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* Mips assembler: Improve set register alias handlingJack Carter2013-05-282-7/+31
| | | | | | | | | | | | | | | | | This patch solves the problem of numeric register values not being accepted: ../set_alias.s:1:11: error: expected valid expression after comma .set r4,$4 ^ The parsing of .set directive is changed and handling of symbols in code as well to enable this feature. The test example is added. Patch by Vladimir Medic git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@182807 91177308-0d34-0410-b5e6-96231b3b80d8
* AArch64: clarify -help messageTim Northover2013-05-281-1/+1
| | | | git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@182804 91177308-0d34-0410-b5e6-96231b3b80d8
* [Mips] Add Mips specific dynamic table entry tags.Simon Atanasyan2013-05-281-1/+100
| | | | git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@182803 91177308-0d34-0410-b5e6-96231b3b80d8
* Add support for llvm.vectorizer metadataPaul Redmond2013-05-2810-87/+380
| | | | | | | | | | | | | | | | | | | | - llvm.loop.parallel metadata has been renamed to llvm.loop to be more generic by making the root of additional loop metadata. - Loop::isAnnotatedParallel now looks for llvm.loop and associated llvm.mem.parallel_loop_access - document llvm.loop and update llvm.mem.parallel_loop_access - add support for llvm.vectorizer.width and llvm.vectorizer.unroll - document llvm.vectorizer.* metadata - add utility class LoopVectorizerHints for getting/setting loop metadata - use llvm.vectorizer.width=1 to indicate already vectorized instead of already_vectorized - update existing tests that used llvm.loop.parallel and llvm.vectorizer.already_vectorized Reviewed by: Nadav Rotem git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@182802 91177308-0d34-0410-b5e6-96231b3b80d8
* [APInt] Implement tcDecrement as a counterpart to tcIncrement. This is for ↵Michael Gottesman2013-05-283-0/+82
| | | | | | | | use in APFloat IEEE-754R 2008 nextUp/nextDown function. rdar://13852078 git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@182801 91177308-0d34-0410-b5e6-96231b3b80d8
* ARM: use pristine object file while processing relocationsTim Northover2013-05-284-18/+26
| | | | | | | | | | | | | | Previously we would read-modify-write the target bits when processing relocations for the MCJIT. This had the problem that when relocations were processed multiple times for the same object file (as they can be), the result is not idempotent and the values became corrupted. The solution to this is to take any bits used in the destination from the pristine object file as LLVM emitted it. This should fix PR16013 and remote MCJIT on ARM ELF targets. git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@182800 91177308-0d34-0410-b5e6-96231b3b80d8
* LTO+Debug Info: correctly emit inlined_subroutine when the inlined callee isManman Ren2013-05-284-13/+171
| | | | | | | | | | | | | from a different CU. We used to print out an error message and fail to generate inlined_subroutine. If we use ref_addr in the generated DWARF, the DWARF version should be 3 or above. rdar://13926659 git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@182791 91177308-0d34-0410-b5e6-96231b3b80d8
* Hexagon: Typo fix.Jyotsna Verma2013-05-281-5/+5
| | | | git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@182790 91177308-0d34-0410-b5e6-96231b3b80d8
* Remove the MCRegAliasIterator tables and compute the aliases dynamically.Chad Rosier2013-05-284-90/+74
| | | | | | | | | | | | | | | | | | | | | The size reduction in the RegDiffLists are rather dramatic. Here are a few size differences for MCTargetDesc.o files (before and after) in bytes: R600 - 36160B - 11184B - 69% reduction ARM - 28480B - 8368B - 71% reduction Mips - 816B - 576B - 29% reduction One side effect of dynamically computing the aliases is that the iterator does not guarantee that the entries are ordered or that duplicates have been removed. The documentation implies this is a safe assumption and I found no clients that requires these attributes (i.e., strict ordering and uniqueness). My local LNT tester results showed no execution-time failures or significant compile-time regressions (i.e., beyond what I would consider noise) for -O0g, -O2 and -O3 runs on x86_64 and i386 configurations. rdar://12906217 git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@182783 91177308-0d34-0410-b5e6-96231b3b80d8
