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* [X86-64] Allow additional register names in inline assembler.Alexey Bataev2015-09-042-0/+61
| | | | | | | Patch allows to recognize additional registers x8d, x8b, x8w - x15d, x15b, x15w in inline assembler, already recognized by backend Differential Revision: http://reviews.llvm.org/D12594 llvm-svn: 246835
* Fix a potential APInt memory leak when using __attribute__((flag_enum)), andRichard Smith2015-09-044-60/+25
| | | | | | simplify the implementation a bit. llvm-svn: 246830
* Untabify.Eric Christopher2015-09-041-1/+1
| | | | llvm-svn: 246826
* [Static Analyzer] Remove sinks from nullability checks.Gabor Horvath2015-09-032-26/+208
| | | | | | Differential Revision: http://reviews.llvm.org/D12445 llvm-svn: 246818
* Refactored dtor sanitizing into EHScopeStackNaomi Musgrave2015-09-036-59/+321
| | | | | | | | | | | | | | | | | | | | | | | | | | | | Summary: Dtor sanitization handled amidst other dtor cleanups, between cleaning bases and fields. Sanitizer call pushed onto stack of cleanup operations. Reviewers: eugenis, kcc Differential Revision: http://reviews.llvm.org/D12022 Refactoring dtor sanitizing emission order. - Support multiple inheritance by poisoning after member destructors are invoked, and before base class destructors are invoked. - Poison for virtual destructor and virtual bases. - Repress dtor aliasing when sanitizing in dtor. - CFE test for dtor aliasing, and repression of aliasing in dtor code generation. - Poison members on field-by-field basis, with collective poisoning of trivial members when possible. - Check msan flags and existence of fields, before dtor sanitizing, and when determining if aliasing is allowed. - Testing sanitizing bit fields. llvm-svn: 246815
* [WebAssembly] Initial WebAssembly support in clangDan Gohman2015-09-0332-13/+1725
| | | | | | | | | | This implements basic support for compiling (though not yet assembling or linking) for a WebAssembly target. Note that ABI details are not yet finalized, and may change. Differential Revision: http://reviews.llvm.org/D12002 llvm-svn: 246814
* Thread safety analysis: the NO_THREAD_SAFETY_ANALYSIS attribute will nowDeLesley Hutchins2015-09-032-25/+88
| | | | | | | disable checking of arguments to the function, which is done by -Wthread-safety-reference. llvm-svn: 246806
* Add target flag to clang-cl invocation in this test.Alexey Samsonov2015-09-031-1/+1
| | | | llvm-svn: 246804
* Fix PR23472þ by emitting initialized variable and its guard in the same ↵Yaron Keren2015-09-031-3/+5
| | | | | | | | | | COMDAT only for ELF objects. http://llvm.org/pr23472 Reviewed by Reid Kleckner. llvm-svn: 246803
* Add -target flag to Clang invocations in this test.Alexey Samsonov2015-09-031-9/+9
| | | | | | ASan may not be supported for the default target triple. llvm-svn: 246795
* [libclang] Return deduced type for auto type, not the one written in the source.Manuel Klimek2015-09-033-12/+31
| | | | | | | | | | | | It used to work, but was accidentally broken by r179769. The issue with decayed types was fixed by r190796. So this patch partially reverts r179769, and adds more tests. This also fixes PR 18669. Patch by Sergey Kalinichev. llvm-svn: 246778
* Implement ACLE 2.0 macros of chapters 6.4 and 6.5 for [ARM] and [Aarch64] ↵Alexandros Lamprineas2015-09-034-82/+390
| | | | | | | | | targets. Differential Revision: http://reviews.llvm.org/D12244 Change-Id: Iffd4e822c15e18668fe8868278230ff232ef50aa llvm-svn: 246768
* [mips] Added support for choosing between traps and breaks in the integrated ↵Daniel Sanders2015-09-032-0/+30
| | | | | | | | | | | | | | | | assembler macros. Summary: The command line options for these are -Wa,--trap and -Wa,--break. Patch by Scott Egerton. Reviewers: vkalintiris, dsanders Subscribers: llvm-commits Differential Revision: http://reviews.llvm.org/D11676 llvm-svn: 246765
* [ARM] Allow passing/returning of __fp16 argumentsOliver Stannard2015-09-036-3/+60
