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* [lit] Add SANITIZER_IGNORE_CVE_2016_2143 to pass_vars.Marcin Koscielnicki2016-06-261-1/+2
| | | | | | | | | | | | | | | This variable is used by ASan (and other sanitizers in the future) on s390x-linux to override a check for CVE-2016-2143 in the running kernel (see revision 267747 on compiler-rt). Since the check simply checks if the kernel version is in a whitelist of known-good versions, it may miss distribution kernels, or manually-patched kernels - hence the need for this variable. To enable running the ASan testsuite on such kernels, this variable should be passed from the environment down to the testcases. Differential Revision: http://reviews.llvm.org/D19888 llvm-svn: 273825
* Implement LWG 2488 - Make the placeholders constexpr.Eric Fiselier2016-06-264-21/+63
| | | | | | | | | | | | | | | | | | | This patch makes the bind placeholders in std::placeholders both (1) const and (2) constexpr (See below). This is technically a breaking change for any code using the placeholders outside of std::bind and depending on them being non-const. However I don't think this will break any real world code. (1) Previously the placeholders were non-const extern globals in all dialects. This patch changes these extern globals to be const in all dialects. Since the cv-qualifiers don't participate in name mangling for globals this is an ABI compatible change. (2) Make the placeholders constexpr in C++11 and beyond. Although LWG 2488 only applies to C++17 I don't see any reason not to backport this change. llvm-svn: 273824
* Make default_noexcept.pass.cpp container tests more portable. Patch from ↵Eric Fiselier2016-06-2615-27/+42
| | | | | | STL@microsoft.com llvm-svn: 273823
* Work around MSVC bug in atomics.types.generic/address.pass.cpp test. Patch ↵Eric Fiselier2016-06-261-1/+1
| | | | | | from STL@microsoft.com llvm-svn: 273822
* Use L"cat" L"dog" when concatenating string literals. Patch from ↵Eric Fiselier2016-06-261-8/+8
| | | | | | STL@microsoft.com llvm-svn: 273821
* Add array bounds assertions to satisfy MSVC's /analyze flag. Patch from ↵Eric Fiselier2016-06-263-0/+11
| | | | | | STL@microsoft.com llvm-svn: 273820
* Add [[noreturn]] attribute to throw_bad_alloc_helper().Eric Fiselier2016-06-262-3/+8
| | | | llvm-svn: 273819
* Avoid narrowing conversions in quoted test. Patch from STL@microsoft.comEric Fiselier2016-06-261-6/+6
| | | | llvm-svn: 273818
* [LinkerScript] Spell 'character' correctly. NFC.Davide Italiano2016-06-261-1/+1
| | | | llvm-svn: 273817
* Apply clang-tidy's modernize-loop-convert to lib/Analysis.Benjamin Kramer2016-06-2619-121/+105
| | | | | | Only minor manual fixes. No functionality change intended. llvm-svn: 273816
* Revert r273807 (and r273809, r273810), it caused PR28311Nico Weber2016-06-262-240/+3
| | | | llvm-svn: 273815
* Apply clang-tidy's modernize-loop-convert to lib/MC.Benjamin Kramer2016-06-266-67/+56
| | | | | | Only minor manual fixes. No functionality change intended. llvm-svn: 273814
* Apply clang-tidy's modernize-loop-convert to most of lib/IR.Benjamin Kramer2016-06-2610-70/+61
| | | | | | Only minor manual fixes. No functionality change intended. llvm-svn: 273813
* [X86] add _mm_loadu_si64Asaf Badouh2016-06-262-0/+19
| | | | | | Differential Revision: http://reviews.llvm.org/D21504 llvm-svn: 273812
* [CodeExtractor] Merge DEBUG statements in an attempt to fix the msvcBenjamin Kramer2016-06-261-4/+6
| | | | | | | | | build. There's a known bug in msvc 2013 that fails to compile do-while loops inside of ranged for loops. llvm-svn: 273811
* Fixed build failure (due to unused variable error) in r273807.Amjad Aboud2016-06-261-0/+1
| | | | llvm-svn: 273810
* Fixed build failure (due to unused variable error) in r273807.Amjad Aboud2016-06-261-3/+1
| | | | llvm-svn: 273809
* Apply clang-tidy's modernize-loop-convert to most of lib/Transforms.Benjamin Kramer2016-06-2653-519/+398
