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* Revert "Don't allow formatted_ostream to be unbuffered, even if its underlyingDaniel Dunbar2009-09-221-6/+1
| | | | | | | | | buffer", while we work out a solution. Dan convinced me that making debugging annoying for him is worse than 10x being slower for me. :) git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@82553 91177308-0d34-0410-b5e6-96231b3b80d8
* Add a TrackingVH value handle.Daniel Dunbar2009-09-221-3/+86
| | | | | | | | | | This is designed for tracking a value even when it might move (like WeakVH), but it is an error to delete the referenced value (unlike WeakVH0. TrackingVH is templated like AssertingVH on the tracked Value subclass, it is an error to RAUW a tracked value to an incompatible type. For implementation reasons the latter error is only diagnosed on accesses to a mis-RAUWed TrackingVH, because we don't want a virtual interface in a templated class. The former error is also only diagnosed on access, so that clients are allowed to delete a tracked value, as long as they don't use it. This makes it easier for the client to reason about destruction. git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@82506 91177308-0d34-0410-b5e6-96231b3b80d8
* Don't allow formatted_ostream to be unbuffered, even if its underlying bufferDaniel Dunbar2009-09-211-1/+6
| | | | | | | | | | | | is. - The problem is that formatted_ostream forces its underlying buffer to be unbuffered, so if some client happens to wrap a formatted_ostream around something, but still use the underlying stream, then we can end up writing on a fully unbuffered output (which was never intended to be unbuffered). - This makes clang (and presumably llvm-gcc) -emit-llvm -S a mere 10x faster. git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@82434 91177308-0d34-0410-b5e6-96231b3b80d8
* smallvectorize getExtraOptionNamesChris Lattner2009-09-201-6/+6
| | | | git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@82377 91177308-0d34-0410-b5e6-96231b3b80d8
* A few more tabs -> spaces.Daniel Dunbar2009-09-201-3/+3
| | | | git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@82358 91177308-0d34-0410-b5e6-96231b3b80d8
* convert a bunch more stuff to use StringRef. The ArgName arguments are nowChris Lattner2009-09-201-19/+17
| | | | | | | | | | stringref because they may not be nul terminated. For options like -Lfoo this now avoids a O(n) temporary std::strings where N is the length of the string after -L. git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@82345 91177308-0d34-0410-b5e6-96231b3b80d8
* Strip trailing whitespace.Daniel Dunbar2009-09-191-9/+9
| | | | git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@82332 91177308-0d34-0410-b5e6-96231b3b80d8
* RHS of assignment should be const reference.Daniel Dunbar2009-09-191-1/+1
| | | | git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@82331 91177308-0d34-0410-b5e6-96231b3b80d8
* convert a bunch of std::strings to use StringRef. This should eliminateChris Lattner2009-09-191-28/+22
| | | | | | | | a massive number of temporary strings created when parsing a command line. More still left to eliminate. git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@82318 91177308-0d34-0410-b5e6-96231b3b80d8
* remove an extraneous mem2reg pass early in the pipe. SinceChris Lattner2009-09-181-2/+0
| | | | | | | | | this is run after the 'standard function passes', SRoA was recently run. This saves a domfrontier construction. Thanks to Eli for noticing this. git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@82291 91177308-0d34-0410-b5e6-96231b3b80d8
* reduce indentation by using an early exit, and add a comment,Chris Lattner2009-09-181-62/+65
| | | | | | | no functionality change. git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@82290 91177308-0d34-0410-b5e6-96231b3b80d8
* Allow symbols to start from the digit if target requests it. This allows, ↵Anton Korobeynikov2009-09-181-1/+9
| | | | | | | | | e.g. pinning variables to specified absolute address. Make use of this feature for MSP430. This unbreaks PR4776. git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@82227 91177308-0d34-0410-b5e6-96231b3b80d8