| | | | | | | | | | | | | | | | | | | | | The ACLE (ARM C Language Extensions) 2.0 allows the __fp16 type to be used as a functon argument or return type (ACLE 1.1 did not). The current public release of the AAPCS (2.09) states that __fp16 values should be converted to single-precision before being passed or returned, but AAPCS 2.10 (to be released shortly) changes this, so that they are passed in the least-significant 16 bits of either a GPR (for base AAPCS) or a single-precision register (for AAPCS-VFP). This does not change how arguments are passed if they get passed on the stack. This patch brings clang up to compliance with the latest versions of both of these specs. We can now set the __ARM_FP16_ARGS ACLE predefine, and we have always been able to set the __ARM_FP16_FORMAT_IEEE predefine (we do not support the alternative format). llvm-svn: 246764
* Revert 246755 as it breaks buildbotsOliver Stannard2015-09-036-58/+3
| | | | | | | | | | | | | | | | | | | | | | | | Original commit message: [ARM] Allow passing/returning of __fp16 arguments The ACLE (ARM C Language Extensions) 2.0 allows the __fp16 type to be used as a functon argument or return type (ACLE 1.1 did not). The current public release of the AAPCS (2.09) states that __fp16 values should be converted to single-precision before being passed or returned, but AAPCS 2.10 (to be released shortly) changes this, so that they are passed in the least-significant 16 bits of either a GPR (for base AAPCS) or a single-precision register (for AAPCS-VFP). This does not change how arguments are passed if they get passed on the stack. This patch brings clang up to compliance with the latest versions of both of these specs. We can now set the __ARM_FP16_ARGS ACLE predefine, and we have always been able to set the __ARM_FP16_FORMAT_IEEE predefine (we do not support the alternative format). llvm-svn: 246760
* [OPENMP] Fix for http://llvm.org/PR24687: ICE on compilation of R package TPmsm.Alexey Bataev2015-09-032-18/+19
| | | | | | Fixed capturing of VLAs in 'private' clause of the OpenMP directives. llvm-svn: 246757
* [ARM] Allow passing/returning of __fp16 argumentsOliver Stannard2015-09-036-3/+58
| | | | | | | | | | | | | | | | | | | | | The ACLE (ARM C Language Extensions) 2.0 allows the __fp16 type to be used as a functon argument or return type (ACLE 1.1 did not). The current public release of the AAPCS (2.09) states that __fp16 values should be converted to single-precision before being passed or returned, but AAPCS 2.10 (to be released shortly) changes this, so that they are passed in the least-significant 16 bits of either a GPR (for base AAPCS) or a single-precision register (for AAPCS-VFP). This does not change how arguments are passed if they get passed on the stack. This patch brings clang up to compliance with the latest versions of both of these specs. We can now set the __ARM_FP16_ARGS ACLE predefine, and we have always been able to set the __ARM_FP16_FORMAT_IEEE predefine (we do not support the alternative format). llvm-svn: 246755
* [OPENMP 4.1] Codegen for extended format of 'if' clause.Alexey Bataev2015-09-0310-41/+53
| | | | | | Fixed codegen for extended format of 'if' clauses with special 'directive-name-modifier' + ast-print tests for extended format of 'if' clause. llvm-svn: 246748
* [OPENMP 4.1] Parsing/sema analysis for extended format of 'if' clause.Alexey Bataev2015-09-0322-99/+470
| | | | | | | | | | | | | | | | | OpenMP 4.1 added special 'directive-name-modifier' to the 'if' clause. Format of 'if' clause is as follows: ``` if([ directive-name-modifier :] scalar-logical-expression) ``` The restriction rules are also changed. 1. If any 'if' clause on the directive includes a 'directive-name-modifier' then all 'if' clauses on the directive must include a 'directive-name-modifier'. 2. At most one 'if' clause without a 'directive-name-modifier' can appear on the directive. 3. At most one 'if' clause with some particular 'directive-name-modifier' can appear on the directive. 'directive-name-modifier' is important for combined directives and allows to separate conditions in 'if' clause for simple sub-directives in combined directive. This 'directive-name-modifier' identifies the sub-directive to which this 'if' clause must be applied. llvm-svn: 246747
