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2012-02-03[frontend] Don't allow a mapping to a warning override an error/fatal mapping.Chad Rosier
rdar://10736625 git-svn-id: https://llvm.org/svn/llvm-project/cfe/trunk@149662 91177308-0d34-0410-b5e6-96231b3b80d8
2012-02-02r149587 revertedAnton Yartsev
git-svn-id: https://llvm.org/svn/llvm-project/cfe/trunk@149594 91177308-0d34-0410-b5e6-96231b3b80d8
2012-02-02Fix for PR10657 (http://llvm.org/bugs/show_bug.cgi?id=10657)Anton Yartsev
extern inline case considered git-svn-id: https://llvm.org/svn/llvm-project/cfe/trunk@149587 91177308-0d34-0410-b5e6-96231b3b80d8
2012-01-30Cleanup 3dnow builtin handling. Most of them were already handled by LLVM ↵Craig Topper
connecting intrinsics and builtins in IntrinsicsX86.td. git-svn-id: https://llvm.org/svn/llvm-project/cfe/trunk@149233 91177308-0d34-0410-b5e6-96231b3b80d8
2012-01-28Make the __builtin_c[lt]zs builtins target independent.Benjamin Kramer
There is really no reason to have these only available on x86. It's just __builtin_c[tl]z for shorts. Modernize the test while at it. git-svn-id: https://llvm.org/svn/llvm-project/cfe/trunk@149183 91177308-0d34-0410-b5e6-96231b3b80d8
2012-01-26Make clz/ctz builtins defined for zero on ARM targets. rdar://10732455Bob Wilson
ARM supports clz and ctz directly and both operations have well-defined results for zero. There is no disadvantage in performance to using the defined-at-zero versions of llvm.ctlz/cttz intrinsics. We're running into ARM-specific code written with the assumption that __builtin_clz(0) == 32, even though that value is technically undefined. The code is failing now because of llvm optimizations that are taking advantage of the undef behavior (specifically svn r147255). There's nothing wrong with that optimization on x86 where any incorrect assumptions about __builtin_clz(0) will quickly be exposed. For ARM, though, optimizations based on that undef behavior are likely to cause subtle bugs. Other targets with defined-at-zero clz/ctz support may want to override the default behavior as well. git-svn-id: https://llvm.org/svn/llvm-project/cfe/trunk@149086 91177308-0d34-0410-b5e6-96231b3b80d8
2012-01-26Try harder to get X7 definedDouglas Gregor
git-svn-id: https://llvm.org/svn/llvm-project/cfe/trunk@149072 91177308-0d34-0410-b5e6-96231b3b80d8
2012-01-26Force layout of more of the unions and structures in this testDouglas Gregor
git-svn-id: https://llvm.org/svn/llvm-project/cfe/trunk@149066 91177308-0d34-0410-b5e6-96231b3b80d8
2012-01-26Suppress any warnings from this test. They aren't interesting, and theyChandler Carruth
end up in the same output file as the layout stuff. There may even be a race condition which is causing this output to confuse the FileCheck in some cases. I actually don't know how on earth the parsing of the layout file even works given that there are diagnostics in the middle of it. ;] git-svn-id: https://llvm.org/svn/llvm-project/cfe/trunk@149058 91177308-0d34-0410-b5e6-96231b3b80d8
2012-01-26Extend the ExternalASTSource interface to allow the AST source toDouglas Gregor
provide the layout of records, rather than letting Clang compute the layout itself. LLDB provides the motivation for this feature: because various layout-altering attributes (packed, aligned, etc.) don't get reliably get placed into DWARF, the record layouts computed by LLDB from the reconstructed records differ from the actual layouts, and badness occurs. This interface lets the DWARF data drive layout, so we don't need the attributes preserved to get the answer write. The testing methodology for this change is fun. I've introduced a variant of -fdump-record-layouts called -fdump-record-layouts-simple that always has the simple C format and provides size/alignment/field