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2013-04-01Whitespace cleanupJoe Abbey
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@178454 91177308-0d34-0410-b5e6-96231b3b80d8
2013-02-13use memcpy instead of dubious union to type pun two values,Chris Lattner
thanks to David Blaike for pointing this out. git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@175032 91177308-0d34-0410-b5e6-96231b3b80d8
2013-02-10Add code for emitting the attribute groups.Bill Wendling
This is some initial code for emitting the attribute groups into the bitcode. NOTE: This format *may* change! Do not rely upon the attribute groups' bitcode not changing. git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@174845 91177308-0d34-0410-b5e6-96231b3b80d8
2013-02-10ok, ok, stop fighting type punning warnings by just using a union.Chris Lattner
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@174827 91177308-0d34-0410-b5e6-96231b3b80d8
2013-02-10hopefully "really" fix a type punning warning by defining the buffer asChris Lattner
type char, which can't have TBAA tags. git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@174826 91177308-0d34-0410-b5e6-96231b3b80d8
2013-02-10attempt to defeat a gcc warning that is breaking a -Werror buildbot.Chris Lattner
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@174825 91177308-0d34-0410-b5e6-96231b3b80d8
2013-02-09This is the correct version of r174802.Chris Lattner
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@174804 91177308-0d34-0410-b5e6-96231b3b80d8
2013-02-09Fix a nasty off-by one error that only manifests with 64-bit word size (which isChris Lattner
not enabled yet). git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@174803 91177308-0d34-0410-b5e6-96231b3b80d8
2013-02-09Fix the underlying problem that was causing read(0) to be called: sometimes theChris Lattner
bitcode writer would generate abbrev records saying that the abbrev should be filled with fixed zero-bit bitfields (this happens in the .bc writer when the number of types used in a module is exactly one, since log2(1) == 0). In this case, just handle it as a literal zero. We can't "just fix" the writer without breaking compatibility with existing bc files, so have the abbrev reader do the substitution. Strengthen the assert in read to reject reads of zero bits so we catch such crimes in the future, and remove the special case designed to handle this. git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@174801 91177308-0d34-0410-b5e6-96231b3b80d8
2013-02-09recommit r173072 (preparing bitstream reader to read a machine word at a time,Chris Lattner
instead of always 32-bits at a time) with two changes: 1. Make Read(0) always return zero without affecting the state of our cursor. 2. Hack word_t to always be 32 bits, as staging. These two caveats will change shortly. git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@174800 91177308-0d34-0410-b5e6-96231b3b80d8
2013-02-04Initial cleanups of the param-attribute code in the bitcode reader/writer.Bill Wendling
Rename the PARAMATTR_CODE_ENTRY to PARAMATTR_CODE_ENTRY_OLD. It will be replaced by another encoding. Keep around the current LLVM attribute encoder/decoder code, but move it to the bitcode directories so that no one's tempted to use them. git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@174335 91177308-0d34-0410-b5e6-96231b3b80d8
2013-01-21r173072 is causing some regressions on big endian hosts, I don't have time ↵Chris Lattner
to debug it so revert it for now. git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@173074 91177308-0d34-0410-b5e6-96231b3b80d8
2013-01-21rework the Bitstream reader to actually work a machine word at a time, ↵Chris Lattner
instead of 32-bits at a time. This cuts in half the number of virtual methods called to refill that word when compiling on a 64-bit host, and will make 64-bit read operations faster. git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@173072 91177308-0d34-0410-b5e6-96231b3b80d8
2013-01-21Fix a heinous inefficiency introduced in r149918, wherein reading each byte of aChris Lattner
BLOB (i.e., large, performance intensive data) in a bitcode file was switched to invoking one virtual method call per byte read. Now we do one virtual call per BLOB. git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@173065 91177308-0d34-0410-b5e6-96231b3b80d8
2013-01-21rename "SkipToWord" to "SkipToFourByteBoundary" since a word is not always 4 ↵Chris Lattner
bytes. git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@173062 91177308-0d34-0410-b5e6-96231b3b80d8
2013-01-20trivial micro-optimization: lazily call the virtual method instead of ↵Chris Lattner
eagerly calling it. git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@172953 91177308-0d34-0410-b5e6-96231b3b80d8
