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* Fix build following r211956HEADmasterAlp Toker2014-06-28
| | | | | | | RuntimeDyld now uses MCInst::dump_pretty() which introduces a dependency on 'MC'. git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@211978 91177308-0d34-0410-b5e6-96231b3b80d8
* Verifier: Update assert message to reflect LangRefDavid Majnemer2014-06-28
| | | | | | No functionality change, just correcting the assertion message. git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@211977 91177308-0d34-0410-b5e6-96231b3b80d8
* [x86] Fix a bug in the v8i16 shuffling exposed by the new splat-likeChandler Carruth2014-06-28
| | | | | | | | | | | lowering for v16i8. ASan and some bots caught this bug with existing test cases. Fixing it even fixed a miscompile with one of the test cases. I'm still a bit suspicious of this test case as I've not taken a proper amount of time to think about it, but the fix here is strict goodness. git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@211976 91177308-0d34-0410-b5e6-96231b3b80d8
* [x86] Add handling for splat-like widenings of v16i8 shuffles.Chandler Carruth2014-06-28
| | | | | | | | | | | | | | | | These show up really frequently, not the least with actual splats. =] We lowered these quite badly before. The new code path tries to widen i8 shuffles to i16 shuffles in a splat-like way. There are still some inefficiencies in our i16 splat logic though, so we aren't really done here. Also, for certain patterns (bit of a gather-and-splat) we still generate pretty silly code, and I've left a fixme for addressing it. However, I'm not actually worried about this code pattern as much. The old shuffle lowering generates a 29 instruction monstrosity for it that should execute much more slowly. git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@211974 91177308-0d34-0410-b5e6-96231b3b80d8
* [RuntimeDyld] Use a raw_ostream and llvm::format for int-to-string conversions.Lang Hames2014-06-27
| | | | | | | | Some users' C++11 standard libraries don't support std::to_string yet. git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@211961 91177308-0d34-0410-b5e6-96231b3b80d8
* [AArch64] Fix memset ICE when memset value is f128.Chad Rosier2014-06-27
| | | | git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@211960 91177308-0d34-0410-b5e6-96231b3b80d8
* [RuntimeDyld] #include <cctype> header in RuntimeDyldChecker.cpp.Lang Hames2014-06-27
| | | | | | | Hopefully this will unbreak the windows bots. git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@211958 91177308-0d34-0410-b5e6-96231b3b80d8
* [RuntimeDyld] Add a framework for testing relocation logic in RuntimeDyld.Lang Hames2014-06-27
| | | | | | | | | | | | | | | | | | | | | | This patch adds a "-verify" mode to the llvm-rtdyld utility. In verify mode, llvm-rtdyld will test supplied expressions against the linked program images that it creates in memory. This scheme can be used to verify the correctness of the relocation logic applied by RuntimeDyld. The expressions to test will be read out of files passed via the -check option (there may be more than one of these). Expressions to check are extracted from lines of the form: # rtdyld-check: <expression> This system is designed to fit the llvm-lit regression test workflow. It is format and target agnostic, and supports verification of images linked for remote targets. The expression language is defined in llvm/include/llvm/RuntimeDyldChecker.h . Examples can be found in test/ExecutionEngine/RuntimeDyld. git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@211956 91177308-0d34-0410-b5e6-96231b3b80d8
* [x86] Fix another bug hit when bootstrapping with the new shuffleChandler Carruth2014-06-27
| | | | | | | | | | | | | lowering. For maximum irony, I had already discovered this bug, diagnosed it, and left FIXMEs about it in the test cases. =[ I just failed to go back over those until after i had reduced a bootstrap miscompile down to a single TU, stared at the assembly for an hour, and figured out the bug. Again. Oh well. git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@211955 91177308-0d34-0410-b5e6-96231b3b80d8
* [NVPTX] Use GreatestCommonDivisor64 from MathExtras instead of using our ↵Justin Holewinski2014-06-27
| | | | | | own. Thanks Hal! git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@211952 91177308-0d34-0410-b5e6-96231b3b80d8
* Include <tuple> to make buildbots happyDavid Majnemer2014-06-27
| | | | git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@211949 91177308-0d34-0410-b5e6-96231b3b80d8
* [NVPTX] Add reflect intrinsic (better than matching by function name)Justin Holewinski2014-06-27
| | | | | | Also clean up some of the logic in NVVMReflect.cpp while we're messing around in there. git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@211948 91177308-0d34-0410-b5e6-96231b3b80d8
* [NVPTX] Handle all possible vector types in getSetCCResultType, not just the ↵Justin Holewinski2014-06-27
| | | | | | ones representable as MVTs git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@211947 91177308-0d34-0410-b5e6-96231b3b80d8
* [NVPTX] Add 'b' asm constraintJustin Holewinski2014-06-27
| | | | git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@211946 91177308-0d34-0410-b5e6-96231b3b80d8
* [NVPTX] Simplify some argument lowering logicJustin Holewinski2014-06-27
| | | | git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@211945 91177308-0d34-0410-b5e6-96231b3b80d8
* [NVPTX] Do not process samplers in GenericToNVVMJustin Holewinski2014-06-27
