llvm-svn: 30450

llvm-svn: 30449

Use isLogicalShift/isArithmeticShift to simplify code.

llvm-svn: 30448

its own page on the LLVM web site.

llvm-svn: 30447

Added X86 StdCall & FastCall calling conventions. Codegen will follow.

llvm-svn: 30446

llvm-svn: 30445

Instruction::isRelational to Instruction::isComparison.

llvm-svn: 30444

llvm-svn: 30443

being erased.

llvm-svn: 30442

llvm-svn: 30441

llvm-svn: 30418

llvm-svn: 30407

llvm-svn: 30406

llvm-svn: 30405

llvm-svn: 30404

llvm-svn: 30403

llvm-svn: 30402

llvm-svn: 30401

LLC as the reference compiler to reduce testcases for bugs in GCC.

llvm-svn: 30400

llvm-svn: 30399

llvm-svn: 30398

llvm-svn: 30397

llvm-svn: 30394

test the right thing.

llvm-svn: 30393

changes to be incorrect.  They just weren't showing up in any of our current testcases.

llvm-svn: 30385

llvm-svn: 30384

is faster and is needed for future improvements.

llvm-svn: 30383

llvm-svn: 30382

llvm-svn: 30381

Reintroduce recursive assignDFSNumber().

llvm-svn: 30380

This implements CodeGen/X86/and-or-fold.ll

llvm-svn: 30379

llvm-svn: 30378

llvm-svn: 30377

matching things like ((x >> c1) & c2) | ((x << c3) & c4) to (rot x, c5) & c6

llvm-svn: 30376

llvm-svn: 30375

DLL* linkages got full (I hope) codegeneration support in C & both x86
assembler backends.
External weak linkage added for future use, we don't provide any
codegeneration, etc. support for it.

llvm-svn: 30374

llvm-svn: 30327

llvm-svn: 30326

llvm-svn: 30325

llvm-svn: 30324