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* [Sema] -Wtautological-constant-compare is too good. Cripple it.Roman Lebedev2018-01-037-42/+59
| | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | Summary: The diagnostic was mostly introduced in D38101 by me, as a reaction to wasting a lot of time, see [[ https://lists.llvm.org/pipermail/cfe-commits/Week-of-Mon-20171009/206427.html | mail ]]. However, the diagnostic is pretty dumb. While it works with no false-positives, there are some questionable cases that are diagnosed when one would argue that they should not be. The common complaint is that it diagnoses the comparisons between an `int` and `long` when compiling for a 32-bit target as tautological, but not when compiling for 64-bit targets. The underlying problem is obvious: data model. In most cases, 64-bit target is `LP64` (`int` is 32-bit, `long` and pointer are 64-bit), and the 32-bit target is `ILP32` (`int`, `long`, and pointer are 32-bit). I.e. the common pattern is: (pseudocode) ``` #include <limits> #include <cstdint> int main() { using T1 = long; using T2 = int; T1 r; if (r < std::numeric_limits<T2>::min()) {} if (r > std::numeric_limits<T2>::max()) {} } ``` As an example, D39149 was trying to fix this diagnostic in libc++, and it was not well-received. This *could* be "fixed", by changing the diagnostics logic to something like `if the types of the values being compared are different, but are of the same size, then do diagnose`, and i even attempted to do so in D39462, but as @rjmccall rightfully commented, that implementation is incomplete to say the least. So to stop causing trouble, and avoid contaminating upcoming release, lets do this workaround: * move these three diags (`warn_unsigned_always_true_comparison`, `warn_unsigned_enum_always_true_comparison`, `warn_tautological_constant_compare`) into it's own `-Wtautological-constant-in-range-compare` * Disable them by default * Make them part of `-Wextra` * Additionally, give `warn_tautological_constant_compare` it's own flag `-Wtautological-type-limit-compare`. I'm not happy about that name, but i can't come up with anything better. This way all three of them can be enabled/disabled either altogether, or one-by-one. Reviewers: aaron.ballman, rsmith, smeenai, rjmccall, rnk, mclow.lists, dim Reviewed By: aaron.ballman, rsmith, dim Subscribers: thakis, compnerd, mehdi_amini, dim, hans, cfe-commits, rjmccall Tags: #clang Differential Revision: https://reviews.llvm.org/D41512 git-svn-id: https://llvm.org/svn/llvm-project/cfe/trunk@321691 91177308-0d34-0410-b5e6-96231b3b80d8
* PR35697: look at the first declaration when determining whether a function orRichard Smith2018-01-031-0/+17
| | | | | | | variable is extern "C" in linkage calculations. git-svn-id: https://llvm.org/svn/llvm-project/cfe/trunk@321686 91177308-0d34-0410-b5e6-96231b3b80d8
* Fix and simplify handling of return type for (generic) lambda conversion ↵Richard Smith2018-01-022-4/+39
| | | | | | | | | | | | | | | | | | | | | | | | | | | | | function to function pointer. Previously, we would: * compute the type of the conversion function and static invoker as a side-effect of template argument deduction for a conversion * re-compute the type as part of deduced return type deduction when building the conversion function itself Neither of these turns out to be quite correct. There are other ways to reach a declaration of the conversion function than in a conversion (such as an explicit call or friend declaration), and performing auto deduction causes the