* Remove inadvertent debug output from prior change.Douglas Katzman2015-09-021-1/+0
| | | | llvm-svn: 246715
* Use new utility function to clean leading junk from pathnames. NFCDouglas Katzman2015-09-022-18/+4
| | | | llvm-svn: 246714
* [analyzer] Refactoring: bring together scan-build options and environment ↵Anton Yartsev2015-09-021-269/+301
| | | | | | | | | | | variables. Full list of changes: - all scan-build command-line arguments are now kept in %Options hash. - most of environment variables scan-build operates with are stored in %EnvVars hash. - moved processing of command-line arguments to the ProcessArgs subroutine. llvm-svn: 246710
* Migrate the target attribute parsing code to returning an instanceEric Christopher2015-09-022-29/+18
| | | | | | | | every time it's called rather than attempting to cache the result. It's unlikely to be called frequently and the overhead of using it in the first place is already factored out. llvm-svn: 246706
* [modules] Tighten up this test a bit.Sean Silva2015-09-021-5/+6
| | | | llvm-svn: 246702
* Update comment for AdditionalMembers with a note to avoid usingEric Christopher2015-09-021-0/+2
| | | | | | | additional data members in attributes as they'll leak and provide some guidance as to where they should be allocated if necessary. llvm-svn: 246701
* Do not include default sanitizer blacklists into -M/-MM/-MD/-MMD output.Ivan Krasin2015-09-027-6/+30
| | | | | | | | | | | | | | | | | Summary: Do not include default sanitizer blacklists into -M/-MM/-MD/-MMD output. Introduce a frontend option -fdepfile-entry, and only insert them for the user-defined sanitizer blacklists. In frontend, grab ExtraDeps from -fdepfile-entry, instead of -fsanitize-blacklist. Reviewers: rsmith, pcc Subscribers: cfe-commits Differential Revision: http://reviews.llvm.org/D12544 llvm-svn: 246700
* add __builtin_unpredictable and convert to metadataSanjay Patel2015-09-026-3/+93
| | | | | | | | | | | | | | | | | | | | | | | This patch depends on r246688 (D12341). The goal is to make LLVM generate different code for these functions for a target that has cheap branches (see PR23827 for more details): int foo(); int normal(int x, int y, int z) { if (x != 0 && y != 0) return foo(); return 1; } int crazy(int x, int y) { if (__builtin_unpredictable(x != 0 && y != 0)) return foo(); return 1; } Differential Revision: http://reviews.llvm.org/D12458 llvm-svn: 246699
* [modules] Don't waste time reading in the names the module file writer gave ↵Richard Smith2015-09-021-7/+1
| | | | | | to blocks. We don't need these names, and decoding the corresponding bitcode has a significant cost. llvm-svn: 246680
* [MS ABI] Number unnamed TagDecls which aren't externally visibleDavid Majnemer2015-09-022-1/+19
| | | | | | | | | | | | TagDecls (structs, enums, etc.) may have the same name for linkage purposes of one another; to disambiguate, we add a number to the mangled named. However, we didn't do this if the TagDecl has a pseudo-name for linkage purposes (it was defined alongside a DeclaratorDecl or a TypeNameDecl). This fixes PR24651. llvm-svn: 246659
* [OpenMP] Make helper functoin static. NFC.Benjamin Kramer2015-09-021-1/+1
| | | | llvm-svn: 246657
* [Shave]: pass through more clang options to moviCompileDouglas Katzman2015-09-022-4/+5
| | | | llvm-svn: 246652
* [Sparc]: GCCInstallationDetector should not care if little-endianDouglas Katzman2015-09-021-1/+1
| | | | llvm-svn: 246650
* Silence a -Wsign-compare warning; NFC.Aaron Ballman2015-09-021-1/+1
| | | | llvm-svn: 246646
* [Sema] Avoid crash on tag-type mismatch (Fixes PR24610)Vedant Kumar2015-09-022-0/+7
| | | | | | Differential Revision: http://reviews.llvm.org/D12444 llvm-svn: 246618
* Migrate the target attribute parsing code into an extension off ofEric Christopher2015-09-022-30/+52
