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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
2013-02-09Remove trailing spaces.Jakub Staszak
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@174791 91177308-0d34-0410-b5e6-96231b3b80d8
2013-02-09Remove unneeded #includes.Jakub Staszak
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@174790 91177308-0d34-0410-b5e6-96231b3b80d8
2013-02-09Remove #includes from the commonly used LoopInfo.h.Jakub Staszak
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@174786 91177308-0d34-0410-b5e6-96231b3b80d8
2013-02-09Remove the old liveness algorithm.Jakob Stoklund Olesen
This is part of the plan to delete LiveVariables. git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@174783 91177308-0d34-0410-b5e6-96231b3b80d8
2013-02-08Enable *BasicBlockPass::createPrinterPass()Sergei Larin
Enables raw_ostream I/O for BasicBlockPass. git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@174776 91177308-0d34-0410-b5e6-96231b3b80d8
2013-02-08Revert "Add LLVMContext::emitWarning methods and use them. ↵Bob Wilson
<rdar://problem/12867368>" This reverts r171041. This was a nice idea that didn't work out well. Clang warnings need to be associated with warning groups so that they can be selectively disabled, promoted to errors, etc. This simplistic patch didn't allow for that. Enhancing it to provide some way for the backend to specify a front-end warning type seems like overkill for the few uses of this, at least for now. git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@174748 91177308-0d34-0410-b5e6-96231b3b80d8
2013-02-08Revert 172027 and 174336. Remove diagnostics about over-aligned stack objects.Bob Wilson
Aside from the question of whether we report a warning or an error when we can't satisfy a requested stack object alignment, the current implementation of this is not good. We're not providing any source location in the diagnostics and the current warning is not connected to any warning group so you can't control it. We could improve the source location somewhat, but we can do a much better job if this check is implemented in the front-end, so let's do that instead. <rdar://problem/13127907> git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@174741 91177308-0d34-0410-b5e6-96231b3b80d8
2013-02-08ARM cost model: Address computation in vector mem ops not freeArnold Schwaighofer
Adds a function to target transform info to query for the cost of address computation. The cost model analysis pass now also queries this interface. The code in LoopVectorize adds the cost of address computation as part of the memory instruction cost calculation. Only there, we know whether the instruction will be scalarized or not. Increase the penality for inserting in to D registers on swift. This becomes necessary because we now always assume that address computation has a cost and three is a closer value to the architecture. radar://13097204 git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@174713 91177308-0d34-0410-b5e6-96231b3b80d8
2013-02-07[Object][ELF] Add a way to get the dynamic symbol table section.Michael J. Spencer
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@174682 91177308-0d34-0410-b5e6-96231b3b80d8
2013-02-07[Object][ELF] Add {begin,end}_elf_dynamic_symbols to non-virtually iterate ↵Michael J. Spencer
over dynamic symbols. git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@174681 91177308-0d34-0410-b5e6-96231b3b80d8
2013-02-07ADT: Correct APInt::getActiveWords for zero valuesMeador Inge
PR15138 was opened because of a segfault in the Bitcode writer. The actual issue ended up being a bug in APInt where calls to APInt::getActiveWords returns a bogus value when the APInt value is 0. This patch fixes the problem by ensuring that getActiveWords returns 1 for 0 valued APInts. git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@174641 91177308-0d34-0410-b5e6-96231b3b80d8
2013-02-07[Object][ELF] Fix crash on no dynamic section.Michael J. Spencer
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@174639 91177308-0d34-0410-b5e6-96231b3b80d8
2013-02-0780-colMichael J. Spencer
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@174572 91177308-0d34-0410-b5e6-96231b3b80d8
2013-02-07[Object][ELF] Do the actual devirtualization.Michael J. Spencer
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@174568 91177308-0d34-0410-b5e6-96231b3b80d8
2013-02-07[Object][ELF] Devirtualize and simplify dynamic table iteration.Michael J. Spencer
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@174566 91177308-0d34-0410-b5e6-96231b3b80d8
2013-02-07Fix CMake detection of various cmath functions, and XFAIL the test on ↵Owen Anderson
platforms that are known to be missing them. git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@174564 91177308-0d34-0410-b5e6-96231b3b80d8
2013-02-07Conditionalize constant folding of math intrinsics on the availability of an ↵Owen Anderson
