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* [WebAssembly] Disable the store-results optimization.Dan Gohman2016-08-187-154/+70
| | | | | | | | | | The WebAssemly spec removing the return value from store instructions, so remove the associated optimization from LLVM. This patch leaves the store instruction operands in place for now, so stores now always write to "$drop"; these will be removed in a seperate patch. llvm-svn: 279100
* [Assumptions] Make collecting ephemeral values not quadratic in theChandler Carruth2016-08-181-23/+38
| | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | number of assume intrinsics. The classical way to have a cache-friendly vector style container when we need queue semantics for BFS instead of stack semantics for DFS is to use an ever-growing vector and an index. Erasing from the front requires O(size) work, and unless we expect the worklist to grow *very* large, its probably cheaper to just grow and race down the list. But that makes it more bad that we're putting the assume intrinsics in this at all. We end up looking at the (by definition empty) use list to see if they're ephemeral (when we've already put them in that set), etc. Instead, directly populate the worklist with the operands when we mark the assume intrinsics as ephemeral. Also, test the visited set *before* putting things into the worklist so we don't accumulate the same value in the list 100s of times. It would be nice to use a set-vector for this but I think its useful to test the set earlier to avoid repeatedly querying whether the same instruction is safe to speculate. Hopefully with these changes the number of values pushed onto the worklist is smaller, and we avoid quadratic work by letting it grow as necessary. Differential Revision: https://reviews.llvm.org/D23396 llvm-svn: 279099
* Fixed a problem where we failed to get the size of an Objective-C type.Sean Callanan2016-08-181-1/+3
| | | | | | <rdar://problem/27897056> llvm-svn: 279098
* Revert "[Driver] Use llvm-config.h, not config.h to unbreak out-of-tree builds"Vedant Kumar2016-08-181-1/+1
| | | | | | | This reverts commit r279035. According to Richard Smith, llvm-config.h does not contain the right definitions. llvm-svn: 279097
* Module: add -fprebuilt-module-path to support loading prebuilt modules.Manman Ren2016-08-1819-35/+155
| | | | | | | | | | | | | In this mode, there is no need to load any module map and the programmer can simply use "@import" syntax to load the module directly from a prebuilt module path. When loading from prebuilt module path, we don't support rebuilding of the module files and we ignore compatible configuration mismatches. rdar://27290316 Differential Revision: http://reviews.llvm.org/D23125 llvm-svn: 279096
* Fix -Wpessimizing-move error, NFCVedant Kumar2016-08-181-1/+1
| | | | llvm-svn: 279095
* [InstCombine] clean up foldICmpUDivConstant; NFCSanjay Patel2016-08-181-16/+12
| | | | | | | 1. Better variable names 2. Remove unnecessary check of ConstantInt llvm-svn: 279094
* [libclang] Added missing entry for newly introduced ↵Cameron Desrochers2016-08-181-0/+1
| | | | | | 'clang_getAllSkippedRanges' to libclang.exports llvm-svn: 279092
* Reapply "ADT: Remove references in has_rbegin for reverse()"Duncan P. N. Exon Smith2016-08-182-12/+74
| | | | | | | | | | | | | | | | | | | | | | | This reverts commit r279086, reapplying r279084. I'm not sure what I ran before, because the compile failure for ADTTests reproduced locally. The problem is that TestRev is calling BidirectionalVector::rbegin() when the BidirectionalVector is const, but rbegin() is always non-const. I've updated BidirectionalVector::rbegin() to be callable from const. Original commit message follows. -- As a follow-up to r278991, add some tests that check that decltype(reverse(R).begin()) == decltype(R.rbegin()), and get them passing by adding std::remove_reference to has_rbegin. I'm using static_assert instead of EXPECT_TRUE (and updated the other has_rbegin check from r278991 in the same way) since I figure that's more helpful. llvm-svn: 279091
