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* Allow to truncate left shift with non-constant shift amountStanislav Mekhanoshin2017-06-283-79/+86
| | | | | | | | | | | That is pretty common for clang to produce code like (shl %x, (and %amt, 31)). In this situation we can still perform trunc (shl) into shl (trunc) conversion given the known value range of shift amount. Differential Revision: https://reviews.llvm.org/D34723 llvm-svn: 306499
* [DAG] Fold FrameIndex offset into BaseIndexOffset analysis. NFCI.Nirav Dave2017-06-283-28/+25
| | | | | | | Pull FrameIndex comparision reasoning from DAGCombiner::isAlias to general BaseIndexOffset. llvm-svn: 306498
* Remove a redundant call to ArgList::hasFlag. NFC.Vedant Kumar2017-06-281-7/+6
| | | | llvm-svn: 306497
* Check the produced file instead of stderr.Rafael Espindola2017-06-281-2/+3
| | | | | | | | | | It is somewhat pointless to check that a specific error is not produced. That is already checked by the ld.lld exit value. Instead make the test a bit stronger by checking that the output file has the expected symbol and section. llvm-svn: 306496
* Inlining: Don't re-map simplified cloned instructions.Kyle Butt2017-06-281-4/+5
| | | | | | | | | | | | | When simplifying an instruction that has been re-mapped, it should never simplify to an instruction in the original function. In the edge case where we are inlining a function into itself, the existing code led to incorrect behavior. Replace the incorrect code with an assert verifying that we never expect simplification to produce an instruction in the old function, unless the functions are the same. Differential Revision: https://reviews.llvm.org/D33850 llvm-svn: 306495
* [CodeGen] Fix assertion failure in EmitCallArg.Akira Hatanaka2017-06-282-1/+36
| | | | | | | | | | | | | | The assertion was failing when a method of a parameterized class was called and the types of the argument and parameter didn't match. To fix the failure, move the assertion in EmitCallArg to its only caller EmitCallArgs and require the argument and parameter types match only when the method is not parameterized. rdar://problem/32874473 Differential Revision: https://reviews.llvm.org/D34665 llvm-svn: 306494
* [asan] Fix windows build.Evgeniy Stepanov2017-06-281-1/+0
| | | | llvm-svn: 306493
* [TableGen] Improve Debug Output for --debug-only=subtarget-emitter NFCIJoel Jones2017-06-282-0/+8
| | | | | | | | | Add headers for each section of output, with white space and "+++" to improve readability. Differential Revision: https://reviews.llvm.org/D34713 llvm-svn: 306492
* Add missing library dependency.Peter Collingbourne2017-06-281-1/+1
| | | | llvm-svn: 306491
* [COFF, ARM64] Add support for Windows ARM64 COFF formatMandeep Singh Grang2017-06-2716-5/+249
| | | | | | | | | | | | | | | | Summary: This is the llvm part of the initial implementation to support Windows ARM64 COFF format. I will gradually add more functionality in subsequent patches. Reviewers: ruiu, rnk, t.p.northover, compnerd Reviewed By: ruiu, compnerd Subscribers: aemerson, mgorny, javed.absar, llvm-commits, kristof.beyls Differential Revision: https://reviews.llvm.org/D34705 llvm-svn: 306490
* [COFF, ARM64] Add support for Windows ARM64 COFF formatMandeep Singh Grang2017-06-272-0/+45
| | | | | | | | | | | | | | Summary: This is the clang part of the initial implementation to support Windows ARM64 COFF format. Reviewers: ruiu, t.p.northover, rnk, compnerd Reviewed By: ruiu, compnerd Subscribers: aemerson, kristof.beyls, cfe-commits, llvm-commits Differential Revision: https://reviews.llvm.org/D34706 llvm-svn: 306489
* Object: Teach irsymtab::read() to try to use the irsymtab that we wrote to disk.Peter Collingbourne2017-06-276-9/+89
