zero arg vararg functions, pass undef instead of 'int 0', which is cheaper.

llvm-svn: 32634

by producing target constants instead of constants.  Constants can get
selected to li/movri instructions, which causes the scheduler to explode.

llvm-svn: 32633

llvm-svn: 32630

llvm-svn: 32629

llvm-svn: 32624

llvm-svn: 32623

llvm-svn: 32622

llvm-svn: 32621

it instead of passVectorBegin/End().

llvm-svn: 32620

llvm-svn: 32619

llvm-svn: 32618

llvm-svn: 32617

llvm-svn: 32616

llvm-svn: 32614

llvm-svn: 32613

llvm-svn: 32612

sure the right conditions are checked.

llvm-svn: 32611

llvm-svn: 32610

llvm-svn: 32609

has been a problem since exceptions were removed from the BytecodeReader.
Error messages are now captured from ModuleProvider::releaseModule as well
as after a longjmp.

llvm-svn: 32608

Convert asserts into error messages.

llvm-svn: 32607

llvm-svn: 32606

llvm-svn: 32605

relocations.)

llvm-svn: 32604

llvm-svn: 32603

llvm-svn: 32601

llvm-svn: 32600

llvm-svn: 32599

llvm-svn: 32597

llvm-svn: 32595

llvm-svn: 32593

llvm-svn: 32591

llvm-svn: 32590

Register pass has the its last user, otherwise sometimes no one will claim
LastUse.

Handle transferred last uses from child pass manager.

llvm-svn: 32589

llvm-svn: 32588

llvm-svn: 32587

llvm-svn: 32585

llvm-svn: 32584

llvm-svn: 32583

- Add MOVDI2SSrm and MOVSS2DImr to fold load / store for i32 <-> f32 bit_convert
  patterns.

llvm-svn: 32582