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* R600/SI: Add FP mode bits to binary.Matt Arsenault2014-06-26
| | | | | | | | The default rounding mode to initialize the mode register needs to be reported to the runtime. Fill in other bits a kernel may be interested in setting for future use. git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@211791 91177308-0d34-0410-b5e6-96231b3b80d8
* Silencing a warning about isZExtFree hiding an inherited virtual function. ↵Aaron Ballman2014-06-26
| | | | | | No functional change intended. git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@211783 91177308-0d34-0410-b5e6-96231b3b80d8
* Silence a warning due to a comparison between signed and unsigned.Andrea Di Biagio2014-06-26
| | | | | | | | No functional change intended. git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@211782 91177308-0d34-0410-b5e6-96231b3b80d8
* Add support for ppc64/power8 as a hostWill Schmidt2014-06-26
| | | | git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@211781 91177308-0d34-0410-b5e6-96231b3b80d8
* add ppc64/pwr8 as targetWill Schmidt2014-06-26
| | | | | | | | | includes handling DIR_PWR8 where appropriate The P7Model Itinerary is currently tied in for use under the P8Model, and will be updated later. git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@211779 91177308-0d34-0410-b5e6-96231b3b80d8
* Added parsing co-processor names starting with "cr"Renato Golin2014-06-26
| | | | | | | | | | Additional compliant GAS names for coprocessor register name are enabled for all instruction with parameter MCK_CoprocReg: LDC,LDC2,STC,STC2,CDP,CDP2,MCR,MCR2,MCRR,MCRR2,MRC,MRC2,MRRC,MRRC2 Patch by Andrey Kuharev. git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@211776 91177308-0d34-0410-b5e6-96231b3b80d8
* [X86] Improve the selection of SSE3/AVX addsub instructions. Andrea Di Biagio2014-06-26
| | | | | | | | | | | | | | | | | | | | | | | | | | | This patch teaches the backend how to canonicalize a shuffle vectors according to the rule: - (shuffle (FADD A, B), (FSUB A, B), Mask) -> (shuffle (FSUB A, -B), (FADD A, -B), Mask) Where 'Mask' is: <0,5,2,7> ;; for v4f32 and v4f64 shuffles. <0,3> ;; for v2f64 shuffles. <0,9,2,11,4,13,6,15> ;; for v8f32 shuffles. In general, ISel only knows how to pattern-match a canonical 'fadd + fsub + blendi' dag node sequence into an ADDSUB instruction. This new rule allows to convert a non-canonical dag sequence into a canonical one that will be matched by a single ADDSUB at ISel stage. The idea of converting a non-canonical ADDSUB into a canonical one by swapping the first two operands of the shuffle, and then negating the second operand of the FADD and FSUB, was originally proposed by Hal Finkel. git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@211771 91177308-0d34-0410-b5e6-96231b3b80d8
* This patch removed duplicate code for matching patterns Dinesh Dwivedi2014-06-26
| | | | | | | | | | | which are now handled in SimplifyUsingDistributiveLaws() (after r211261) Differential Revision: http://reviews.llvm.org/D4253 git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@211768 91177308-0d34-0410-b5e6-96231b3b80d8
* Added instruction combine to transform few more negative values addition to ↵Dinesh Dwivedi2014-06-26
| | | | | | | | | | | | | | subtraction (Part 2) This patch enables transforms for (x + (~(y | c) + 1) --> x - (y | c) if c is even Differential Revision: http://reviews.llvm.org/D4209 git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@211765 91177308-0d34-0410-b5e6-96231b3b80d8
* GlobalOpt: Don't optimize thread_local for initializersDavid Majnemer2014-06-26
| | | | | | | | Folding a reference to a thread_local variable into another global variable's initializer is very problematic, there is no relocation that exists to represent such an access. git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@211762 91177308-0d34-0410-b5e6-96231b3b80d8
* R600: Fix vector FMAMatt Arsenault2014-06-26
| | | | git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@211757 91177308-0d34-0410-b5e6-96231b3b80d8
* Don't build switch tables for dllimport and TLS variables in GEPsHans Wennborg2014-06-26
| | | | | | | This is a follow-up to r211331, which failed to notice that we were returning early from ValidLookupTableConstant for GEPs. git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@211753 91177308-0d34-0410-b5e6-96231b3b80d8
* MSVC build fix following r211749Alp Toker2014-06-26
| | | | | | Avoid strndup() git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@211752 91177308-0d34-0410-b5e6-96231b3b80d8
* [X86] AVX512: Fix asm syntax for packed vcmpAdam Nemet2014-06-26
| | | | | | | | The *_alt defs for vcmp are used by the InstParser (the asm string in the main def is used by the InstPrinter) . The former was accepting vector registers as destination rather than mask registers. git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@211750 91177308-0d34-0410-b5e6-96231b3b80d8
