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* ARM: Default to Swift when compiling for iOS 6 or later.Tilmann Scheller2013-09-023-5/+10
| | | | | | | | | | 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
* FileCheck-ize three tests of llvm/test/CodeGen/X86/h-register(s).NAKAMURA Takumi2013-09-023-5/+56
| | | | git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@189755 91177308-0d34-0410-b5e6-96231b3b80d8
* llvm/test/CodeGen/X86: Update tests with -mattr=-bmi not to take BMI, ↵NAKAMURA Takumi2013-09-025-7/+7
| | | | | | | | corresponding to Craig's r189742. AMD Piledriver builder detected failures. git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@189754 91177308-0d34-0410-b5e6-96231b3b80d8
* [CMake] Add -O1 in debug builds with LLVM_USE_SANITIZERAlexey Samsonov2013-09-021-0/+4
| | | | git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@189747 91177308-0d34-0410-b5e6-96231b3b80d8
* Create BEXTR instructions for (and ((sra or srl) x, imm), (2**size - 1)). ↵Craig Topper2013-09-024-0/+54
| | | | | | 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 Demikhovsky2013-09-021-1/+23
| | | | git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@189740 91177308-0d34-0410-b5e6-96231b3b80d8
* Add a clang-format file so that the tool can automatically detect theChandler Carruth2013-09-021-0/+1
| | | | | | | correct style for the LLVM tree as well as projects checked out under projects and tools. git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@189737 91177308-0d34-0410-b5e6-96231b3b80d8
* AVX-512: gather-scatter tests; added foldable instructions;Elena Demikhovsky2013-09-022-15/+61
| | | | | | | 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 Demikhovsky2013-09-026-8/+396
| | | | | | | | | | | 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 Carruth2013-09-021-15/+14
| | | | | | | | | | | | | 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
* Added std:: qualifier to find() invocationDmitri Gribenko2013-09-021-4/+4
| | | | | | | | | | | Iterator of std::vector may be implemented as a raw pointer. In this case ADL does not find the find() function in the std namespace. For example, this is the case with STDCXX implementation of vector. Patch by Konstantin Tokarev. git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@189733 91177308-0d34-0410-b5e6-96231b3b80d8
* Nuke the hilariously out of date suggestion to unpack llvm-gcc 4.2 asChandler Carruth2013-09-011-9/+0
| | | | | | | | | | | | | | | | | | | | | | | | | | | | | part of getting started with LLVM. The LLVM getting started document is in woeful need of attention. I may get to some of this, but some random notes for folks interested: 1) We need to separate the getting started steps for folks who are interested in the core LLVM libs and nothing else, folks interested in a nifty C++ toolchain and nothing else, and folks interested in both. 2) We should include documentation for both release archives, svn, and git in equal portion, and we should document all of the various repositories of interest: llvm, clang, clang-tools-extra, compiler-rt, lld, libcxx, test-suite. 3) We should document the CMake build. We should probably document the CMake build first, and give a fall-back set of docs for the Makefile build for the use cases where that is still the preferred solution. This would more closely match the use cases that folks in the open source community are likely to have, and would remove a point of discrepancy between Linux, Windows, and Mac instructions. 4) Probably a ton of other modernization stuff that I've not thought of here. Anyways, if anyone at all is interested, please help clean up this document. It is much needed. git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@189732 91177308-0d34-0410-b5e6-96231b3b80d8
* Revert r189704, which removed the guidance about not duplicating doc comments.Chris Lattner2013-09-011-0/+7
| | | | | | | This is under active discussion. git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@189730 91177308-0d34-0410-b5e6-96231b3b80d8
* AVX-512: Added GATHER and SCATTER instructions.Elena Demikhovsky2013-09-013-3/+508
| | | | 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 Davis2013-09-0120-1363/+917
| | | | 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 Kotler2013-09-012-17/+34
| | | | | | | | | | | 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 Kramer2013-08-311-0/+1
| | | | git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@189726 91177308-0d34-0410-b5e6-96231b3b80d8
* Free PressureDiffs instead of leaking.Benjamin Kramer2013-08-311-0/+1
| | | | | | Found by valgrind. git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@189725 91177308-0d34-0410-b5e6-96231b3b80d8
* SimplifyLibCalls: When emitting an overloaded fp function check that it's ↵Benjamin Kramer2013-08-312-3/+43
| | | | | | | | | | 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 Trick2013-08-311-4/+19
| | | | | | | | 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 Schmidt2013-08-311-20/+37
| | | | | | | | | | | | | | | | | | | | | 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 Schmidt2013-08-301-0/+31
