Make PPCInstrInfo::isPredicated always return false

Because of how predication in implemented on PPC (only for branches), I think
that this is the right thing to do.  No functionality change intended.

git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@179252 91177308-0d34-0410-b5e6-96231b3b80d8
Fix MachO's getRelocationAdditionalInfo.

It was returning the loaded address of the section containing the relocation,
which really doesn't seem to be the intent of this function.

git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@179255 91177308-0d34-0410-b5e6-96231b3b80d8
Add MachO-x86-64 tests.

The object was already checked in, but was not being tested.

git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@179256 91177308-0d34-0410-b5e6-96231b3b80d8
Simplify the code. No functionality change.

git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@179259 91177308-0d34-0410-b5e6-96231b3b80d8
Whitespace.

git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@179262 91177308-0d34-0410-b5e6-96231b3b80d8
R600ControlFlowFinalizer.cpp: Fix a warning. [-Wunused-variable]

git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@179263 91177308-0d34-0410-b5e6-96231b3b80d8
Enhance bool simplifcation in X86 to handle more cases

This patch is revised based on patch from Victor Umansky
<victor.umansky@intel.com>. More cases are handled in X86's bool
simplification, i.e.
- SETCC_CARRY
- value is truncated to i1 with AND

As a by-product, PR5443 is also fixed.



git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@179265 91177308-0d34-0410-b5e6-96231b3b80d8
Add CLAC/STAC instruction encoding/decoding support

As these two instructions in AVX extension are privileged instructions for
special purpose, it's only expected to be used in inlined assembly.



git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@179266 91177308-0d34-0410-b5e6-96231b3b80d8
Optimize vector select from all 0s or all 1s

As packed comparisons in AVX/SSE produce all 0s or all 1s in each SIMD lane,
vector select could be simplified to AND/OR or removed if one or both values
being selected is all 0s or all 1s.



git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@179267 91177308-0d34-0410-b5e6-96231b3b80d8
Rename the C function to create a SLPVectorizerPass to something sane and expose it in the header file.

git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@179272 91177308-0d34-0410-b5e6-96231b3b80d8
Add braces around || in && to pacify GCC.

git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@179275 91177308-0d34-0410-b5e6-96231b3b80d8
FileCheckize a bunch of tests.

git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@179276 91177308-0d34-0410-b5e6-96231b3b80d8
Add missing colons to check lines.

git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@179277 91177308-0d34-0410-b5e6-96231b3b80d8
Add myself in the CREDITS.TXT

git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@179279 91177308-0d34-0410-b5e6-96231b3b80d8
[ASan] Allow disabling init-order checks for globals by source file name.

git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@179280 91177308-0d34-0410-b5e6-96231b3b80d8
Add a function to check if an argument list is too long.

This will be used in clang to decide if it should create an @file or not. It
will be tested on the clang side.

Patch by Nathan Froyd.

git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@179285 91177308-0d34-0410-b5e6-96231b3b80d8
Add a CHECK-NOT for a more faithful translation of the original grep | count 2.
Thanks to Reid Kleckner for catching this.


git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@179289 91177308-0d34-0410-b5e6-96231b3b80d8
Fix for wrong instcombine on vector insert/extract

When trying to collapse sequences of insertelement/extractelement
instructions into single shuffle instructions, there is one specific
case where the Instruction Combiner wrongly updates the resulting
Mask of shuffle indexes.

The problem is in function CollectShuffleElments.

If we have a sequence of insert/extract element instructions
like the one below:

  %tmp1 = extractelement <4 x float> %LHS, i32 0
  %tmp2 = insertelement <4 x float> %RHS, float %tmp1, i32 1
  %tmp3 = extractelement <4 x float> %RHS, i32 2
  %tmp4 = insertelement <4 x float> %tmp2, float %tmp3, i32 3

Where:
  . %RHS will have a mask of [4,5,6,7]
  . %LHS will have a mask of [0,1,2,3]

The Mask of shuffle indexes is wrongly computed to [4,1,6,7]
instead of [4,0,6,7].
When analyzing %tmp2 in order to compute the Mask for the
resulting shuffle instruction, the algorithm forgets to update
the mask index at position 1 with the index associated to the
element extracted from %LHS by instruction %tmp1.

Patch by Andrea DiBiagio!

git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@179291 91177308-0d34-0410-b5e6-96231b3b80d8
Print more information about relocations.

With this patch llvm-readobj now prints if a relocation is pcrel, its length,
if it is extern and if it is scattered.

It also refactors the code a bit to use bit fields instead of shifts and
masks all over the place.

git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@179294 91177308-0d34-0410-b5e6-96231b3b80d8
Fix llvm-readobj tests on big endian hosts.

git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@179298 91177308-0d34-0410-b5e6-96231b3b80d8