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* Fix linking of unnamed_addr in functions.Rafael Espindola2013-09-04
| | | | git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@189945 91177308-0d34-0410-b5e6-96231b3b80d8
* Support/Process: Add comments about PageSize and AllocationGranularity on ↵NAKAMURA Takumi2013-09-04
| | | | | | Cygwin and Win32. git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@189940 91177308-0d34-0410-b5e6-96231b3b80d8
* MemoryBuffer.cpp: Don't peek the next page if file is multiple of *physical* ↵NAKAMURA Takumi2013-09-04
| | | | | | | | | | pagesize(4k) but is not multiple of AllocationGranularity(64k), when a null terminator is required, on cygwin and win32. For example, r189780's SparcISelLowering.cpp has the size 98304. It crashed clang to touch a null terminator on cygwin. FIXME: It's not good to hardcode 4096 here. dwPageSize shows 4096. git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@189939 91177308-0d34-0410-b5e6-96231b3b80d8
* Whitespace.NAKAMURA Takumi2013-09-04
| | | | git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@189938 91177308-0d34-0410-b5e6-96231b3b80d8
* Fix linking of unnamed_addr.Rafael Espindola2013-09-04
| | | | | | | | This was regression from r134829. When linking we have to be conservative. If one of the symbols has a significant address, then the result should have it too. git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@189935 91177308-0d34-0410-b5e6-96231b3b80d8
* InstCombine: allow unmasked icmps to be combined with logical opsTim Northover2013-09-04
| | | | | | | | | | "(icmp op i8 A, B)" is equivalent to "(icmp op i8 (A & 0xff), B)" as a degenerate case. Allowing this as a "masked" comparison when analysing "(icmp) &/| (icmp)" allows us to combine them in more cases. rdar://problem/7625728 git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@189931 91177308-0d34-0410-b5e6-96231b3b80d8
* InstCombine: look for masked compares with subset relationTim Northover2013-09-04
| | | | | | | | | | | Even in cases which aren't universally optimisable like "(A & B) != 0 && (A & C) != 0", the masks can make one of the comparisons completely redundant. In this case, since we've gone to the effort of spotting masked comparisons we should combine them. rdar://problem/7625728 git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@189930 91177308-0d34-0410-b5e6-96231b3b80d8
* Inplement aarch64 neon instructions in AdvSIMD(shift). About 24 shift ↵Hao Liu2013-09-04
| | | | | | | | | | | instructions: sshr,ushr,ssra,usra,srshr,urshr,srsra,ursra,sri,shl,sli,sqshlu,sqshl,uqshl,shrn,sqrshrun,sqshrn,uqshr,sqrshrn,uqrshrn,sshll,ushll and 4 convert instructions: scvtf,ucvtf,fcvtzs,fcvtzu git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@189925 91177308-0d34-0410-b5e6-96231b3b80d8
* Revert "Revert "Remove the darwin gdb option, that version of gdb is now ↵Michael Gottesman2013-09-04
| | | | | | | | | | | | | | dead and the rest of the compatibility should be done on a dwarf-N level."" This reverts commit r189913. Talked with Eric on IRC. I am going to XFAIL the failing test since it is using what Eric described as "the member hack" which was needed on that old GDB. Sorry for the noise! git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@189914 91177308-0d34-0410-b5e6-96231b3b80d8
* Revert "Remove the darwin gdb option, that version of gdb is now dead and ↵Michael Gottesman2013-09-04
| | | | | | | | | | | | the rest of the compatibility should be done on a dwarf-N level." This reverts commit r189903. This commit broke the phase 1 buildbot for a while. http://lab.llvm.org:8013/builders/clang-x86_64-darwin11-nobootstrap-RAincremental/builds/6684 git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@189913 91177308-0d34-0410-b5e6-96231b3b80d8
* Add llvm namespace to llvm::next.Michael Gottesman2013-09-04
| | | | git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@189912 91177308-0d34-0410-b5e6-96231b3b80d8
* Use llvm::next() instead of incrementing begin iterators of std::vector.Michael Gottesman2013-09-04
| | | | | | | | | | Iterator of std::vector may be implemented as a raw pointer. In this case begin iterators are rvalues and cannot be incremented. For example, this is the case with STDCXX implementation of vector. Patch by Konstantin Tokarev <annulen@yandex.ru>. git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@189911 91177308-0d34-0410-b5e6-96231b3b80d8
* Remove the darwin gdb option, that version of gdb is now dead andEric Christopher2013-09-04
