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* Do not bind a non-const reference to a rvalue. NFC.Michael Kruse2016-04-111-2/+3
| | | | | | | | | | MSVC warns with: warning C4239: nonstandard extension used: 'initializing': conversion from 'llvm::DebugLoc' to 'llvm::DebugLoc &' note: A non-const reference may only be bound to an lvalue Change the reference to a const reference. llvm-svn: 265937
* [ARM] Avoid switching ARM/Thumb mode on .arch/.cpu directiveOliver Stannard2016-04-112-0/+82
| | | | | | | | | | | | | | | | | | | | When we see a .arch or .cpu directive, we should try to avoid switching ARM/Thumb mode if possible. If we do have to switch modes, we also need to emit the correct mapping symbol for the new ISA. We did not do this previously, so could emit ARM code with Thumb mapping symbols (or vice-versa). The GAS behaviour is to always stay in the same mode, and to emit an error on any instructions seen when the current mode is not available on the current target. We can't represent that situation easily (we assume that Thumb mode is available if ModeThumb is set), so we differ from the GAS behaviour when switching to a target that can't support the old mode. I've added a warning for when this implicit mode-switch occurs. Differential Revision: http://reviews.llvm.org/D18955 llvm-svn: 265936
* [Clang][AVX512][BuiltIn] Adding avx512 ( ↵Michael Zuckerman2016-04-115-0/+973
| | | | | | | | punpck{h|l}{dq|qdq}{128|256|512},rndscale{ss|sd}, {scalef{ss|sd|pd512|ps512} ) builtin to clang Differential Revision: http://reviews.llvm.org/D18929 llvm-svn: 265935
* [clang-format] Walk backwards from end() instead of forwards from rend().Benjamin Kramer2016-04-111-1/+1
| | | | | | | | This should've been forwards from rbegin(), reverse iterators are just too confusing to be used by mere mortals. Fixes out-of-bounds walks over the list. llvm-svn: 265934
* [SystemZ] Support conditional indirect sibling calls via BCRUlrich Weigand2016-04-116-5/+613
| | | | | | | | | | | | | | | This adds a conditional variant of CallBR instruction, CallBCR. Also, it can be fused with integer comparisons, resulting in one of the new C*BCall instructions. In addition to CallBRCL limitations, this has another one: it won't trigger if the function to call isn't already in %r1 - see f22 in the test for an example (it's also why the loads in tests are volatile). Author: koriakin Differential Revision: http://reviews.llvm.org/D18928 llvm-svn: 265933
* [SystemZ] Remove incorrect CC use for C*BReturn instructionsUlrich Weigand2016-04-111-1/+1
| | | | | | | | | These are fused compare-and-branches, so they obviously don't use CC. Author: koriakin Differential Revision: http://reviews.llvm.org/D18927 llvm-svn: 265932
* Remove unintentional returnBhushan D. Attarde2016-04-111-1/+0
| | | | llvm-svn: 265931
* [X86] Added extra widening tests for and/xor/or bit operationsSimon Pilgrim2016-04-111-0/+1315
| | | | | | | | Add tests for bitcasting an illegal vector to/from a legal scalar Additional tests requested for D18944 llvm-svn: 265930
* [X86] Added extra widening tests for and/xor/or bit operationsSimon Pilgrim2016-04-111-0/+733
| | | | | | To make sure we're dealing with both cases of legal/illegal number of vector elements and legal/illegal vector element types llvm-svn: 265929
* [Clang][AVX512][BuiltIn] Adding avx512 ( ptest{n}m{b|w}{128|256|512} ) ↵Michael Zuckerman2016-04-119-0/+620
| | | | | | | | builtin to clang Differential Revision: http://reviews.llvm.org/D18924 llvm-svn: 265928
* [X86] Regenerated sdglue test checksSimon Pilgrim2016-04-111-12/+24
| | | | llvm-svn: 265927
* Don't clutter the test directory with temporary IR files.Benjamin Kramer2016-04-111-2/+2
| | | | | | -emit-llvm emits a file, -emit-llvm-only doesn't. llvm-svn: 265926
* [X86] Added widening tests for and/xor/or bit operationsSimon Pilgrim2016-04-111-0/+663
| | | | | | Part of additional tests requested for D18944 llvm-svn: 265925
* [X86] Restrict max long nop length for Lakemont.Andrey Turetskiy2016-04-112-10/+13
| | | | | | | | | Restrict the max length of long nops for Lakemont to 7. Experiments on MCU benchmarks (Dhrystone, Coremark) show that this is the most optimal length. Differential Revision: http://reviews.llvm.org/D18897 llvm-svn: 265924
* [sanitizer] Restore stderr when using forkpty() to spawn external symbolizerKuba Brecka2016-04-112-23/+14
