It was getting ignored after r144788.

Also fix an accidental implicit cast from the OptLevel enum
to an optional bool argument. MSVC warned on this, but gcc
didn't.

llvm-svn: 145633

where it appeared beneficial to pass.
More of rdar://10500969

llvm-svn: 145630

llvm-svn: 145629

llvm-svn: 145627

   - Another reapply of r144300, with hopefully one last fix.

llvm-svn: 145623

directory when running from a build directory.

llvm-svn: 145622

llvm-svn: 145619

Improved fix for abs(val) != 0 to check other similar case.  Also fixed style issues and confusing comment

llvm-svn: 145618

[asan] two minor fixes: use UnreachableInst after the neverreturn function call; use report_fatal_error when blacklist file can not be found

llvm-svn: 145611

llvm-svn: 145608

llvm-svn: 145607

llvm-svn: 145596

llvm-svn: 145590

Original commit message:
llvm-config: Replace with C++ version (was llvm-config-2).
 - Reapply of r144300, with lots of fixes/migration easement in between.

llvm-svn: 145582

sure we can emit both the high and low versions of those registers.

Fixes rdar://10392864

llvm-svn: 145579

llvm-svn: 145578

llvm-svn: 145573

llvm-svn: 145570

(val != 0) == (-val != 0) so "abs(val) != 0" becomes "val != 0"

Fixes <rdar://problem/10482509>

llvm-svn: 145563

InstructionSimplify.cpp.  Other fixups as needed.
Part of rdar://10500969

llvm-svn: 145559

llvm-svn: 145556

llvm-svn: 145553

llvm-svn: 145535

llvm-svn: 145530

remaining FMA4 instructions and intrinsics with tests.

llvm-svn: 145525

Make GlobalMerge honor the preferred alignment on globals without an explicitly specified alignment.

<rdar://problem/10497732>.

llvm-svn: 145523

llvm-svn: 145522

llvm-svn: 145521

When I did this before it broke a buildbot that was testing that target, but
we've removed that buildbot now.

llvm-svn: 145519

llvm-svn: 145518

llvm-svn: 145517

llvm-svn: 145512

llvm-svn: 145510

llvm-svn: 145508

llvm-svn: 145504

llvm-svn: 145498

While at it remove the barcelona/instanbul/shanghai subtargets, they're
unsupported by GCC and look pretty broken.

llvm-svn: 145494

llvm-svn: 145493

llvm-svn: 145489

X86: PerformOrCombine introduced a vselect node with a wrong order of operands. This bug was introduced when a dedicated blend sdnode was replaced with the vselect node (in 139479).

llvm-svn: 145488