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* Clean up aliases for ARM VLD1 single-lane assembly parsing a bit.Jim Grosbach2011-12-02
| | | | | | Add the 16-bit lane variants while I'm at it. git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@145693 91177308-0d34-0410-b5e6-96231b3b80d8
* Add instruction selection support for horizontal add/sub of 256-bit floating ↵Craig Topper2011-12-02
| | | | | | point vectors. Also add the test case for 256-bit integer vectors. git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@145680 91177308-0d34-0410-b5e6-96231b3b80d8
* adjust the instruction ordering in some PPC tests: changes due to postRA ↵Hal Finkel2011-12-02
| | | | | | haz. rec. git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@145678 91177308-0d34-0410-b5e6-96231b3b80d8
* Prevent library calls from being folded if -fno-builtin has been specified.Chad Rosier2011-12-01
| | | | | | rdar://10500969 git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@145639 91177308-0d34-0410-b5e6-96231b3b80d8
* Improved fix for abs(val) != 0 to check other similar case. Also fixed ↵Pete Cooper2011-12-01
| | | | | | style issues and confusing comment git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@145618 91177308-0d34-0410-b5e6-96231b3b80d8
* For 64-bit the rest of the general regs are ok for the q constraint. MakeEric Christopher2011-12-01
| | | | | | | | sure we can emit both the high and low versions of those registers. Fixes rdar://10392864 git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@145579 91177308-0d34-0410-b5e6-96231b3b80d8
* Pass AVX vectors which are arguments to varargs functions on the stack. ↵Eli Friedman2011-12-01
| | | | | | <rdar://problem/10463281>. git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@145573 91177308-0d34-0410-b5e6-96231b3b80d8
* Removed use of grep from test and moved it to be with other icmp testsPete Cooper2011-12-01
| | | | git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@145570 91177308-0d34-0410-b5e6-96231b3b80d8
* Added instcombine pattern to spot comparing -val or val against 0.Pete Cooper2011-12-01
| | | | | | | | | (val != 0) == (-val != 0) so "abs(val) != 0" becomes "val != 0" Fixes <rdar://problem/10482509> git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@145563 91177308-0d34-0410-b5e6-96231b3b80d8
* Support for encoding all FMA4 instructions and tablegen patterns for allJan Sjödin2011-11-30
| | | | | | | | remaining FMA4 instructions and intrinsics with tests. git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@145525 91177308-0d34-0410-b5e6-96231b3b80d8
* Make GlobalMerge honor the preferred alignment on globals without an ↵Eli Friedman2011-11-30
| | | | | | | | | | explicitly specified alignment. <rdar://problem/10497732>. git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@145523 91177308-0d34-0410-b5e6-96231b3b80d8
* Add some tests for all-lanes VLD1 parsing.Jim Grosbach2011-11-30
| | | | git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@145512 91177308-0d34-0410-b5e6-96231b3b80d8
* Add test arch to make it pass on non x86 targetsNadav Rotem2011-11-30
| | | | git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@145498 91177308-0d34-0410-b5e6-96231b3b80d8
* Add a tripple to the testNadav Rotem2011-11-30
| | | | git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@145489 91177308-0d34-0410-b5e6-96231b3b80d8
* X86: PerformOrCombine introduced a vselect node with a wrong order of ↵Nadav Rotem2011-11-30
| | | | | | operands. This bug was introduced when a dedicated blend sdnode was replaced with the vselect node (in 139479). git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@145488 91177308-0d34-0410-b5e6-96231b3b80d8
* Better test case found in duplicate PR10570.Andrew Trick2011-11-30
| | | | git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@145484 91177308-0d34-0410-b5e6-96231b3b80d8
* LSR: handle the expansion of phi operands that use postinc forms of the IV.Andrew Trick2011-11-30
