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* Add 'empty' query methods to the builder and use them in the verifier.Bill Wendling2013-02-101-0/+4
| | | | git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@174832 91177308-0d34-0410-b5e6-96231b3b80d8
* ok, ok, stop fighting type punning warnings by just using a union.Chris Lattner2013-02-101-6/+9
| | | | git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@174827 91177308-0d34-0410-b5e6-96231b3b80d8
* hopefully "really" fix a type punning warning by defining the buffer asChris Lattner2013-02-101-3/+4
| | | | | | | 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
* attempt to defeat a gcc warning that is breaking a -Werror buildbot.Chris Lattner2013-02-101-1/+1
| | | | git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@174825 91177308-0d34-0410-b5e6-96231b3b80d8
* Add accessor for the LLVMContext.Bill Wendling2013-02-101-0/+3
| | | | git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@174824 91177308-0d34-0410-b5e6-96231b3b80d8
* Remove unneeded "TargetMachine.h" #includes.Jakub Staszak2013-02-091-1/+1
| | | | git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@174817 91177308-0d34-0410-b5e6-96231b3b80d8
* Add a DenseMapInfo class for the AttributeSet.Bill Wendling2013-02-091-13/+35
| | | | | | | We are going to place the AttributeSet into a DenseMap during assembly writing. git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@174812 91177308-0d34-0410-b5e6-96231b3b80d8
* Simplify code.Jakub Staszak2013-02-091-2/+1
| | | | git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@174807 91177308-0d34-0410-b5e6-96231b3b80d8
* Remove unneeded #includes.Jakub Staszak2013-02-092-2/+0
| | | | git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@174806 91177308-0d34-0410-b5e6-96231b3b80d8
* This is the correct version of r174802.Chris Lattner2013-02-091-2/+2
| | | | git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@174804 91177308-0d34-0410-b5e6-96231b3b80d8
* Fix a nasty off-by one error that only manifests with 64-bit word size (which isChris Lattner2013-02-091-1/+1
| | | | | | | not enabled yet). git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@174803 91177308-0d34-0410-b5e6-96231b3b80d8
* Fix the underlying problem that was causing read(0) to be called: sometimes theChris Lattner2013-02-091-2/+2
| | | | | | | | | | | | | | | | | | 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
* recommit r173072 (preparing bitstream reader to read a machine word at a time,Chris Lattner2013-02-091-21/+51
| | | | | | | | | | | | 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
* Remove trailing spaces.Jakub Staszak2013-02-091-37/+37
| | | | git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@174791 91177308-0d34-0410-b5e6-96231b3b80d8
* Remove unneeded #includes.Jakub Staszak2013-02-091-2/+0
| | | | git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@174790 91177308-0d34-0410-b5e6-96231b3b80d8
* Remove #includes from the commonly used LoopInfo.h.Jakub Staszak2013-02-092-2/+1
| | | | git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@174786 91177308-0d34-0410-b5e6-96231b3b80d8
* Remove the old liveness algorithm.Jakob Stoklund Olesen2013-02-091-25/+0
| | | | | | 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
* Enable *BasicBlockPass::createPrinterPass()Sergei Larin2013-02-083-0/+8
| | | | | | | | Enables raw_ostream I/O for BasicBlockPass. git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@174776 91177308-0d34-0410-b5e6-96231b3b80d8
* Revert "Add LLVMContext::emitWarning methods and use them. ↵Bob Wilson2013-02-081-6/+0
| | | | | | | | | | | | | <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
* Revert 172027 and 174336. Remove diagnostics about over-aligned stack objects.Bob Wilson2013-02-081-16/+3
| | | | | | | | | | | | 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
* ARM cost model: Address computation in vector mem ops not freeArnold Schwaighofer2013-02-081-0/+6
| | | | | | | | | | | | | | | 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
* [Object][ELF] Add a way to get the dynamic symbol table section.Michael J. Spencer2013-02-071-0/+4
| | | | git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@174682 91177308-0d34-0410-b5e6-96231b3b80d8
* [Object][ELF] Add {begin,end}_elf_dynamic_symbols to non-virtually iterate ↵Michael J. Spencer2013-02-071-28/+43
| | | | | | over dynamic symbols. git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@174681 91177308-0d34-0410-b5e6-96231b3b80d8
* ADT: Correct APInt::getActiveWords for zero valuesMeador Inge2013-02-071-1/+2
| | | | | | | | | | 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
* [Object][ELF] Fix crash on no dynamic section.Michael J. Spencer2013-02-071-3/+5