| | | | | | | | In `AtosSymbolizer`, we're using `forkpty()` to create a new pseudo-terminal to communicate with the `atos` tool (we need that to avoid output buffering in interactive mode). This however redirects both stdout and stderr into a single stream, so when we read the output, we can't distinguish between errors and standard replies. Let's save&restore stderr to avoid that. Differential Revision: http://reviews.llvm.org/D15073 llvm-svn: 265923
* clang-format: [JS] Test for parameter annotations.Martin Probst2016-04-111-0/+3
| | | | | | | | | | | | Summary: Just to ensure no regressions, this already works fine. Reviewers: djasper Subscribers: cfe-commits, klimek Differential Revision: http://reviews.llvm.org/D18950 llvm-svn: 265922
* Fix makefile for TestMiThreadInfo after rL265858 (2nd try)Tamas Berghammer2016-04-111-0/+2
| | | | llvm-svn: 265921
* Fix makefile for TestMiThreadInfo after rL265858Tamas Berghammer2016-04-111-2/+0
| | | | | | | The makefile was explicitly setting LDFLAGS what is breaking some rules in the global makefile. llvm-svn: 265920
* [tsan] Replace 'not' with '%deflake' in gcd-apply-race.mm Darwin test.Kuba Brecka2016-04-111-1/+1
| | | | llvm-svn: 265919
* Remove redundant conditions of the form (A || (!A && B)) -> (A || B)Benjamin Kramer2016-04-115-12/+8
| | | | | | Found by cppcheck! PR27286 PR27287 PR27288 PR27289 llvm-svn: 265918
* [GCC] Attribute ifunc support in clangDmitry Polukhin2016-04-1113-33/+265
| | | | | | | | | | | This patch add support for GCC attribute((ifunc("resolver"))) for targets that use ELF as object file format. In general ifunc is a special kind of function alias with type @gnu_indirect_function. LLVM patch http://reviews.llvm.org/D15525 Differential Revision: http://reviews.llvm.org/D15524 llvm-svn: 265917
* clang-format: [JS] do not insert semicolons after wrapped annotations.Martin Probst2016-04-112-0/+9
| | | | | | | | | | Reviewers: djasper Subscribers: klimek Differential Revision: http://reviews.llvm.org/D18943 llvm-svn: 265916
* [Clang][AVX512][BuiltIn] Adding avx512 ( vperm{i|t}2var, ↵Michael Zuckerman2016-04-115-0/+552
| | | | | | | | vpermil{var}{ps|pd}{256|512} ) builtin to clang. Differential Revision: http://reviews.llvm.org/D18933 llvm-svn: 265915
* Implement LWG#680, which was missed lo these many moons ago, and was ↵Marshall Clow2016-04-112-8/+5
| | | | | | reported as bug #27259. As a drive-by fix, replace the hand-rolled equivalent to addressof in __wrap_iter with the real thing. llvm-svn: 265914
* [IndVars] Eliminate op.with.overflow when possibleSanjoy Das2016-04-103-1/+245
| | | | | | | | | | | | | | | Summary: If we can prove that an op.with.overflow intrinsic does not overflow, we can get rid of the intrinsic, and replace it with non-wrapping arithmetic. Reviewers: atrick, regehr Subscribers: sanjoy, mcrosier, llvm-commits Differential Revision: http://reviews.llvm.org/D18685 llvm-svn: 265913
* [SCEV] See through op.with.overflow intrinsicsSanjoy Das2016-04-104-5/+425
| | | | | | | | | | | | | | | Summary: This change teaches SCEV to see reduce `(extractvalue 0 (op.with.overflow X Y))` into `op X Y` (with a no-wrap tag if possible). Reviewers: atrick, regehr Subscribers: mcrosier, mzolotukhin, llvm-commits Differential Revision: http://reviews.llvm.org/D18684 llvm-svn: 265912
* Remove leftovers from previous linker experiments.Davide Italiano2016-04-100-0/+0
| | | | llvm-svn: 265911
* [ELF] Do not skip relocation scanning checking if the symbol gets dynamic ↵Simon Atanasyan2016-04-103-4/+80
| | | | | | | | | | | | | | | | | COPY relocation already It is possible that the same symbol referenced by two kinds of relocations at the same time. The first type requires say GOT entry creation, the second type requires dynamic copy relocation. For MIPS targets they might be R_MIPS_GOT16 and R_MIPS_HI16 relocations. For X86 target they might be R_386_GOT32 and R_386_32 respectively. Now LLD never creates GOT entry for a symbol if this symbol already has related copy relocation. This patch solves this problem. Differential Revision: http://reviews.llvm.org/D18862 llvm-svn: 265910
* Plumb the option to emit the `ModuleHash` in the bitcode through the bitcode ↵Mehdi Amini2016-04-102-11/+18
| | | | | | | writer APIs From: Mehdi Amini <mehdi.amini@apple.com> llvm-svn: 265907
* Add a ThreadSanitizer testcase that tests multiple reported issues.Kuba Brecka2016-04-103-0/+212
| | | | llvm-svn: 265906
* Provide more information in ThreadSanitizer's JSON data. Move remaining ↵Kuba Brecka2016-04-106-61/+290
| | | | | | TSan logic from SBThread to InstrumentationRuntime plugin. llvm-svn: 265905
* [Clang][AVX512][BuiltIn] Adding avx512 ( vcvt ) builtin to clangMichael Zuckerman2016-04-103-0/+412
