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2013-06-06Make PNaCl bitcode files have a different format from LLVM bitcode files.Karl Schimpf
BUG= https://code.google.com/p/nativeclient/issues/detail?id=3405 R=dschuff@chromium.org Review URL: https://codereview.chromium.org/15907008
2013-05-24Make abbreviations explicit in pnacl-freeze/thaw.Karl Schimpf
[1] Explicitly enumerate all abbreviation values, including the maximum abbreviation for each type of block. [2] Make "enter subblock" calculate number of bits needed by passing in maximum abbreviation (associated with block) rather than requiring the developer to compute this value every time a subblock is entered. *NOTE* This code changes encoding sizes to be based on the maximum allowed value, rather than requiring the developer to calculate out the number of bits needed. This change doesn't make the PNaCL bitcode files incompatable with LLVM bitcode files, since it does not effect the bitcode reader. BUG= https://code.google.com/p/nativeclient/issues/detail?id=3405 R=jvoung@chromium.org Review URL: https://codereview.chromium.org/14813032
2013-05-20Create type IDs based on reference counts.Karl Schimpf
Create type IDs based on number of references, rather than first reached. This is done so that fewer bits are used to encode types that are commonly used. Note that this cuts the size of the generate bitcode file by about 1.5%, with no effect on the reader, since it only changes the order type ID's are created. BUG= https://code.google.com/p/nativeclient/issues/detail?id=3405 R=jvoung@chromium.org Review URL: https://codereview.chromium.org/14495008
2013-05-02Copy BitCodes.h to NaCl/NaClBitCodes.hKarl Schimpf
Create NaCl specific version of BitCodes.h so that we can custimize it for the PNaCl wire format. Moves enums to namespace naclbitc. Renames classes using NaCl prefix. Fixes references so that files compiles. BUG= https://code.google.com/p/nativeclient/issues/detail?id=3405 R=jvoung@chromium.org Review URL: https://codereview.chromium.org/14682013
2013-05-01Copy LLVM bitcode reader to generate a PNaCl wire format reader.Karl Schimpf
Copy classes for LLVM BitcodeReader into a NaCl subdirectory, to create a wire format version. Renames classes/functions to include NaCl prefix, so that they don't conflict with the LLVM Bitcode reader. Also implements pnacl-thaw, showing that we can read the PNaCl wire format files. BUG= https://code.google.com/p/nativeclient/issues/detail?id=3405 R=jvoung@chromium.org Review URL: https://codereview.chromium.org/14314016
2013-04-26Fix CMake build of NaClBitWriterDerek Schuff
TBR=kschimpf@google.com BUG=none Review URL: https://codereview.chromium.org/14520020
2013-04-26Copy Bitwriter to generate PNaClBitwriter.Karl Schimpf
Copy classes for LLVM BitcodeWriter into a PNaCL subdirectory, to create a PNaCL version. Renames classes/methods to include PNaCl prefix so that they don't conflict with the LLVM BitcodeWriter. Also removed experimental support for use-list order preservation. BUG=https://code.google.com/p/nativeclient/issues/detail?id=3405 Review URL: https://codereview.chromium.org/14126011
2013-03-11Merge commit '279b9184c2ff4fea93b198a3519b8cb3a1d8d195'Eli Bendersky
Conflicts: include/llvm/CodeGen/LexicalScopes.h include/llvm/MC/MCAsmInfo.h lib/Linker/LinkArchives.cpp lib/Linker/LinkItems.cpp lib/MC/MCAsmInfo.cpp lib/MC/MCDwarf.cpp lib/Target/ARM/ARMInstrInfo.td lib/Target/ARM/ARMSubtarget.cpp lib/Target/ARM/MCTargetDesc/ARMMCTargetDesc.cpp lib/Target/Mips/MCTargetDesc/MipsELFObjectWriter.cpp lib/Target/Mips/MCTargetDesc/MipsMCTargetDesc.cpp lib/Target/Mips/MipsAsmPrinter.cpp lib/Target/Mips/MipsDelaySlotFiller.cpp lib/Target/Mips/MipsISelDAGToDAG.cpp lib/Target/Mips/MipsSubtarget.cpp lib/Target/Mips/MipsSubtarget.h lib/Target/Mips/MipsTargetObjectFile.cpp lib/Target/X86/MCTargetDesc/X86MCAsmInfo.cpp lib/Target/X86/X86FastISel.cpp lib/Target/X86/X86ISelLowering.cpp lib/Target/X86/X86TargetMachine.cpp lib/Transforms/CMakeLists.txt lib/Transforms/LLVMBuild.txt lib/Transforms/Makefile test/MC/ARM/arm_instructions.s test/MC/X86/AlignedBundling/pad-align-to-bundle-end.s
2013-02-19Simplify code. No functionality change.Jakub Staszak
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@175501 91177308-0d34-0410-b5e6-96231b3b80d8
2013-02-12Have the bitcode writer and reader handle the new attribute references.Bill Wendling
The bitcode writer emits a reference to the attribute group that the object at the given index refers to. The bitcode reader is modified to read this in and map it back to the attribute group. git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@174952 91177308-0d34-0410-b5e6-96231b3b80d8
2013-02-12Use the AttributeSet as the 'key' to the map instead of the 'raw' pointer.Bill Wendling
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@174950 91177308-0d34-0410-b5e6-96231b3b80d8
2013-02-11Rename AttributeSets to AttributeGroups so that it's more meaningful.Bill Wendling
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@174911 91177308-0d34-0410-b5e6-96231b3b80d8