function type to be rebuilt in the context of the lambda closure type (which is different from the context in which it originally appeared, resulting in spurious substitution failures for constructs that are valid in one context but not the other, such as the use of an enclosing class's "this" pointer). This patch switches us to use a different strategy: as before, we use the declared type of the operator() to form the type of the conversion function and invoker, but we now populate that type as part of return type deduction for the conversion function. And the invoker is now treated as simply being an implementation detail of building the conversion function, and isn't given special treatment by template argument deduction for the conversion function any more. git-svn-id: https://llvm.org/svn/llvm-project/cfe/trunk@321683 91177308-0d34-0410-b5e6-96231b3b80d8
* [analyzer] do not crash with assertion on processing locations of bodyfarmed ↵George Karpenkov2018-01-021-4/+5
| | | | | | | | | | | | | | | functions This addresses an issue introduced in r183451: since `removePiecesWithInvalidLocations` is called *after* `adjustCallLocations`, it is not necessary, and in fact harmful, to have this assertion in adjustCallLocations. Addresses rdar://36170689 Differential Revision: https://reviews.llvm.org/D41680 git-svn-id: https://llvm.org/svn/llvm-project/cfe/trunk@321682 91177308-0d34-0410-b5e6-96231b3b80d8
* [WinEH] Allow for multiple terminatepadsReid Kleckner2018-01-021-10/+16
| | | | | | | | | Fixes verifier errors with Windows EH and OpenMP, which injects a terminate scope around parallel blocks. Fixes PR35778 git-svn-id: https://llvm.org/svn/llvm-project/cfe/trunk@321676 91177308-0d34-0410-b5e6-96231b3b80d8
* Suppress undefined-template warnings when the pattern is declared in a ↵Nick Lewycky2018-01-021-0/+11
| | | | | | | | | system header. The way to fix an undefined-template warning is to add lines to the header file that defines the template pattern. We should suppress the warnings when the template pattern is in a system header because we don't expect users to edit those. git-svn-id: https://llvm.org/svn/llvm-project/cfe/trunk@321665 91177308-0d34-0410-b5e6-96231b3b80d8
* [Sema] Don't emit the -Wstrict-prototypes warning for variadic functions.Volodymyr Sapsai2018-01-021-0/+6
| | | | | | | | | | | | | | | rdar://problem/33251668 Reviewers: arphaman, ahatanak Reviewed By: arphaman Subscribers: ptitei, cfe-commits Differential Revision: https://reviews.llvm.org/D41528 git-svn-id: https://llvm.org/svn/llvm-project/cfe/trunk@321660 91177308-0d34-0410-b5e6-96231b3b80d8
* Revert "ASan+operator new[]: Fix operator new[] cookie poisoning"Filipe Cabecinhas2018-01-021-9/+1
| | | | | | | | This reverts r321645. I missed a compiler-rt test that needs updating. git-svn-id: https://llvm.org/svn/llvm-project/cfe/trunk@321647 91177308-0d34-0410-b5e6-96231b3b80d8
* ASan+operator new[]: Fix operator new[] cookie poisoningFilipe Cabecinhas2018-01-021-1/+9
| | | | | | | | | | | | | | | | | | Summary: The C++ Itanium ABI says: No cookie is required if the new operator being used is ::operator new[](size_t, void*). We should only avoid poisoning the cookie if we're calling this operator, not others. This is dealt with before the call to InitializeArrayCookie. Reviewers: rjmccall, kcc, rsmith Subscribers: cfe-commits Differential Revision: https://reviews.llvm.org/D41301 git-svn-id: https://llvm.org/svn/llvm-project/cfe/trunk@321645 91177308-0d34-0410-b5e6-96231b3b80d8