| | | | | | | | Fixes PR27551. Differential Revision: https://reviews.llvm.org/D33974 llvm-svn: 306488
* Bitcode: Write the irsymtab to disk.Peter Collingbourne2017-06-2717-11/+138
| | | | | | Differential Revision: https://reviews.llvm.org/D33973 llvm-svn: 306487
* Object: Add version and producer fields to the irsymtab header. NFCI.Peter Collingbourne2017-06-272-0/+30
| | | | | | | | | These will be necessary in order to handle upgrades from old bitcode files. Differential Revision: https://reviews.llvm.org/D33972 llvm-svn: 306486
* [CGP] add specialization for memcmp expansion with only one basic blockSanjay Patel2017-06-275-163/+134
| | | | llvm-svn: 306485
* [NewPM/Inliner] Reduce threshold for cold callsites in the non-PGO caseEaswaran Raman2017-06-273-44/+120
| | | | | | Differential Revision: https://reviews.llvm.org/D34312 llvm-svn: 306484
* [libclang] Support for querying the exception specification type through ↵Jonathan Coe2017-06-277-3/+205
| | | | | | | | | | | | | | | | | | | libclang Summary: This patch exposes the exception specification type (noexcept, etc.) of a C++ function through libclang and Python clang.cindex. Reviewers: rsmith, aaron.ballman Reviewed By: aaron.ballman Subscribers: jbcoe, cfe-commits Differential Revision: https://reviews.llvm.org/D34091 Patch by Andrew Bennieston llvm-svn: 306483
* [msan] Intercept wcscat, wcsncat.Evgeniy Stepanov2017-06-275-69/+145
| | | | | | | | | | | | | | Also move wcslen, wscnlen to common interceptors. Reviewers: vitalybuka Reviewed By: vitalybuka Subscribers: kubamracek, llvm-commits Differential Revision: https://reviews.llvm.org/D34656 llvm-svn: 306482
* GlobalISel: add some more sanity-checking to MachineInstrBuilder. NFC.Tim Northover2017-06-271-1/+15
| | | | llvm-svn: 306481
* [Profile] Remove redundant callXinliang David Li2017-06-271-1/+0
| | | | llvm-svn: 306480
* [JSONImport] Check, if the size of an imported array is positiveAndreas Simbuerger2017-06-274-1/+214
| | | | llvm-svn: 306479
* [AArch64] Inline callee if its target-features are a subset of the callerFlorian Hahn2017-06-273-0/+57
| | | | | | | | | | | | | | | | | | | Summary: Similar to X86, it should be safe to inline callees if their target-features are a subset of the caller. This change matches GCC's inlining behavior with respect to attributes [1]. [1] https://gcc.gnu.org/onlinedocs/gcc/AArch64-Function-Attributes.html#AArch64-Function-Attributes Reviewers: kristof.beyls, javed.absar, rengolin, t.p.northover Reviewed By: t.p.northover Subscribers: aemerson, eraman, llvm-commits Differential Revision: https://reviews.llvm.org/D34698 llvm-svn: 306478
* [EarlyCSE][MemorySSA] Enable MemorySSA in function-simplification pass of ↵Geoff Berry2017-06-274-4/+6
| | | | | | EarlyCSE. llvm-svn: 306477
* [Analysis] Revert r306472 changes in LoopInfo headers to fix broken builds.Eugene Zelenko2017-06-273-120/+69
| | | | llvm-svn: 306476
* [GISel]: Add G_FEXP, G_FEXP2 opcodesAditya Nandakumar2017-06-275-0/+50
| | | | | | | Also add IRTranslator support. https://reviews.llvm.org/D34710 llvm-svn: 306475
* clang-format a file.Rafael Espindola2017-06-271-59/+64
| | | | | | | It had a few inconsistent indentations that made a followup patch hard to read. llvm-svn: 306474
* re-commit r306336: Enable vectorizer-maximize-bandwidth by default.Dehao Chen2017-06-2712-68/+77
| | | | | | Differential Revision: https://reviews.llvm.org/D33341 llvm-svn: 306473
* [Analysis] Fix some Clang-tidy modernize-use-using and Include What You Use ↵Eugene Zelenko2017-06-277-238/+318
| | | | | | warnings; other minor fixes (NFC). llvm-svn: 306472
* [CGP] eliminate a sub instruction in memcmp expansionSanjay Patel2017-06-276-146/+120