2013-02-11Use a std::map so that we record the group ID.Bill Wendling
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@174910 91177308-0d34-0410-b5e6-96231b3b80d8
2013-02-11[tsan/msan] adding thread_safety and uninitialized_checks attributesKostya Serebryany
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@174864 91177308-0d34-0410-b5e6-96231b3b80d8
2013-02-11Fix unnecessary removal of const through cast machineryDavid Blaikie
I have some uncommitted changes to the cast code that catch this sort of thing at compile-time but I still need to do some other cleanup before I can enable it. git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@174853 91177308-0d34-0410-b5e6-96231b3b80d8
2013-02-10Add support in the bitcode reader to read the attribute groups.Bill Wendling
This reads the attribute groups. It currently doesn't do anything with them. NOTE: In the commit to the bitcode writer, the format *may* change in the near future. Which means that this code would also change. git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@174849 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
2013-02-10Add support for attribute groups in the value enumerator.Bill Wendling
Attribute groups are essentially all AttributeSets which are used by the program. Enumerate them here. git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@174844 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
2013-02-06Code Custodian (trivial whitespace cleanup)Joe Abbey
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@174550 91177308-0d34-0410-b5e6-96231b3b80d8
2013-02-05Added LLVM Asm/Bitcode Reader/Writer support for new IR keyword ↵Michael Gottesman
externally_initialized. git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@174340 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
2013-01-30Merge commit 'a662a9862501fc86904e90054f7c1519101d9126'Derek Schuff
Conflicts: include/llvm/CodeGen/IntrinsicLowering.h include/llvm/MC/MCAssembler.h include/llvm/MC/MCObjectStreamer.h lib/LLVMBuild.txt lib/Linker/LinkArchives.cpp lib/MC/MCAssembler.cpp lib/MC/MCELFStreamer.cpp lib/MC/MCParser/AsmParser.cpp lib/MC/MCPureStreamer.cpp lib/MC/WinCOFFStreamer.cpp lib/Makefile lib/Support/Unix/Memory.inc lib/Support/Unix/Process.inc lib/Support/Unix/Program.inc lib/Target/ARM/ARM.h lib/Target/ARM/ARMFastISel.cpp lib/Target/ARM/ARMISelLowering.cpp lib/Target/ARM/MCTargetDesc/ARMELFStreamer.cpp lib/Target/Mips/MipsInstrFPU.td lib/Target/X86/CMakeLists.txt lib/Target/X86/X86ISelLowering.cpp lib/Target/X86/X86TargetMachine.cpp lib/Target/X86/X86TargetObjectFile.cpp lib/Transforms/InstCombine/InstCombineCalls.cpp test/CodeGen/X86/fast-isel-x86-64.ll tools/llc/llc.cpp tools/lto/LTOModule.cpp utils/TableGen/EDEmitter.cpp
2013-01-29Use an AttrBuilder to generate the correct AttributeSet.Bill Wendling
We no longer accept an encoded integer as representing all of the attributes. Convert this via the AttrBuilder class into an AttributeSet with the correct representation (an AttributeSetImpl that holds a list of Attribute objects). git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@173750 91177308-0d34-0410-b5e6-96231b3b80d8
2013-01-27Use the AttributeSet instead of AttributeWithIndex object.Bill Wendling
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@173598 91177308-0d34-0410-b5e6-96231b3b80d8
2013-01-25Remove some introspection functions.Bill Wendling
The 'getSlot' function and its ilk allow introspection into the AttributeSet class. However, that class should be opaque. Allow access through accessor methods instead. git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@173522 91177308-0d34-0410-b5e6-96231b3b80d8
2013-01-25Use the new 'getSlotIndex' method to retrieve the attribute's slot index.Bill Wendling
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@173499 91177308-0d34-0410-b5e6-96231b3b80d8
2013-01-22Make APFloat constructor require explicit semantics.Tim Northover
Previously we tried to infer it from the bit width size, with an added IsIEEE argument for the PPC/IEEE 128-bit case, which had a default value. This default value allowed bugs to creep in, where it was inappropriate. git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@173138 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
2013-01-21wean Blob handling logic off of banging on NextChar directly. Instead, makeChris Lattner
it reason about the current bit position, which is always independent of the underlying cursors word size. git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@173063 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
2013-01-20convert the bitstream reader itself and the IR .bc file parser to use the ↵Chris Lattner
new advance() APIs, simplifying things and making a bunch of details more private to BitstreamCursor. git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@172947 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 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
2013-01-11Replace DepLibs bitcode record with metadataDerek Schuff