* Use __attribute__((__used__)) if GCC >= 3.1 (seems to be the oldest GCCJulien Lerouge2009-09-171-1/+1
| | | | | | | supporting this attribute). git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@82177 91177308-0d34-0410-b5e6-96231b3b80d8
* Add an interface to attach debugging information with an instruction.Devang Patel2009-09-161-6/+24
| | | | git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@82062 91177308-0d34-0410-b5e6-96231b3b80d8
* Drop the raw_ostream required buffer size to 1.Daniel Dunbar2009-09-151-1/+1
| | | | | | | - As best I can tell, we have eliminated all the code which used to require a larger buffer size. git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@81912 91177308-0d34-0410-b5e6-96231b3b80d8
* Fix apostrophos.Dan Gohman2009-09-151-1/+1
| | | | git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@81856 91177308-0d34-0410-b5e6-96231b3b80d8
* Fix llvm-extract's "writing bitcode to a terminal" warning, which wasn'tDan Gohman2009-09-111-0/+7
| | | | | | | | | | | | | | | | working. To support this, add an is_displayed() function to raw_ostream, and generalize Process::StandardOutIsDisplayed and friends in order to support it. Also, call RemoveFileOnSignal before creating a file instead of after, so that the file isn't left behind if the program is interrupted between when the file is created and RemoveFileOnSignal is called. While here, add a -S to llvm-extract and port it to IRReader so that it supports assembly input. git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@81568 91177308-0d34-0410-b5e6-96231b3b80d8
* add a new Mangler::getNameWithPrefix API which returns theChris Lattner2009-09-111-0/+7
| | | | | | | | | (uniqued if unnamed) global variable name with the prefix that it is supposed to get. It doesn't do "mangling" in the sense of adding quotes and hacking on bad characters. git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@81505 91177308-0d34-0410-b5e6-96231b3b80d8
* Added an abstract superclass, MCDisassembler, forSean Callanan2009-09-091-25/+15
| | | | | | | | | | | | | | all disassemblers. Modified the MemoryObject to support 64-bit address spaces, regardless of the LLVM process's address width. Modified the Target class to allow extraction of a MCDisassembler. git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@81392 91177308-0d34-0410-b5e6-96231b3b80d8
* Make TypeBuilder's result depend on the LLVMContext it's passed.Jeffrey Yasskin2009-09-091-97/+12
| | | | | | | | | TypeBuilder was using a local static variable to cache its result. This made it ignore changes in its LLVMContext argument and always return a type constructed from the argument to the first call. git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@81316 91177308-0d34-0410-b5e6-96231b3b80d8
* Use MemoryBuffer::getBufferIdentifier() in the AsmPrinter insteadDan Gohman2009-09-081-8/+6
| | | | | | | | of requiring a name be passed in. This makes it use "<stdin>" instead of "-" and makes it more consistent with the Bitcode reader. git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@81256 91177308-0d34-0410-b5e6-96231b3b80d8
* Change "const static" to "static const", as warned aboutDuncan Sands2009-09-061-2/+2
| | | | | | | by icc (#82). Patch by Erick Tryzelaar. git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@81117 91177308-0d34-0410-b5e6-96231b3b80d8
* Mark more constants unsigned, as warned about by icc (#68).Duncan Sands2009-09-061-1/+1
| | | | | | | Patch by Erick Tryzelaar. git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@81116 91177308-0d34-0410-b5e6-96231b3b80d8
* Public and private corrections, warned about by icc (#304).Duncan Sands2009-09-061-1/+2
| | | | | | | Patch by Erick Tryzelaar. git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@81107 91177308-0d34-0410-b5e6-96231b3b80d8
* Remove unneeded declaration, as warned about byDuncan Sands2009-09-061-3/+0
| | | | | | | icc (#1170). Patch by Erick Tryzelaar. git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@81104 91177308-0d34-0410-b5e6-96231b3b80d8
* Revert 80959. It isn't sufficient to solve the full problem. And itDan Gohman2009-09-033-9/+9
