CostModel: improve the cost model for load/store of non power-of-two types such as <3 x float>, which are popular in graphics.

llvm-svn: 185085

The purpose of this test was to check boundary conditions for the size
of an ALU clause.  This test is very sensitive to changes to the
optimizer or scheduler, because it requires an exact number of ALU
instructions in order to remain valid.  It's not good to have a test
this sensitive, because it is confusing to developers who implement
optimizations and then 'break' the test.

I'm not sure if there is a good way to test these limits using lit, but
if I can come up with replacement test that isn't as sensitive I'll add
it back to the tree.

llvm-svn: 185084

Use vectorized instruction instead of original instruction anchored in the
original loop.

Fixes PR16452 and t2075.c of PR16455.

llvm-svn: 185081

It fixes PR16338 (ICE when compiling very large two-dimensional array).

Differential Revision: http://llvm-reviews.chandlerc.com/D1043

llvm-svn: 185080

llvm-svn: 185073

llvm-svn: 185072

llvm-svn: 185071

llvm-svn: 185070

llvm-svn: 185069

llvm-svn: 185068

Add pseudo conditional store instructions, so that we use:

    branch foo:
    store
foo:

instead of:

    load
    branch foo:
    move
foo:
    store

z196 has real 32-bit and 64-bit conditional stores, but we don't use
any z196 instructions yet.

llvm-svn: 185065

Add more owners to CODE_OWNERS.TXT (Kostya Serebryany: AddressSanitizer and ThreadSanitizer; Evgeniy Stepanov: MemorySanitizer)

llvm-svn: 185064

llvm-svn: 185061

This is essentially reverting one piece of 184793 to try to fix one of Apple's
buildbots.  I will check with Eric to see if this is OK or if we need to find
some other solution.

llvm-svn: 185060

There are a few valid situation where we care about the structure inside a
directory, but not about the directory itself. A simple example is for unit
testing directory traversal.

PathV1 had a function like this, add one to V2 and port existing users of the
created temp file and delete it hack to using it.

llvm-svn: 185059

llvm-svn: 185052

When we store values for reversed induction stores we must not store the
reversed value in the vectorized value map. Another instruction might use this
value.

This fixes 3 test cases of PR16455.

llvm-svn: 185051

[APFloat] Added unittest for APFloat.divide that checks special cases, result categories, and result statuses.

llvm-svn: 185050

The Builtin attribute is an attribute that can be placed on function call site that signal that even though a function is declared as being a builtin,

rdar://problem/13727199

llvm-svn: 185049

llvm-svn: 185047

llvm-svn: 185045

[APFloat] Added unittest for APFloat.multiply that checks special cases, result categories, and result status.

llvm-svn: 185044

[APFloat] Added unittest for APFloat.subtract that checks special cases, result categories, and result status.

llvm-svn: 185043

SLP: When searching for vectorization opportunities scan the blocks in post-order because we grow chains upwards.

llvm-svn: 185041

SLP: Dont erase instructions during vectorization because it prevents the outerloops from iterating over the instructions.

llvm-svn: 185040

In InstCombine{AddSub,MulDivRem} convert APFloat.isFiniteNonZero() && !APFloat.isDenormal => APFloat.isNormal.

llvm-svn: 185037

Currently inside APFloat fcNormal still implies the old definition of Normal
(i.e. isFiniteNonZero) instead of the proper IEEE-754R definition that the
external method isNormal() uses.

This patch prepares for the internal switch inside APFloat by converting all
references that check if a category is fcNormal directly with an indirect call
via isFiniteNonZero().

llvm-svn: 185036

This reverts commit r185020

llvm-svn: 185032

Option groups don't have prefixes.  Option dumping is basically dead
code unless there is something wrong with the option table, so this
isn't an important crasher.

llvm-svn: 185031

llvm-svn: 185030

function to lookup the proper tablegen'ed register enumeration.  Previously,
it was using the encoded value directly.

llvm-svn: 185026

ARM: Proactively ensure that the LowerCallResult hack for 'this'-returns is not used for incompatible calling conventions.

(Currently, ARM 'this'-returns are handled in the standard calling convention case by treating R0 as preserved and doing some extra magic in LowerCallResult; this may not apply to calling conventions added in the future so this patch provides and documents an interface for indicating such)

llvm-svn: 185024

No functionality change.
It should suffice to check the type of a debug info metadata, instead of
calling Verify.

llvm-svn: 185020

llvm-svn: 185016

llvm-svn: 185015

llvm-svn: 185012

subs.

llvm-svn: 185011

llvm-svn: 184974

llvm-svn: 184973

Patch by 罗勇刚(Yonggang Luo).

llvm-svn: 184971