* Introduce a string_ostream string builder faciltyAlp Toker2014-06-26
| | | | | | | | | | | | | | | | | | | | string_ostream is a safe and efficient string builder that combines opaque stack storage with a built-in ostream interface. small_string_ostream<bytes> additionally permits an explicit stack storage size other than the default 128 bytes to be provided. Beyond that, storage is transferred to the heap. This convenient class can be used in most places an std::string+raw_string_ostream pair or SmallString<>+raw_svector_ostream pair would previously have been used, in order to guarantee consistent access without byte truncation. The patch also converts much of LLVM to use the new facility. These changes include several probable bug fixes for truncated output, a programming error that's no longer possible with the new interface. git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@211749 91177308-0d34-0410-b5e6-96231b3b80d8
* For CrashRecoveryContext::RunSafelyOnThread, propagate Darwin's ↵Argyrios Kyrtzidis2014-06-25
| | | | | | | | | | | | | PRIO_DARWIN_BG to the new thread if it is set on the calling thread. This allows libclang's indexing threads to propagate their priority to the clang module building threads. rdar://17459872 git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@211747 91177308-0d34-0410-b5e6-96231b3b80d8
* [FastISel][X86] More refactoring of select lowering and XALU folding. NFC.Juergen Ributzka2014-06-25
| | | | git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@211740 91177308-0d34-0410-b5e6-96231b3b80d8
* The includes were sorted. Revert r210578.Eric Christopher2014-06-25
| | | | git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@211737 91177308-0d34-0410-b5e6-96231b3b80d8
* [FastISel][X86] Refactor XALU folding. NFC.Juergen Ributzka2014-06-25
| | | | git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@211735 91177308-0d34-0410-b5e6-96231b3b80d8
* [FastISel][X86] Only fold the cmp into the select when both instructions are ↵Juergen Ributzka2014-06-25
| | | | | | | | | | | | in the same basic block. If the cmp is in a different basic block, then it is possible that not all operands of that compare have defined registers. This can happen when one of the operands to the cmp is a load and the load gets folded into the cmp. In this case FastISel will skip the load instruction and the vreg is never defined. git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@211730 91177308-0d34-0410-b5e6-96231b3b80d8
* Merge the used symbol scanning of MCObjectStreamer and RecordStreamer.Rafael Espindola2014-06-25
| | | | | | This completes the refactoring of RecordStreamer. git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@211727 91177308-0d34-0410-b5e6-96231b3b80d8
* Revert "PR20038: DebugInfo: Inlined call sites where the caller has debug ↵David Blaikie2014-06-25
| | | | | | | | | | | info but the call itself has no debug location." This reverts commit r211723. Breaks the ASan/compiler-rt build... guess I didn't test very far at all :/. git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@211724 91177308-0d34-0410-b5e6-96231b3b80d8
* PR20038: DebugInfo: Inlined call sites where the caller has debug info but ↵David Blaikie2014-06-25
| | | | | | | | | | | | | | | | | | the call itself has no debug location. This situation does bad things when inlined, so I've fixed Clang not to produce inlinable call sites without locations when the caller has debug info (in the one case where I could find that this occurred). This updates the PR20038 test case to be what clang now produces, and readds the assertion that had to be removed due to this bug. I've also beefed up the debug info verifier to help diagnose these issues in the future, and I hope to add checks to the inliner to just assert-fail if it encounters this situation. If, in the future, we decide we have to cope with this situation, the right thing to do is probably to just remove all the DebugLocs from the inlined instructions. git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@211723 91177308-0d34-0410-b5e6-96231b3b80d8
* Add Rpass-missed and Rpass-analysis reports to the loop vectorizer. The ↵Tyler Nowicki2014-06-25
| | | | | | | | | remarks give the vector width of vectorized loops and a brief analysis of loops that fail to be vectorized. For example, an analysis will be generated for loops containing control flow that cannot be simplified to a select. The optimization remarks also give the debug location of expressions that cannot be vectorized, for example the location of an unvectorizable call. Reviewed by: Arnold Schwaighofer git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@211721 91177308-0d34-0410-b5e6-96231b3b80d8
* [X86] Always prefer to lower a VECTOR_SHUFFLE into a BLENDI instead of SHUFP ↵Andrea Di Biagio2014-06-25