* [Driver] Fix unused variables and test-writing-into-workdir after r321621Sam McCall2018-01-021-5/+5
| | | | git-svn-id: https://llvm.org/svn/llvm-project/cfe/trunk@321639 91177308-0d34-0410-b5e6-96231b3b80d8
* Enable configuration files in clangSerge Pavlov2018-01-0119-0/+299
| | | | | | | | | | | | | | | | | | | | | | Clang is inherently a cross compiler and can generate code for any target enabled during build. It however requires to specify many parameters in the invocation, which could be hardcoded during configuration process in the case of single-target compiler. The purpose of configuration files is to make specifying clang arguments easier. A configuration file is a collection of driver options, which are inserted into command line before other options specified in the clang invocation. It groups related options together and allows specifying them in simpler, more flexible and less error prone way than just listing the options somewhere in build scripts. Configuration file may be thought as a "macro" that names an option set and is expanded when the driver is called. Use of configuration files is described in `UserManual.rst`. Differential Revision: https://reviews.llvm.org/D24933 git-svn-id: https://llvm.org/svn/llvm-project/cfe/trunk@321621 91177308-0d34-0410-b5e6-96231b3b80d8
* [Sema] Improve diagnostics for const- and ref-qualified member functionsJacob Bandes-Storch2017-12-315-11/+45
| | | | | | | | | | | | | | | | | | | | | | | | | (Re-submission of D39937 with fixed tests.) Adjust wording for const-qualification mismatch to be a little more clear. Also add another diagnostic for a ref qualifier mismatch, which previously produced a useless error (this error path is simply very old; see rL119336): Before: error: cannot initialize object parameter of type 'X0' with an expression of type 'X0' After: error: 'this' argument to member function 'rvalue' is an lvalue, but function has rvalue ref-qualifier Reviewers: aaron.ballman Reviewed By: aaron.ballman Subscribers: lebedev.ri, cfe-commits Differential Revision: https://reviews.llvm.org/D41646 git-svn-id: https://llvm.org/svn/llvm-project/cfe/trunk@321609 91177308-0d34-0410-b5e6-96231b3b80d8
* Reverted 321592: [Sema] Improve diagnostics for const- and ref-qualified ↵Jacob Bandes-Storch2017-12-312-37/+3
| | | | | | | | | | member functions A few tests need to be fixed git-svn-id: https://llvm.org/svn/llvm-project/cfe/trunk@321593 91177308-0d34-0410-b5e6-96231b3b80d8
* [Sema] Improve diagnostics for const- and ref-qualified member functionsJacob Bandes-Storch2017-12-312-3/+37
| | | | | | | | | | | | | | | | | | | | | | | Summary: Adjust wording for const-qualification mismatch to be a little more clear. Also add another diagnostic for a ref qualifier mismatch, which previously produced a useless error (this error path is simply very old; see rL119336): Before: error: cannot initialize object parameter of type 'X0' with an expression of type 'X0' After: error: 'this' argument to member function 'rvalue' is an lvalue, but function has rvalue ref-qualifier Reviewers: rsmith, aaron.ballman Reviewed By: aaron.ballman Subscribers: lebedev.ri, aaron.ballman, cfe-commits Differential Revision: https://reviews.llvm.org/D39937 git-svn-id: https://llvm.org/svn/llvm-project/cfe/trunk@321592 91177308-0d34-0410-b5e6-96231b3b80d8
* Reverted 321587: Enable configuration files in clangSerge Pavlov2017-12-3019-296/+0
| | | | | | | | Need to check targets in tests more carefully. git-svn-id: https://llvm.org/svn/llvm-project/cfe/trunk@321588 91177308-0d34-0410-b5e6-96231b3b80d8