* [CMake] Stop building eprintf library on DarwinChris Bieneman2016-08-181-26/+0
| | | | | | In r278988 clang stopped using the eprintf library, so we should stop generating it too. llvm-svn: 279090
* Resubmit "Write the TPI stream from a PDB to Yaml."Zachary Turner2016-08-1828-260/+2059
| | | | | | | | The original patch was breaking some buildbots due to an incorrect ordering of function definitions which caused some compilers to recognize a definition but others to not. llvm-svn: 279089
* llvm-objdump: add coff import library symbol listing supportSaleem Abdulrasool2016-08-185-0/+55
| | | | | | | | | | This adds behaviour similar to binutils' objdump which can show symbols in an import library. Differences from that stem around the fact that we do not create section symbols nor the all import import descriptor symbol reference. However, this does mean that the tool can serve as a possible replacement for the existing tool. llvm-svn: 279088
* [SCEVValidator] Don't reorder multiplies in extractConstantFactor.Eli Friedman2016-08-182-5/+43
| | | | | | | | | | | The existing code would add the operands in the wrong order, and eventually crash because the SCEV expression doesn't exactly match the parameter SCEV expression in SCEVAffinator::visit. (SCEV doesn't sort the operands to getMulExpr in general.) Differential Revision: https://reviews.llvm.org/D23592 llvm-svn: 279087
* Revert "ADT: Remove references in has_rbegin for reverse()"Duncan P. N. Exon Smith2016-08-182-69/+7
| | | | | | | This reverts commit r279084, since it failed on a bot: http://bb.pgr.jp/builders/cmake-llvm-x86_64-linux/builds/41733 llvm-svn: 279086
* [libclang] Fixed signed/unsigned comparison warning introduced in my ↵Cameron Desrochers2016-08-181-1/+1
| | | | | | revision r279076 llvm-svn: 279085
* ADT: Remove references in has_rbegin for reverse()Duncan P. N. Exon Smith2016-08-182-7/+69
| | | | | | | | | | | | As a follow-up to r278991, add some tests that check that decltype(reverse(R).begin()) == decltype(R.rbegin()), and get them passing by adding std::remove_reference to has_rbegin. I'm using static_assert instead of EXPECT_TRUE (and updated the other has_rbegin check from r278991 in the same way) since I figure that's more helpful. llvm-svn: 279084
* CVP. Turn marking adds as no wrap (introduced by r278107) off by defaultArtur Pilipenko2016-08-182-1/+6
| | | | | | It causes a regression on our internal benchmark. Introduce cvp-dont-process flag and set it off by default while investigating the regression. llvm-svn: 279082
* [AArch64][GlobalISel] Select floating-point binary ops.Ahmed Bougacha2016-08-183-0/+283
| | | | | | There is no FREM instruction, but the others are straightforward. llvm-svn: 279081
* [GlobalISel] Add floating-point binary ops.Ahmed Bougacha2016-08-184-5/+129
| | | | llvm-svn: 279080
* [IRCE] Switch over to LLVM_DUMP_METHOD. NFCI.Davide Italiano2016-08-181-2/+1
| | | | llvm-svn: 279079
* [ARM] Correct ARMv8*-A optional extension definitions in TargetParserRichard Barton2016-08-182-6/+5
| | | | | | | | | | | | | | | | | | | | | The ARMv8*-A descriptions in the ARM and AArch64 TargetParsers are incorrect architecturally and mismatched to the backend descriptions. RAS is an optional extension to ARMv8-A and ARMv8.1-A and mandatory in ARMv8.2-A. Correct the ARMTargetParser descriptions which had this as enabled by default in the earlier versions. The FP16 and SPE extensions are optional in ARMv8.2-A and the backend defaults them as off. They are not available as extensions to earlier ARMv8-A versions. Correct the AArch64TargetParser which had these as enabled by default in all ARMv8-A definitions. These macros are only used to define preprocessor macros. There are no macros yet as ACLE has not caught up with ARMv8.2-A so not possible to add a test. Differential Revision: https://reviews.llvm.org/D23500 llvm-svn: 279078
