Make test run on most platforms and only fail on cygwin/mingw while
it's being investigated for those.

git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@205704 91177308-0d34-0410-b5e6-96231b3b80d8
Add debug location information to the vectorizer debug statements.

Patch by Zinovy Nis.

git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@205705 91177308-0d34-0410-b5e6-96231b3b80d8
Add NDEBUG markers around debug only function.

git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@205706 91177308-0d34-0410-b5e6-96231b3b80d8
Fix a typo in the comment.

git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@205707 91177308-0d34-0410-b5e6-96231b3b80d8
XFAIL this completely at the moment:

cygwin has llvm-dwarfdump problems and isn't paying attention to the
specific xfail there.

s390x isn't matching for an unknown reason.

git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@205708 91177308-0d34-0410-b5e6-96231b3b80d8
Handle vlas during inline cost computation if they'll be turned
into a constant size alloca by inlining.

Ran a run over the testsuite, no results out of the noise, fixes
the testcase in the PR.

PR19115.

git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@205710 91177308-0d34-0410-b5e6-96231b3b80d8
Revert the last couple of patches here and go back to something
that at least failed reliably.

git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@205711 91177308-0d34-0410-b5e6-96231b3b80d8
Invert the option to enable debug info verification. No functional
change outside of the command line to enable it.

git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@205713 91177308-0d34-0410-b5e6-96231b3b80d8
Use .data() instead of &x[0]

git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@205722 91177308-0d34-0410-b5e6-96231b3b80d8
Use std::swap

git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@205723 91177308-0d34-0410-b5e6-96231b3b80d8
When a CHECK-NEXT fails because there was no match on the next line, include
the non-matching next line in the diagnostic to make the problem more obvious.


git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@205725 91177308-0d34-0410-b5e6-96231b3b80d8
Remove an unused file.

Using this file would result in an odr violation: it defines an llvm::Interval
class that conflicts with the one in Analysis/Interval.h.


git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@205726 91177308-0d34-0410-b5e6-96231b3b80d8
R600: Replace dyn_cast + assert with cast

git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@205730 91177308-0d34-0410-b5e6-96231b3b80d8
R600: Match 24-bit arithmetic patterns in a Target DAGCombine

Moving these patterns from TableGen files to PerformDAGCombine()
should allow us to generate better code by eliminating unnecessary
shifts and extensions earlier.

This also fixes a bug where the MAD pattern was calling
SimplifyDemandedBits with a 24-bit mask on the first operand
even when the full pattern wasn't being matched.  This occasionally
resulted in some instructions being incorrectly deleted from the
program.

v2:
  - Fix bug with 64-bit mul

git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@205731 91177308-0d34-0410-b5e6-96231b3b80d8
R600/SI: Handle INSERT_SUBREG in SIFixSGPRCopies

git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@205732 91177308-0d34-0410-b5e6-96231b3b80d8
Put a limit on ScheduleDAGSDNodes::ClusterNeighboringLoads to avoid blowing up compile time.

Fixes PR16365 - Extremely slow compilation in -O1 and -O2.

The SD scheduler has a quadratic implementation of load clustering
which absolutely blows up compile time for large blocks with constant
pool loads. The MI scheduler has a better implementation of load
clustering. However, we have not done the work yet to completely
eliminate the SD scheduler. Some benchmarks still seem to benefit from
early load clustering, although maybe by chance.

As an intermediate term fix, I just put a nice limit on the number of
DAG users to search before finding a match. With this limit there are no
binary differences in the LLVM test suite, and the PR16365 test case
does not suffer any compile time impact from this routine.

git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@205738 91177308-0d34-0410-b5e6-96231b3b80d8
Reverting commit r205628 due to mips64 issues.


git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@205741 91177308-0d34-0410-b5e6-96231b3b80d8
[docs] Fix some Sphinx warnings that have crept in.

git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@205742 91177308-0d34-0410-b5e6-96231b3b80d8
[docs] Update link title

docs/TableGen/ is not really just "fundamentals" anymore, but rather
more of a portal for all things TableGen.

git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@205743 91177308-0d34-0410-b5e6-96231b3b80d8
[docs] Fix some links

The TableGen docs have changed structure

Patch by Tay Ray Chuan!

git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@205744 91177308-0d34-0410-b5e6-96231b3b80d8