* Enable configuration files in clangSerge Pavlov2017-12-3019-0/+296
| | | | | | | | | | | | | | | | | | | | | | Clang is inherently a cross compiler and can generate code for any target enabled during build. It however requires to specify many parameters in the invocation, which could be hardcoded during configuration process in the case of single-target compiler. The purpose of configuration files is to make specifying clang arguments easier. A configuration file is a collection of driver options, which are inserted into command line before other options specified in the clang invocation. It groups related options together and allows specifying them in simpler, more flexible and less error prone way than just listing the options somewhere in build scripts. Configuration file may be thought as a "macro" that names an option set and is expanded when the driver is called. Use of configuration files is described in `UserManual.rst`. Differential Revision: https://reviews.llvm.org/D24933 git-svn-id: https://llvm.org/svn/llvm-project/cfe/trunk@321587 91177308-0d34-0410-b5e6-96231b3b80d8
* [OPENMP] Support for -fopenmp-simd option with compilation of simd loopsAlexey Bataev2017-12-29762-997/+5020
| | | | | | | | | only. Added support for -fopenmp-simd option that allows compilation of simd-based constructs without emission of OpenMP runtime calls. git-svn-id: https://llvm.org/svn/llvm-project/cfe/trunk@321560 91177308-0d34-0410-b5e6-96231b3b80d8
* [driver][darwin] Take the OS version from -m<os>-version-min argument whenAlex Lorenz2017-12-291-1/+20
| | | | | | | | | | | -target has no OS version This ensures that Clang won't warn about redundant -m<os>-version-min argument for an invocation like `-target x86_64-apple-macos -mmacos-version-min=10.11` git-svn-id: https://llvm.org/svn/llvm-project/cfe/trunk@321559 91177308-0d34-0410-b5e6-96231b3b80d8
* [OPENMP] Initial support for `-fopenmp-simd` option.Alexey Bataev2017-12-293-0/+24
| | | | | | Added basic support for `-fopenmp-simd` options. git-svn-id: https://llvm.org/svn/llvm-project/cfe/trunk@321558 91177308-0d34-0410-b5e6-96231b3b80d8
* Revert r321504 "[X86] Don't accidentally enable PKU on cannon lake and ↵Craig Topper2017-12-291-6/+6
| | | | | | | | | | | | | | icelake or CLWB on cannonlake." I based that commit on what was in Intel's public documentation here https://software.intel.com/sites/default/files/managed/c5/15/architecture-instruction-set-extensions-programming-reference.pdf Which specifically said CLWB wasn't until Icelake. But I've since cross checked with SDE and it thinks these features exist on CNL and ICL. So now I don't know what to believe. I've added test coverage of the current behavior as part of the revert so at least now have proof of what we're doing. git-svn-id: https://llvm.org/svn/llvm-project/cfe/trunk@321547 91177308-0d34-0410-b5e6-96231b3b80d8
* Avoid int to string conversion in Twine or raw_ostream contexts.Benjamin Kramer2017-12-283-41/+41
| | | | | | | Some output changes from uppercase hex to lowercase hex, no other functionality change intended. git-svn-id: https://llvm.org/svn/llvm-project/cfe/trunk@321526 91177308-0d34-0410-b5e6-96231b3b80d8
* [Frontend] Correctly handle instantiating ctors with skipped bodiesIlya Biryukov2017-12-281-0/+16
| | | | | | | | | | | | | | | | Summary: Previsouly clang tried instantiating member initializers even if ctor body was skipped, this caused spurious errors (see the test). Reviewers: sepavloff, klimek Reviewed By: sepavloff Subscribers: cfe-commits Differential Revision: https://reviews.llvm.org/D41492 git-svn-id: https://llvm.org/svn/llvm-project/cfe/trunk@321520 91177308-0d34-0410-b5e6-96231b3b80d8