* [InstCombine] use m_APInt to allow icmp (mul X, Y), C folds for splat ↵Sanjay Patel2016-08-182-21/+15
| | | | | | | | | | | | constant vectors This is a sibling of: https://reviews.llvm.org/rL278859 https://reviews.llvm.org/rL278935 https://reviews.llvm.org/rL278945 https://reviews.llvm.org/rL279066 llvm-svn: 279077
* [libclang] Add clang_getAllSkippedRanges functionCameron Desrochers2016-08-183-2/+116
| | | | | | | | | | This complements the clang_getSkippedRanges function which returns skipped ranges filtered by a specific file. This function is useful when all the ranges are desired (and a lot more efficient than the equivalent of asking for the ranges file by file, since the implementation of clang_getSkippedRanges iterates over all ranges anyway). Differential Revision: https://reviews.llvm.org/D20132 llvm-svn: 279076
* [WebAssembly] Refactor WebAssemblyLowerEmscriptenException pass for ↵Derek Schuff2016-08-186-133/+191
| | | | | | | | | | | | | | | | | | | | | | setjmp/longjmp This patch changes the code structure of WebAssemblyLowerEmscriptenException pass to support both exception handling and setjmp/longjmp. It also changes the name of the pass and the source file. 1. Change the file/pass name to WebAssemblyLowerEmscriptenExceptions -> WebAssemblyLowerEmscriptenEHSjLj to make it clear that it supports both EH and SjLj 2. List function / global variable names at the top so they can be changed easily 3. Some cosmetic changes Patch by Heejin Ahn Differential Revision: https://reviews.llvm.org/D23588 llvm-svn: 279075
* [AArch64][GlobalISel] Select G_SDIV/G_UDIV.Ahmed Bougacha2016-08-183-1/+137
| | | | | | | | There is no REM instruction; that will require an expansion. It's not obvious that should be done in select, rather than as a (custom?) legalization. llvm-svn: 279074
* [GlobalISel] Add support for DIV/REM.Ahmed Bougacha2016-08-184-4/+102
| | | | llvm-svn: 279073
* [InstCombine] use APInt in isSignTest instead of ConstantInt; NFCSanjay Patel2016-08-181-6/+7
| | | | | | | This will enable vector splat folding, but NFC until the callers have their ConstantInt restrictions removed. llvm-svn: 279072
* [compiler-rt][tests] cpu_model_test.c test fails to compile if X86 is not ↵Oleg Ranevskyy2016-08-181-0/+2
| | | | | | | | | | | | | | | | | | clang's default target Summary: test/builtins/Unit/cpu_model_test.c tests the X86 specific builtin `__builtin_cpu_supports`. It fails if the clang's default target is not X86. The proposed patch adds an additional requirement for the X86 target to the test, making lit ignore the test if the target is different. Reviewers: asbirlea Subscribers: dberris, llvm-commits Differential Revision: https://reviews.llvm.org/D23633 llvm-svn: 279071
* gdb-remote: Remove manual locking from GetShlibInfoAddrPavel Labath2016-08-181-16/+4
| | | | | | | The function can simply call the non-NoLock version of the SendPacket function and let it do the locking. llvm-svn: 279070
* llvm-readobj: handle import libraries with -coff-exportsSaleem Abdulrasool2016-08-183-0/+24
| | | | | | | | `link -dump -exports` lists exported symbols from import libraries as well as normal dlls. Ensure that we can handle import libraries as well in llvm-readobj. llvm-svn: 279069
* fix typo; NFCSanjay Patel2016-08-181-1/+1
| | | | llvm-svn: 279068
* [Hexagon] Create vcombine in HexagonCopyToCombineKrzysztof Parzyszek2016-08-182-18/+112
| | | | llvm-svn: 279067
* [InstCombine] use m_APInt to allow icmp (xor X, Y), C folds for splat ↵Sanjay Patel2016-08-185-29/+16
| | | | | | | | | | | constant vectors This is a sibling of: https://reviews.llvm.org/rL278859 https://reviews.llvm.org/rL278935 https://reviews.llvm.org/rL278945 llvm-svn: 279066
