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* [PowerPC] Fix calculating address of arguments on stack for variadic funcPetar Jovanovic2015-12-041-28/+34
| | | | | | | | | | | Fix calculating address of arguments larger than 32 bit on stack for variadic functions (rounding up address to alignment) on ppc32 architecture. Patch by Strahinja Petrovic. Differential Revision: http://reviews.llvm.org/D14871 llvm-svn: 254670
* PR25731: namespace alias declarations can appear at block scope; ensure that weRichard Smith2015-12-031-10/+20
| | | | | | | | | do scope-based lookup when looking for redeclarations of them. Add some related missing checks for the scope-based redeclaration lookup: properly filter the list of found declarations to match the scope, and diagnose shadowing of a template parameter name. llvm-svn: 254663
* Add tests for `&enable_if_function` diagnostics.George Burgess IV2015-12-031-1/+0
| | | | | | | | The introduction of pass_object_size fixed a few bugs related to taking the address of a function with enable_if attributes. This patch adds tests for the cases that were fixed. llvm-svn: 254646
* [analyzer] Suppress stack address escape on CK_CopyAndAutoreleaseBlockObject.Devin Coughlin2015-12-031-0/+9
| | | | | | | | | | Don't warn about addresses of stack-allocated blocks escaping if the block region was cast with CK_CopyAndAutoreleaseBlockObject. These casts, which are introduced in the implicit conversion operator for lambda-to-block conversions, cause the block to be copied to the heap -- so the warning is spurious. llvm-svn: 254639
* Fix Objective-C metadata for properties from class extensions after r251874Nico Weber2015-12-031-7/+18
| | | | | | | | | | | | After, properties from class extensions no longer show up in ObjCInterfaceDecl::properties(). Make ObjCCommonMac::EmitPropertyList() explicitly look for properties in class extensions before looking at direct properties. Also add a test that passes both with clang before r251874 and after this patch (but fails with r251874 and without this patch). llvm-svn: 254622
* Revert "Fix for merging decls in pragma weak Calling ↵Alexander Kornienko2015-12-031-13/+8
| | | | | | | | | | | | CheckFunctionDeclaration so that 2 decls for the 'weak' are merged. Differential Revision: http://reviews.llvm.org/D13048" This reverts commit r254143 which introduces a crash on the following input: f(char *); g(char *); #pragma weak f = g int g(char *p) {} llvm-svn: 254605
* Add fall-back mode for clang tools.Manuel Klimek2015-12-031-4/+7
| | | | | | | | | Run without flags if we cannot load a compilation database. This matches the behavior of clang itself when simply called with a source file. Based on a patch by Russell Wallace. llvm-svn: 254599
* [OPENMP 4.5] Parsing/sema support for 'omp taskloop simd' directive.Alexey Bataev2015-12-0313-18/+221
| | | | | | OpenMP 4.5 adds directive 'taskloop simd'. Patch adds parsing/sema analysis for 'taskloop simd' directive and its clauses. llvm-svn: 254597
* PR25575: Make GCC 4.4+ comatible layout for packed bit-fileds of char type, ↵Alexey Bataev2015-12-031-9/+6
| | | | | | | | | patch by D. Polukhin This CL is for discussion how to better fix bit-filed layout compatibility issue with GCC (see PR25575 for test case and more details). Current clang behavior is compatible with GCC 4.1-4.3 series but it was fixed in 4.4+. Ignoring packed attribute looks very odd and because it was also fixed in GCC 4.4+, it makes sense also fix it in clang. Differential Revision: http://reviews.llvm.org/D14872 llvm-svn: 254596
* Fix a comment typo from r251874.Nico Weber2015-12-031-1/+1
| | | | llvm-svn: 254579
* PR17381: Treat undefined behavior during expression evaluation as an unmodeledRichard Smith2015-12-032-52/+65