implementation on the host. This is a little bit unfortunate, but until someone decides to implement a full libm for APFloat, we don't have a better way to get this functionality. git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@174561 91177308-0d34-0410-b5e6-96231b3b80d8
2013-02-06[Support][ErrorOr] Add support for convertable types.Michael J. Spencer
Thanks to Andrew, David, and Aaron for helping fix this. git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@174552 91177308-0d34-0410-b5e6-96231b3b80d8
2013-02-06Improve comment.Bill Wendling
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@174536 91177308-0d34-0410-b5e6-96231b3b80d8
2013-02-06Allow targets to add custom asm operand matching logic.Jim Grosbach
For example, ARM has several instructions with a literal '#0' immediate in the syntax that's not represented as an actual operand. The asm matcher is expected a token operand, but the parser will have created an immediate operand. This is currently handled by dedicated per-instruction C++ munging of the ParsedAsmOperand list, but will be better handled by this hook. git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@174487 91177308-0d34-0410-b5e6-96231b3b80d8
2013-02-06Add a 'StringRef' version of hasAttribute.Bill Wendling
Fix the 'operator==' and 'hasAttributes' queries to take into account target-dependent attributes. git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@174481 91177308-0d34-0410-b5e6-96231b3b80d8
2013-02-06Add methods to merge an AttrBuilder into another builder.Bill Wendling
This is useful when parsing an object that references multiple attribute groups. N.B. If both builders have alignments specified, then they should match! git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@174480 91177308-0d34-0410-b5e6-96231b3b80d8
2013-02-05Add the target-dependent (string) attributes from the AttrBuilder to the ↵Bill Wendling
AttributeSet. git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@174467 91177308-0d34-0410-b5e6-96231b3b80d8
2013-02-05Initial support for DWARF CFI parsing and dumping in LLVMEli Bendersky
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@174463 91177308-0d34-0410-b5e6-96231b3b80d8
2013-02-05Be consistent about the field name - AddressSize, not PointerSize. AddEli Bendersky
a setter and fix some comments. git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@174462 91177308-0d34-0410-b5e6-96231b3b80d8
2013-02-05Revert "[Support][ErrorOr] Add support for convertable types."Andrew Trick
This reverts commit a33e1fafac7fedb1b080ef07ddf9ad6ddff3a830. This unit test crashes on Darwon. It needs to be temporarily reverted to unblock the test infrastructure. git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@174458 91177308-0d34-0410-b5e6-96231b3b80d8
2013-02-05Convert to storing the attribute's internals as enums, integers, and strings.Bill Wendling
The stuff we're handing are all enums (Attribute::AttrKind), integers and strings. Don't convert them to Constants, which is an unnecessary step here. The rest of the changes are mostly mechanical. git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@174456 91177308-0d34-0410-b5e6-96231b3b80d8
2013-02-05Dwarf: support for LTO where a single object file can have multiple line tablesManman Ren
We generate one line table for each compilation unit in the object file. Reviewed by Eric and Kevin. rdar://problem/13067005 git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@174445 91177308-0d34-0410-b5e6-96231b3b80d8
2013-02-05Remove liveout lists from MachineRegisterInfo.Jakob Stoklund Olesen
All targets are now adding return value registers as implicit uses on return instructions, and there is no longer a need for the live out lists. git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@174417 91177308-0d34-0410-b5e6-96231b3b80d8
2013-02-05[MC] Bundle alignment: Invalidate relaxed fragmentsDerek Schuff
Currently, when a fragment is relaxed, its size is modified, but its offset is not (it gets laid out as a side effect of checking whether it needs relaxation), then all subsequent fragments are invalidated because their offsets need to change. When bundling is enabled, relaxed fragments need to get laid out again, because the increase in size may push it over a bundle boundary. So instead of only invalidating subsequent fragments, also invalidate the fragment that gets relaxed, which causes it to get laid out again. This patch also fixes some trailing whitespace and fixes the bundling-related debug output of MCFragments. git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@174401 91177308-0d34-0410-b5e6-96231b3b80d8
2013-02-05Format comments & clean whitespaceEli Bendersky
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@174396 91177308-0d34-0410-b5e6-96231b3b80d8
2013-02-05Fix comment formattingEli Bendersky
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@174388 91177308-0d34-0410-b5e6-96231b3b80d8
2013-02-05Support: ensure proper state in ErrorOr copy ctors before calling 'get'Meador Inge