| | | | | | Only minor manual fixes. No functionality change intended. llvm-svn: 273808
* [codeview] Improved array type support.Amjad Aboud2016-06-262-2/+240
| | | | | | | | | | | Added support for: 1. Multi dimension array. 2. Array of structure type, which previously was declared incompletely. 3. Dynamic size array. Differential Revision: http://reviews.llvm.org/D21526 llvm-svn: 273807
* [tsan] Intercept libcxx __release_shared to avoid false positive with ↵Kuba Brecka2016-06-265-0/+209
| | | | | | | | | | weak_ptrs and destructors in C++ There is a "well-known" TSan false positive when using C++ weak_ptr/shared_ptr and code in destructors, e.g. described at <https://llvm.org/bugs/show_bug.cgi?id=22324>. The "standard" solution is to build and use a TSan-instrumented version of libcxx, which is not trivial for end-users. This patch tries a different approach (on OS X): It adds an interceptor for the specific function in libc++.dylib, which implements the atomic operation that needs to be visible to TSan. Differential Revision: http://reviews.llvm.org/D21609 llvm-svn: 273806
* [RSForGC] Appease MSVCSanjoy Das2016-06-261-2/+4
| | | | llvm-svn: 273805
* [X86] Rewrite lowerVectorShuffleWithPSHUFB to not require a ZeroableMask to ↵Craig Topper2016-06-261-39/+21
| | | | | | be created. We can do everything with the starting mask and zeroable bit vector. This removes the last usage of isSingleInputShuffleMask. NFC llvm-svn: 273804
* [X86] Replace calls to isSingleInputShuffleMask with just checking if V2 is ↵Craig Topper2016-06-261-25/+25
| | | | | | UNDEF. Canonicalization and creation of shuffle vector ensures this is equivalent. llvm-svn: 273803
* [SelectionDAG] Use DAG.getCommutedVectorShuffle instead of reimplementing it.Craig Topper2016-06-261-15/+2
| | | | llvm-svn: 273802
* [LoopUnswitch] Unswitch on conditions feeding into guardsSanjoy Das2016-06-262-7/+130
| | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | Summary: This is a straightforward extension of what LoopUnswitch does to branches to guards. That is, we unswitch ``` for (;;) { ... guard(loop_invariant_cond); ... } ``` into ``` if (loop_invariant_cond) { for (;;) { ... // There is no need to emit guard(true) ... } } else { for (;;) { ... guard(false); // SimplifyCFG will clean this up by adding an // unreachable after the guard(false) ... } } ``` Reviewers: majnemer Subscribers: mcrosier, llvm-commits, mzolotukhin Differential Revision: http://reviews.llvm.org/D21725 llvm-svn: 273801
* [RSForGC] Bring the BDVState struct up to code; NFCSanjoy Das2016-06-261-25/+33
| | | | llvm-svn: 273800
* [RSForGC] Bring computeLiveInValues up to code; NFCSanjoy Das2016-06-261-8/+5
| | | | llvm-svn: 273799
* [RSForGC] Bring computeLiveOutSeed up to code; NFCSanjoy Das2016-06-261-7/+7
| | | | llvm-svn: 273798
* [RSForGC] Bring computeLiveInValues up to code; NFCSanjoy Das2016-06-261-19/+8
| | | | llvm-svn: 273797
* [RSForGC] Bring recomputeLiveInValues up to code; NFCSanjoy Das2016-06-261-9/+9
| | | | llvm-svn: 273796
* [RSForGC] Bring containsGCPtrType, isGCPointerType up to code; NFCSanjoy Das2016-06-261-3/+2
| | | | llvm-svn: 273795
* [RSForGC] Bring analyzeParsePointLiveness up to code; NFCSanjoy Das2016-06-261-7/+7
| | | | llvm-svn: 273794
* [RSForGC] Bring meetBDVStateImpl up to code; NFCSanjoy Das2016-06-261-14/+13
| | | | llvm-svn: 273793
* [RSForGC] Get rid of the unnecessary MeetBDVStates struct; NFCSanjoy Das2016-06-261-58/+36
| | | | | | All of its implementation is in just one function. llvm-svn: 273792
* [RSForGC] Bring findBasePointer up to code; NFCSanjoy Das2016-06-262-110/+96
| | | | | | | Name-casing and minor style changes to bring the function up to the LLVM coding style. llvm-svn: 273791
* [Object, COFF] An import data directory might not consist soley of importsDavid Majnemer2016-06-263-31/+47
| | | | | | | | | | | | | The last import is the penultimate entry, the last entry is nulled out. Data beyond the null entry should not be considered to hold import entries. This fixes PR28302. N.B. I am working on a reduced testcase, the one in PR28302 is too large. llvm-svn: 273790