| | | | | | | | | | | | | | | | | | | | | side-effect, so that we don't allow speculative evaluation of such expressions during code generation. This caused a diagnostic quality regression, so fix constant expression diagnostics to prefer either the first "can't be constant folded" diagnostic or the first "not a constant expression" diagnostic depending on the kind of evaluation we're doing. This was always the intent, but didn't quite work correctly before. This results in certain initializers that used to be constant initializers to no longer be; in particular, things like: float f = 1e100; are no longer accepted in C. This seems appropriate, as such constructs would lead to code being executed if sanitizers are enabled. llvm-svn: 254574
* change an assert when generating fmuladd to an ordinary 'if' check (PR25719)Sanjay Patel2015-12-031-11/+9
| | | | | | | | | | | | | | | | | | | We don't want to generate fmuladd if there's a use of the fmul expression, but this shouldn't be an assert. The test case is derived from the commit message for r253337: http://reviews.llvm.org/rL253337 That commit reverted r253269: http://reviews.llvm.org/rL253269 ...but the bug exists independently of the default fp-contract setting. It just became easier to hit with that change. PR25719: https://llvm.org/bugs/show_bug.cgi?id=25719 Differential Revision: http://reviews.llvm.org/D15165 llvm-svn: 254573
* Add the `pass_object_size` attribute to clang.George Burgess IV2015-12-0223-196/+668
| | | | | | | | | | | | | `pass_object_size` is our way of enabling `__builtin_object_size` to produce high quality results without requiring inlining to happen everywhere. A link to the design doc for this attribute is available at the Differential review link below. Differential Revision: http://reviews.llvm.org/D13263 llvm-svn: 254554
* Fix the clang driver when "-nostdlib" is presentSumanth Gundapaneni2015-12-021-2/+1
| | | | | | | | | | This patch is a fix to r252901 which changed the behavior of clang driver. In the presence of "-nostdlib" none of the standard libraries should be passed to link line. Differential Revision: http://reviews.llvm.org/D15130 llvm-svn: 254535
* Move _mm256_cvtps_ph and _mm256_cvtph_ps to immintrin.h.Paul Robinson2015-12-022-12/+13
| | | | | | | | | This more closely matches their locations as described by Intel documentation, and lets us remove a pair of redundant typedefs. Differential Revision: http://reviews.llvm.org/D15127 llvm-svn: 254528
* [OpenMP] Update target directive codegen to use 4.5 implicit data mappings.Samuel Antao2015-12-027-60/+295
| | | | | | | | | | | | | | | Summary: This patch implements the 4.5 specification for the implicit data maps. OpenMP 4.5 specification changes the default way data is captured into a target region. All the non-aggregate kinds are passed by value by default. This required activating the capturing by value during SEMA for the target region. All the non-aggregate values that can be encoded in the size of a pointer are properly casted and forwarded to the runtime library. On top of fixing the previous weird behavior for mapping pointers in nested data regions (an explicit map was always required), this also improves performance as the number of allocations/transactions to the device per non-aggregate map are reduced from two to only one - instead of passing a reference and the value, only the value passed. Explicit maps will be added later on once firstprivate, private, and map clauses' SEMA and parsing are available. Reviewers: hfinkel, rjmccall, ABataev Subscribers: cfe-commits, carlo.bertolli Differential Revision: http://reviews.llvm.org/D14940 llvm-svn: 254521
* Add a narrowing AST matcher that matches on a FunctionDecl with a ↵Aaron Ballman2015-12-021-0/+1
| | | | | | non-throwing exception specification. llvm-svn: 254516
* Teaches clang about Cortex-A35.Christof Douma2015-12-022-2/+2
| | | | | | | | Adds support for the new Cortex-A35 ARMv8-A core. Differential Revision: http://reviews.llvm.org/D15142 llvm-svn: 254505