| | | | | | | | | | | | | | | | | | | | | | | | | | | | (or VPERM2X128). This patch teaches method 'LowerVECTOR_SHUFFLE' to give higher precedence to the check for 'isBlendMask'; the idea is that, when possible, we should firstly check if a shuffle performs a blend, and in case, try to lower it into a BLENDI instead of selecting a SHUFP or (worse) a VPERM2X128. In general: - AVX VBLENDPS/D always have better latency and throughput than VPERM2F128; - BLENDPS/D instructions tend to always have better 'reciprocal throughput' than the equivalent SHUFPS/D; - Both BLENDPS/D and SHUFPS/D are often decoded into the same number of m-ops; however, a m-op obtained from a BLENDPS/D can be scheduled to more than one execution port. This patch: - Moves the check for 'isBlendMask' immediately before the check for 'isSHUFPMask' within method 'LowerVECTOR_SHUFFLE'; - Updates existing tests for sse/avx shuffle/blend instructions to verify that we select (v)blendps/d when possible (instead of (v)shufps/d or vperm2f128). git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@211720 91177308-0d34-0410-b5e6-96231b3b80d8
* Fix indentation.Juergen Ributzka2014-06-25
| | | | git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@211717 91177308-0d34-0410-b5e6-96231b3b80d8
* Move expression visitation logic up to MCStreamer.Rafael Espindola2014-06-25
| | | | | | Remove the duplicate from MCRecordStreamer. No functionality change. git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@211714 91177308-0d34-0410-b5e6-96231b3b80d8
* Rename loop unrolling and loop vectorizer metadata to have a common prefix.Eli Bendersky2014-06-25
| | | | | | | | | | | | | | | | | | | | | [LLVM part] These patches rename the loop unrolling and loop vectorizer metadata such that they have a common 'llvm.loop.' prefix. Metadata name changes: llvm.vectorizer.* => llvm.loop.vectorizer.* llvm.loopunroll.* => llvm.loop.unroll.* This was a suggestion from an earlier review (http://reviews.llvm.org/D4090) which added the loop unrolling metadata. Patch by Mark Heffernan. git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@211710 91177308-0d34-0410-b5e6-96231b3b80d8
* Simplify the visitation of target expressions. No functionality change.Rafael Espindola2014-06-25
| | | | git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@211707 91177308-0d34-0410-b5e6-96231b3b80d8
* Random Number Generator (llvm)JF Bastien2014-06-25
| | | | | | | | | | | | | | | | | | | | | | | | Provides an abstraction for a random number generator (RNG) that produces a stream of pseudo-random numbers. The current implementation uses C++11 facilities and is therefore not cryptographically secure. The RNG is salted with the text of the current command line invocation. In addition, a user may specify a seed (reproducible builds). In clang, the seed can be set via -frandom-seed=X In the back end, the seed can be set via -rng-seed=X This is the llvm part of the patch. clang part: D3391 URL: http://reviews.llvm.org/D3390 Author: yln I'm landing this for the second time, it broke Windows bots the first time around. git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@211705 91177308-0d34-0410-b5e6-96231b3b80d8
* Simplify AddValueSymbols. No functionality change.Rafael Espindola2014-06-25
| | | | git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@211701 91177308-0d34-0410-b5e6-96231b3b80d8
* [msan] Fix bad interaction between with-calls mode and chained origin tracking.Evgeniy Stepanov2014-06-25
| | | | | | | | | | | Origin history should only be recorded for uninitialized values, because it is meaningless otherwise. This change moves __msan_chain_origin to the runtime library side and makes it conditional on the corresponding shadow value. Previous code was correct, but _very_ inefficient. git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@211700 91177308-0d34-0410-b5e6-96231b3b80d8
* Don't leak a file descriptor.Rafael Espindola2014-06-25
| | | | git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@211699 91177308-0d34-0410-b5e6-96231b3b80d8
* Code cleanup.Logan Chien2014-06-25
| | | | git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@211697 91177308-0d34-0410-b5e6-96231b3b80d8
* [x86] Add intrinsics for the pshufd, pshuflw, and pshufhw instructions.Chandler Carruth2014-06-25
| | | | git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@211694 91177308-0d34-0410-b5e6-96231b3b80d8
* Re-apply r211399, "Generate native unwind info on Win64" with a fix to ↵NAKAMURA Takumi2014-06-25
| | | | | | | | | | | | | | | | | | | | | | | ignore SEH pseudo ops in X86 JIT emitter. -- This patch enables LLVM to emit Win64-native unwind info rather than DWARF CFI. It handles all corner cases (I hope), including stack realignment. Because the unwind info is not flexible enough to describe stack frames with a gap of unknown size in the middle, such as the one caused by stack realignment, I modified register spilling code to place all spills into the fixed frame slots, so that they can be accessed relative to the frame pointer. Patch by Vadim Chugunov! Reviewed By: rnk Differential Revision: http://reviews.llvm.org/D4081 git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@211691 91177308-0d34-0410-b5e6-96231b3b80d8
