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2012-09-21Revise td of X86 atomic instructionsMichael Liao
- Rewirte most atomic instructions in templates for both better maintenance and future extensions, such as HLE in TSX. git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@164357 91177308-0d34-0410-b5e6-96231b3b80d8
2012-09-21docs: Fix Sphinx warning over Atomics.rst.Sean Silva
Atomics.rst was not linked into the toctree. Docs now build warning-free! git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@164356 91177308-0d34-0410-b5e6-96231b3b80d8
2012-09-21docs: Fix Sphinx warning over yaml2obj.rst.Sean Silva
yaml2obj.rst was not included in the toctree Input from Michael Spencer. git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@164355 91177308-0d34-0410-b5e6-96231b3b80d8
2012-09-21Mips16FrameLowering.cpp: Remove unused TII introduced in r164349. ↵NAKAMURA Takumi
[-Wunused-variable] git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@164354 91177308-0d34-0410-b5e6-96231b3b80d8
2012-09-21llvm/test/CodeGen/ARM/fast-isel.ll: Fix possible typos, ↵NAKAMURA Takumi
s/@unaligned_i16_store/@unaligned_i16_load/g. I guess this had apparently passed in +Asserts possibly due to verborsity. git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@164350 91177308-0d34-0410-b5e6-96231b3b80d8
2012-09-21Properly save and restore RA and Mips16 callee save registers S0,S1Akira Hatanaka
Patch by Reed Kotler. git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@164349 91177308-0d34-0410-b5e6-96231b3b80d8
2012-09-21Testcase does not need to be this strict.Chad Rosier
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@164347 91177308-0d34-0410-b5e6-96231b3b80d8
2012-09-21Add newline.Chad Rosier
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@164346 91177308-0d34-0410-b5e6-96231b3b80d8
2012-09-21[fast-isel] Fallback to SelectionDAG isel if we require strict alignment forChad Rosier
non-halfword-aligned i16 loads/stores. rdar://12304911 git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@164345 91177308-0d34-0410-b5e6-96231b3b80d8
2012-09-21Tidy up. Whitespace.Jim Grosbach
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@164344 91177308-0d34-0410-b5e6-96231b3b80d8
2012-09-21Tidy up. Formatting.Jim Grosbach
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@164343 91177308-0d34-0410-b5e6-96231b3b80d8
2012-09-21ARM: Use a dedicated intrinsic for vector bitwise select.Jim Grosbach
The expression based expansion too often results in IR level optimizations splitting the intermediate values into separate basic blocks, preventing the formation of the VBSL instruction as the code author intended. In particular, LICM would often hoist part of the computation out of a loop. rdar://11011471 git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@164340 91177308-0d34-0410-b5e6-96231b3b80d8
2012-09-20Ignore PHI-defs for -new-coalescer interference checks.Jakob Stoklund Olesen
A PHI can't create interference on its own. If two live ranges interfere at a PHI, they must also interfere when leaving one of the PHI predecessors. git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@164330 91177308-0d34-0410-b5e6-96231b3b80d8
2012-09-20Extend -new-coalescer SSA update to handle mapped values as well.Jakob Stoklund Olesen
The old-fashioned many-to-one value mapping doesn't always work when merging vector lanes. A value can map to multiple different values, and it can even be necessary to insert new PHIs. When a value number is defined by a copy from a value number that required SSa update, include the live range of the copied value number in the SSA update as well. It is not necessarily a copy of the original value number any longer. git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@164329 91177308-0d34-0410-b5e6-96231b3b80d8
2012-09-20Only emit DW_AT_object_pointer if this is a definition.Eric Christopher
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@164326 91177308-0d34-0410-b5e6-96231b3b80d8
2012-09-20SimplifyCFG: sink common codes from IF, ELSE blocks down to END block.Manman Ren
We already have HoistThenElseCodeToIf, this patch implements SinkThenElseCodeToEnd. When END block has only two predecessors and each predecessor terminates with unconditional branches, we compare instructions in IF and ELSE blocks backwards and check whether we can sink the common instructions down. rdar://12191395 git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@164325 91177308-0d34-0410-b5e6-96231b3b80d8
2012-09-20Try to make these tests more portable.Evan Cheng