* Update for llvm api change.Rafael Espindola2015-12-011-1/+1
| | | | llvm-svn: 254450
* [MS ABI] Correctly mangle nullptr member pointers for variable templatesDavid Majnemer2015-12-011-3/+3
| | | | | | | Variable templates behave the same as class templates with regard to nullptr memeber pointers. llvm-svn: 254439
* clang-format: Make it possible to turn off comment reflowing.Daniel Jasper2015-12-012-3/+7
| | | | llvm-svn: 254414
* clang-format: treat Q_SIGNALS as an access modifierDaniel Jasper2015-12-013-3/+6
| | | | | | Patch by Alexander Richardson, thank you! llvm-svn: 254407
* This fixes https://llvm.org/bugs/show_bug.cgi?id=25329, as well asDaniel Jasper2015-12-012-202/+133
| | | | | | | | | | | misalignments like the following: int a, b = 2; int c = 3; Patch by Beren Minor, thanks! llvm-svn: 254406
* [OPENMP 4.5] Parsing/sema analysis for 'priority' clause.Alexey Bataev2015-12-019-12/+94
| | | | | | OpenMP 4.5 defines new clause 'priority' for 'task', 'taskloop' and 'taskloop simd' directives. Added parsing and sema analysis for 'priority' clause in 'task' and 'taskloop' directives. llvm-svn: 254398
* [analyzer] Fix IssueHash generation.Gabor Horvath2015-12-015-13/+16
| | | | | | | | Differential Revision: http://reviews.llvm.org/D14919 Original patch by: Gyorgy Orban! llvm-svn: 254394
* Remove superfluous StringRef casts, NFC.Yaron Keren2015-12-011-7/+7
| | | | llvm-svn: 254392
* [X86] Improve codegen for AVX2 gather with an all 1s mask.Craig Topper2015-12-011-30/+39
| | | | | | Use undefined instead of setzero as the pass through input since its going to be fully overwritten. Use cmpeq of two zero vectors to produce the all 1s vector. Casting -1 to a double and vectorizing causes a constant load of a -1.0 floating point value. llvm-svn: 254389
* [OPENMP 4.5] Parsing/sema analysis for 'taskloop' directive.Alexey Bataev2015-12-0113-16/+217
| | | | | | Adds initial parsing and semantic analysis for 'taskloop' directive. llvm-svn: 254367
* [modules] Don't reject multiple modules providing contents for the same ↵Richard Smith2015-12-011-1/+2
| | | | | | embedded file. llvm-svn: 254365
* Fix use-after-free when a C++ thread_local variable gets replaced (because itsRichard Smith2015-12-016-32/+22
| | | | | | | type changes when the initializer is attached). Don't hold onto the GlobalVariable*; recompute it from the VarDecl* instead. llvm-svn: 254359
* [MS Compat] Adjust thiscall to cdecl when deducing template argumentsDavid Majnemer2015-11-301-2/+11
| | | | | | | | | | Function types can be extracted from member pointer types. However, the type is not appropriate without first adjusting the calling convention. This fixes PR25661. llvm-svn: 254323
* Use range-based for loop to avoid the need for calculating an array size. NFCCraig Topper2015-11-301-4/+1
| | | | llvm-svn: 254282
* Use std::begin() and std::end() instead of doing the same manually. NFCCraig Topper2015-11-301-4/+2
| | | | llvm-svn: 254281
* [X86] _mm256_permutevar8x32_ps should take an integer vector for its shuffle ↵Craig Topper2015-11-291-2/+2
| | | | | | index input. llvm-svn: 254270
* ARM v8.1a adds Advanced SIMD instructions for Rounding Double MultiplyAlexandros Lamprineas2015-11-291-0/+10
| | | | | | | | | | | | | | | | | | | | | | | | | Add/Subtract. The following instructions are added to AArch32 instruction set: - VQRDMLAH: Vector Saturating Rounding Doubling Multiply Accumulate Returning High Half - VQRDMLSH: Vector Saturating Rounding Doubling Multiply Subtract Returning High Half The following instructions are added to AArch64 instruction set: - SQRDMLAH: Signed Saturating Rounding Doubling Multiply Accumulate Returning High Half - SQRDMLSH: Signed Saturating Rounding Doubling Multiply Subtract Returning High Half This patch adds intrinsic and ACLE macro support for these instructions, as well as corresponding tests. Differential Revision: http://reviews.llvm.org/D14982 llvm-svn: 254250