offsets. There is also a -cc1 option -foverride-record-layout=<file> to take the output of -fdump-record-layouts-simple and parse it to produce a set of overridden layouts, which is introduced into the AST via a testing-only ExternalASTSource (called LayoutOverrideSource). Each test contains a number of records to lay out, which use various layout-changing attributes, and then dumps the layouts. We then run the test again, using the preprocessor to eliminate the layout-changing attributes entirely (which would give us different layouts for the records), but supplying the previously-computed record layouts. Finally, we diff the layouts produced from the two runs to be sure that they are identical. Note that this code makes the assumption that we don't *have* to provide the offsets of bases or virtual bases to get the layout right, because the alignment attributes don't affect it. I believe this assumption holds, but if it does not, we can extend LayoutOverrideSource to also provide base offset information. Fixes the Clang side of <rdar://problem/10169539>. git-svn-id: https://llvm.org/svn/llvm-project/cfe/trunk@149055 91177308-0d34-0410-b5e6-96231b3b80d8
2012-01-25Add some ABI tweaks for i386-pc-win32 triple so that we return structs in an ↵Eli Friedman
MSVC-compatible way. Patch by Joe Groff. git-svn-id: https://llvm.org/svn/llvm-project/cfe/trunk@148992 91177308-0d34-0410-b5e6-96231b3b80d8
2012-01-25test/CodeGen/avx-builtins.c: Fix more for -Asserts.NAKAMURA Takumi
git-svn-id: https://llvm.org/svn/llvm-project/cfe/trunk@148944 91177308-0d34-0410-b5e6-96231b3b80d8
2012-01-25Re-enable test that was broken by r148919Craig Topper
git-svn-id: https://llvm.org/svn/llvm-project/cfe/trunk@148932 91177308-0d34-0410-b5e6-96231b3b80d8
2012-01-25disable this test for now.Chris Lattner
git-svn-id: https://llvm.org/svn/llvm-project/cfe/trunk@148928 91177308-0d34-0410-b5e6-96231b3b80d8
2012-01-25fix broken testcase.Chris Lattner
git-svn-id: https://llvm.org/svn/llvm-project/cfe/trunk@148925 91177308-0d34-0410-b5e6-96231b3b80d8
2012-01-25Represent 256-bit unaligned loads natively and remove the builtins. Similar ↵Craig Topper
change was made for 128-bit versions a while back. git-svn-id: https://llvm.org/svn/llvm-project/cfe/trunk@148919 91177308-0d34-0410-b5e6-96231b3b80d8
2012-01-24The following patch adds __attribute__((no_address_safety_analysis)) which ↵Kostya Serebryany
will allow to disable address safety analysis (such as e.g. AddressSanitizer or SAFECode) for a specific function. When building with AddressSanitizer, add AddressSafety function attribute to every generated function except for those that have __attribute__((no_address_safety_analysis)). With this patch we will be able to 1. disable AddressSanitizer for a particular function 2. disable AddressSanitizer-hostile optimizations (such as some cases of load widening) when AddressSanitizer is on. git-svn-id: https://llvm.org/svn/llvm-project/cfe/trunk@148842 91177308-0d34-0410-b5e6-96231b3b80d8
2012-01-21add tests for wide character encodingsSeth Cantrell
and fix typo git-svn-id: https://llvm.org/svn/llvm-project/cfe/trunk@148603 91177308-0d34-0410-b5e6-96231b3b80d8
2012-01-20rename -ccc-host-triple into -targetSebastian Pop
git-svn-id: https://llvm.org/svn/llvm-project/cfe/trunk@148582 91177308-0d34-0410-b5e6-96231b3b80d8
2012-01-18Add and update tests for character literalsSeth Cantrell
git-svn-id: https://llvm.org/svn/llvm-project/cfe/trunk@148392 91177308-0d34-0410-b5e6-96231b3b80d8
2012-01-18Add testcase for r148375!Nick Lewycky
git-svn-id: https://llvm.org/svn/llvm-project/cfe/trunk@148378 91177308-0d34-0410-b5e6-96231b3b80d8
2012-01-16Add new line.Tanya Lattner
git-svn-id: https://llvm.org/svn/llvm-project/cfe/trunk@148255 91177308-0d34-0410-b5e6-96231b3b80d8