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@164320 91177308-0d34-0410-b5e6-96231b3b80d8
2012-09-20Fix broken check lines.Benjamin Kramer
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@164317 91177308-0d34-0410-b5e6-96231b3b80d8
2012-09-20Fix function names in coding style examplesAndrew Trick
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@164311 91177308-0d34-0410-b5e6-96231b3b80d8
2012-09-20Revert r164308 to fix buildbots.Bill Wendling
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@164309 91177308-0d34-0410-b5e6-96231b3b80d8
2012-09-20Make the 'get*AlignmentFromAttr' functions into member functions within the ↵Bill Wendling
Attributes class. git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@164308 91177308-0d34-0410-b5e6-96231b3b80d8
2012-09-20Remove more bare uses of the different Attribute enums.Bill Wendling
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@164307 91177308-0d34-0410-b5e6-96231b3b80d8
2012-09-20Specify cpu to get the correct instruction ordering. Remove XFAIL.Roman Divacky
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@164306 91177308-0d34-0410-b5e6-96231b3b80d8
2012-09-20Make the 'getAsString' function a method of the Attributes class.Bill Wendling
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@164305 91177308-0d34-0410-b5e6-96231b3b80d8
2012-09-20Fix 80-col violations.Nadav Rotem
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@164297 91177308-0d34-0410-b5e6-96231b3b80d8
2012-09-20Make sure lli compiles all code before invalidating instruction caches.Tim Northover
Patch from Amara Emerson. git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@164296 91177308-0d34-0410-b5e6-96231b3b80d8
2012-09-20Change enum type in a static table to uint8_t instead. Saves about 700 ↵Craig Topper
hundred bytes of static data. Change unsigned char in same table to uint8_t for explicitness. git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@164285 91177308-0d34-0410-b5e6-96231b3b80d8
2012-09-20Specify CPu to prevent failure on ATOM due to different code schedulingMichael Liao
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@164283 91177308-0d34-0410-b5e6-96231b3b80d8
2012-09-20Fix Sphinx warnings.Sean Silva
Toctree was not being interlinked properly. git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@164282 91177308-0d34-0410-b5e6-96231b3b80d8
2012-09-20Re-work X86 code generation of atomic ops with spin-loopMichael Liao
- Rewrite/merge pseudo-atomic instruction emitters to address the following issue: * Reduce one unnecessary load in spin-loop previously the spin-loop looks like thisMBB: newMBB: ld t1 = [bitinstr.addr] op t2 = t1, [bitinstr.val] not t3 = t2 (if Invert) mov EAX = t1 lcs dest = [bitinstr.addr], t3 [EAX is implicit] bz newMBB fallthrough -->nextMBB the 'ld' at the beginning of newMBB should be lift out of the loop as lcs (or CMPXCHG on x86) will load the current memory value into EAX. This loop is refined as: thisMBB: EAX = LOAD [MI.addr] mainMBB: t1 = OP [MI.val], EAX LCMPXCHG [MI.addr], t1, [EAX is implicitly used & defined] JNE mainMBB sinkMBB: * Remove immopc as, so far, all pseudo-atomic instructions has all-register form only, there is no immedidate operand. * Remove unnecessary attributes/modifiers in pseudo-atomic instruction td * Fix issues in PR13458 - Add comprehensive tests on atomic ops on various data types. NOTE: Some of them are turned off due to missing functionality. - Revise tests due to the new spin-loop generated. git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@164281 91177308-0d34-0410-b5e6-96231b3b80d8
2012-09-20Sphinxify DebuggingJITedCodeSean Silva
LGTM by Michael Spencer git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@164280 91177308-0d34-0410-b5e6-96231b3b80d8
2012-09-20Fix static function names in CodingStandards examples.Andrew Trick
Try not to violate conventions immediately before explaining them. git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@164278 91177308-0d34-0410-b5e6-96231b3b80d8
2012-09-19Convert some attribute existence queries over to use the predicate methods.Bill Wendling
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@164268 91177308-0d34-0410-b5e6-96231b3b80d8
2012-09-19ARM: Tidy up IntrinsicsARM.td a bit.Jim Grosbach
Make the TargetPrefix setting one big setting instead of being spread out everywhere. No functional change. git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@164265 91177308-0d34-0410-b5e6-96231b3b80d8
2012-09-19Add predicates for queries on whether an attribute exists.Bill Wendling
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@164264 91177308-0d34-0410-b5e6-96231b3b80d8