* [X86] Remove temporary variables from intrinsic macros. NFCCraig Topper2015-11-291-28/+18
| | | | llvm-svn: 254247
* Fixed default label in fully covered switch warning that was introduced in ↵Daniel Sanders2015-11-271-1/+0
| | | | | | r254203. llvm-svn: 254208
* [OpenMP] Parsing and sema support for thread_limit clause.Kelvin Li2015-11-279-52/+110
| | | | | | http://reviews.llvm.org/D15029 llvm-svn: 254207
* [mips] Interrupt attribute support.Daniel Sanders2015-11-272-1/+94
| | | | | | | | | | | | | | Summary: This patch adds support for the interrupt attribute for mips32r2+. Patch by Simon Dardis. Reviewers: dsanders, aaron.ballman Subscribers: aaron.ballman, cfe-commits Differential Revision: http://reviews.llvm.org/D10802 llvm-svn: 254205
* Revert r254203: [mips] Interrupt attribute support.Daniel Sanders2015-11-272-94/+1
| | | | | | I forgot to credit the author. llvm-svn: 254204
* [mips] Interrupt attribute support.Daniel Sanders2015-11-272-1/+94
| | | | | | | | | | | | Summary: This patch adds support for the interrupt attribute for mips32r2+. Reviewers: dsanders, aaron.ballman Subscribers: aaron.ballman, cfe-commits Differential Revision: http://reviews.llvm.org/D10802 llvm-svn: 254203
* Revert Sparc and SparcV9 to external assembler. Now that the CPUJoerg Sonnenberger2015-11-271-3/+0
| | | | | | | | handling is corrected, the primary reason for forcing IAS as default is gone and the remaining issues are still somewhat problematic in common situations. llvm-svn: 254199
* [x86] Exclusion of incorrect include headers paths for MCU targetAndrey Bokhanko2015-11-272-20/+57
| | | | | | | | Exclusion of /usr/include and /usr/local/include headers paths for MCU target. Differential Revision: http://reviews.llvm.org/D14954 llvm-svn: 254195
* Test commitPierre Gousseau2015-11-261-2/+1
| | | | | | Remove tabs. llvm-svn: 254181
* [AArch64] Add command-line options for Statistical Profiling ExtensionOliver Stannard2015-11-261-0/+2
| | | | | | | | | | This adds the "+profile" and +noprofile" suffixes for the -march and -mcpu options, to allow enabling or disabling the options Statistical Profiling Extension to ARMv8.2-A. Differential Revision: http://reviews.llvm.org/D15023 llvm-svn: 254161
* [AArch64] Add command-line options for ARMv8.2-AOliver Stannard2015-11-261-0/+4
| | | | | | | | | | | This adds new values for the -march option (armv8.2a and armv8.2-a, which are aliases of each other), and new suffixes for the -march and -mcpu options (+fp16 and +nofp16), to allow targeting the ARMv8.2-A architecture and it's optional half-precision floating-point extension. Differential Revision: http://reviews.llvm.org/D15022 llvm-svn: 254160
* Fix for merging decls in pragma weakAlexander Musman2015-11-261-8/+13
| | | | | | | Calling CheckFunctionDeclaration so that 2 decls for the 'weak' are merged. Differential Revision: http://reviews.llvm.org/D13048 llvm-svn: 254143
* [OPENMP 4.5] Fixed rules for 'ordered' clause.Alexey Bataev2015-11-261-10/+16
| | | | | | According to OpenMP 4.5 the parameter of 'ordered' clause must be greater than or equal to the parameter of 'collapse' clause. Patch adds this rule. llvm-svn: 254141
* [Diagnostics] Call setMapping on the correct diagnostic states in a few ↵Craig Topper2015-11-261-3/+3
| | | | | | | | | | | | places. GetCurDiagState() was being used when it shouldn't be. I spotted this by inspection in the for loop that wasn't using its iterator and was just acting on the current state repeatedly. This appears to have been introduced as a copy and paste bug in r140763 over 4 years ago. I have no idea how to test this. I just went back to the original commit and tried to use the variables it was using before that. llvm-svn: 254134
* Use range-based for loops. NFCCraig Topper2015-11-261-7/+7
| | | | llvm-svn: 254133
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