| | | | git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@211944 91177308-0d34-0410-b5e6-96231b3b80d8
* [NVPTX] Error out if initializer is given for variable in an address space ↵Justin Holewinski2014-06-27
| | | | | | that does not support initialization git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@211943 91177308-0d34-0410-b5e6-96231b3b80d8
* [NVPTX] Add support for .managed variables for UVMJustin Holewinski2014-06-27
| | | | git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@211942 91177308-0d34-0410-b5e6-96231b3b80d8
* [NVPTX] Emit .weak linkage for link_once, weak, available_externally, and ↵Justin Holewinski2014-06-27
| | | | | | common linkage git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@211941 91177308-0d34-0410-b5e6-96231b3b80d8
* [NVPTX] Variables that start with llvm. or nvvm. are reserved and should not ↵Justin Holewinski2014-06-27
| | | | | | be emitted git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@211940 91177308-0d34-0410-b5e6-96231b3b80d8
* [NVPTX] Fix handling of ldg/ldu intrinsics.Justin Holewinski2014-06-27
| | | | | | | | | | The address space of the pointer must be global (1) for these intrinsics. There must also be alignment metadata attached to the intrinsic calls, e.g. %val = tail call i32 @llvm.nvvm.ldu.i.global.i32.p1i32(i32 addrspace(1)* %ptr), !align !0 !0 = metadata !{i32 4} git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@211939 91177308-0d34-0410-b5e6-96231b3b80d8
* [NVPTX] Clean up argument lowering code and properly handle alignment for ↵Justin Holewinski2014-06-27
| | | | | | structs and vectors git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@211938 91177308-0d34-0410-b5e6-96231b3b80d8
* [NVPTX] Add missing boolean vector contents flagJustin Holewinski2014-06-27
| | | | git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@211937 91177308-0d34-0410-b5e6-96231b3b80d8
* [NVPTX] Add support for [SHL,SRA,SRL]_PARTSJustin Holewinski2014-06-27
| | | | git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@211936 91177308-0d34-0410-b5e6-96231b3b80d8
* [NVPTX] Implement fma and imad contraction as target DAGCombiner patternsJustin Holewinski2014-06-27
| | | | | | This also introduces DAGCombiner patterns for mul.wide to multiply two smaller integers and produce a larger integer git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@211935 91177308-0d34-0410-b5e6-96231b3b80d8
* [NVPTX] Add support for efficient rotate instructions on SM 3.2+Justin Holewinski2014-06-27
| | | | git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@211934 91177308-0d34-0410-b5e6-96231b3b80d8
* [NVPTX] Add missing isel patterns for 64-bit atomicsJustin Holewinski2014-06-27
| | | | git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@211933 91177308-0d34-0410-b5e6-96231b3b80d8
* [NVPTX] Add isel patterns for bit-field extract (bfe)Justin Holewinski2014-06-27
| | | | git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@211932 91177308-0d34-0410-b5e6-96231b3b80d8
* [NVPTX] Add support for isspacep instructionJustin Holewinski2014-06-27
| | | | git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@211931 91177308-0d34-0410-b5e6-96231b3b80d8
* [NVPTX] Add support for envreg readsJustin Holewinski2014-06-27
| | | | git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@211930 91177308-0d34-0410-b5e6-96231b3b80d8
* [NVPTX] Add target options for PTX 3.2/4.0 and SM 5.0 (Maxwell)Justin Holewinski2014-06-27
| | | | | | Default PTX version is set to PTX 3.2 git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@211929 91177308-0d34-0410-b5e6-96231b3b80d8
* [NVPTX] Update sub-target feature detectionJustin Holewinski2014-06-27
| | | | git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@211928 91177308-0d34-0410-b5e6-96231b3b80d8
* [NVPTX] Directly control the Machine SSA passes that are invoked for NVPTX.Justin Holewinski2014-06-27
| | | | | | | NVPTX is a bit special in the optimizations it requires, so this gives us better control over the backend optimization pipeline. git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@211927 91177308-0d34-0410-b5e6-96231b3b80d8
* [NVPTX] Emit .weak when linkage is not external, internal, or privateJustin Holewinski2014-06-27
| | | | git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@211926 91177308-0d34-0410-b5e6-96231b3b80d8
* [NVPTX] Just use getTypeAllocSize() when computing return value size for ↵Justin Holewinski2014-06-27
| | | | | | structures and vectors git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@211925 91177308-0d34-0410-b5e6-96231b3b80d8
* Silencing some -Wcast-qual warnings. No functional changes intended.Aaron Ballman2014-06-27
| | | | git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@211923 91177308-0d34-0410-b5e6-96231b3b80d8
* [x86] Fix a miscompile in the new shuffle lowering uncovered byChandler Carruth2014-06-27
| | | | | | | | | a bootstrap. I managed to mis-remember how PACKUS worked on x86, and was using undef for the high bytes instead of zero. The fix is fairly obvious. git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@211922 91177308-0d34-0410-b5e6-96231b3b80d8
* IR: Add COMDATs to the IRDavid Majnemer2014-06-27
| | | | | | | | | | | | | | | | This new IR facility allows us to represent the object-file semantic of a COMDAT group. COMDATs allow us to tie together sections and make the inclusion of one dependent on another. This is required to implement features like MS ABI VFTables and optimizing away certain kinds of initialization in C++. This functionality is only representable in COFF and ELF, Mach-O has no similar mechanism. Differential Revision: http://reviews.llvm.org/D4178 git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@211920 91177308-0d34-0410-b5e6-96231b3b80d8