| | | | | | | Fixes PR11431: SCEVExpander::expandAddRecExprLiterally(const llvm::SCEVAddRecExpr*): Assertion `(!isa<Instruction>(Result) || SE.DT->dominates(cast<Instruction>(Result), Builder.GetInsertPoint())) && "postinc expansion does not dominate use"' failed. git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@145482 91177308-0d34-0410-b5e6-96231b3b80d8
* Add support for sqrt, sqrtl, and sqrtf in TargetLibraryInfo. Disable Chad Rosier2011-11-29
| | | | | | | | (fptrunc (sqrt (fpext x))) -> (sqrtf x) transformation if -fno-builtin is specified. rdar://10466410 git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@145460 91177308-0d34-0410-b5e6-96231b3b80d8
* FileCheckize.Jakob Stoklund Olesen2011-11-29
| | | | git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@145452 91177308-0d34-0410-b5e6-96231b3b80d8
* Change names for MIPS "generic" processors defined in Mips.td to match what GNUAkira Hatanaka2011-11-29
| | | | | | | | | | | | tools use. Patch by Simon Atanasyan. "mips32r1" => "mips32" "4ke" => mips32r2" "mips64r1" => "mips64" git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@145451 91177308-0d34-0410-b5e6-96231b3b80d8
* ARM assembly parsing and encoding for four-register VST1.Jim Grosbach2011-11-29
| | | | git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@145450 91177308-0d34-0410-b5e6-96231b3b80d8
* Add another missing pattern. llvm-gcc likes f64 but clang likes i64 so it ↵Evan Cheng2011-11-29
| | | | | | was generating poor code for some SSE builtins. git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@145448 91177308-0d34-0410-b5e6-96231b3b80d8
* Enable some VST1 tests and add a few more.Jim Grosbach2011-11-29
| | | | git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@145443 91177308-0d34-0410-b5e6-96231b3b80d8
* Make X86::FsFLD0SS / FsFLD0SD real pseudo-instructions.Jakob Stoklund Olesen2011-11-29
| | | | | | | | | Like V_SET0, these instructions are expanded by ExpandPostRA to xorps / vxorps so they can participate in execution domain swizzling. This also makes the AVX variants redundant. git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@145440 91177308-0d34-0410-b5e6-96231b3b80d8
* If fast-isel fails, remove dead instructions generated during the failed Chad Rosier2011-11-29
| | | | | | attempt. git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@145425 91177308-0d34-0410-b5e6-96231b3b80d8
* Fix a theoretical problem (not seen in the wild): if different instances of aDuncan Sands2011-11-29
| | | | | | | | | | | | | | | | weak variable are compiled by different compilers, such as GCC and LLVM, while LLVM may increase the alignment to the preferred alignment there is no reason to think that GCC will use anything more than the ABI alignment. Since it is the GCC version that might end up in the final program (as the linkage is weak), it is wrong to increase the alignment of loads from the global up to the preferred alignment as the alignment might only be the ABI alignment. Increasing alignment up to the ABI alignment might be OK, but I'm not totally convinced that it is. It seems better to just leave the alignment of weak globals alone. git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@145413 91177308-0d34-0410-b5e6-96231b3b80d8
* MC/X86/COFF: Allow quotes in names when targeting MS/Windows,Michael J. Spencer2011-11-29
| | | | | | | | | | as MC is the only assembler we support. This splits MS/Windows and GNU/Windows ASM infos into two seperate classes. While there is currently only one difference, full MS C++ ABI support will require many more. git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@145409 91177308-0d34-0410-b5e6-96231b3b80d8
* Fixed ObjectFile functions:Danil Malyshev2011-11-29
| | | | | | | | | | | | - getSymbolOffset() renamed as getSymbolFileOffset() - getSymbolFileOffset(), getSymbolAddress(), getRelocationAddress() returns same result for ELFObjectFile, MachOObjectFile and COFFObjectFile. - added getRelocationOffset() - fixed MachOObjectFile::getSymbolSize() - fixed MachOObjectFile::getSymbolSection() - fixed MachOObjectFile::getSymbolOffset() for symbols without section data. git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@145408 91177308-0d34-0410-b5e6-96231b3b80d8