| | | | | | | | | | | | | | | | | | | | | | As noted in D34071, there are some IR optimization opportunities that could be handled by normal IR passes if this expansion wasn't happening so late in CGP. Regardless of that, it seems wasteful to knowingly produce suboptimal IR here, so I'm proposing this change: %s = sub i32 %x, %y %r = icmp ne %s, 0 => %r = icmp ne %x, %y Changing the predicate to 'eq' mimics what InstCombine would do, so that's just an efficiency improvement if we decide this expansion should happen sooner. The fact that the PowerPC backend doesn't eliminate the 'subf.' might be something for PPC folks to investigate separately. Differential Revision: https://reviews.llvm.org/D34416 llvm-svn: 306471
* GlobalISel: verify that a COPY is trivial when created.Tim Northover2017-06-273-6/+11
| | | | | | | | | | | | Without this check, COPY instructions can actually be one of the generic casts in disguise. That's confusing and bad. At some point during ISel this restriction has to be relaxed since the fully selected instructions will usually use COPY for those purposes. Right now I think it's possible that relaxation occurs during RegBankSelect (hence the change there). I'm not convinced that's where it belongs long-term though. llvm-svn: 306470
* Upstream the 'eInstrumentationRuntimeTypeSwiftRuntimeReporting' value of the ↵Kuba Mracek2017-06-271-0/+1
| | | | | | 'eInstrumentationRuntimeType' enum from the swift-lldb project (to avoid potential clashes). llvm-svn: 306469
* Clean up a test caseXinliang David Li2017-06-271-34/+41
| | | | llvm-svn: 306468
* [Sema] Allow unmarked overloadable functions.George Burgess IV2017-06-279-44/+224
| | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | This patch extends the `overloadable` attribute to allow for one function with a given name to not be marked with the `overloadable` attribute. The overload without the `overloadable` attribute will not have its name mangled. So, the following code is now legal: void foo(void) __attribute__((overloadable)); void foo(int); void foo(float) __attribute__((overloadable)); In addition, this patch fixes a bug where we'd accept code with `__attribute__((overloadable))` inconsistently applied. In other words, we used to accept: void foo(void); void foo(void) __attribute__((overloadable)); But we will do this no longer, since it defeats the original purpose of requiring `__attribute__((overloadable))` on all redeclarations of a function. This breakage seems to not be an issue in practice, since the only code I could find that had this pattern often looked like: void foo(void); void foo(void) __attribute__((overloadable)) __asm__("foo"); void foo(int) __attribute__((overloadable)); ...Which can now be simplified by simply removing the asm label and overloadable attribute from the redeclaration of `void foo(void);` Differential Revision: https://reviews.llvm.org/D32332 llvm-svn: 306467
* Create a PHI value when merging with a known undef live-inKrzysztof Parzyszek2017-06-272-8/+54
| | | | | | Differential Revision: https://reviews.llvm.org/D34640 llvm-svn: 306466
* Add more stringent tests for the resource section of executables.Eric Beckmann2017-06-278-3/+127
| | | | | | | | | | | | Summary: The testing on the resource section of executables produced by lld has been very lax, and allowed a major bug to go unnoticed when we switched from shelling out to cvtres.exe to using llvm's own library. These additional tests should cover all the major failure points. Reviewers: zturner, ruiu Subscribers: llvm-commits Differential Revision: https://reviews.llvm.org/D34664 llvm-svn: 306465