* lldb can interrupt waitpid, so EINTR shouldn't be an error. This fixes the caseJulien Lerouge2014-06-27
| | | | | | | | | | | where there is no timeout. In the case where there is a timeout though, the code is still wrong since it doesn't check that the alarm really went off. Without this patch, I cannot debug a program that forks itself using sys::ExecuteAndWait with lldb. git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@211918 91177308-0d34-0410-b5e6-96231b3b80d8
* R600: Move trivial getters into header, use initializer listMatt Arsenault2014-06-27
| | | | git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@211917 91177308-0d34-0410-b5e6-96231b3b80d8
* MC: Fix associative sections on COFFDavid Majnemer2014-06-27
| | | | | | | | | COFF sections in MC were represented by a tuple of section-name and COMDAT-name. This is not sufficient to represent a .text section associated with another .text section; we need a way to distinguish between the key section and the one marked associative. git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@211913 91177308-0d34-0410-b5e6-96231b3b80d8
* [FastISel][X86] Fix typos.Juergen Ributzka2014-06-27
| | | | git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@211911 91177308-0d34-0410-b5e6-96231b3b80d8
* R600: Don't crash on unhandled instruction in promote allocaMatt Arsenault2014-06-27
| | | | git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@211906 91177308-0d34-0410-b5e6-96231b3b80d8
* Clean up unused variable warning in release build.Alexander Kornienko2014-06-27
| | | | git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@211902 91177308-0d34-0410-b5e6-96231b3b80d8
* Re-apply r211287: Remove support for LLVM runtime multi-threading.Chandler Carruth2014-06-27
| | | | | | | I'll fix the problems in libclang and other projects in ways that don't require <mutex> until we sort out the cygwin situation. git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@211900 91177308-0d34-0410-b5e6-96231b3b80d8
* [PowerPC] Constrain base register in PPCRegisterInfo::resolveFrameIndexUlrich Weigand2014-06-27
| | | | | | | | | | | | | | | | | | | | | | | | I've run into a bug where current LLVM at -O0 (with fast-isel) generated invalid code like: ld 0, 20936(1) # 8-byte Folded Reload stw 12, 10348(0) stw 12, 10344(0) The underlying vreg had been introduced as base register by the Local Stack Slot Allocation pass. That register was constrained to G8RC by PPCRegisterInfo::materializeFrameBaseRegister to match the ADDI instruction used to set it, but it was *not* constrained to G8RC_NOX0 to fit the *use* of the register in an address. That should have happened in PPCRegisterInfo::resolveFrameIndex. This patch adds an appropriate constrainRegClass call. Reviewed by Hal Finkel. git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@211897 91177308-0d34-0410-b5e6-96231b3b80d8
* [x86] Clean up some unused variables, especially in release builds.Chandler Carruth2014-06-27
| | | | git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@211894 91177308-0d34-0410-b5e6-96231b3b80d8
* [x86] Teach the target combine step to aggressively fold pshufd insturcions.Chandler Carruth2014-06-27
| | | | | | | | | | | | | Summary: This allows it to fold pshufd instructions across intervening half-shuffles and other noise. This pattern actually shows up in the generic lowering tests, but I've also added direct tests using intrinsics to make sure that the specific desired functionality is working even if the lowering stuff changes in the future. Differential Revision: http://reviews.llvm.org/D4292 git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@211892 91177308-0d34-0410-b5e6-96231b3b80d8
* [x86] Teach the target-specific combining how to aggressively foldChandler Carruth2014-06-27
| | | | | | | | | | | | | | | | | | half-shuffles, even looking through intervening instructions in a chain. Summary: This doesn't happen to show up with any test cases I've found for the current shuffle lowering, but previous attempts would benefit from this and it seems generally useful. I've tested it directly using intrinsics, which also shows that it will work with hand vectorized code as well. Note that even though pshufd isn't directly used in these tests, it gets exercised because we combine some of the half shuffles into a pshufd first, and then merge them. Differential Revision: http://reviews.llvm.org/D4291 git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@211890 91177308-0d34-0410-b5e6-96231b3b80d8
* [x86] Teach the X86 backend to DAG-combine SSE2 shuffles that areChandler Carruth2014-06-27
| | | | | | | | | | | | | | | | | trivially redundant. This fixes several cases in the new vector shuffle lowering algorithm which would generate redundant shuffle instructions for the sake of simplicity. I'm also deleting a testcase which was somewhat ridiculous. It was checking for a bug in 2007 about incorrectly transforming shuffles by looking for the string "-86" in the output of a pretty substantial function. This test case doesn't seem to have any value at this point. Differential Revision: http://reviews.llvm.org/D4240 git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@211889 91177308-0d34-0410-b5e6-96231b3b80d8
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