* [llvm-cov] Simplify the way expansion views are rendered (NFC)Vedant Kumar2016-06-264-35/+38
| | | | | | | | | If a sub-view has already been rendered, it's helpful to re-render the expansion site before rendering the next expansion view. Make this fact explicit in the rendering interface, instead of hiding it behind an awkward Optional<LineRef> parameter. llvm-svn: 273789
* [X86] Convert ==/!= comparisons with -1 for checking undef in shuffle ↵Craig Topper2016-06-251-47/+54
| | | | | | lowering to comparisons of <0 or >=0. While there do the same for other kinds of index checks that can just check for greater than 0. No functional change intended. llvm-svn: 273788
* [X86] Pull similar bitcasts on different paths to earlier shared point. NFCCraig Topper2016-06-251-10/+9
| | | | llvm-svn: 273787
* [clang-tidy] Add modernize-use-usingKrystyna Gajczyk2016-06-258-0/+250
| | | | | | http://reviews.llvm.org/D18919 llvm-svn: 273786
* AMDGPU/R600: Fix GlobalValue regressions.Jan Vesely2016-06-253-7/+13
| | | | | | | | | | | | | | | Don't cast GV expression to MCSymbolRefExpr. r272705 changed GV to binary expressions by including offset even if the offset it 0 (we haven't hit this sooner since tested workloads don't include static offsets) We don't really care about the type of expression, so set it directly. Fixes: r272705 Consider section relative relocations. Since all const as data is in one boffer section relative is equivalent to abs32. Fixes: r273166 Differential Revision: http://reviews.llvm.org/D21633 llvm-svn: 273785
* update tests to use FileCheckSanjay Patel2016-06-251-34/+47
| | | | llvm-svn: 273784
* Fix unused variable warning after r273754.James Y Knight2016-06-251-0/+1
| | | | llvm-svn: 273783
* [cmake] Port the llvm-config option --build-mode to LLVMConfig.cmake via the ↵Michael Gottesman2016-06-251-0/+2
| | | | | | | | | | | | variable LLVM_BUILD_TYPE. This is just a small step in the direction of making LLVMConfig.cmake a complete replacement for llvm-config. For those unfamiliar, llvm-config --build-mode prints out CMAKE_BUILD_TYPE. Thus as one can imagine, LLVM_BUILD_TYPE is @CMAKE_BUILD_TYPE@. llvm-svn: 273782
* Reapply r273664 with workaround for MSVCHubert Tong2016-06-251-0/+45
| | | | | | | | | | Reviewers: rsmith, faisalv, aaron.ballman Subscribers: llvm-commits, cfe-commits, nwilson Differential Revision: http://reviews.llvm.org/D19770 llvm-svn: 273781
* Just a small cleanupDavid Majnemer2016-06-251-30/+21
| | | | | | No functional change is intended llvm-svn: 273780
* Revert "[SimplifyCFG] Stop inserting calls to llvm.trap for UB"David Majnemer2016-06-2510-31/+73
| | | | | | This reverts commit r273778, it seems to break UBSan :/ llvm-svn: 273779
* [SimplifyCFG] Stop inserting calls to llvm.trap for UBDavid Majnemer2016-06-2510-73/+31
| | | | | | | | | | | | | | | | | SimplifyCFG had logic to insert calls to llvm.trap for two very particular IR patterns: stores and invokes of undef/null. While InstCombine canonicalizes certain undefined behavior IR patterns to stores of undef, phase ordering means that this cannot be relied upon in general. There are much better tools than llvm.trap: UBSan and ASan. N.B. I could be argued into reverting this change if a clear argument as to why it is important that we synthesize llvm.trap for stores, I'd be hard pressed to see why it'd be useful for invokes... llvm-svn: 273778
* [InstSimplify] Replace calls to null with undefDavid Majnemer2016-06-252-1/+18
| | | | | | | Calling null is undefined behavior, we can simplify the resulting value to undef. llvm-svn: 273777
* [SimplifyCFG] Replace calls to null/undef with unreachableDavid Majnemer2016-06-253-1/+42
| | | | | | | Calling null is undefined behavior, a call to undef can be trivially treated as a call to null. llvm-svn: 273776
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