Patch by Jakub Staszak.

llvm-svn: 78388

llvm-svn: 78363

llvm-svn: 78333

Privatize the StructType table, which unfortunately involves routing contexts through a number of APIs.

llvm-svn: 78258

matches what the comment says, and it avoids spurious BitCast
instructions for Argument values.

llvm-svn: 78121

few places in InstCombine to use it, to fix problems handling pointer
types. This fixes the recent llvm-gcc bootstrap error.

llvm-svn: 78005

appropriate.  Patch per report on llvmdev.  No testcase because the 
original report didn't come with a testcase, and I can't come up with a case
that actually fails.

llvm-svn: 77986

metadata related, which I'm waiting on to avoid conflicting with Devang.

llvm-svn: 77721

a trailing newline.

llvm-svn: 77719

- One formatting change.

No intended functionality change.

llvm-svn: 77717

llvm-svn: 77716

llvm-svn: 77685

llvm-svn: 77635

llvm-svn: 77605

a Twine, e.g., for names).
 - I am a little ambivalent about this; we don't want the string conversion of
   utostr, but using overload '+' mixed with string and integer arguments is
   sketchy. On the other hand, this particular usage is something of an idiom.

llvm-svn: 77579

llvm-svn: 77519

llvm-svn: 77516

 - Call RAUW to delete all instructions (this is a patch from Nick Lewycky).

llvm-svn: 77512

llvm-svn: 77495

llvm-svn: 77494

into a new BB that has no predecessors.

llvm-svn: 77433

New name is Metadata.h.

llvm-svn: 77370

llvm-svn: 77366

llvm-svn: 77347

to a few tests where it is required for the expected transformation.

llvm-svn: 77290

llvm-svn: 77289

llvm-svn: 77286

point where SI can get deleted. This fixes a use of free'd memory.
This fixes Externals/Povray.

llvm-svn: 77285

if there are no other uses.  If people don't need this routine
anymore, if should be deleted.

llvm-svn: 77274

llvm-svn: 77271

llvm-svn: 77266

llvm-svn: 77247

llvm-svn: 77208

llvm-svn: 77152

llvm-svn: 77148

llvm-svn: 77145

Also, change MDString to use a StringRef.

llvm-svn: 77098

 - The only meat here is in Value.{h,cpp} the rest is essential 'const
   std::string &' -> 'const Twine &'.

llvm-svn: 77048

llvm-svn: 77045

llvm-svn: 77044