Some paths through the copy constructors for 'ErrorOr' were calling 'get' when 'HasError' and 'IsValid' were not properly initialized. Depending on what happened to be in memory for those member variables the asserts in 'get' might incorrectly fire. Fixed by ensuring that the member variables in question are always initialized before calling 'get'. git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@174381 91177308-0d34-0410-b5e6-96231b3b80d8
2013-02-05This patch that sets the Mips ELF header flag for Jack Carter
MicroMips architectures. Contributer: Zoran Jovanovic git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@174360 91177308-0d34-0410-b5e6-96231b3b80d8
2013-02-05[Support][ErrorOr] Add support for convertable types.Michael J. Spencer
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@174357 91177308-0d34-0410-b5e6-96231b3b80d8
2013-02-05Add target-dependent versions of addAttribute/removeAttribute to AttrBuilder.Bill Wendling
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@174356 91177308-0d34-0410-b5e6-96231b3b80d8
2013-02-05Changed in comment cxx -> C++. Thanks Richard Smith!.Michael Gottesman
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@174355 91177308-0d34-0410-b5e6-96231b3b80d8
2013-02-05This patch changes a static_cast to dyn_castJack Carter
for MipsELFStreamer objects. Contributer: Jack Carter git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@174354 91177308-0d34-0410-b5e6-96231b3b80d8
2013-02-05Add code to GlobalVariable.h so that global variables marked asMichael Gottesman
externally_initialized return false for hasDefiniteInitializer and hasUniqueInitializer. rdar://12580965. git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@174345 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
2013-02-04SelectionDAG: Teach FoldConstantArithmetic how to deal with vectors.Benjamin Kramer
This required disabling a PowerPC optimization that did the following: input: x = BUILD_VECTOR <i32 16, i32 16, i32 16, i32 16> lowered to: tmp = BUILD_VECTOR <i32 8, i32 8, i32 8, i32 8> x = ADD tmp, tmp The add now gets folded immediately and we're back at the BUILD_VECTOR we started from. I don't see a way to fix this currently so I left it disabled for now. Fix some trivially foldable X86 tests too. git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@174325 91177308-0d34-0410-b5e6-96231b3b80d8
2013-02-04More MSan/ASan annotations.Evgeniy Stepanov
This change lets us bootstrap LLVM/Clang under ASan and MSan. It contains fixes for 2 issues: - X86JIT reads return address from stack, which MSan does not know is initialized. - bugpoint tests run binaries with RLIMIT_AS. This does not work with certain Sanitizers. We are no longer including config.h in Compiler.h with this change. git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@174306 91177308-0d34-0410-b5e6-96231b3b80d8
2013-02-03Added instance variable/initializers/getter/setters for new keyword ↵Michael Gottesman
externally initialized to GlobalVariable. No *TRUE* functionality change. I am going to add in the actual test cases with the actual functionality changes in a later patch because I want to include some test cases. To be clear when I say no *TRUE* functionality change I mean that this patch (like it says in the title) only contains getters/setters and sets up a default initial value of the instance variable to false so that this patch does not affect any other uses of Global Variable.h. git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@174295 91177308-0d34-0410-b5e6-96231b3b80d8
2013-02-03[Object][Archive] Improve performance.Michael J. Spencer
Improve performance of iterating over children and accessing the member file buffer by caching the file size and moving code out to the header. This also makes getBuffer return a StringRef instead of a MemoryBuffer. Both fixing a memory leak and removing a malloc. This takes getBuffer from ~10% of the time in lld to unmeasurable. git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@174272 91177308-0d34-0410-b5e6-96231b3b80d8
2013-02-03[Support] Add LLVM_IS_UNALIGNED_ACCESS_FAST.Michael J. Spencer
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@174271 91177308-0d34-0410-b5e6-96231b3b80d8
2013-02-02Remove AttrBuilder::Raw().Bill Wendling
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@174251 91177308-0d34-0410-b5e6-96231b3b80d8
2013-02-02Correct indentation for dumping LexicalScope.Manman Ren
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@174237 91177308-0d34-0410-b5e6-96231b3b80d8
2013-02-01Change the AttributeImpl to hold a single Constant* for the values.Bill Wendling
This Constant could be an aggregate to represent multiple values. git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@174228 91177308-0d34-0410-b5e6-96231b3b80d8
2013-02-01Remove one of the odious 'Raw' methods.Bill Wendling
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@174130 91177308-0d34-0410-b5e6-96231b3b80d8
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