* Simplify code. No functionality change.Benjamin Kramer2013-05-281-3/+2
| | | | git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@182779 91177308-0d34-0410-b5e6-96231b3b80d8
* Remove double semicolons.Benjamin Kramer2013-05-283-62/+62
| | | | git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@182778 91177308-0d34-0410-b5e6-96231b3b80d8
* Extend RemapInstruction and friends to take an optional new parameter, a ↵James Molloy2013-05-286-69/+141
| | | | | | | | ValueMaterializer. Extend LinkModules to pass a ValueMaterializer to RemapInstruction and friends to lazily create Functions for lazily linked globals. This is a big win when linking small modules with large (mostly unused) library modules. git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@182776 91177308-0d34-0410-b5e6-96231b3b80d8
* [msan] Fix argument shadow alignment.Evgeniy Stepanov2013-05-282-4/+51
| | | | git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@182771 91177308-0d34-0410-b5e6-96231b3b80d8
* TypoRenato Golin2013-05-281-1/+1
| | | | git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@182766 91177308-0d34-0410-b5e6-96231b3b80d8
* [SystemZ] Register compare-and-branch supportRichard Sandiford2013-05-2826-77/+1342
| | | | | | | | | | | | | | | This patch adds support for the CRJ and CGRJ instructions. Support for the immediate forms will be a separate patch. The architecture has a large number of comparison instructions. I think it's generally better to concentrate on using the "best" comparison instruction first and foremost, then only use something like CRJ if CR really was the natual choice of comparison instruction. The patch therefore opportunistically converts separate CR and BRC instructions into a single CRJ while emitting instructions in ISelLowering. git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@182764 91177308-0d34-0410-b5e6-96231b3b80d8
* Linking ReleaseProcess doc with the worldRenato Golin2013-05-283-1/+7
| | | | git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@182763 91177308-0d34-0410-b5e6-96231b3b80d8
* [SystemZ] Tweak SystemZInstrInfo::isBranch() interfaceRichard Sandiford2013-05-283-33/+34
| | | | | | | | This is needed for the upcoming compare-and-branch patch. No functional change intended. git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@182762 91177308-0d34-0410-b5e6-96231b3b80d8
* Revert r182715 and r182758Alexey Samsonov2013-05-281-7/+5
| | | | git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@182761 91177308-0d34-0410-b5e6-96231b3b80d8
* Adding ReleaseProcess docRenato Golin2013-05-281-0/+198
| | | | git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@182759 91177308-0d34-0410-b5e6-96231b3b80d8
* Fixup for r182715: provide correct arg to --gtest-filterAlexey Samsonov2013-05-281-1/+1
| | | | git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@182758 91177308-0d34-0410-b5e6-96231b3b80d8
* Make BasicAliasAnalysis recognize the fact a noalias argument cannot alias ↵Michael Kuperstein2013-05-284-4/+51
| | | | | | another argument, even if the other argument is not itself marked noalias. git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@182755 91177308-0d34-0410-b5e6-96231b3b80d8
* Make it explicit that GlobalAlias are ok in llvm.used.Rafael Espindola2013-05-271-5/+4
| | | | | | No functionality change. git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@182747 91177308-0d34-0410-b5e6-96231b3b80d8
* Make helper functions static.Rafael Espindola2013-05-274-113/+65
| | | | | | And remove header and cpp file that are empty after that. git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@182746 91177308-0d34-0410-b5e6-96231b3b80d8
* Convert sqrt functions into sqrt instructions when -ffast-math is in effect.Preston Gurd2013-05-274-0/+74
| | | | | | | | | | | | | | | | When -ffast-math is in effect (on Linux, at least), clang defines __FINITE_MATH_ONLY__ > 0 when including <math.h>. This causes the preprocessor to include <bits/math-finite.h>, which renames the sqrt functions. For instance, "sqrt" is renamed as "__sqrt_finite". This patch adds the 3 new names in such a way that they will be treated as equivalent to their respective original names. git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@182739 91177308-0d34-0410-b5e6-96231b3b80d8
