Fix InstCombine/2004-03-13-InstCombineInfLoop.ll which caused an infinite
loop compiling (I think) povray.

llvm-svn: 12365

llvm-svn: 12364

 * Be a lot more accurate about what the effects will be when inlining a call
   to a function when an argument is an alloca.
 * Dramatically reduce the penalty for inlining a call in a large function.
   This heuristic made it almost impossible to inline a function into a large
   function, no matter how small the callee is.

llvm-svn: 12363

On the testcase from GCC PR12440, which has a LOT of loops (1392 of which require
preheaders to be inserted), this speeds up the loopsimplify pass from 1.931s to
0.1875s.  The loop in question goes from 1.65s -> 0.0097s, which isn't bad. All of
these times are a debug build.

This adds a dependency on DominatorTree analysis that was not there before, but
we always had dominatortree available anyway, because LICM requires both loop
simplify and DT, so this doesn't add any extra analysis in practice.

llvm-svn: 12362

code in cases where the file has lots of static functions or anon namespaces.

llvm-svn: 12361

llvm-svn: 12360

Also remove an option to disable adce :)

llvm-svn: 12359

boxed-sim.

llvm-svn: 12358

llvm-svn: 12357

Intrinsic::va*.  This avoid conflicting with macros in the stdlib.h file.

llvm-svn: 12356

llvm-svn: 12355

llvm-svn: 12354

llvm-svn: 12353

llvm-svn: 12352

could cause infinite loops.  Also, getUnderlyingObject can return null

llvm-svn: 12351

llvm-svn: 12350

This comes up when you have a local array on the stack and you never pass
the address of elements around.

llvm-svn: 12349

llvm-svn: 12348

print out the name of the function being used.

llvm-svn: 12347

llvm-svn: 12345

llvm-svn: 12344

llvm-svn: 12343

llvm-svn: 12341

Added information on getting the LLVM GCC front end from CVS.
Added new configure script options.
Made other minor corrections and modifications.

llvm-svn: 12340

llvm-svn: 12339

Changed crtend.o to libcrtend.a.

llvm-svn: 12338

the same.

Added LLVM copyright and warranty disclaimer information.

llvm-svn: 12337

llvm-svn: 12336

llvm-svn: 12335

llvm-svn: 12334

llvm-svn: 12333

user pass is destroyed.

llvm-svn: 12332

llvm-svn: 12331

references a pointer.

llvm-svn: 12330

future queries by clients.

llvm-svn: 12329

llvm-svn: 12328

not instruction.

llvm-svn: 12327

llvm-svn: 12326

llvm-svn: 12325

llvm-svn: 12324