* [WebAssembly] Only run WebAssembly objdump tests if it is enabled as a targetSam Clegg2017-06-271-0/+2
| | | | | | Differential Revision: https://reviews.llvm.org/D34712 llvm-svn: 306464
* Don't build tsan/dd when COMPILER_RT_HAS_TSAN is falseFrancis Ricci2017-06-271-3/+3
| | | | llvm-svn: 306463
* [AArch64] Performance enhancements for Cavium ThunderX2 T99Joel Jones2017-06-272-166/+1059
| | | | | | | | | | | | | | This patch enables significant performance enhancements to the Cavium ThunderX2T99 LLVM backend, as observed by running SPEC2K6, by adding more detailed scheduling information. Related Bugzilla bug: http://bugs.llvm.org/show_bug.cgi?id=32562 Patch by: steleman Differential Revision: https://reviews.llvm.org/D31801 llvm-svn: 306462
* [WebAssembly] Add support for printing relocations with llvm-objdumpSam Clegg2017-06-274-3/+31
| | | | | | Differential Revision: https://reviews.llvm.org/D34658 llvm-svn: 306461
* [build system] If there's an OVERRIDE, don't guess the current SCM.Sean Callanan2017-06-272-0/+14
| | | | | | | | This makes automatic checkout work even in situations where the current repository can't be determined, such as in the case of a Git tag. llvm-svn: 306460
* [WebAssembly] Add data size and alignement to linking sectionSam Clegg2017-06-2713-72/+163
| | | | | | | | | The overal size of the data section (including BSS) is otherwise not included in the wasm binary. Differential Revision: https://reviews.llvm.org/D34657 llvm-svn: 306459
* [Hexagon] Use proper predicate register state when expanding PS_vselectKrzysztof Parzyszek2017-06-272-3/+68
| | | | llvm-svn: 306458
* [InstCombine] Propagate nsw flag when turning mul by pow2 into shift when ↵Craig Topper2017-06-272-7/+5
| | | | | | | | | | | | the constant is a vector splat or the scalar bit width is larger than 64-bits The check to see if we can propagate the nsw flag used m_ConstantInt(uint64_t*&) which doesn't work with splat vectors and has a restriction that the bitwidth of the ConstantInt must be 64-bits are less. This patch changes it to use m_APInt to remove both these issues Differential Revision: https://reviews.llvm.org/D34699 llvm-svn: 306457
* [Constants] Fix copy-pasto in llvm_unreachable message. NFCCraig Topper2017-06-271-1/+1
| | | | llvm-svn: 306456
* Don't double-include cfi tests on linuxFrancis Ricci2017-06-271-1/+4
| | | | llvm-svn: 306455
* Loop directly over sanitizers to build in cmakeFrancis Ricci2017-06-272-34/+9
| | | | | | | | | | | | Summary: Cleaner than computing the intersection for each possible sanitizer Reviewers: compnerd, beanz Subscribers: llvm-commits, mgorny Differential Revision: https://reviews.llvm.org/D34693 llvm-svn: 306453
* [CGP] simplify code to get bswap in memcmp expansion; NFCISanjay Patel2017-06-271-3/+1
| | | | llvm-svn: 306452
* Only test sanitizers that are built when COMPILER_RT_SANITIZERS_TO_BUILD is usedFrancis Ricci2017-06-272-42/+35
| | | | | | | | | | | | Summary: This allows check-all to be used when only a subset of the sanitizers are built. Reviewers: beanz, compnerd, rnk, pcc Subscribers: llvm-commits, mgorny Differential Revision: https://reviews.llvm.org/D34644 llvm-svn: 306450
* [AMDGPU] Add 2 new alignbit patternsStanislav Mekhanoshin2017-06-272-0/+151
| | | | | | Differential Revision: https://reviews.llvm.org/D34655 llvm-svn: 306449
* [CodeExtractor] Prevent extraction of block involving blockaddressSerge Guelton2017-06-273-0/+106
| | | | | | | | | BlockAddress are only valid within their function context, which does not interact well with CodeExtractor. Detect this case and prevent it. Differential Revision: https://reviews.llvm.org/D33839 llvm-svn: 306448
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