* Fixed vsqrt.ss intrinsic usage - order of input operands was wrong.Elena Demikhovsky2011-11-29
| | | | | | | | | Added a test. Thanks Bruno for reviewing the patch. git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@145403 91177308-0d34-0410-b5e6-96231b3b80d8
* Fix shuffle decoding for memory forms for (V)SHUFPS/D.Craig Topper2011-11-29
| | | | git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@145392 91177308-0d34-0410-b5e6-96231b3b80d8
* Fix issues in shuffle decoding around VPERM* instructions. Fix shuffle ↵Craig Topper2011-11-29
| | | | | | decoding for VSHUFPS/D for 256-bit types. Add pattern matching for memory forms of VPERMILPS/VPERMILPD. git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@145390 91177308-0d34-0410-b5e6-96231b3b80d8
* Fix VINSERTF128/VEXTRACTF128 to be marked as FP instructions. Allow ↵Craig Topper2011-11-29
| | | | | | execution dependency fix pass to convert them to their integer equivalents when AVX2 is enabled. git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@145376 91177308-0d34-0410-b5e6-96231b3b80d8
* Correctly mark VPERM2F128 as being an FP instruction and add execution ↵Craig Topper2011-11-29
| | | | | | domain fixing support to convert it to VPERM2I128 for AVX2. git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@145370 91177308-0d34-0410-b5e6-96231b3b80d8
* SCEV fix. In general, Add/Mul expressions should not inherit NSW/NUW.Andrew Trick2011-11-29
| | | | | | | | This reverts r139450, fixes r139453, and adds much needed comments and a unit test. git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@145367 91177308-0d34-0410-b5e6-96231b3b80d8
* Filecheckize.Andrew Trick2011-11-29
| | | | git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@145363 91177308-0d34-0410-b5e6-96231b3b80d8
* Reenable this IndVars unit test.Andrew Trick2011-11-29
| | | | | | | SCEV can't optimize undef in all cases, which is a separate issue from this test case. git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@145343 91177308-0d34-0410-b5e6-96231b3b80d8
* Add a missing safety check to ProcessUGT_ADDCST_ADD. Fixes PR11438.Eli Friedman2011-11-28
| | | | git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@145316 91177308-0d34-0410-b5e6-96231b3b80d8
* Make SelectionDAG::InferPtrAlignment use llvm::ComputeMaskedBits instead of ↵Eli Friedman2011-11-28
| | | | | | duplicating the logic for globals. Make llvm::ComputeMaskedBits handle GlobalVariables slightly more aggressively, to match what InferPtrAlignment knew how to do. git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@145304 91177308-0d34-0410-b5e6-96231b3b80d8
* Revert r145273 and fix in SelectionDAG::InferPtrAlignment() instead.Evan Cheng2011-11-28
| | | | | | | | | | | | Conservatively returns zero when the GV does not specify an alignment nor is it initialized. Previously it returns ABI alignment for type of the GV. However, if the type is a "packed" type, then the under-specified alignments is attached to the load / store instructions. In that case, the alignment of the type cannot be trusted. rdar://10464621 git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@145300 91177308-0d34-0410-b5e6-96231b3b80d8
* DAG combine should not increase alignment of loads / stores with alignment lessEvan Cheng2011-11-28
| | | | | | | | | | than ABI alignment. These are loads / stores from / to "packed" data structures. Their alignments are intentionally under-specified. rdar://10301431 git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@145273 91177308-0d34-0410-b5e6-96231b3b80d8
* Add X86 instruction selection for VPERM2I128 when AVX2 is enabled. Merge ↵Craig Topper2011-11-28
| | | | | | VPERMILPS/VPERMILPD detection since they are pretty similar. git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@145238 91177308-0d34-0410-b5e6-96231b3b80d8
* test/lit.cfg: Enable the feature 'asserts' to check output of llc -version.NAKAMURA Takumi2011-11-28
| | | | | | | llc knows whether he is compiled with -DNDEBUG. | Optimized build with assertions. git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@145230 91177308-0d34-0410-b5e6-96231b3b80d8