| | | | | | | introduced regressions in the Ocaml bindings tests. git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@80969 91177308-0d34-0410-b5e6-96231b3b80d8
* Remove the API for creating ConstantExprs with the nsw, nuw, inbounds,Dan Gohman2009-09-033-9/+9
| | | | | | | | | | | | | | | | and exact flags. Because ConstantExprs are uniqued, creating an expression with this flag causes all expressions with the same operands to have the same flag, which may not be safe. Add, sub, mul, and sdiv ConstantExprs are usually folded anyway, so the main interesting flag here is inbounds, and the constant folder already knows how to set the inbounds flag automatically in most cases, so there isn't an urgent need for the API support. This can be reconsidered in the future, but for now just removing these API bits eliminates a source of potential trouble with little downside. git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@80959 91177308-0d34-0410-b5e6-96231b3b80d8
* back out my recent commit (r80858), it seems to break self-hosting ↵Gabor Greif2009-09-031-24/+6
| | | | | | buildbot's stage 2 configure git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@80871 91177308-0d34-0410-b5e6-96231b3b80d8
* re-commit r66920 (which has been backed out in r66953) I may have more luck ↵Gabor Greif2009-09-031-6/+24
| | | | | | this time. I'll back out if needed... git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@80858 91177308-0d34-0410-b5e6-96231b3b80d8
* Add convenience functions for reading in LLVM IR that autodetectDan Gohman2009-09-021-0/+117
| | | | | | | | and LLVM Assembly and LLVM Bitcode and automatically call the corresponding reader. git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@80809 91177308-0d34-0410-b5e6-96231b3b80d8
* Retype from unsigned to CallingConv::ID accordingly. Approved by Bob Wilson.Sandeep Patel2009-09-021-2/+3
| | | | git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@80773 91177308-0d34-0410-b5e6-96231b3b80d8
* hopefully unbreak the build by making this-> explicit for dependentChris Lattner2009-08-301-1/+1
| | | | | | | base class lookup. git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@80499 91177308-0d34-0410-b5e6-96231b3b80d8
* Add regular expression matching support, based on OpenBSD regexec()/regcomp()Edwin Török2009-08-301-0/+64
| | | | | | | implementation. git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@80493 91177308-0d34-0410-b5e6-96231b3b80d8
* some minor cleanups to IRBuilder, factor the insertionChris Lattner2009-08-301-24/+32
| | | | | | | | hook out of the main IRBuilder class to allow clients to override it. git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@80479 91177308-0d34-0410-b5e6-96231b3b80d8
* Reapply 79977.Devang Patel2009-08-281-6/+6
| | | | | | | Use MDNodes to encode debug info in llvm IR. git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@80406 91177308-0d34-0410-b5e6-96231b3b80d8
* Add MathExtras.h OffsetToAlignment, like RoundUpToAlignment but returns theDaniel Dunbar2009-08-281-0/+7
| | | | | | offset to the next aligned integer. git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@80339 91177308-0d34-0410-b5e6-96231b3b80d8
* eliminate all 80-col violations that I have introduced in my recent checkins ↵Gabor Greif2009-08-272-7/+10
| | | | | | (and some others more) git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@80304 91177308-0d34-0410-b5e6-96231b3b80d8
* Clean up the minor mess I caused with removing iterator.h. I shall take care ↵Gabor Greif2009-08-272-7/+6
| | | | | | of 80-col violations and the FIXME later. (Thanks goodness that I live in another continent, so the monkeypox did not strike me :-) git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@80224 91177308-0d34-0410-b5e6-96231b3b80d8
* Revert 79977. It causes llvm-gcc bootstrap failures on some platforms.Devang Patel2009-08-261-6/+6
| | | | git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@80073 91177308-0d34-0410-b5e6-96231b3b80d8
* Eliminate the unused Context argument on one of the ICmpInst and FCmpInstDan Gohman2009-08-251-2/+2