* -fsanitize=vptr warnings on bad static types in dynamic_cast and typeidStephan Bergmann2017-12-281-0/+12
| | | | | | | | | | | | ...when such an operation is done on an object during con-/destruction. This is the cfe part of a patch covering both cfe and compiler-rt. Differential Revision: https://reviews.llvm.org/D40295 git-svn-id: https://llvm.org/svn/llvm-project/cfe/trunk@321519 91177308-0d34-0410-b5e6-96231b3b80d8
* [X86] Don't accidentally enable PKU on cannon lake and icelake or CLWB on ↵Craig Topper2017-12-271-0/+6
| | | | | | | | cannonlake. We have cannonlake and icelake inheriting from skylake server in a switch using fallthroughs. But they aren't perfect supersets of skylake server. git-svn-id: https://llvm.org/svn/llvm-project/cfe/trunk@321504 91177308-0d34-0410-b5e6-96231b3b80d8
* [X86] Test that -march=skx enables PKU.Craig Topper2017-12-271-0/+2
| | | | git-svn-id: https://llvm.org/svn/llvm-project/cfe/trunk@321503 91177308-0d34-0410-b5e6-96231b3b80d8
* [X86] Enable avx512vpopcntdq and clwb for icelake.Craig Topper2017-12-271-0/+4
| | | | | | Per table 1-1 of the October 2017 edition of Intel® Architecture Instruction Set Extensions and Future Features Programming Reference git-svn-id: https://llvm.org/svn/llvm-project/cfe/trunk@321502 91177308-0d34-0410-b5e6-96231b3b80d8
* [OPENMP] Support for `depend` clauses on `target enter|exit data`.Alexey Bataev2017-12-272-0/+756
| | | | | | Added codegen for `depend` clauses on `target enter|exit data` directives. git-svn-id: https://llvm.org/svn/llvm-project/cfe/trunk@321495 91177308-0d34-0410-b5e6-96231b3b80d8
* [OPENMP] Support for `depend` clauses on `target data update`.Alexey Bataev2017-12-271-0/+378
| | | | | | Added codegen for `depend` clauses on `target data update` directives. git-svn-id: https://llvm.org/svn/llvm-project/cfe/trunk@321493 91177308-0d34-0410-b5e6-96231b3b80d8
* [x86][icelake][vbmi2]Coby Tayree2017-12-276-6/+942
| | | | | | | | | | | | | | | | added vbmi2 feature recognition added intrinsics support for vbmi2 instructions _mm[128,256,512]_mask[z]_compress_epi[16,32] _mm[128,256,512]_mask_compressstoreu_epi[16,32] _mm[128,256,512]_mask[z]_expand_epi[16,32] _mm[128,256,512]_mask[z]_expandloadu_epi[16,32] _mm[128,256,512]_mask[z]_sh[l,r]di_epi[16,32,64] _mm[128,256,512]_mask_sh[l,r]dv_epi[16,32,64] matching a similar work on the backend (D40206) Differential Revision: https://reviews.llvm.org/D41557 git-svn-id: https://llvm.org/svn/llvm-project/cfe/trunk@321487 91177308-0d34-0410-b5e6-96231b3b80d8
* [OpenMP] Further adjustments of nvptx runtime functionsJonas Hahnfeld2017-12-272-4/+4
| | | | | | | | Pass in default value of 1, similar to previous commit r318836. Differential Revision: https://reviews.llvm.org/D41012 git-svn-id: https://llvm.org/svn/llvm-project/cfe/trunk@321486 91177308-0d34-0410-b5e6-96231b3b80d8
* [x86][icelake][vnni]Coby Tayree2017-12-275-2/+233
| | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | added vnni feature recognition added intrinsics support for VNNI instructions _mm256_mask_dpbusd_epi32 _mm256_maskz_dpbusd_epi32 _mm256_dpbusd_epi32 _mm256_mask_dpbusds_epi32 _mm256_maskz_dpbusds_epi32 _mm256_dpbusds_epi32 _mm256_mask_dpwssd_epi32 _mm256_maskz_dpwssd_epi32 _mm256_dpwssd_epi32 _mm256_mask_dpwssds_epi32 _mm256_maskz_dpwssds_epi32 _mm256_dpwssds_epi32 _mm128_mask_dpbusd_epi32 _mm128_maskz_dpbusd_epi32 _mm128_dpbusd_epi32 _mm128_mask_dpbusds_epi32 _mm128_maskz_dpbusds_epi32 _mm128_dpbusds_epi32 _mm128_mask_dpwssd_epi32 _mm128_maskz_dpwssd_epi32 _mm128_dpwssd_epi32 _mm128_mask_dpwssds_epi32 _mm128_maskz_dpwssds_epi32 _mm128_dpwssds_epi32 _mm512_mask_dpbusd_epi32 _mm512_maskz_dpbusd_epi32 _mm512_dpbusd_epi32 _mm512_mask_dpbusds_epi32 _mm512_maskz_dpbusds_epi32 _mm512_dpbusds_epi32 _mm512_mask_dpwssd_epi32 _mm512_maskz_dpwssd_epi32 _mm512_dpwssd_epi32 _mm512_mask_dpwssds_epi32 _mm512_maskz_dpwssds_epi32 _mm512_dpwssds_epi32 matching a similar work on the backend (D40208) Differential Revision: https://reviews.llvm.org/D41558 git-svn-id: https://llvm.org/svn/llvm-project/cfe/trunk@321484 91177308-0d34-0410-b5e6-96231b3b80d8
* [x86][icelake][bitalg]Coby Tayree2017-12-276-2/+189
| | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | added bitalg feature recognition added intrinsics support for bitalg instructions _mm512_popcnt_epi16 _mm512_mask_popcnt_epi16 _mm512_maskz_popcnt_epi16 _mm512_popcnt_epi8 _mm512_mask_popcnt_epi8 _mm512_maskz_popcnt_epi8 _mm512_mask_bitshuffle_epi64_mask _mm512_bitshuffle_epi64_mask _mm256_popcnt_epi16 _mm256_mask_popcnt_epi16 _mm256_maskz_popcnt_epi16 _mm128_popcnt_epi16 _mm128_mask_popcnt_epi16 _mm128_maskz_popcnt_epi16 _mm256_popcnt_epi8 _mm256_mask_popcnt_epi8 _mm256_maskz_popcnt_epi8 _mm128_popcnt_epi8 _mm128_mask_popcnt_epi8 _mm128_maskz_popcnt_epi8 _mm256_mask_bitshuffle_epi32_mask _mm256_bitshuffle_epi32_mask _mm128_mask_bitshuffle_epi16_mask _mm128_bitshuffle_epi16_mask matching a similar work on the backend (D40222) Differential Revision: https://reviews.llvm.org/D41564 git-svn-id: https://llvm.org/svn/llvm-project/cfe/trunk@321483 91177308-0d34-0410-b5e6-96231b3b80d8
* [hotfix]Coby Tayree2017-12-271-7/+1
| | | | | | | | | fixinig test failures as seen here: http://lab.llvm.org:8011/builders/llvm-clang-lld-x86_64-scei-ps4-ubuntu-fast/builds/22791/steps/test/logs/stdio which resulted by rL321480 git-svn-id: https://llvm.org/svn/llvm-project/cfe/trunk@321482 91177308-0d34-0410-b5e6-96231b3b80d8
* [x86][icelake][vpclmulqdq]Coby Tayree2017-12-275-2/+41
| | | | | | | | | | | | added vpclmulqdq feature recognition added intrinsics support for vpclmulqdq instructions _mm256_clmulepi64_epi128 _mm512_clmulepi64_epi128 matching a similar work on the backend (D40101) Differential Revision: https://reviews.llvm.org/D41573 git-svn-id: https://llvm.org/svn/llvm-project/cfe/trunk@321480 91177308-0d34-0410-b5e6-96231b3b80d8
* [x86][icelake][gfni]Coby Tayree2017-12-275-1/+195
| | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | added gfni feature recognition added intrinsics support for gfni instructions _mm_gf2p8affineinv_epi64_epi8 _mm_mask_gf2p8affineinv_epi64_epi8 _mm_maskz_gf2p8affineinv_epi64_epi8 _mm256_gf2p8affineinv_epi64_epi8 _mm256_mask_gf2p8affineinv_epi64_epi8 _mm256_maskz_gf2p8affineinv_epi64_epi8 _mm512_gf2p8affineinv_epi64_epi8 _mm512_mask_gf2p8affineinv_epi64_epi8 _mm512_maskz_gf2p8affineinv_epi64_epi8 _mm_gf2p8affine_epi64_epi8 _mm_mask_gf2p8affine_epi64_epi8 _mm_maskz_gf2p8affine_epi64_epi8 _mm256_gf2p8affine_epi64_epi8 _mm256_mask_gf2p8affine_epi64_epi8 _mm256_maskz_gf2p8affine_epi64_epi8 _mm512_gf2p8affine_epi64_epi8 _mm512_mask_gf2p8affine_epi64_epi8 _mm512_maskz_gf2p8affine_epi64_epi8 _mm_gf2p8mul_epi8 _mm_mask_gf2p8mul_epi8 _mm_maskz_gf2p8mul_epi8 _mm256_gf2p8mul_epi8 _mm256_mask_gf2p8mul_epi8 _mm256_maskz_gf2p8mul_epi8 _mm512_gf2p8mul_epi8 _mm512_mask_gf2p8mul_epi8 _mm512_maskz_gf2p8mul_epi8 matching a similar work on the backend (D40373) Differential Revision: https://reviews.llvm.org/D41582 git-svn-id: https://llvm.org/svn/llvm-project/cfe/trunk@321477 91177308-0d34-0410-b5e6-96231b3b80d8