| | | | | | Differential Revision: http://reviews.llvm.org/D18932 llvm-svn: 265904
* [X86][AVX512] Add vector integer division by constant testsSimon Pilgrim2016-04-102-0/+4428
| | | | | | Added sdiv/srem and udiv/urem tests cases for 512 bit vectors. llvm-svn: 265903
* [X86][AVX512BW] Add support for v64i8 multipliesSimon Pilgrim2016-04-102-595/+59
| | | | | | | | | | Extend the existing lowering of vXi8 multiplies to support v64i8 on avx512bw targets. I added the Lower512IntArith helper function to help with this - not sure how often this could be used in the future, but it seemed better than putting all that logic inside LowerMUL. Differential Revision: http://reviews.llvm.org/D18937 llvm-svn: 265902
* Loop vectorization with uniform loadElena Demikhovsky2016-04-102-0/+56
| | | | | | | | | Vectorization cost of uniform load wasn't correctly calculated. As a result, a simple loop that loads a uniform value wasn't vectorized. Differential Revision: http://reviews.llvm.org/D18940 llvm-svn: 265901
* [ThinLTO] Remove unused parameter (NFC)Teresa Johnson2016-04-101-9/+7
| | | | llvm-svn: 265900
* Correct pg instrumentation for AArch64Saleem Abdulrasool2016-04-102-24/+20
| | | | | | | | | It seems that there was a miscommunication between Renato and I, and the original behaviour of AArch64 was to be preserved and not to mirror the new behaviour. Restore the original behaviour for AArch64. Addresses post-commit review comments from Renato Golin. llvm-svn: 265899
* [X86][AVX512] Regenerated mask op testsSimon Pilgrim2016-04-102-39/+67
| | | | llvm-svn: 265898
* [OCaml] Expose the LLVM diagnostic handlerJeroen Ketema2016-04-107-2/+153
| | | | | | Differential Revision: http://reviews.llvm.org/D18891 llvm-svn: 265897
* Adding avx512 (unpck{h|l}{pd|ps}, rcp14{pd|ps}{128|256},vplzcnt{d|q} ) ↵Michael Zuckerman2016-04-105-4/+752
| | | | | | | | builtin to clang Differential Revision: http://reviews.llvm.org/D18931 llvm-svn: 265896
* [Clang][AVX512][BuiltIn] Adding avx512 ( store ) builtin to clangMichael Zuckerman2016-04-107-1/+268
| | | | | | Differential Revision: http://reviews.llvm.org/D18925 llvm-svn: 265895
* Allow pointer expressions in SCEVs again.Johannes Doerfert2016-04-1015-166/+172
| | | | | | | | | In r247147 we disabled pointer expressions because the IslExprBuilder did not fully support them. This patch reintroduces them by simply treating them as integers. The only special handling for pointers that is left detects the comparison of two address_of operands and uses an unsigned compare. llvm-svn: 265894
* [X86] Use for loops over types to reduce code for setting up operation actions.Craig Topper2016-04-101-150/+97
| | | | llvm-svn: 265893
* [X86] Remove unnecessary setOperationAction for SRA v2i64/v4i64 when VLX is ↵Craig Topper2016-04-101-2/+0
| | | | | | suppored. This is already done for SSE2/AVX2 which VLX implies. NFC llvm-svn: 265892
* Fix asan test failureXinliang David Li2016-04-101-0/+2
| | | | llvm-svn: 265891
* [PGO] Fix deserialize bug Xinliang David Li2016-04-102-1/+43
| | | | | | | | | | Raw function pointer collected by value profile data may be from external functions that are not instrumented. They won't have mapping data to be used by the deserializer. Force the value to be 0 in this case. llvm-svn: 265890
* test: add additional tests for SVN r265888Saleem Abdulrasool2016-04-101-0/+23
| | | | | | Add test cases for AArch64 as well as that was changed as part of that change. llvm-svn: 265889
* Add support for __gnu_mcount_nc as the pg interfaceSaleem Abdulrasool2016-04-102-2/+55
| | | | | | | | | | | This adds support to optionally support using `__gnu_mcount_nc` as the mcount interface rather than `mcount` for Linux and EABI. The other targets do not provide an implementation for `__gnu_mcount_nc`. This can be activated via the `-meabi gnu` flag. Resolves PR23969. llvm-svn: 265888
* Clean up test caseXinliang David Li2016-04-101-40/+36
| | | | llvm-svn: 265887
* [CodeGen] Don't assume that fixed stack objects are aligned in a ↵Charles Davis2016-04-093-7/+49
| | | | | | | | | | | | | | | | | | | | stack-realigned function. Summary: After we make the adjustment, we can assume that for local allocas, but not for stack parameters, the return address, or any other fixed stack object (which has a negative offset and therefore lies prior to the adjusted SP). Fixes PR26662. Reviewers: hfinkel, qcolombet, rnk Subscribers: rnk, llvm-commits Differential Revision: http://reviews.llvm.org/D18471 llvm-svn: 265886
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