-b5e6-96231b3b80d8
* Remove more iostream header includes. Needed to implement a "FlushStream"Bill Wendling2008-05-291-0/+9
| | | | | | | function to flush a specified std::ostream. git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@51705 91177308-0d34-0410-b5e6-96231b3b80d8
* Tidy up whitespace in ConstantRange::print output.Dan Gohman2008-05-271-1/+1
| | | | git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@51606 91177308-0d34-0410-b5e6-96231b3b80d8
* Don't assume underlying APInt type is limitedDale Johannesen2008-05-141-1/+1
| | | | | | | | to 64 bits. git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@51135 91177308-0d34-0410-b5e6-96231b3b80d8
* Remove undefined behavior in hex string->APFloatDale Johannesen2008-05-141-1/+1
| | | | | | | | conversion. Try 0x1.0000a4p+0f. Neil, please review. git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@51132 91177308-0d34-0410-b5e6-96231b3b80d8
* Clean up the use of static and anonymous namespaces. This turned upDan Gohman2008-05-131-0/+4
| | | | | | | | several things that were neither in an anonymous namespace nor static but not intended to be global. git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@51017 91177308-0d34-0410-b5e6-96231b3b80d8
* Make firstEightPowers const.Dan Gohman2008-05-121-2/+2
| | | | git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@50975 91177308-0d34-0410-b5e6-96231b3b80d8
* Remove uses of llvm/System/IncludeFile.h that are no longer needed.Dan Gohman2008-05-061-3/+0
| | | | git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@50695 91177308-0d34-0410-b5e6-96231b3b80d8
* Fix more -Wshorten-64-to-32 warnings.Evan Cheng2008-05-057-40/+42
| | | | git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@50659 91177308-0d34-0410-b5e6-96231b3b80d8
* Suppress -Wshorten-64-to-32 warnings for 64-bit hosts.Evan Cheng2008-05-022-43/+46
| | | | git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@50590 91177308-0d34-0410-b5e6-96231b3b80d8
* fcntl.h is pretty standard on unix (without the sys/)Gabor Greif2008-04-301-2/+1
| | | | git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@50475 91177308-0d34-0410-b5e6-96231b3b80d8
* Fix a pointer-arithmetic bug that caused 64-bit host pointer values toDan Gohman2008-04-281-1/+1
| | | | | | | | be truncated to 32 bits. This fixes the recent Benchmarks/McCat/09-vor regression on x86-64, among other things. git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@50372 91177308-0d34-0410-b5e6-96231b3b80d8
* Bug fix in BumpPtrAllocator: don't assume that all objects have the same ↵Ted Kremenek2008-04-281-6/+9
| | | | | | alignment. "Bump" of the pointer for the next allocated object to be of the specified alignment. git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@50362 91177308-0d34-0410-b5e6-96231b3b80d8
* Add support for response files to the CommandLine library.Mikhail Glushenkov2008-04-281-23/+79
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* Make these variables static.Dan Gohman2008-04-232-6/+6
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* Check that APFloat::convert is not trying to targetDale Johannesen2008-04-201-0/+1
| | | | | | | | | | | ppc long double, which doesn't work. This may break some stuff temporarily, but I want to avoid the propagation of code that assumes this works. git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@49983 91177308-0d34-0410-b5e6-96231b3b80d8
* Use gv's --spartan option, which trades away an extra row of UI buttonsDan Gohman2008-04-151-0/+1
| | | | | | | for more space for displaying the graph. git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@49730 91177308-0d34-0410-b5e6-96231b3b80d8
* Make several symbols static.Dan Gohman2008-04-102-23/+23
| | | | git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@49496 91177308-0d34-0410-b5e6-96231b3b80d8
* Fix compilation errors on MSVC. Patch by Argiris Kirtzidis!Bill Wendling2008-04-011-1/+2
| | | | git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@49055 91177308-0d34-0410-b5e6-96231b3b80d8
* Change the MemoryBuffer::getFile* methods to take just a pointer to theChris Lattner2008-04-012-17/+10
| | | | | | | | | start of a filename, not a filename+length. All clients can produce a null terminated name, and the system api's require null terminated strings anyway. git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@49041 91177308-0d34-0410-b5e6-96231b3b80d8
* Reimplement MemoryBuffer::getFile with three enhancements:Chris Lattner2008-04-011-85/+64
