Make AsmPrinter::emitImplicitDef a virtual method so targets can emit custom comments for implicit defs

For NVPTX, this fixes a crash where the emitImplicitDef implementation was expecting physical registers,
while NVPTX uses virtual registers (with a couple of exceptions).  Now, the implicit def comment will be
emitted as a true PTX register name. Other targets can use this to customize the output of implicit def
comments.

Fixes PR17519

llvm-svn: 192444

llvm-svn: 192443

Add a test.

llvm-svn: 192442

llvm-svn: 192441

llvm-svn: 192440

llvm-svn: 192439

[mips][msa] Added support for matching maddv.[bhwd], and msubv.[bhwd] from normal IR (i.e. not intrinsics)

llvm-svn: 192438

llvm-svn: 192437

Incorrect handling of 'double' and 'long long int'

llvm-svn: 192436

llvm-svn: 192435

llvm-svn: 192434

llvm-svn: 192433

When a ConstantExpr which uses a thread local is part of a PHI node
instruction, the insruction that replaces the ConstantExpr must
be inserted in the predecessor block, in front of the terminator instruction.
If the predecessor block has multiple successors, the edge is first split.

llvm-svn: 192432

llvm-svn: 192431

llvm-svn: 192430

[mips][msa] Added support for matching ffint_[us].[wd], and ftrunc_[us].[wd] from normal IR (i.e. not intrinsics)

llvm-svn: 192429

[Sanitizer] Simplify StackTrace::FastUnwindStack interface and fix a bug with one-frame stack traces

llvm-svn: 192428

llvm-svn: 192427

llvm-svn: 192426

llvm-svn: 192425

llvm-svn: 192424

allowRemainingUndefines() is already checked in Resolver::resolve(), so we
don't need to check it again after returning from it. It's actually not only
superfluous but buggy because a failure of resolve() does not always mean that
there is a remaining undefines.

llvm-svn: 192423

llvm-svn: 192422

llvm-svn: 192421

llvm-svn: 192420

Fixes <rdar://problem/14468891>.

llvm-svn: 192419

This eliminates _elements's size check from the loop.

llvm-svn: 192418

Mark it as requiring the x86 target.

llvm-svn: 192417

llvm-svn: 192416

This patch also handles errors other than no_more_files error. They were silently
ignored.

llvm-svn: 192415

llvm-svn: 192414

-f{function,data}-sections had no tests at all, add some, and verify that the
-fno variants work as well.

llvm-svn: 192413

llvm-svn: 192412

vget_lane, vset_lane, vcopy_lane, vcreate, vdup_n, vdup_lane, vmov_n.

llvm-svn: 192411

llvm-svn: 192410

This also reverts the LayoutPass to use std::sort as all files
have an ordinal now.

llvm-svn: 192409

MIPS's .dyanamic section is read-only.  Instead of using DT_DEBUG for
the pointer to dyld information it uses a separate tag DT_MIPS_RLD_MAP
which points to storage in the read-write .rld_map section, which in
turn points to the dyld information.

Review: http://llvm-reviews.chandlerc.com/D1890
llvm-svn: 192408

don't leave a blank line behind replacing the typedef
decl. // rdar://15200949

llvm-svn: 192407

llvm-svn: 192406

This was just broken.

llvm-svn: 192405