| | | | | | the rest of the compatibility should be done on a dwarf-N level. git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@189903 91177308-0d34-0410-b5e6-96231b3b80d8
* Make the default dwarf version 3 for darwin when we can't find oneEric Christopher2013-09-04
| | | | | | in the module. Add a FIXME with a comment about darwin's ld. git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@189902 91177308-0d34-0410-b5e6-96231b3b80d8
* Add r159136 back now that pr13124 has been fixed.Rafael Espindola2013-09-03
| | | | | | | | | | Original message: If a constant or a function has linkonce_odr linkage and unnamed_addr, mark hidden. Being linkonce_odr guarantees that it is available in every dso that needs it. Being a constant/function with unnamed_addr guarantees that the copies don't have to be merged. git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@189886 91177308-0d34-0410-b5e6-96231b3b80d8
* X86: Mark non-crashing report_fatal_errors() as such.Jim Grosbach2013-09-03
| | | | | | | | | Previously, the clang crash handling code would kick in and give a crash report for these, even though they're not that sort of error. rdar://14882264 git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@189878 91177308-0d34-0410-b5e6-96231b3b80d8
* [objc-arc] Remove dead code from previous commit.Michael Gottesman2013-09-03
| | | | git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@189870 91177308-0d34-0410-b5e6-96231b3b80d8
* [objc-arc] Turn off the objc_retainBlock -> objc_retain optimization.Michael Gottesman2013-09-03
| | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | The reason that I am turning off this optimization is that there is an additional case where a block can escape that has come up. Specifically, this occurs when a block is used in a scope outside of its current scope. This can cause a captured retainable object pointer whose life is preserved by the objc_retainBlock to be deallocated before the block is invoked. An example of the code needed to trigger the bug is: ---- \#import <Foundation/Foundation.h> int main(int argc, const char * argv[]) { void (^somethingToDoLater)(); { NSObject *obj = [NSObject new]; somethingToDoLater = ^{ [obj self]; // Crashes here }; } NSLog(@"test."); somethingToDoLater(); return 0; } ---- In the next commit, I remove all the dead code that results from this. Once I put in the fixing commit I will bring back the tests that I deleted in this commit. rdar://14802782. rdar://14868830. git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@189869 91177308-0d34-0410-b5e6-96231b3b80d8
* Add a hashing routine that handles hashing types. Add a test forEric Christopher2013-09-03
| | | | | | hashing the contents of DW_FORM_data1 on top of a type with attributes. git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@189862 91177308-0d34-0410-b5e6-96231b3b80d8
* Sentences end with periods.Eric Christopher2013-09-03
| | | | git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@189861 91177308-0d34-0410-b5e6-96231b3b80d8
* Enable late-vectorization by default.Nadav Rotem2013-09-03
| | | | | | | | | | | | | | | | | | | | | | This patch changes the default setting for the LateVectorization flag that controls where the loop-vectorizer is ran. Perf gains: SingleSource/Benchmarks/Shootout/matrix -37.33% MultiSource/Benchmarks/PAQ8p/paq8p -22.83% SingleSource/Benchmarks/Linpack/linpack-pc -16.22% SingleSource/Benchmarks/Shootout-C++/ary3 -15.16% MultiSource/Benchmarks/TSVC/NodeSplitting-flt/NodeSplitting-flt -10.34% MultiSource/Benchmarks/TSVC/NodeSplitting-dbl/NodeSplitting-dbl -7.12% Regressions: SingleSource/Benchmarks/Misc/lowercase 15.10% MultiSource/Benchmarks/TSVC/Equivalencing-flt/Equivalencing-flt 13.18% SingleSource/Benchmarks/Shootout-C++/matrix 8.27% SingleSource/Benchmarks/CoyoteBench/lpbench 7.30% git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@189858 91177308-0d34-0410-b5e6-96231b3b80d8
* Teach InstCombineLoadCast about address spaces.Matt Arsenault2013-09-03
| | | | | | | | This is another one that doesn't matter much, but uses the right GEP index types in the first place. git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@189854 91177308-0d34-0410-b5e6-96231b3b80d8
* Use type form of getIntPtrType in alloca visitor.Matt Arsenault2013-09-03
| | | | | | | This doesn't actually matter, since alloca is always 0 address space, but this is more consistent. git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@189853 91177308-0d34-0410-b5e6-96231b3b80d8
* WIP: Refactor some code so that it can be called by more than just one ↵Bill Wendling2013-09-03