| | | | git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@174639 91177308-0d34-0410-b5e6-96231b3b80d8
* 80-colMichael J. Spencer2013-02-071-5/+10
| | | | git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@174572 91177308-0d34-0410-b5e6-96231b3b80d8
* [Object][ELF] Do the actual devirtualization.Michael J. Spencer2013-02-071-2/+2
| | | | git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@174568 91177308-0d34-0410-b5e6-96231b3b80d8
* [Object][ELF] Devirtualize and simplify dynamic table iteration.Michael J. Spencer2013-02-071-182/+70
| | | | git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@174566 91177308-0d34-0410-b5e6-96231b3b80d8
* Fix CMake detection of various cmath functions, and XFAIL the test on ↵Owen Anderson2013-02-071-0/+18
| | | | | | 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
* Conditionalize constant folding of math intrinsics on the availability of an ↵Owen Anderson2013-02-071-0/+15
| | | | | | 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
* [Support][ErrorOr] Add support for convertable types.Michael J. Spencer2013-02-061-42/+94
| | | | | | 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
* Improve comment.Bill Wendling2013-02-061-2/+6
| | | | git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@174536 91177308-0d34-0410-b5e6-96231b3b80d8
* Allow targets to add custom asm operand matching logic.Jim Grosbach2013-02-061-0/+9
| | | | | | | | | | 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
* Add a 'StringRef' version of hasAttribute.Bill Wendling2013-02-061-0/+4
| | | | | | | | 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
* Add methods to merge an AttrBuilder into another builder.Bill Wendling2013-02-061-0/+7
| | | | | | | | | 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
* Add the target-dependent (string) attributes from the AttrBuilder to the ↵Bill Wendling2013-02-051-0/+15
| | | | | | AttributeSet. git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@174467 91177308-0d34-0410-b5e6-96231b3b80d8
* Initial support for DWARF CFI parsing and dumping in LLVMEli Bendersky2013-02-052-2/+12
| | | | git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@174463 91177308-0d34-0410-b5e6-96231b3b80d8
* Be consistent about the field name - AddressSize, not PointerSize. AddEli Bendersky2013-02-051-9/+11
| | | | | | | a setter and fix some comments. git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@174462 91177308-0d34-0410-b5e6-96231b3b80d8
* Revert "[Support][ErrorOr] Add support for convertable types."Andrew Trick2013-02-051-5/+3
| | | | | | | | | 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
* Convert to storing the attribute's internals as enums, integers, and strings.Bill Wendling2013-02-051-12/+28
| | | | | | | | | 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
* Dwarf: support for LTO where a single object file can have multiple line tablesManman Ren2013-02-052-6/+44
| | | | | | | | | | 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
* Remove liveout lists from MachineRegisterInfo.Jakob Stoklund Olesen2013-02-051-11/+4
| | | | | | | | 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
* [MC] Bundle alignment: Invalidate relaxed fragmentsDerek Schuff2013-02-051-3/+4
| | | | | | | | | | | | | | | | 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
* Format comments & clean whitespaceEli Bendersky2013-02-051-5/+4
| | | | git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@174396 91177308-0d34-0410-b5e6-96231b3b80d8
* Fix comment formattingEli Bendersky2013-02-051-6/+3
| | | | git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@174388 91177308-0d34-0410-b5e6-96231b3b80d8
* Support: ensure proper state in ErrorOr copy ctors before calling 'get'Meador Inge2013-02-051-7/+4
| | | | | | | | | | | 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
* This patch that sets the Mips ELF header flag for Jack Carter2013-02-051-1/+2
| | | | | | | | | | MicroMips architectures. Contributer: Zoran Jovanovic git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@174360 91177308-0d34-0410-b5e6-96231b3b80d8
* [Support][ErrorOr] Add support for convertable types.Michael J. Spencer2013-02-051-3/+5
| | | | git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@174357 91177308-0d34-0410-b5e6-96231b3b80d8
* Add target-dependent versions of addAttribute/removeAttribute to AttrBuilder.Bill Wendling2013-02-051-0/+8
| | | | git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@174356 91177308-0d34-0410-b5e6-96231b3b80d8
* Changed in comment cxx -> C++. Thanks Richard Smith!.Michael Gottesman2013-02-051-2/+2
| | | | git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@174355 91177308-0d34-0410-b5e6-96231b3b80d8
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