2012-09-19Add in new data types that are used by AMDIL/ANL among others.Micah Villmow
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@164261 91177308-0d34-0410-b5e6-96231b3b80d8
2012-09-19Soften the pattern-can-never-match error in TableGen into a warning. This ↵Owen Anderson
pattern can be very useful in cases where you want to define a multiclass that covers both commutative and non-commutative operators (say, add and sub). git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@164256 91177308-0d34-0410-b5e6-96231b3b80d8
2012-09-19Implement a correct copy constructor for Record. Now that we're using the ↵Owen Anderson
ID number as a key in maps (for determinism), it is imperative that ID numbers be globally unique, even when we copy construct a Record. This fixes some obscure failure cases involving registers defined inside multiclasses or foreach constructs that would not receive a unique ID, and would end up being omitted from the AsmMatcher tables. git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@164251 91177308-0d34-0410-b5e6-96231b3b80d8
2012-09-19Resolve conflicts involving dead vector lanes for -new-coalescer.Jakob Stoklund Olesen
A common coalescing conflict in vector code is lane insertion: %dst = FOO %src = BAR %dst:ssub0 = COPY %src The live range of %src interferes with the ssub0 lane of %dst, but that lane is never read after %src would have clobbered it. That makes it safe to merge the live ranges and eliminate the COPY: %dst = FOO %dst:ssub0 = BAR This patch teaches the new coalescer to resolve conflicts where dead vector lanes would be clobbered, at least as long as the clobbered vector lanes don't escape the basic block. git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@164250 91177308-0d34-0410-b5e6-96231b3b80d8
2012-09-19This patch adds memory support functions which will later be used to ↵Andrew Kaylor
implement section-specific protection handling in MCJIT. git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@164249 91177308-0d34-0410-b5e6-96231b3b80d8
2012-09-19Add support for macro parameters/arguments delimited by spaces,Preston Gurd
to improve compatibility with GNU as. Based on a patch by PaX Team. Fixed assertion failures on non-Darwin and added additional test cases. git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@164248 91177308-0d34-0410-b5e6-96231b3b80d8
2012-09-19Add support for accessing an MDNode's operands via the C binding. Patch byDuncan Sands
Anthony Bryant. git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@164247 91177308-0d34-0410-b5e6-96231b3b80d8
2012-09-19Support default parameters/arguments for assembler macros.Preston Gurd
This patch is based on the one by PaX Team. Patch by Andy Zhang! git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@164246 91177308-0d34-0410-b5e6-96231b3b80d8
2012-09-19Enhance unmatched '.endr' directive error message in assembler.Preston Gurd
The directive can be matched with directives other than '.rept' Patch by Andy Zhang! git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@164245 91177308-0d34-0410-b5e6-96231b3b80d8
2012-09-19Unify the logic in SelectAtomicLoadAdd and SelectAtomicLoadArithMichael Liao
- Merge the processing of LOAD_ADD with other atomic load-arith operations - Separate the logic getting target constant for atomic-load-op and add an optimization for atomic-load-add on i16 with negative value - Optimize a minor case for atomic-fetch-add i16 with negative operand. Test case is revised. git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@164243 91177308-0d34-0410-b5e6-96231b3b80d8
2012-09-19Renaming functions to match coding style guidelinesMichael Ilseman
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@164238 91177308-0d34-0410-b5e6-96231b3b80d8
2012-09-19Really XFAIL test/CodeGen/PowerPC/structsinregs.ll.Jordan Rose
XFAIL needs a trailing colon. Hopefully this will get the buildbots happy again while Bill works on getting it passing. git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@164237 91177308-0d34-0410-b5e6-96231b3b80d8
2012-09-19Doxygen-ify commentsMichael Ilseman
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@164235 91177308-0d34-0410-b5e6-96231b3b80d8
2012-09-19XFAIL test/CodeGen/PowerPC/structsinregs.llBill Schmidt
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@164233 91177308-0d34-0410-b5e6-96231b3b80d8
2012-09-19Put the * and & next to the variable, rather than the type.Michael Ilseman
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@164232 91177308-0d34-0410-b5e6-96231b3b80d8
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