| | | | | | method. No functionality change. git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@189849 91177308-0d34-0410-b5e6-96231b3b80d8
* Revert "Revert "ARM: Improve pattern for isel mul of vector by scalar.""Jim Grosbach2013-09-03
| | | | | | | | | This reverts commit r189648. Fixes for the previously failing clang-side arm_neon_intrinsics test cases will be checked in separately. git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@189841 91177308-0d34-0410-b5e6-96231b3b80d8
* Add the rest of the stock attributes to the attribute table.Eric Christopher2013-09-03
| | | | | | | | This won't affect the kinds of hashes we test for as we actually do hashing based on form and attribute. Change the fission-hash testcase one last time to handle DW_AT_comp_dir. git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@189840 91177308-0d34-0410-b5e6-96231b3b80d8
* In this patch we are trying to do two things:Yi Jiang2013-09-03
| | | | | | | | | 1) If the width of vectorization list candidate is bigger than vector reg width, we will break it down to fit the vector reg. 2) We do not vectorize the width which is not power of two. The performance result shows it will help some spec benchmarks. mesa improved 6.97% and ammp improved 1.54%. git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@189830 91177308-0d34-0410-b5e6-96231b3b80d8
* [SystemZ] Add support for TMHH, TMHL, TMLH and TMLLRichard Sandiford2013-09-03
| | | | | | | | | | For now this just handles simple comparisons of an ANDed value with zero. The CC value provides enough information to do any comparison for a 2-bit mask, and some nonzero comparisons with more populated masks, but that's all future work. git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@189819 91177308-0d34-0410-b5e6-96231b3b80d8
* [msan] Fix handling of select with struct arguments.Evgeniy Stepanov2013-09-03
| | | | git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@189796 91177308-0d34-0410-b5e6-96231b3b80d8
* [msan] Fix select instrumentation.Evgeniy Stepanov2013-09-03
| | | | | | | | Select condition shadow was being ignored resulting in false negatives. This change OR-s sign-extended condition shadow into the result shadow. git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@189785 91177308-0d34-0410-b5e6-96231b3b80d8
* [Sparc] Add support for soft long double (fp128).Venkatraman Govindaraju2013-09-03
| | | | git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@189780 91177308-0d34-0410-b5e6-96231b3b80d8
* Add hadSideEffects=0 to some instructions.Craig Topper2013-09-03
| | | | git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@189779 91177308-0d34-0410-b5e6-96231b3b80d8
* [Sparc] Implement spill and load for long double(f128) registers.Venkatraman Govindaraju2013-09-02
| | | | git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@189768 91177308-0d34-0410-b5e6-96231b3b80d8
* ARM: Default to the Swift CPU when targeting armv7s/thumbv7s.Tilmann Scheller2013-09-02
| | | | | | | | | | Test cases adjusted accordingly. This fixes rdar://14871821. git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@189766 91177308-0d34-0410-b5e6-96231b3b80d8
* Revert 189756 for now, it doesn't match what rdar://14871821 really wants.Tilmann Scheller2013-09-02
| | | | | | | What we really want is to enable Swift by default for *v7s triples (and there already seems to be some logic which attempts to do that). In that case the iOS version doesn't matter. git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@189763 91177308-0d34-0410-b5e6-96231b3b80d8
* ARM: Default to Swift when compiling for iOS 6 or later.Tilmann Scheller2013-09-02
| | | | | | | | | | Test cases adjusted accordingly. This fixes rdar://14871821. git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@189756 91177308-0d34-0410-b5e6-96231b3b80d8
* Create BEXTR instructions for (and ((sra or srl) x, imm), (2**size - 1)). ↵Craig Topper2013-09-02
| | | | | | Fixes PR17028. git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@189742 91177308-0d34-0410-b5e6-96231b3b80d8
* AVX-512: updated the list of high-latency instructions.Elena Demikhovsky2013-09-02
| | | | git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@189740 91177308-0d34-0410-b5e6-96231b3b80d8
* AVX-512: gather-scatter tests; added foldable instructions;Elena Demikhovsky2013-09-02
| | | | | | | Specify GATHER/SCATTER as heavy instructions. git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@189736 91177308-0d34-0410-b5e6-96231b3b80d8
* llvm interpreter: select, shuffle and insertelement instructions.Elena Demikhovsky2013-09-02
