the module.  This change converts it from being a basic block pass to being
a simple pass.  This allows elimination of the annotation and simplification
of the logic for moving constants into global variables.

llvm-svn: 9320

this code wasn't fixed correctly so it missed copy operations that used ADDi.

llvm-svn: 9318

llvm-svn: 9317

llvm-svn: 9316

llvm-svn: 9312

llvm-svn: 9310

llvm-svn: 9309

llvm-svn: 9307

Header files will be on the way.

llvm-svn: 9298

llvm-svn: 9297

llvm-svn: 9295

llvm-svn: 9289

llvm-svn: 9288

when changing Instruction.def.  :(

llvm-svn: 9286

llvm-svn: 9285

C is a constant which can be sign-extended from 8 bits without value loss,
and op is one of: add, sub, imul, and, or, xor.

This allows the JIT to emit the one byte version of the constant instead of
the two or 4 byte version.  Because these instructions are very common, this
can save a LOT of code space.  For example, I sampled two benchmarks, 176.gcc
and 254.gap.

BM        Old     New    Reduction
176.gcc 2673621 2548962  4.89%
254.gap  498261  475104  4.87%

Note that while the percentage is not spectacular, this did eliminate
124.6 _KILOBYTES_ of codespace from gcc.  Not bad.

Note that this doesn't effect the llc version at all, because the assembler
already does this optimization.

llvm-svn: 9284

llvm-svn: 9283

llvm-svn: 9282

llvm-svn: 9281

llvm-svn: 9280

* Implement R1 = R2 * C where R1 and R2 are 32 or 16 bits. This avoids an
  extra copy into a register, reducing register pressure.

llvm-svn: 9278

llvm-svn: 9270

Change the Opcode enum for PHI nodes from "Instruction::PHINode" to "Instruction::PHI" to be more consistent with the other instructions.

llvm-svn: 9269

  getelementptr code path for use by other code paths (like malloc and alloca).
* Optimize comparisons with zero
* Generate neg, not, inc, and dec instructions, when possible.

This gives some code size wins, which might translate into performance.  We'll
see tommorow in the nightly tester.

llvm-svn: 9267

llvm-svn: 9266

This fixes PR#44.

llvm-svn: 9252

llvm-svn: 9251

llvm-svn: 9250

This also fixes miscompilation of 176.gcc.

llvm-svn: 9249

all, making it pointless for use with the code generator debugger.  With it,
it works like a charm.

llvm-svn: 9245

llvm-svn: 9236

llvm-svn: 9228

llvm-svn: 9227

llvm-svn: 9226

llvm-svn: 9225

llvm-svn: 9224

Update the sparc backend to at least compile correctly with the new varargs stuff even if it's not all implemented yet.

llvm-svn: 9223

llvm-svn: 9222

more efficient encoding of varargs calls, and the new varargs intrinsics.

llvm-svn: 9221

* More dense bytecode encoding for varargs calls (like printf)
* Eliminated the extremely old bytecode format.  rev #0 is now 1.0

llvm-svn: 9220