* [X86][SSE] Add SSE1 tests to make sure we don't merge loads on illegal typesSimon Pilgrim2016-08-181-123/+499
| | | | llvm-svn: 279065
* [mips] Correct tail call encoding for MIPSR6Simon Dardis2016-08-1811-41/+74
| | | | | | | | | | | | | r277708 enabled tails calls for MIPS but used the 'jr' instruction when the jump target was held in a register. For MIPSR6, 'jalr $zero, $reg' should have been used. Additionally, add missing patterns for external and global symbols for tail calls. Reviewers: dsanders, vkalintiris Differential Review: https://reviews.llvm.org/D23301 llvm-svn: 279064
* [Reassociate] Add test for PR28367.Chad Rosier2016-08-181-0/+28
| | | | llvm-svn: 279063
* Add header guards to asan_descriptions.hFilipe Cabecinhas2016-08-181-0/+4
| | | | llvm-svn: 279062
* (Trivial) TargetPassConfig: assert when TargetMachine has no MCAsmInfoAlex Bradbury2016-08-181-1/+3
| | | | | | | | | | | | | | | Summary: This is a pretty trivial, but I thought it was worth just checking that nobody feels it's completely the wrong thing to be doing. The motivation is that when starting a new backend, you often start with a minimal stub, pretty much just FooTargetMachine and FooTargetInfo. Once that's built, you might naturally try `llc -march=foo myinput.ll` and it seems more developer-friendly if this ends up asserting due to the lack of MCAsmInfo with an informative message rather than just segfaulting. Reviewers: MatzeB, chandlerc Subscribers: bogner, llvm-commits Differential Revision: https://reviews.llvm.org/D23443 llvm-svn: 279061
* [ELF] - Linkerscript: removed duplicate forward declarations, regrouped. NFC.George Rimar2016-08-181-4/+1
| | | | llvm-svn: 279060
* [ELF] - Inline defineSymbolVersion(). NFC.George Rimar2016-08-182-8/+1
| | | | llvm-svn: 279059
* ELF: ignore -EB and -EL optionsEd Maste2016-08-181-0/+2
| | | | | | Differential Revision: https://reviews.llvm.org/D23124 llvm-svn: 279058
* Move QSyncThreadState packet generation to the gdb-remote clientPavel Labath2016-08-185-29/+36
| | | | llvm-svn: 279057
* [analyzer] Teach CloneDetector to find clones that look like copy-paste errors.Artem Dergachev2016-08-184-23/+328
| | | | | | | | | | | | | | | | | | | The original clone checker tries to find copy-pasted code that is exactly identical to the original code, up to minor details. As an example, if the copy-pasted code has all references to variable 'a' replaced with references to variable 'b', it is still considered to be an exact clone. The new check finds copy-pasted code in which exactly one variable seems out of place compared to the original code, which likely indicates a copy-paste error (a variable was forgotten to be renamed in one place). Patch by Raphael Isemann! Differential Revision: https://reviews.llvm.org/D23314 llvm-svn: 279056
* Correct the documentation for isSignedInteger() and isUnsignedInteger().Aaron Ballman2016-08-182-4/+4
| | | | | | Patch by Visoiu Mistrih Francis llvm-svn: 279055
* Remove trailing whitespaceSimon Pilgrim2016-08-181-9/+9
| | | | llvm-svn: 279054
* Revert "ADT: Remove UB in ilist (and use a circular linked list)"Diana Picus2016-08-183-243/+287
| | | | | | | This reverts commit r278974 which broke some of our bots (e.g. clang-cmake-aarch64-42vma, clang-cmake-aarch64-full). llvm-svn: 279053
* Revert "ADT: Tidy up ilist_traits static asserts, NFC"Diana Picus2016-08-182-33/+19
| | | | | | | This reverts commit r279012. r278974 broke some bots, I have to revert this to get to it. llvm-svn: 279052
* [clang-tidy docs] Minor fixAlexander Kornienko2016-08-181-1/+1
| | | | llvm-svn: 279051
* [clang-tidy docs] Fix formatting.Alexander Kornienko2016-08-181-0/+1
| | | | llvm-svn: 279050
* [clang-tidy docs] Fix build errors on Sphinx 1.4.5Alexander Kornienko2016-08-188-48/+86
| | | | llvm-svn: 279049
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