2013-01-20switch llvm-bcanalyzer onto the new cursor APIs, allowing deletion ofChris Lattner
the old ReadRecord methods. git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@172952 91177308-0d34-0410-b5e6-96231b3b80d8
2013-01-20add an option to not auto-process abbreviations in advance()Chris Lattner
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@172946 91177308-0d34-0410-b5e6-96231b3b80d8
2013-01-20stringref'ize readRecord and properly capitalize it. Add a compatibility ↵Chris Lattner
method to easy the transition. git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@172940 91177308-0d34-0410-b5e6-96231b3b80d8
2013-01-20move some private methods out of line, add a skipRecord() method.Chris Lattner
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@172931 91177308-0d34-0410-b5e6-96231b3b80d8
2013-01-19add some optional flags to affect the way advance works.Chris Lattner
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@172928 91177308-0d34-0410-b5e6-96231b3b80d8
2013-01-19Add a new BitstreamEntry concept, and add two helper methods for walkingChris Lattner
through a BitstreamCursor that produce it: advance() and advanceSkippingSubblocks(), representing the two most common ways clients want to walk through bitcode. git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@172919 91177308-0d34-0410-b5e6-96231b3b80d8
2013-01-19BitstreamReader hasn't aged well. It's been hacked on by various people andChris Lattner
has past the point of making sense. Lets tidy things up: first step, moving a ton of big functions out of line. git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@172904 91177308-0d34-0410-b5e6-96231b3b80d8
2013-01-10Fix include guards so they exactly match file names.Jakub Staszak
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@172025 91177308-0d34-0410-b5e6-96231b3b80d8
2012-12-09Have the bitcode reader/writer just use FPMathOperator's fast math enum directlyMichael Ilseman
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@169710 91177308-0d34-0410-b5e6-96231b3b80d8
2012-12-03Sort the #include lines for the include/... tree with the script.Chandler Carruth
AKA: Recompile *ALL* the source code! This one went much better. No manual edits here. I spot-checked for silliness and grep-checked for really broken edits and everything seemed good. It all still compiles. Yell if you see something that looks goofy. git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@169133 91177308-0d34-0410-b5e6-96231b3b80d8
2012-11-28Add back support for reading and parsing 'deplibs'.Bill Wendling
This is for backwards compatibility for pre-3.x bc files. The code reads the code, but does nothing with it. git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@168779 91177308-0d34-0410-b5e6-96231b3b80d8
2012-11-27Remove the dependent libraries feature.Bill Wendling
The dependent libraries feature was never used and has bit-rotted. Remove it. git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@168694 91177308-0d34-0410-b5e6-96231b3b80d8
2012-11-27Fast-math flags for the bitcodeMichael Ilseman
Added in bitcode enum for the serializing of fast-math flags. Added in the reading/writing of fast-math flags from the OptimizationFlags record for BinaryOps. git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@168646 91177308-0d34-0410-b5e6-96231b3b80d8
2012-11-25Code Custodian:Joe Abbey
- Widespread trailing space removal - A dash of OCD spacing to block align enums - joined a line that probably needed 80 cols a while back git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@168566 91177308-0d34-0410-b5e6-96231b3b80d8
2012-11-15Remove trailing whitespaceMichael Ilseman
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@168103 91177308-0d34-0410-b5e6-96231b3b80d8
2012-10-11Change encoding of instruction operands in bitcode binaries to be relativeJan Wen Voung
to the instruction position. The old encoding would give an absolute ID which counts up within a function, and only resets at the next function. I.e., Instead of having: ... = icmp eq i32 n-1, n-2 br i1 ..., label %bb1, label %bb2 it will now be roughly: ... = icmp eq i32 1, 2 br i1 1, label %bb1, label %bb2 This makes it so that ids remain relatively small and can be encoded in fewer bits. With this encoding, forward reference operands will be given negative-valued IDs. Use signed VBRs for the most common case of forward references, which is phi instructions. To retain backward compatibility we bump the bitcode version from 0 to 1 to distinguish between the different encodings. git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@165739 91177308-0d34-0410-b5e6-96231b3b80d8
2012-09-27Revert 'Fix a typo 'iff' => 'if''. iff is an abreviation of if and only if. ↵Sylvestre Ledru