2012-01-16Add support for OpenCL 1.1 logical operations.Tanya Lattner
git-svn-id: https://llvm.org/svn/llvm-project/cfe/trunk@148254 91177308-0d34-0410-b5e6-96231b3b80d8
2012-01-16Some improvements to the handling of C11 atomic types:David Chisnall
- Add atomic-to/from-nonatomic cast types - Emit atomic operations for arithmetic on atomic types - Emit non-atomic stores for initialisation of atomic types, but atomic stores and loads for every other store / load - Add a __atomic_init() intrinsic which does a non-atomic store to an _Atomic() type. This is needed for the corresponding C11 stdatomic.h function. - Enables the relevant __has_feature() checks. The feature isn't 100% complete yet, but it's done enough that we want people testing it. Still to do: - Make the arithmetic operations on atomic types (e.g. Atomic(int) foo = 1; foo++;) use the correct LLVM intrinsic if one exists, not a loop with a cmpxchg. - Add a signal fence builtin - Properly set the fenv state in atomic operations on floating point values - Correctly handle things like _Atomic(_Complex double) which are too large for an atomic cmpxchg on some platforms (this requires working out what 'correctly' means in this context) - Fix the many remaining corner cases git-svn-id: https://llvm.org/svn/llvm-project/cfe/trunk@148242 91177308-0d34-0410-b5e6-96231b3b80d8
2012-01-14constexpr irgen: Add irgen support for APValue::Struct, APValue::Union,Richard Smith
APValue::Array and APValue::MemberPointer. All APValue values can now be emitted as constants. Add new CGCXXABI entry point for emitting an APValue MemberPointer. The other entrypoints dealing with constant member pointers are no longer necessary and will be removed in a later change. Switch codegen from using EvaluateAsRValue/EvaluateAsLValue to VarDecl::evaluateValue. This performs caching and deals with the nasty cases in C++11 where a non-const object's initializer can refer indirectly to previously-initialized fields within the same object. Building the intermediate APValue object incurs a measurable performance hit on pathological testcases with huge initializer lists, so we continue to build IR directly from the Expr nodes for array and record types outside of C++11. git-svn-id: https://llvm.org/svn/llvm-project/cfe/trunk@148178 91177308-0d34-0410-b5e6-96231b3b80d8
2012-01-13Revert r148138; it's causing test failures.Eli Friedman
git-svn-id: https://llvm.org/svn/llvm-project/cfe/trunk@148141 91177308-0d34-0410-b5e6-96231b3b80d8
2012-01-13rename -ccc-host-triple into -targetSebastian Pop
git-svn-id: https://llvm.org/svn/llvm-project/cfe/trunk@148138 91177308-0d34-0410-b5e6-96231b3b80d8
2012-01-12Fix test case committed in r147986.Akira Hatanaka
git-svn-id: https://llvm.org/svn/llvm-project/cfe/trunk@147993 91177308-0d34-0410-b5e6-96231b3b80d8
2012-01-12Take into account the pointer to an aggregate that is passed as a hiddenAkira Hatanaka
argument when Offset is initialized. git-svn-id: https://llvm.org/svn/llvm-project/cfe/trunk@147986 91177308-0d34-0410-b5e6-96231b3b80d8
2012-01-11clang/test/CodeGen/vla-4.c: Relax expression for -Asserts.NAKAMURA Takumi
git-svn-id: https://llvm.org/svn/llvm-project/cfe/trunk@147934 91177308-0d34-0410-b5e6-96231b3b80d8
2012-01-11Fixed VLA code generation.Abramo Bagnara
git-svn-id: https://llvm.org/svn/llvm-project/cfe/trunk@147933 91177308-0d34-0410-b5e6-96231b3b80d8
2012-01-10Add field IsIEEE in FloatingLiteral to distinguish between different 128-bitAkira Hatanaka
floating point formats. git-svn-id: https://llvm.org/svn/llvm-project/cfe/trunk@147887 91177308-0d34-0410-b5e6-96231b3b80d8
2012-01-10The `-fwritable-strings' flag doesn't make the backing store strings of allBill Wendling