* [x86][icelake][vaes]Coby Tayree2017-12-275-3/+77
| | | | | | | | | | | | | | | | added vaes feature recognition added intrinsics support for vaes instructions, matching a similar work on the backend (D40078) _mm256_aesenc_epi128 _mm512_aesenc_epi128 _mm256_aesenclast_epi128 _mm512_aesenclast_epi128 _mm256_aesdec_epi128 _mm512_aesdec_epi128 _mm256_aesdeclast_epi128 _mm512_aesdeclast_epi128 git-svn-id: https://llvm.org/svn/llvm-project/cfe/trunk@321474 91177308-0d34-0410-b5e6-96231b3b80d8
* Add a fixit for attributes incorrectly placed prior to 'struct/class/enum' ↵Faisal Vali2017-12-253-5/+12
| | | | | | | | | | | | | | | | | | | keyword. Suggest moving the following erroneous attrib list (based on location) [[]] struct X; to struct [[]] X; Additionally, added a fixme for the current implementation that diagnoses misplaced attributes to consider using the newly introduced diagnostic (that I think is more user-friendly). git-svn-id: https://llvm.org/svn/llvm-project/cfe/trunk@321449 91177308-0d34-0410-b5e6-96231b3b80d8
* [OPENMP] Fix the tests for 32bits targets, NFC.Alexey Bataev2017-12-242-6/+6
| | | | git-svn-id: https://llvm.org/svn/llvm-project/cfe/trunk@321427 91177308-0d34-0410-b5e6-96231b3b80d8
* [ODRHash] Support ODR violation detection in functions.Richard Trieu2017-12-231-12/+148
| | | | | | | | Extend the hashing to functions, which allows detection of function definition mismatches across modules. This is a re-commit of r320230. git-svn-id: https://llvm.org/svn/llvm-project/cfe/trunk@321395 91177308-0d34-0410-b5e6-96231b3b80d8
* [OPENMP] Captured arguments of the capturable clauses by value.Alexey Bataev2017-12-223-11/+13
| | | | | | | | If the clause is applied to the combined construct and has captured expression, try to capture this expression by value rather than by reference. git-svn-id: https://llvm.org/svn/llvm-project/cfe/trunk@321386 91177308-0d34-0410-b5e6-96231b3b80d8
* [CodeGen] Represent array members in new-format TBAA type descriptorsIvan A. Kosarev2017-12-221-0/+34
| | | | | | | | | | | | | | Now that in the new TBAA format we allow access types to be of any object types, including aggregate ones, it becomes critical to specify types of all sub-objects such aggregates comprise as their members. In order to meet this requirement, this patch enables generation of field descriptors for members of array types. Differential Revision: https://reviews.llvm.org/D41399 git-svn-id: https://llvm.org/svn/llvm-project/cfe/trunk@321352 91177308-0d34-0410-b5e6-96231b3b80d8
* [CodeGen] Support generation of TBAA info in the new formatIvan A. Kosarev2017-12-221-27/+56
| | | | | | | | | | | Now that the MDBuilder helpers generating TBAA type and access descriptors in the new format are in place, we can teach clang to use them when requested. Differential Revision: https://reviews.llvm.org/D41394 git-svn-id: https://llvm.org/svn/llvm-project/cfe/trunk@321351 91177308-0d34-0410-b5e6-96231b3b80d8
* [X86] Add missing check lines for the silvermont cases in ↵Craig Topper2017-12-221-0/+8
| | | | | | predefined-arch-macros.c test. git-svn-id: https://llvm.org/svn/llvm-project/cfe/trunk@321343 91177308-0d34-0410-b5e6-96231b3b80d8
* [Modules] Map missing private submodules from Foo.Private to Foo_PrivateBruno Cardoso Lopes2017-12-221-0/+12