| | | | | | | constructors. git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@80049 91177308-0d34-0410-b5e6-96231b3b80d8
* Make LLVM command-line tools overwrite their output files without -f.Dan Gohman2009-08-252-7/+6
| | | | | | | | | | | | | | | | | This is conventional command-line tool behavior. -f now just means "enable binary output on terminals". Add a -f option to llvm-extract and llvm-link, for consistency. Remove F_Force from raw_fd_ostream and enable overwriting and truncating by default. Introduce an F_Excl flag to permit users to enable a failure when the file already exists. This flag is currently unused. Update Makefiles and documentation accordingly. git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@79990 91177308-0d34-0410-b5e6-96231b3b80d8
* Update DebugInfo interface to use metadata, instead of special named ↵Devang Patel2009-08-251-6/+6
| | | | | | | | | llvm.dbg.... global variables, to encode debugging information in llvm IR. This is mostly a mechanical change that tests metadata support very well. This change speeds up llvm-gcc by more then 6% at "-O0 -g" (measured by compiling InstructionCombining.cpp!) git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@79977 91177308-0d34-0410-b5e6-96231b3b80d8
* Add MemoryBuffer::getBuffer() -> StringRef.Daniel Dunbar2009-08-241-0/+5
| | | | git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@79903 91177308-0d34-0410-b5e6-96231b3b80d8
* Add missing include (for MSVC).Daniel Dunbar2009-08-241-0/+1
| | | | git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@79897 91177308-0d34-0410-b5e6-96231b3b80d8
* split raw_os_ostream out to its own header and implementation file. ThisChris Lattner2009-08-242-19/+42
| | | | | | | | means that raw_ostream no longer has to #include <iosfwd>. Nothing in llvm should use raw_os_ostream.h, but llvm-gcc and some unit tests do. git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@79886 91177308-0d34-0410-b5e6-96231b3b80d8
* prune the #includes in raw_ostream.h by moving a Chris Lattner2009-08-241-9/+1
| | | | | | | | member out of line. ftostr is not particularly speedy, so that method is presumably not perf sensitive. git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@79885 91177308-0d34-0410-b5e6-96231b3b80d8
* Prune #includes from llvm/Linker.h and llvm/System/Path.h,Chris Lattner2009-08-231-13/+8
| | | | | | | | | | | | | | | | | | | | forcing them down into various .cpp files. This change also: 1. Renames TimeValue::toString() and Path::toString() to ::str() for similarity with the STL. 2. Removes all stream insertion support for sys::Path, forcing clients to call .str(). 3. Removes a use of Config/alloca.h from bugpoint, using smallvector instead. 4. Weans llvm-db off <iostream> sys::Path really needs to be gutted, but I don't have the desire to do it at this point. git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@79869 91177308-0d34-0410-b5e6-96231b3b80d8
* llvm/Support/Streams.h is now dead, zap it.Chris Lattner2009-08-231-91/+0
| | | | git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@79865 91177308-0d34-0410-b5e6-96231b3b80d8
* eliminate the ostream version of CheckBitcodeOutputToConsole,Chris Lattner2009-08-231-13/+5
| | | | | | | | change the raw_ostream one to take the raw_ostream byref instead of byptr. Prune #includes, eliminate a use of Streams.h git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@79863 91177308-0d34-0410-b5e6-96231b3b80d8
* Fix off-by-one in llvm::Format::print.Daniel Dunbar2009-08-231-34/+27
| | | | | | | | | | | | | - This also shortens the Format.h implementation, and uses the print buffer fully (it was wasting a character). - This manifested as llvm-test failures, because one side effect was that raw_ostream would write garbage '\x00' values into the output stream if it happened that the string was at the end of the buffer. This meant that grep would report 'Binary file matches', which meant the silly pattern matching llvm-test eventually does would fail. Cute. :) git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@79862 91177308-0d34-0410-b5e6-96231b3b80d8
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