| | | | | | | | | | | | | | | | | | | | | | | 1) stop using MappedFile. 2) if profitable use the sys::path::MapInFilePages api to read the file. 3) otherwise fallback to read. When sys::path::MapInFilePages is implemented, this provides several benefits: #1: this avoids fragmenting memory for small files. #2: this avoids extraneous stat calls when the file size is known. #3: this only keeps the file descriptor open while reading the file, not for the duration of the lifetime of the memory buffer. This fixes a serious clang FD 'leak' problem. I believe that this will work on a win32 machine, but I don't have one to test on. I'd appreciate it if someone could check. git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@49031 91177308-0d34-0410-b5e6-96231b3b80d8
* Remove the MappedFile::charBase member, rename base -> getBase() andChris Lattner2008-04-011-3/+4
| | | | | | | make getBase() return a const-correct pointer. git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@49025 91177308-0d34-0410-b5e6-96231b3b80d8
* Change DiffFilesWithTolerance to be written in terms of MemoryBuffer,Chris Lattner2008-04-011-73/+56
| | | | | | | | | not an mmapped file. This more closely matches its requirements and provides an implicitly null terminated buffer, something this routine had to emulate itself before. git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@49024 91177308-0d34-0410-b5e6-96231b3b80d8
* Remove MappedFile support for mapping files for write and execChris Lattner2008-04-012-3/+3
| | | | | | | | and shared. This complicates the design, is not used, and probably doesn't even work. git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@49022 91177308-0d34-0410-b5e6-96231b3b80d8
* Add explicit keywords.Dan Gohman2008-03-251-1/+1
| | | | git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@48801 91177308-0d34-0410-b5e6-96231b3b80d8
* A quick nm audit turned up several fixed tables and objects that wereDan Gohman2008-03-252-2/+2
| | | | | | | | marked read-write. Use const so that they can be allocated in a read-only segment. git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@48800 91177308-0d34-0410-b5e6-96231b3b80d8
* Add assert for non-hexadecimal radixes.Bill Wendling2008-03-161-0/+4
| | | | git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@48421 91177308-0d34-0410-b5e6-96231b3b80d8
* Fix a typo. It's causing consumer-typeset to miscompile. Perhaps more.Evan Cheng2008-03-071-1/+1
| | | | git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@48035 91177308-0d34-0410-b5e6-96231b3b80d8
* Add support to APInt for shift and rotate operations with APIntDan Gohman2008-02-291-0/+27
| | | | | | | instead of uint32_t for the shift/rotate count operand type. git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@47741 91177308-0d34-0410-b5e6-96231b3b80d8
* Add a method to APFloat to convert directly from APInt.Dan Gohman2008-02-291-0/+17
| | | | git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@47738 91177308-0d34-0410-b5e6-96231b3b80d8
* Fix a bug that caused opt and other tools to silently ignoreDan Gohman2008-02-231-1/+1
| | | | | | | invalid command-line options. git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@47523 91177308-0d34-0410-b5e6-96231b3b80d8
* Add explicit keywords.Dan Gohman2008-02-201-2/+2
| | | | git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@47382 91177308-0d34-0410-b5e6-96231b3b80d8
* Add 'sink' cmdline option. Patch by Mikhail Glushenkov!Anton Korobeynikov2008-02-201-6/+18
| | | | git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@47377 91177308-0d34-0410-b5e6-96231b3b80d8
* Unbreak build with gcc 4.3: provide missed includes and silence most ↵Anton Korobeynikov2008-02-205-0/+5
| | | | | | annoying warnings. git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@47367 91177308-0d34-0410-b5e6-96231b3b80d8
* Fixed bug in APInt::Profile() where the BitWidth field was not included in theTed Kremenek2008-02-191-0/+2
| | | | | | | | profile of the APSInt object. This caused unexpected Profile collisions where none should have occurred. git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@47338 91177308-0d34-0410-b5e6-96231b3b80d8
* Fixed bug in FoldingSetIteratorImpl where we did not correctly check ifTed Kremenek2008-02-151-2/+4
| | | | | | | | we had reached the "fake bucket" after the last bucket, allowing the iterator in some cases to run off the end of the hashtable. git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@47178 91177308-0d34-0410-b5e6-96231b3b80d8
* Fix a warning about comparison between signed and unsigned,Dan Gohman2008-02-141-1/+1
| | | | | | | being consistent with the rest of the APInt implementation. git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@47138 91177308-0d34-0410-b5e6-96231b3b80d8
* Add countTrailingOnes member functions to APInt.Dan Gohman2008-02-131-0/+12
| | | | git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@47086 91177308-0d34-0410-b5e6-96231b3b80d8
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