| | | | | | | | | | | | | 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 Schmidt2013-08-301-1/+2
| | | | git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@189705 91177308-0d34-0410-b5e6-96231b3b80d8
* Remove the suggestion to not duplicate comments in header andChris Lattner2013-08-301-7/+0
| | | | | | | | implementation files. While doc generation systems don't need this, humans do benefit from it. Not everyone reads all code through doxygen. git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@189704 91177308-0d34-0410-b5e6-96231b3b80d8
* [PowerPC] Call support for fast-isel.Bill Schmidt2013-08-305-3/+504
| | | | | | | | | | This patch adds fast-isel support for calls (but not intrinsic calls or varargs calls). It also removes a badly-formed assert. There are some new tests just for calls, and also for folding loads into arguments on calls to avoid extra extends. git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@189701 91177308-0d34-0410-b5e6-96231b3b80d8
* Build fixRichard Mitton2013-08-301-1/+1
| | | | git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@189699 91177308-0d34-0410-b5e6-96231b3b80d8
* Fixed a bug where diassembling an instruction that had a prefix would cause ↵Richard Mitton2013-08-302-7/+68
| | | | | | LLVM to identify a 1-byte instruction, but then upon querying it for that 1-byte instruction would cause an undefined opcode. git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@189698 91177308-0d34-0410-b5e6-96231b3b80d8
* Compulsive reformatting.Bill Wendling2013-08-301-2/+5
| | | | git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@189697 91177308-0d34-0410-b5e6-96231b3b80d8
* [conf] Add config variable to disable crash related overrides.Daniel Dunbar2013-08-306-35/+80
| | | | | | | | | | | | | | | | | | | | | - We do some nasty things w.r.t. installing or overriding signal handlers in order to improve our crash recovery support or interaction with crash reporting software, and those things are not necessarily appropriate when LLVM is being linked into a client application that has its own ideas about how to do things. This gives those clients a way to disable that handling at build time. - Currently, the code this guards is all Apple specific, but other platforms might have the same concerns so I went for a more generic configure name. Someone who is more familiar with library embedding on Windows can handle choosing which of the Windows/Signals.inc behaviors might make sense to go under this flag. - This also fixes the proper autoconf'ing of ENABLE_BACKTRACES. The code expects it to be undefined when disabled, but the autoconf check was just defining it to 0. git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@189694 91177308-0d34-0410-b5e6-96231b3b80d8
* Fix a problem with dual mips16/mips32 mode. When the underlying processorReed Kotler2013-08-306-5/+68
| | | | | | | | | | | | | | | has hard float, when you compile the mips32 code you have to make sure that it knows to compile any mips32 routines as hard float. I need to clean up the way mips16 hard float is specified but I need to first think through all the details. Mips16 always has a form of soft float, the difference being whether the underlying hardware has floating point. So it's not really necessary to pass the -soft-float to llvm since soft-float is always true for mips16 by virtue of the fact that it will not register floating point registers. By using this fact, I can simplify the way this is all handled. git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@189690 91177308-0d34-0410-b5e6-96231b3b80d8
* Use LiveRangeQuery for instruction-level liveness queries.Andrew Trick2013-08-303-22/+9
| | | | | | Remove redundant or bug-prone LiveInterval APIs. git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@189685 91177308-0d34-0410-b5e6-96231b3b80d8
* [PowerPC] Add handling for conversions to fast-isel.Bill Schmidt2013-08-305-0/+593
| | | | | | | | | | Yet another chunk of fast-isel code. This one handles various conversions involving floating-point. (It also includes some miscellaneous handling throughout the back end for LWA_32 and LWAX_32 that should have been part of the load-store patch.) git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@189677 91177308-0d34-0410-b5e6-96231b3b80d8
* Checking commit access; removed one space added in previous test checkin by JimAndrey Churbanov2013-08-301-1/+1
| | | | git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@189673 91177308-0d34-0410-b5e6-96231b3b80d8
* InstCombine: Check for zero shift amounts before subtracting one causing ↵Benjamin Kramer2013-08-302-10/+51
| | | | | | | | | integer overflow. PR17026. Also avoid undefined shifts and shift amounts larger than 64 bits (those are always undef because we can't represent integer types that large). git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@189672 91177308-0d34-0410-b5e6-96231b3b80d8
* X86: Add a description of the Intel Atom Silvermont CPU.Benjamin Kramer2013-08-302-0/+14