| | | | | | | | | | | | | | In case `@import Foo.Private` fails because the submodule doesn't exist, look for `Foo_Private` (if available) and build/load that module instead. In that process emit a warning and tell the user about the assumption. The intention here is to assist all existing private modules owners (in ObjC and Swift) to migrate to the new `Foo_Private` syntax. rdar://problem/36023940 git-svn-id: https://llvm.org/svn/llvm-project/cfe/trunk@321342 91177308-0d34-0410-b5e6-96231b3b80d8
* [X86] Add 'prfchw' to the correct CPUs to match the backend.Craig Topper2017-12-221-0/+18
| | | | git-svn-id: https://llvm.org/svn/llvm-project/cfe/trunk@321341 91177308-0d34-0410-b5e6-96231b3b80d8
* Diagnose the various invalid decl-specifiers on nontype template parameters.Faisal Vali2017-12-221-3/+28
| | | | | | | | | | | | | | | | The standard correctly forbids various decl-specifiers that dont make sense on non-type template parameters - such as the extern in: template<extern int> struct X; This patch implements those restrictions (in a fashion similar to the corresponding checks on function parameters within ActOnParamDeclarator). Credit goes to miyuki (Mikhail Maltsev) for drawing attention to this issue, authoring the initial versions of this patch, and supporting the effort to re-engineer it slightly. Thank you! For details of how this patch evolved please see: https://reviews.llvm.org/D40705 git-svn-id: https://llvm.org/svn/llvm-project/cfe/trunk@321339 91177308-0d34-0410-b5e6-96231b3b80d8
* [Modules] Change private modules rules and warningsBruno Cardoso Lopes2017-12-2225-29/+122
| | | | | | | | | | | | | | | | We used to advertise private modules to be declared as submodules (Foo.Private). This has proven to not scale well since private headers might carry several dependencies, introducing unwanted content into the main module and often causing dep cycles. Change the canonical way to name it to Foo_Private, forcing private modules as top level ones, and provide warnings under -Wprivate-module to suggest fixes for other private naming. Update documentation to reflect that. rdar://problem/31173501 git-svn-id: https://llvm.org/svn/llvm-project/cfe/trunk@321337 91177308-0d34-0410-b5e6-96231b3b80d8
* Suppress "redundant parens" warning for "A (::B())".Richard Smith2017-12-212-0/+33
| | | | | | | | | This is a slightly odd construct (it's more common to see "A (::B)()") but can happen in friend declarations, and the parens are not redundant as they prevent the :: binding to the left. git-svn-id: https://llvm.org/svn/llvm-project/cfe/trunk@321318 91177308-0d34-0410-b5e6-96231b3b80d8
* [scudo] Add -fsanitize=scudo option to FuchsiaPetr Hosek2017-12-211-0/+17
| | | | | | | | | | | | | | Apparently the -fsanitize flag hadn't been added for Scudo upstream yet. Patch By: flowerhack Reviewers: cryptoad, alekseyshl, mcgrathr, phosek Reviewed By: mcgrathr, phosek Differential Revision: https://reviews.llvm.org/D41413 git-svn-id: https://llvm.org/svn/llvm-project/cfe/trunk@321314 91177308-0d34-0410-b5e6-96231b3b80d8
* [AST] Incorrectly qualified unscoped enumeration as template actual parameter.Paul Robinson2017-12-214-4/+30
| | | | | | | | | | | | | | | An unscoped enumeration used as template argument, should not have any qualified information about its enclosing scope, as its visibility is global. In the case of scoped enumerations, they must include information about their enclosing scope. Patch by Carlos Alberto Enciso! Differential Revision: https://reviews.llvm.org/D39239 git-svn-id: https://llvm.org/svn/llvm-project/cfe/trunk@321312 91177308-0d34-0410-b5e6-96231b3b80d8
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