llvm-svn: 62470

llvm-svn: 62467

llvm-svn: 62462

doing very similar pointer capture analysis.
Factor out the common logic.  The new version
is from FunctionAttrs since it does a better
job than the version in BasicAliasAnalysis

llvm-svn: 62461

llvm-svn: 62459

supposed to take two arguments.

llvm-svn: 62457

putc, puts, perror, vscanf and vsscanf from getting annotations.

Add annotations for eight printf functions, memalign, pread and pwrite.

On Linux, llvm-gcc sometimes renames strdup, getc, putc, strtok_r, scanf and
sscanf. Match the alternate function names.

Fix a crash annotating opendir.

Don't mark fsetpos's second parameter as nocapture. It's supposed to be
captured.

Do mark fopen's path and mode strings as nocapture. Mark ferror as readonly,
but not fileno which may set errno.

llvm-svn: 62456

llvm-svn: 62436

llvm-svn: 62430

llvm-svn: 62428

Remove tabs.

llvm-svn: 62423

llvm-svn: 62421

llvm-svn: 62418

llvm-svn: 62415

llvm-svn: 62413

llvm-svn: 62412

llvm-svn: 62410

llvm-svn: 62406

llvm-svn: 62405

X86. This code:

void f() {
  uint32_t x;
  float y = (float)x;
}

used to be:

     movl     %eax, -8(%ebp)
     movl     [2^52 double], -4(%ebp)
     movsd    -8(%ebp), %xmm0
     subsd    [2^52 double], %xmm0
     cvtsd2ss %xmm0, %xmm0

Is now:

   movsd        [2^52 double], %xmm0
   movsd        %xmm0, %xmm1
   movd         %ecx, %xmm2
   orps         %xmm2, %xmm1
   subsd        %xmm0, %xmm1
   cvtsd2ss     %xmm1, %xmm0

This is faster on X86. Note that there's an extra load of %xmm0 into %xmm1. That
will be fixed in a later coalescer fix.

llvm-svn: 62404

llvm-svn: 62394

if this works out, I'll change the others next.

llvm-svn: 62385

llvm-svn: 62384

llvm-svn: 62383

llvm-svn: 62377

Fix PPC ISD::Declare isel and eliminate the need for PPCTargetLowering::LowerGlobalAddress to check if isVerifiedDebugInfoDesc() is true. Given the recent changes, it would falsely return true for a lot of GlobalAddressSDNode's.

llvm-svn: 62373

Makes possible to specify options that take multiple arguments (a-la
-sectalign on Darwin). See documentation for details.

llvm-svn: 62372

implement getSubtargetImpl.

llvm-svn: 62369

and every other instruction in their blocks to keep the terminator
instructions at the end, teach the post-RA scheduler how to operate
on ranges of instructions, and exclude terminators from the range
of instructions that get scheduled.

Also, exclude mid-block labels, such as EH_LABEL instructions, and
schedule code before them separately from code after them. This
fixes problems with the post-RA scheduler moving code past
EH_LABELs.

llvm-svn: 62366

to 0, to ensure that the subsequent code doesn't try to break the
dependence.

llvm-svn: 62365

member directly, which is private as of r55504.

llvm-svn: 62364

simple %prcontext which doesn't find what it's looking for
if the scheduler has rearranged the instructions.

llvm-svn: 62363

array instead, since this is what the scheduler actually cares about.
And remove a check that is unnecessary, since it can assume that
SUnits isn't empty.

llvm-svn: 62362

is a leaf node. Patch by Brandner!

llvm-svn: 62361

llvm-svn: 62359

llvm-svn: 62358

CreateVirtualRegisters does trivial copy coalescing. If a node def is used by a single CopyToReg, it reuses the virtual register assigned to the CopyToReg. This won't work for SDNode that is a clone or is itself cloned. Disable this optimization for those nodes or it can end up with non-SSA machine instructions.

llvm-svn: 62356

llvm-svn: 62354

PR3334.

llvm-svn: 62352

llvm-svn: 62351