[mips][mips64r6] Sorted *_ENC, *_DESC classes and tests

Differential Revision: http://reviews.llvm.org/D3808


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Hexagon: Add encoding bits to the mpy instructions.



git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@209132 91177308-0d34-0410-b5e6-96231b3b80d8
[ARM64] Split tbz/tbnz into W/X register variant

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Revert "Patch for function cloning to inline all blocks whose address is taken"
as it was causing build failures in ruby.

This reverts commit r207713.

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MemoryBuffer: Use GetNativeSystemInfo()

Removes old 4096 byte workaround. This functionality has been available since
Windows XP.

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reverting r209132



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Use range for

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Check the alwaysinline attribute on the call as well as on the caller.

Differential Revision: http://reviews.llvm.org/D3815

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Kill symbolization functionality in llvm-dwarfdump. We have llvm-symbolizer for that.


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[RuntimeDyld] Fix x86-64 MachO GOT relocation handling.

For GOT relocations the addend should modify the offset to the
GOT entry, not the value of the entry itself. Teach RuntimeDyldMachO
to do The Right Thing here.

Fixes <rdar://problem/16961886>.
 


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Fix testers by removing dubious testcase for r209154.

It turns out that not all the world is x86-64. Who knew?

I'll get to work on a more appropriate test case for this patch.



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Added more insertps optimizations

Summary:
When inserting an element that's coming from a vector load or a broadcast
of a vector (or scalar) load, combine the load into the insertps
instruction.
Added PerformINSERTPSCombine for the case where we need to fix the load
(load of a vector + insertps with a non-zero CountS).
Added patterns for the broadcasts.

Also added tests for SSE4.1, AVX, and AVX2.

Reviewers: delena, nadav, craig.topper

Subscribers: llvm-commits

Differential Revision: http://reviews.llvm.org/D3581

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Implement MachOObjectFile::isSectionData() and MachOObjectFile::isSectionBSS
so that llvm-size will total up all the sections in the Berkeley format.  This
allows for rough categorizations for Mach-O sections.  And allows the total of
llvm-size’s Berkeley and System V formats to be the same.


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[X86] Add ISel patterns to improve the selection of TZCNT and LZCNT.

Instructions TZCNT (requires BMI1) and LZCNT (requires LZCNT), always
provide the operand size as output if the input operand is zero.

We can take advantage of this knowledge during instruction selection
stage in order to simplify a few corner case.



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[ConstantHoisting][X86] Change the cost model to never hoist constants for types larger than i128.

Currently the X86 backend doesn't support types larger than i128 very well. For
example an i192 multiply will assert in codegen when the 2nd argument is a constant and the constant got hoisted.

This fix changes the cost model to never hoist constants for types larger than
i128. Once the codegen issues have been resolved, the cost model can be updated
to allow also larger types.

This is related to <rdar://problem/16954938>

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cmake: Remove -D NDEBUG from CFLAGS as well as CXXFLAGS

This silences ~7 warnings on .c files in the LLVM build.

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Fix typos.

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DebugInfo: Fix missing inlined_subroutines caused by r208748.

The check in DwarfDebug::constructScopeDIE was meant to consider inlined
subroutines as any non-top-level scope that was a subprogram. Instead of
checking "not top level scope" it was checking if the /subprogram's/
scope was non-top-level.

Fix this and beef up a test case to demonstrate some of the missing
inlined_subroutines are no longer missing.

In the course of fixing this I also found that r208748 (with this fix)
found one /extra/ inlined_subroutine in concrete_out_of_line.ll due to
two inlined_subroutines having the same inlinedAt location. The previous
implementation was collapsing these into a single inlined subroutine.

I'm not sure what the original code was that created this .ll file so
I'm not sure if this actually happens in practice today. Since we
deliberately include column information to disambiguate two calls on the
same line, that may've addressed this bug in the frontend, but it's good
to know that workaround isn't necessary for this particular case
anymore.

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DebugInfo: Don't include DW_AT_inline on each abstract definition multiple times.

When I refactored this in r208636 I accidentally caused this to be added
multiple times to each abstract subprogram (not accounting for the
deduplicating effect of the InlinedSubprogramDIEs set).

This got better in r208798 when the abstract definitions got the
attribute added to them at construction time, but still had the
redundant copies introduced in r208636.

This commit removes those excess DW_AT_inlines and relies solely on the
insertion in r208798.

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Add documentation for llvm-dwarfdump tool

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