| | | | | | Currently this is just the atom model with SSE4.2 enabled. git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@189669 91177308-0d34-0410-b5e6-96231b3b80d8
* Restore llvm-ranlib expansion in RUN-lines removed in r184019Alexey Samsonov2013-08-301-1/+2
| | | | git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@189665 91177308-0d34-0410-b5e6-96231b3b80d8
* Fixup BZHI selection to remove an unneeded zero extension.Craig Topper2013-08-302-13/+15
| | | | git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@189656 91177308-0d34-0410-b5e6-96231b3b80d8
* Remove unused X86andn_flag node.Craig Topper2013-08-301-1/+0
| | | | git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@189654 91177308-0d34-0410-b5e6-96231b3b80d8
* Teach X86 backend to create BMI2 BZHI instructions from (and X, (add (shl 1, ↵Craig Topper2013-08-304-21/+109
| | | | | | Y), -1)). Fixes PR17038. git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@189653 91177308-0d34-0410-b5e6-96231b3b80d8
* Revert "ARM: Improve pattern for isel mul of vector by scalar."Michael Gottesman2013-08-302-29/+0
| | | | | | | | This reverts commit r189619. The commit was breaking the arm_neon_intrinsic test. git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@189648 91177308-0d34-0410-b5e6-96231b3b80d8
* mi-sched: update PressureDiffs on-the-fly for liveness.Andrew Trick2013-08-306-31/+97
| | | | | | | This removes all expensive pressure tracking logic from the scheduling critical path of node comparison. git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@189643 91177308-0d34-0410-b5e6-96231b3b80d8
* Replace LiveInterval::killedAt with isKilledAtInstr.Andrew Trick2013-08-303-10/+11
| | | | | | Return true for LRGs that end at EarlyClobber or Register slots. git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@189642 91177308-0d34-0410-b5e6-96231b3b80d8
* mi-sched: improve the generic register pressure comparison.Andrew Trick2013-08-305-34/+29
| | | | | | | Only compare pressure within the same set. When multiple sets are affected, we prioritize the most constrained set. git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@189641 91177308-0d34-0410-b5e6-96231b3b80d8
* mi-sched: Precompute a PressureDiff for each instruction, adjust for ↵Andrew Trick2013-08-3011-101/+391
| | | | | | | | | | | | | liveness later. Created SUPressureDiffs array to hold the per node PDiff computed during DAG building. Added a getUpwardPressureDelta API that will soon replace the old one. Compute PressureDelta here from the precomputed PressureDiffs. Updating for liveness will come next. git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@189640 91177308-0d34-0410-b5e6-96231b3b80d8
* [PowerPC] Handle selection of compare instructions in fast-isel.Bill Schmidt2013-08-302-0/+307
| | | | | | | | Mostly trivial patch adding support for compares. The meat of the work was added with the branch support. git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@189639 91177308-0d34-0410-b5e6-96231b3b80d8
* Remove bogus debug statement. Sheesh.Bill Schmidt2013-08-301-4/+2
| | | | git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@189638 91177308-0d34-0410-b5e6-96231b3b80d8
* [PowerPC] Miscellaneous fast-isel test cases.Bill Schmidt2013-08-304-0/+131
| | | | | | | | Here are a few more tests that now pass after the recent fast-isel commits. git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@189637 91177308-0d34-0410-b5e6-96231b3b80d8
* [PowerPC] Add loads, stores, and related things to fast-isel.Bill Schmidt2013-08-306-7/+1210
| | | | | | | | | | | | | | | | | | | | | | | | | | | This is the next big chunk of fast-isel code. The primary purpose is to implement selection of loads and stores, but there is a lot of drag-along to support this. The common code to analyze addresses for both loads and stores is substantial. It's also necessary to add the materialization code for global values. Related to load-store processing is the code to fold loads into integer extends, since otherwise we generate lots of redundant instructions. We also need to add some overrides to some FastEmit routines to ensure we don't assign GPR 0 to a virtual register when this would change the meaning of an instruction. I added handling selection of a few binary arithmetic instructions, to enable committing some test cases I wrote a while back. Finally, ap couple of miscellaneous changes: * I cleaned up some poor style from a previous patch in PPCISelLowering.cpp, pointed out by David Blaikie. * I enlarged the Addr.Offset field to avoid sign problems with 32-bit offsets. git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@189636 91177308-0d34-0410-b5e6-96231b3b80d8
* comment typoAndrew Trick2013-08-301-1/+1
| | | | git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@189635 91177308-0d34-0410-b5e6-96231b3b80d8
* Random cleanup: No need to use a std::vector here, since ↵Bill Wendling2013-08-301-5/+4
| | | | | | createInternalizePass uses an ArrayRef. git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@189632 91177308-0d34-0410-b5e6-96231b3b80d8
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