| | | | | | | | | | | This patch implements vector support for select instruction and adds specific vector instructions : shuffle and insertelement. (tests are also included) and functions lle_X_memset, lle_X_memcpy added. Done by Veselov, Yuri (mailto:Yuri.Veselov@intel.com) git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@189735 91177308-0d34-0410-b5e6-96231b3b80d8
* Fix some rather confusing indentation and control flow in the errnoChandler Carruth2013-09-02
| | | | | | | | | | | | | printing routine. This is made harder to see due to the surprising formatting, inconsistent brace usage, and repeated conditions that all test the same thing. The only "consequence" of this bug is re-assigning 'str' to an empty string when computing the error string for an error number of 0 in the event of a non-GNU strerror_r routine. So, nothing to see here other than cleanup. It did help me find PR17055 in clang-format though. git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@189734 91177308-0d34-0410-b5e6-96231b3b80d8
* AVX-512: Added GATHER and SCATTER instructions.Elena Demikhovsky2013-09-01
| | | | git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@189729 91177308-0d34-0410-b5e6-96231b3b80d8
* Move everything depending on Object/MachOFormat.h over to Support/MachO.h.Charles Davis2013-09-01
| | | | git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@189728 91177308-0d34-0410-b5e6-96231b3b80d8
* Make sure we don't generate stubs for any of these functions because theyReed Kotler2013-09-01
| | | | | | | | | | | don't exist in libc. This is really not the right way to solve this problem; but it's not clear to me at this time exactly what is the right way. If we create stubs here, they will cause link errors because these functions do not exist in libc. git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@189727 91177308-0d34-0410-b5e6-96231b3b80d8
* Mark an unreachable code path with llvm_unreachable. Pacifies GCC.Benjamin Kramer2013-08-31
| | | | git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@189726 91177308-0d34-0410-b5e6-96231b3b80d8
* SimplifyLibCalls: When emitting an overloaded fp function check that it's ↵Benjamin Kramer2013-08-31
| | | | | | | | | | available. The existing code missed some edge cases when e.g. we're going to emit sqrtf but only the availability of sqrt was checked. This happens on odd platforms like windows. git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@189724 91177308-0d34-0410-b5e6-96231b3b80d8
* Fix my previous checkin to updatePressureDiffs.Andrew Trick2013-08-31
| | | | | | | | There was one case that we could hit a DebugValue where I didn't think to check. DebugValues are evil. No checkinable test case, sorry. It's an obvious fix. git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@189717 91177308-0d34-0410-b5e6-96231b3b80d8
* [PowerPC] Fast-isel cleanup patch.Bill Schmidt2013-08-31
| | | | | | | | | | | | | | | | | | | | | Here are a few miscellaneous things to tidy up the PPC64 fast-isel implementation. I corrected a couple of commentary lapses, and added documentation of future opportunities. I also implemented TargetMaterializeAlloca, which I somehow forgot when I split up the original huge patch. Finally, I decided to delete SelectCmp. I hadn't previously hooked it in to TargetSelectInstruction(), and when I did I realized it wasn't serving any useful purpose. This is only useful for compares that don't feed a branch in the same block, and to handle that we would have to have logic to interpret i1 as a condition register. This could probably be done, but would require Unseemly Hackery, and honestly does not seem worth the hassle. This ends the current patch series. git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@189715 91177308-0d34-0410-b5e6-96231b3b80d8
* [PowerPC] Add integer truncation support to fast-isel.Bill Schmidt2013-08-30
| | | | | | | | | | | | | This is the last substantive patch I'm planning for fast-isel in the near future, adding fast selection of integer truncates. There are certainly more things that can be improved (many of which are called out in FIXMEs), but for now we are catching most of the important cases. I'll document some of the remaining work in a cleanup patch shortly. git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@189706 91177308-0d34-0410-b5e6-96231b3b80d8
* Correct partially defined variableBill Schmidt2013-08-30
| | | | git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@189705 91177308-0d34-0410-b5e6-96231b3b80d8
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