See: http://en.wikipedia.org/wiki/If_and_only_if Commit 164767 git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@164768 91177308-0d34-0410-b5e6-96231b3b80d8
2012-09-27Fix a typo 'iff' => 'if'Sylvestre Ledru
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@164767 91177308-0d34-0410-b5e6-96231b3b80d8
2012-09-18Mark unimplemented copy constructors and copy assignment operators as ↵Craig Topper
LLVM_DELETED_FUNCTION. git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@164090 91177308-0d34-0410-b5e6-96231b3b80d8
2012-09-17Mark unimplemented copy constructors and copy assignment operators as ↵Craig Topper
LLVM_DELETED_FUNCTION. git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@164017 91177308-0d34-0410-b5e6-96231b3b80d8
2012-09-05[ms-inline asm] Enumerate the InlineAsm dialects and rename the nsdialect toChad Rosier
inteldialect. git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@163231 91177308-0d34-0410-b5e6-96231b3b80d8
2012-09-05[ms-inline asm] Add support for the nsdialect keyword in the BitcodeChad Rosier
Reader/Writer. git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@163185 91177308-0d34-0410-b5e6-96231b3b80d8
2012-08-23Fix a bunch of -Wdocumentation warnings.Dmitri Gribenko
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@162446 91177308-0d34-0410-b5e6-96231b3b80d8
2012-08-21Pacify PVS-Studio by changing the type rather than doing a cast, a tweakDuncan Sands
suggested by David Blaikie. git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@162286 91177308-0d34-0410-b5e6-96231b3b80d8
2012-08-21PVS-Studio noticed that EmitVBR64 would perform undefined behaviour if theDuncan Sands
number of bits was bigger than 32. I checked every use of this function that I could find and it looks like the maximum number of bits is 32, so I've added an assertion checking this property, and a type cast to (hopefully) stop PVS-Studio from warning about this in the future. git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@162277 91177308-0d34-0410-b5e6-96231b3b80d8
2012-08-10Remove references to compression in llvm-ar. It has been a long time since weRafael Espindola
switched from a bytecode+bzip2 to the current bitcode. git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@161651 91177308-0d34-0410-b5e6-96231b3b80d8
2012-06-20Remove 'static' from inline functions defined in header files.Chandler Carruth
There is a pretty staggering amount of this in LLVM's header files, this is not all of the instances I'm afraid. These include all of the functions that (in my build) are used by a non-static inline (or external) function. Specifically, these issues were caught by the new '-Winternal-linkage-in-inline' warning. I'll try to just clean up the remainder of the clearly redundant "static inline" cases on functions (not methods!) defined within headers if I can do so in a reliable way. There were even several cases of a missing 'inline' altogether, or my personal favorite "static bool inline". Go figure. ;] git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@158800 91177308-0d34-0410-b5e6-96231b3b80d8
2012-05-23revert r156383: removal of TYPE_CODE_FUNCTION_OLDNuno Lopes
Apparently LLVM only stopped emitting this after LLVM 3.0 git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@157325 91177308-0d34-0410-b5e6-96231b3b80d8
2012-05-08remove TYPE_CODE_FUNCTION_OLD type code. it is no longer in use and it was ↵Nuno Lopes
marked for removal in 3.0 git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@156383 91177308-0d34-0410-b5e6-96231b3b80d8
2012-03-21Fix windows compilation warning. Patch by Micah.Jan Sjödin
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@153215 91177308-0d34-0410-b5e6-96231b3b80d8
2012-03-03Enable the small vector POD optimization for BitCodeAbbrevOp.Benjamin Kramer
While at it bump the small vector size a bit, it's inside a heap-allocated class. git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@151980 91177308-0d34-0410-b5e6-96231b3b80d8
2012-02-29BitstreamWriter: Use SmallVector::append instead of multiple push_back calls.Daniel Dunbar
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@151755 91177308-0d34-0410-b5e6-96231b3b80d8
2012-02-29BitstreamWriter: Change primary output buffer to be a SmallVector instead of anDaniel Dunbar
std::vector. - Good for 1-2% speedup on writing PCH for Cocoa.h. - Clang side API match to follow shortly, there wasn't an easy way to make this non-breaking. git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@151750 91177308-0d34-0410-b5e6-96231b3b80d8
2012-02-29BitstreamWriter: Isolate access to the underlying buffer.Daniel Dunbar
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@151749 91177308-0d34-0410-b5e6-96231b3b80d8
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