* remove a test that is using old-style llvm.dbg intrinsics, apparently onlyChris Lattner2011-11-27
| | | | | | | fails on ppc and arm hosts. git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@145188 91177308-0d34-0410-b5e6-96231b3b80d8
* Take two on rotating the block ordering of loops. My previous attemptChandler Carruth2011-11-27
| | | | | | | | | | | | | | | | | | | | | | | | | | | | | was centered around the premise of laying out a loop in a chain, and then rotating that chain. This is good for preserving contiguous layout, but bad for actually making sane rotations. In order to keep it safe, I had to essentially make it impossible to rotate deeply nested loops. The information needed to correctly reason about a deeply nested loop is actually available -- *before* we layout the loop. We know the inner loops are already fused into chains, etc. We lose information the moment we actually lay out the loop. The solution was the other alternative for this algorithm I discussed with Benjamin and some others: rather than rotating the loop after-the-fact, try to pick a profitable starting block for the loop's layout, and then use our existing layout logic. I was worried about the complexity of this "pick" step, but it turns out such complexity is needed to handle all the important cases I keep teasing out of benchmarks. This is, I'm afraid, a bit of a work-in-progress. It is still misbehaving on some likely important cases I'm investigating in Olden. It also isn't really tested. I'm going to try to craft some interesting nested-loop test cases, but it's likely to be extremely time consuming and I don't want to go there until I'm sure I'm testing the correct behavior. Sadly I can't come up with a way of getting simple, fine grained test cases for this logic. We need complex loop structures to even trigger much of it. git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@145183 91177308-0d34-0410-b5e6-96231b3b80d8
* Rework a bit of the implementation of loop block rotation to not rely soChandler Carruth2011-11-27
| | | | | | | | | | | | | | | heavily on AnalyzeBranch. That routine doesn't behave as we want given that rotation occurs mid-way through re-ordering the function. Instead merely check that there are not unanalyzable branching constructs present, and then reason about the CFG via successor lists. This actually simplifies my mental model for all of this as well. The concrete result is that we now will rotate more loop chains. I've added a test case from Olden highlighting the effect. There is still a bit more to do here though in order to regain all of the performance in Olden. git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@145179 91177308-0d34-0410-b5e6-96231b3b80d8
* remove autoupgrade support for old forms of llvm.prefetch and the oldChris Lattner2011-11-27
| | | | | | | | trampoline forms. Both of these were correct in LLVM 3.0, and we don't need to support LLVM 2.9 and earlier in mainline. git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@145174 91177308-0d34-0410-b5e6-96231b3b80d8
* Upgrade syntax of tests using volatile instructions to use 'load volatile' ↵Chris Lattner2011-11-27
| | | | | | instead of 'volatile load', which is archaic. git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@145171 91177308-0d34-0410-b5e6-96231b3b80d8
* remove autoupgrade support for really old-style debug info intrinsics.Chris Lattner2011-11-27
| | | | | | | | I think this is the last of autoupgrade that can be removed in 3.1. Can the atomic upgrade stuff also go? git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@145169 91177308-0d34-0410-b5e6-96231b3b80d8
* remove some old autoupgrade logicChris Lattner2011-11-27
| | | | git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@145167 91177308-0d34-0410-b5e6-96231b3b80d8
* remove support for reading llvm 2.9 .bc files. LLVM 3.1 is only compatible ↵Chris Lattner2011-11-27
| | | | | | back to 3.0 git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@145164 91177308-0d34-0410-b5e6-96231b3b80d8
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