* Reformat.NAKAMURA Takumi2014-06-25
| | | | git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@211689 91177308-0d34-0410-b5e6-96231b3b80d8
* [X86] Add target combine rule to select ADDSUB instructions from a build_vectorAndrea Di Biagio2014-06-25
| | | | | | | | | | | | | | | | | | | This patch teaches the backend how to combine a build_vector that implements an 'addsub' between packed float vectors into a sequence of vector add and vector sub followed by a VSELECT. The new VSELECT is expected to be lowered into a BLENDI. At ISel stage, the sequence 'vector add + vector sub + BLENDI' is pattern-matched against ISel patterns added at r211427 to select 'addsub' instructions. Added three more ISel patterns for ADDSUB. Added test sse3-avx-addsub-2.ll to verify that we correctly emit 'addsub' instructions. git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@211679 91177308-0d34-0410-b5e6-96231b3b80d8
* Factor out part of LICM::sink into a helper function.Evgeniy Stepanov2014-06-25
| | | | git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@211678 91177308-0d34-0410-b5e6-96231b3b80d8
* [LICM] Don't create more than one copy of an instruction per loop exit block ↵Evgeniy Stepanov2014-06-25
| | | | | | | | | | | | | | | | | | | | | when sinking. Fixes exponential compilation complexity in PR19835, caused by LICM::sink not handling the following pattern well: f = op g e = op f, g d = op e c = op d, e b = op c a = op b, c When an instruction with N uses is sunk, each of its operands gets N new uses (all of them - phi nodes). In the example above, if a had 1 use, c would have 2, e would have 4, and g would have 8. git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@211673 91177308-0d34-0410-b5e6-96231b3b80d8
* Fix another asserting method in the null streamer.Rafael Espindola2014-06-25
| | | | git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@211668 91177308-0d34-0410-b5e6-96231b3b80d8
* Fix a regression from r211653.Rafael Espindola2014-06-25
| | | | | | | The method was empty in the null streamer but I mistakenly replaced it with the aborting one in MCStreamer. git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@211666 91177308-0d34-0410-b5e6-96231b3b80d8
* MCNullStreamer.cpp: Roll back a few empty methods that have been marked as ↵NAKAMURA Takumi2014-06-25
| | | | | | | | | | | unreachable in MCStreamer.cpp. void EmitCOFFSecRel32(MCSymbol const *Symbol) override {} void EmitGPRel32Value(const MCExpr *Value) override {} It should fix crash like "llc -mtriple=i686-cygwin -filetype=null". git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@211664 91177308-0d34-0410-b5e6-96231b3b80d8
* Use SourceMgr::getMemoryBuffer() in a couple of placesAlp Toker2014-06-25
| | | | | | Cleanup only. git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@211656 91177308-0d34-0410-b5e6-96231b3b80d8
* Move some trivial methods up to MCStreamer.Rafael Espindola2014-06-25
| | | | | | This saves some duplicated boilerplate in RecordStreamer and NullStreamer. git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@211653 91177308-0d34-0410-b5e6-96231b3b80d8
* [RuntimeDyld] Adds the necessary hooks to MCJIT to be able to debug generatedLang Hames2014-06-25
| | | | | | | | | | MachO files using the GDB JIT debugging interface. Patch by Keno Fischer. Thanks Keno! git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@211652 91177308-0d34-0410-b5e6-96231b3b80d8
* Simplify the handling of .cfi_endproc.Rafael Espindola2014-06-25
| | | | | | No functionality change. git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@211651 91177308-0d34-0410-b5e6-96231b3b80d8
* Simplify EmitLabel.Rafael Espindola2014-06-24
| | | | | | | All the "real" streamers were already calling to MCStreamer::EmitLabel to do part of the work. git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@211646 91177308-0d34-0410-b5e6-96231b3b80d8
* [FastISel][X86] Fold XALU condition into branch and compare.Juergen Ributzka2014-06-24
| | | | | | | Optimize the codegen of select and branch instructions to directly use the EFLAGS from the {s|u}{add|sub|mul}.with.overflow intrinsics. git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@211645 91177308-0d34-0410-b5e6-96231b3b80d8
* R600/SI: Use a ComplexPattern for MUBUF storesTom Stellard2014-06-24
| | | | | | | | Now that non-leaf ComplexPatterns are allowed we can fold all the MUBUF store patterns into the instruction definition. We will also be able to reuse this new ComplexPattern for MUBUF loads and atomic operations. git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@211644 91177308-0d34-0410-b5e6-96231b3b80d8
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