CFStrings writable. The strings (both Unicode and ASCII) should reside in a read-only section. E.g., __TEXT,__cstring instead of __DATA,__data. This is done by making the global variable created for the strings constant despite the value of that flag. <rdar://problem/10657500> git-svn-id: https://llvm.org/svn/llvm-project/cfe/trunk@147845 91177308-0d34-0410-b5e6-96231b3b80d8
2012-01-09Insert padding before unaligned long double arguments.Akira Hatanaka
git-svn-id: https://llvm.org/svn/llvm-project/cfe/trunk@147791 91177308-0d34-0410-b5e6-96231b3b80d8
2012-01-07Fixed TypeofExpr AST and code generation.Abramo Bagnara
git-svn-id: https://llvm.org/svn/llvm-project/cfe/trunk@147730 91177308-0d34-0410-b5e6-96231b3b80d8
2012-01-07Add field PaddingType to ABIArgInfo which specifies the type of padding thatAkira Hatanaka
is inserted before the real argument. Padding is needed to ensure the backend reads from or writes to the correct argument slots when the original alignment of a byval structure is unavailable due to flattening. git-svn-id: https://llvm.org/svn/llvm-project/cfe/trunk@147699 91177308-0d34-0410-b5e6-96231b3b80d8
2012-01-06Revert r147655; it's breaking the compiler_rt build on OSX.Eli Friedman
git-svn-id: https://llvm.org/svn/llvm-project/cfe/trunk@147677 91177308-0d34-0410-b5e6-96231b3b80d8
2012-01-06If we are compiling with -fno-builtin then don't do constant folding ofDavid Chisnall
builtins. This fixes PR11711. git-svn-id: https://llvm.org/svn/llvm-project/cfe/trunk@147655 91177308-0d34-0410-b5e6-96231b3b80d8
2012-01-04fix test on -Asserts builds.Chris Lattner
git-svn-id: https://llvm.org/svn/llvm-project/cfe/trunk@147558 91177308-0d34-0410-b5e6-96231b3b80d8
2012-01-04implement rdar://10639962 by keeping track of increased alignment Chris Lattner
information even in subscripting operations. git-svn-id: https://llvm.org/svn/llvm-project/cfe/trunk@147557 91177308-0d34-0410-b5e6-96231b3b80d8
2011-12-30Add FMA4 intrinsics.Craig Topper
git-svn-id: https://llvm.org/svn/llvm-project/cfe/trunk@147372 91177308-0d34-0410-b5e6-96231b3b80d8
2011-12-29Add popcnt feature flag to match gcc. This flag is implied when sse42 is ↵Craig Topper
enabled, but can be disabled separately. Move popcnt intrinsics to popcntintrin.h to match gcc. git-svn-id: https://llvm.org/svn/llvm-project/cfe/trunk@147340 91177308-0d34-0410-b5e6-96231b3b80d8
2011-12-26Add BMI2 intrinsics.Craig Topper
git-svn-id: https://llvm.org/svn/llvm-project/cfe/trunk@147275 91177308-0d34-0410-b5e6-96231b3b80d8
2011-12-25Change LZCNT and BMI tests to check IR instead of X86 assembly.Craig Topper
git-svn-id: https://llvm.org/svn/llvm-project/cfe/trunk@147267 91177308-0d34-0410-b5e6-96231b3b80d8
2011-12-25Add the rest of the BMI intrinsics.Craig Topper
git-svn-id: https://llvm.org/svn/llvm-project/cfe/trunk@147265 91177308-0d34-0410-b5e6-96231b3b80d8
2011-12-25Add intrinsics for lzcnt and tzcnt instructions.Craig Topper
git-svn-id: https://llvm.org/svn/llvm-project/cfe/trunk@147263 91177308-0d34-0410-b5e6-96231b3b80d8
2011-12-24Add last of the AVX2 intrinsics except for gather.Craig Topper
git-svn-id: https://llvm.org/svn/llvm-project/cfe/trunk@147253 91177308-0d34-0410-b5e6-96231b3b80d8
2011-12-24Add AVX2 permute intrinsics. Also add parentheses on some macro arguments in ↵Craig Topper
other intrinsic headers. git-svn-id: https://llvm.org/svn/llvm-project/cfe/trunk@147242 91177308-0d34-0410-b5e6-96231b3b80d8
2011-12-24Add AVX2 intrinsics for FP vbroadcast, vbroadcasti128, and vpblendd.Craig Topper
git-svn-id: https://llvm.org/svn/llvm-project/cfe/trunk@147240 91177308-0d34-0410-b5e6-96231b3b80d8
2011-12-24Intrinsics for AVX2 unpack instructions.Craig Topper
git-svn-id: https://llvm.org/svn/llvm-project/cfe/trunk@147237 91177308-0d34-0410-b5e6-96231b3b80d8
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