* Add a cpu to try to bring back the atom bots.Rafael Espindola2013-05-271-1/+1
| | | | git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@182734 91177308-0d34-0410-b5e6-96231b3b80d8
* PPC: Add a isConsecutiveLS utility functionHal Finkel2013-05-271-2/+42
| | | | | | | | | | | | | isConsecutiveLS is a slightly more general form of SelectionDAG::isConsecutiveLoad. Aside from also handling stores, it also does not assume equality of the chain operands is necessary. In the case of the PPC backend, this chain condition is checked in a more general way by the surrounding code. Mostly, this part of the refactoring in preparation for supporting optimized unaligned stores. git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@182723 91177308-0d34-0410-b5e6-96231b3b80d8
* llvm-objdump.cpp: Appease MSC16 x64. utostr(n++) causes internal compiler error.NAKAMURA Takumi2013-05-271-1/+2
| | | | git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@182722 91177308-0d34-0410-b5e6-96231b3b80d8
* Prefer to duplicate PPC Altivec loads when expanding unaligned loadsHal Finkel2013-05-262-15/+92
| | | | | | | | | | | | | | | | | | | When expanding unaligned Altivec loads, we use the decremented offset trick to prevent page faults. Unfortunately, if we have a sequence of consecutive unaligned loads, this leads to suboptimal code generation because the 'extra' load from the first unaligned load can be combined with the base load from the second (but only if the decremented offset trick is not used for the first). Search up and down the chain, through loads and token factors, looking for consecutive loads, and if one is found, don't use the offset reduction trick. These duplicate loads are later combined to yield the desired sequence (in the future, we might want a more-powerful chain search, but that will require some changes to allow the combiner routines to access the AA object). This should complete the initial implementation of the optimized unaligned Altivec load expansion. There is some refactoring that should be done, but that will happen when the unaligned store expansion is added. git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@182719 91177308-0d34-0410-b5e6-96231b3b80d8
* Add LDC compiler to list of external OS projects using LLVM 3.3Kai Nacke2013-05-261-0/+15
| | | | git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@182718 91177308-0d34-0410-b5e6-96231b3b80d8
* Fix PR16143: Insert DEBUG_VALUE before terminator.Andrew Trick2013-05-262-1/+131
| | | | git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@182717 91177308-0d34-0410-b5e6-96231b3b80d8
* Fixed bug when tests in executable partially used absolute paths.Galina Kistanova2013-05-261-5/+7
| | | | git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@182715 91177308-0d34-0410-b5e6-96231b3b80d8
* Disable the StringMapEntry copy constructor, to make sure weChris Lattner2013-05-251-0/+1
| | | | | | | | | reject things like: "for (auto Entry : SomeStringMap)". Previously this would copy the value but not the tail allocated string data (the key). git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@182713 91177308-0d34-0410-b5e6-96231b3b80d8
* Add support for DWARF line number table entries for values in the instructionCameron Zwarich2013-05-252-4/+12
| | | | | | stream. git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@182712 91177308-0d34-0410-b5e6-96231b3b80d8
* Add some comments to the stringify function.Eric Christopher2013-05-251-0/+2
| | | | git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@182710 91177308-0d34-0410-b5e6-96231b3b80d8
* PPC: Combine duplicate (offset) lvsl Altivec intrinsicsHal Finkel2013-05-252-1/+34
| | | | | | | | | The lvsl permutation control instruction is a function only of the alignment of the pointer operand (relative to the 16-byte natural alignment of Altivec vectors). As a result, multiple lvsl intrinsics where the operands differ by a multiple of 16 can be combined. git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@182708 91177308-0d34-0410-b5e6-96231b3b80d8
* Track IR ordering of SelectionDAG nodes 4/4.Andrew Trick2013-05-253-0/+49
| | | | | | Unit test cases for -pre-RA-sched=source. git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@182706 91177308-0d34-0410-b5e6-96231b3b80d8