It keeps the same Module interface as the existing/old deplibs feature, but populates the library list from the metadata after reading the bitcode/LL into the Module. Keeping the same module interface will allow us to keep the existing uses (e.g. in the gold plugin) as they are. Internally it still uses the LibraryList variable, but uses it basically as a cache backed by the metadata. BUG= Review URL: https://codereview.chromium.org/11615013
2013-01-11Merge commit '1ad9253c9d34ccbce3e7e4ea5d87c266cbf93410'Derek Schuff
deplib features commented out due to removal upstream; will add back as a localmod Conflicts: include/llvm/ADT/Triple.h include/llvm/MC/MCAssembler.h include/llvm/Target/TargetFrameLowering.h lib/CodeGen/AsmPrinter/DwarfDebug.cpp lib/CodeGen/AsmPrinter/DwarfDebug.h lib/CodeGen/BranchFolding.cpp lib/LLVMBuild.txt lib/Linker/LinkArchives.cpp lib/MC/MCAssembler.cpp lib/MC/MCELFStreamer.cpp lib/Makefile lib/Target/ARM/ARMExpandPseudoInsts.cpp lib/Target/ARM/ARMFrameLowering.cpp lib/Target/ARM/ARMISelLowering.cpp lib/Target/ARM/ARMSubtarget.h lib/Target/ARM/ARMTargetObjectFile.cpp lib/Target/ARM/MCTargetDesc/ARMAsmBackend.cpp lib/Target/Mips/MipsInstrFPU.td lib/Target/Mips/MipsInstrInfo.td lib/Target/X86/X86CodeEmitter.cpp lib/Target/X86/X86Subtarget.h lib/VMCore/Module.cpp test/MC/MachO/ARM/nop-armv4-padding.s tools/Makefile tools/llc/llc.cpp tools/lto/LTOModule.cpp tools/lto/lto.cpp
2013-01-09Revert s/Raw/getBitMask/g name change. This is possibly causing LTO test ↵Bill Wendling
hangings. git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@172020 91177308-0d34-0410-b5e6-96231b3b80d8
2013-01-02Move all of the header files which are involved in modelling the LLVM IRChandler Carruth
into their new header subdirectory: include/llvm/IR. This matches the directory structure of lib, and begins to correct a long standing point of file layout clutter in LLVM. There are still more header files to move here, but I wanted to handle them in separate commits to make tracking what files make sense at each layer easier. The only really questionable files here are the target intrinsic tablegen files. But that's a battle I'd rather not fight today. I've updated both CMake and Makefile build systems (I think, and my tests think, but I may have missed something). I've also re-sorted the includes throughout the project. I'll be committing updates to Clang, DragonEgg, and Polly momentarily. git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@171366 91177308-0d34-0410-b5e6-96231b3b80d8
2012-12-30s/Raw/getBitMask/g to be more in line with current naming conventions. This ↵Bill Wendling
method won't be sticking around. git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@171244 91177308-0d34-0410-b5e6-96231b3b80d8
2012-12-19Rename the 'Attributes' class to 'Attribute'. It's going to represent a ↵Bill Wendling
single attribute in the future. git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@170502 91177308-0d34-0410-b5e6-96231b3b80d8
2012-12-09Reorganize FastMathFlags to be a wrapper around unsigned, and streamline ↵Michael Ilseman
some interfaces. git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@169712 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
2012-12-07s/AttrListPtr/AttributeSet/g to better label what this class is going to be ↵Bill Wendling
in the near future. git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@169651 91177308-0d34-0410-b5e6-96231b3b80d8
2012-12-04Sort includes for all of the .h files under the 'lib' tree. These wereChandler Carruth
missed in the first pass because the script didn't yet handle include guards. Note that the script is now able to handle all of these headers without manual edits. =] git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@169224 91177308-0d34-0410-b5e6-96231b3b80d8
2012-12-03Minor tweaking to SmallVector static size.Michael Ilseman
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@169176 91177308-0d34-0410-b5e6-96231b3b80d8
2012-12-03Since this SmallVector immediately grows on the next line, don't waste stack ↵Michael Ilseman
space. SmallVector is still needed due to existing APIs growing their arguments git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@169157 91177308-0d34-0410-b5e6-96231b3b80d8
2012-12-03Use the new script to sort the includes of every file under lib.Chandler Carruth
Sooooo many of these had incorrect or strange main module includes. I have manually inspected all of these, and fixed the main module include to be the nearest plausible thing I could find. If you own or care about any of these source files, I encourage you to take some time and check that these edits were sensible. I can't have broken anything (I strictly added headers, and reordered them, never removed), but they may not be the headers you'd really like to identify as containing the API being implemented. Many forward declarations and missing includes were added to a header files to allow them to parse cleanly when included first. The main module rule does in fact have its merits. =] git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@169131 91177308-0d34-0410-b5e6-96231b3b80d8
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