register pressure and thus excess spills, which we don't currently recover from well.  This should
be re-evaluated in the future if our ability to generate good spills/splits improves.

Partial fix for <rdar://problem/7635585>.

llvm-svn: 114919

enable it for real. Leaving the CL option in place to it's easy to disable it
again if (when) testers find something I've missed.

llvm-svn: 114915

makes files easier to diff.

llvm-svn: 114898

llvm-svn: 114896

llvm-svn: 114895

Usually we wouldn't do this anyway because llvm_fenv_testexcept would return an
exception, but we have seen some cases where neither errno nor fenv detect an
exception on arm-linux.

llvm-svn: 114893

enable it for real. Leaving the CL option in place to it's easy to disable it
again if (when) testers find something I've missed.

llvm-svn: 114892

llvm-svn: 114891

llvm-svn: 114888

llvm-svn: 114886

"linker_private_weak_auto_def" linkage type for LTO.

llvm-svn: 114868

llvm-svn: 114862

llvm-svn: 114861

This reverts revision 114633. It was breaking llvm-gcc-i386-linux-selfhost.

It seems there is a downstream bug that is exposed by
-cgp-critical-edge-splitting=0. When that bug is fixed, this patch can go back
in.

Note that the changes to tailcallfp2.ll are not reverted. They were good are
required.

llvm-svn: 114859

by reenabling it temporarily.

llvm-svn: 114858

llvm-svn: 114857

llc now recognizes the "intent" to support MC/obj emission for ARM, but
given that they are all stubs, it asserts on --filetype=obj --march=arm

Patch by Jason Kim.

llvm-svn: 114856

llvm-svn: 114852

during LTO.

llvm-svn: 114850

llvm-svn: 114847

llvm-svn: 114844

and asserts.

llvm-svn: 114843

llvm-svn: 114842

llvm-svn: 114841

llvm-svn: 114839

llvm-svn: 114838

function on GraphWriter.

llvm-svn: 114837

llvm-svn: 114835

Add constified overloads for findNearestCommonDominator.

llvm-svn: 114834

llvm-svn: 114832

to link in "core".

llvm-svn: 114831

llvm-svn: 114830

rename writeHeader's Name argument to Title, to be consistent
with WriteGraph.

llvm-svn: 114829

llvm-svn: 114828

llvm-svn: 114827

llvm-svn: 114826

llvm-svn: 114825

targeted at symbols into relocations relative to the containing section.

Patch by Nathan Jeffords!

llvm-svn: 114823

llvm-svn: 114822

llvm-svn: 114821