* Track IR ordering of SelectionDAG nodes 3/4.Andrew Trick2013-05-2517-190/+31
| | | | | | | Remove the old IR ordering mechanism and switch to new one. Fix unit test failures. git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@182704 91177308-0d34-0410-b5e6-96231b3b80d8
* Track IR ordering of SelectionDAG nodes 2/4.Andrew Trick2013-05-2574-2190/+2187
| | | | | | | Change SelectionDAG::getXXXNode() interfaces as well as call sites of these functions to pass in SDLoc instead of DebugLoc. git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@182703 91177308-0d34-0410-b5e6-96231b3b80d8
* Track IR ordering of SelectionDAG nodes 1/4.Andrew Trick2013-05-253-7/+77
| | | | | | | | Use a field in the SelectionDAGNode object to track its IR ordering. This adds fields and utility classes without changing existing interfaces or functionality. git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@182701 91177308-0d34-0410-b5e6-96231b3b80d8
* Fix RecyclingAllocator::PrintStats to print the underlying allocator's stats.Andrew Trick2013-05-251-1/+4
| | | | git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@182700 91177308-0d34-0410-b5e6-96231b3b80d8
* Add to testsuite.Eric Christopher2013-05-241-0/+1
| | | | git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@182693 91177308-0d34-0410-b5e6-96231b3b80d8
* ArrayRef-ize MD5 and clean up a few variable names.Eric Christopher2013-05-243-24/+85
| | | | | | | Add a stringize method to make dumping a bit easier, and add a testcase exercising a few different paths. git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@182692 91177308-0d34-0410-b5e6-96231b3b80d8
* PPC: Initial support for permutation-based unaligned Altivec loadsHal Finkel2013-05-242-0/+174
| | | | | | | | | | | | | | | | | | Altivec only directly supports aligned loads, but the loads have a strange property: If given an unaligned address, they truncate the address to the next lower aligned address, and load from there. This property, along with an extra load and some special-purpose permutation-control instructions that generate the appropriate permutations from the original unaligned address, allow efficient lowering of aligned loads. This code uses the trick explained in the Apple Velocity Engine optimization overview document to prevent the needed extra load from possibly causing a page fault if the original address happens to be aligned. As noted in the FIXMEs, there are several additional optimizations that can be performed to reduce the cost of these loads even more. These will be implemented in future commits. git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@182691 91177308-0d34-0410-b5e6-96231b3b80d8
* [Support] Remove Count{Leading,Trailing}Zeros_{32,64}.Michael J. Spencer2013-05-242-133/+15
| | | | git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@182690 91177308-0d34-0410-b5e6-96231b3b80d8
* Tidy up. Whitespace.Jim Grosbach2013-05-241-11/+11
| | | | git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@182689 91177308-0d34-0410-b5e6-96231b3b80d8
* Follow up of the introduction of MCSymbolizer.Quentin Colombet2013-05-248-19/+116
| | | | | | | | - Ressurect old MCDisassemble API to soften transition. - Extend MCTargetDesc to set target specific symbolizer. git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@182688 91177308-0d34-0410-b5e6-96231b3b80d8
* clang formatted APFloat.hMichael Gottesman2013-05-241-349/+344
| | | | git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@182686 91177308-0d34-0410-b5e6-96231b3b80d8
* clang-formatted APInt.hMichael Gottesman2013-05-241-290/+160
| | | | git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@182685 91177308-0d34-0410-b5e6-96231b3b80d8
* MathExtras: Return the result of find(First|Last)Set in the input type.Benjamin Kramer2013-05-241-4/+4
| | | | | | Otherwise ZB_Max returns a wrong result when sizeof(T) > sizeof(size_t). git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@182684 91177308-0d34-0410-b5e6-96231b3b80d8
* Replace Count{Leading,Trailing}Zeros_{32,64} with count{Leading,Trailing}Zeros.Michael J. Spencer2013-05-2440-104/+104
| | | | git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@182680 91177308-0d34-0410-b5e6-96231b3b80d8
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