| | | | | | | | | | the main attribute and cache the results so we don't have to parse a single attribute more than once. This reapplies r246596 with a fix for an uninitialized class member, and a couple of cleanups and formatting changes. llvm-svn: 246610
* Fix assertion failure in TransformOpaqueValueExprHubert Tong2015-09-012-1/+7
| | | | | | | | | | | | | | | | | | | | Summary: `OpaqueValueExpr`s may not have a source expression (as in the case when they are created due to a default argument error). This can cause an assertion failure in `TransformOpaqueValueExpr` during template instantiation. This patch fixes the assertion failure. Reviewers: hfinkel, rsmith Subscribers: fraggamuffin, cfe-commits Differential Revision: http://reviews.llvm.org/D11582 Patch by Rachel Craik! llvm-svn: 246600
* Revert "Migrate the target attribute parsing code into an extension off of"Eric Christopher2015-09-012-54/+30
| | | | | | | | This is failing in release mode. Revert while I figure out what's happening. This reverts commit r246596. llvm-svn: 246598
* Migrate the target attribute parsing code into an extension off ofEric Christopher2015-09-012-30/+54
| | | | | | | the main attribute and cache the results so we don't have to parse a single attribute more than once. llvm-svn: 246596
* Use hasAttr, not getAttr if we're just checking for presence.Eric Christopher2015-09-011-1/+1
| | | | llvm-svn: 246595
* [MS ABI] Switch to the CRC implementation in LLVMDavid Majnemer2015-09-011-29/+5
| | | | | | | We now have an implementation of the CRC in LLVM's libSupport. Let's consolidate around that one. llvm-svn: 246591
* Make trunk release notes point to 3.7, not 3.6Nico Weber2015-09-011-2/+2
| | | | llvm-svn: 246589
* Re-commit r246497 (and dependent changes r246524 and r246521), reverted inRichard Smith2015-09-0113-254/+570
| | | | | | | | | | | | | | | | | | | r246546, with a workaround for an MSVC 2013 miscompile and an MSVC 2015 rejects-valid. Original commit message: [modules] Rework serialized DeclContext lookup table management. Instead of walking the loaded ModuleFiles looking for lookup tables for the context, store them all in one place, and merge them together if we find we have too many (currently, more than 4). If we do merge, include the merged form in our serialized lookup table, so that downstream readers never need to look at our imports' tables. This gives a huge performance improvement to builds with very large numbers of modules (in some cases, more than a 2x speedup was observed). llvm-svn: 246582
* Fix typo in testEli Bendersky2015-09-011-2/+2
| | | | llvm-svn: 246573
* Pull initFeatureMap out of line now that it's used in multiple places.Eric Christopher2015-09-012-9/+13
| | | | llvm-svn: 246565
* Add a new frontend warning for referencing members from the handler of a ↵Aaron Ballman2015-09-0112-43/+180
| | | | | | | | constructor or destructor function-try-block, which is UB in C++. This corresponds to the CERT secure coding rule ERR53-CPP. llvm-svn: 246548
* Reverting r246497 (which requires also reverting r246524 and r246521 to ↵Aaron Ballman2015-09-0113-552/+254
| | | | | | | | | | | avoid merge conflicts). It broke the build on MSVC 2015. It also broke an MSVC 2013 bot with testing issues. llvm\tools\clang\lib\serialization\MultiOnDiskHashTable.h(117): error C2065: 'Files': undeclared identifier http://bb.pgr.jp/builders/ninja-clang-i686-msc18-R/builds/2917 llvm-svn: 246546
* [modules] When emitting line tables, only emit filenames that are actually ↵Richard Smith2015-09-012-7/+18
| | | | | | referenced by the entries that we emit. llvm-svn: 246534
* Don't use fprintf to emit this diagnostic!Richard Smith2015-09-013-3/+10
| | | | llvm-svn: 246526
* Use a more appropriate way of writing 1.Richard Smith2015-09-011-2/+1
| | | | llvm-svn: 246524
* [MS ABI] Cleanup get*ForUnnamedTagDeclDavid Majnemer2015-09-011-4/+4
| | | | | | | Use "lookup" instead of operator[], it will not perform unnecessary insertions. No functionality change is intended. llvm-svn: 246523
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