Reformatted code to match the prevalent LLVM style; fit code into 80 columns.

git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@7586 91177308-0d34-0410-b5e6-96231b3b80d8

ElectricFence found this bug where we were reading past the vector boundary.

git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@7585 91177308-0d34-0410-b5e6-96231b3b80d8

Don't bother calculating info unless its needed.  May reduce number of stack slots created.

git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@7584 91177308-0d34-0410-b5e6-96231b3b80d8

* Fix spelling of 'necessary'
* Add a lot more DEBUG output, which is better structured than before
* Fix bug: Jello/2003-08-04-PhysRegLiveFailure.llx

git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@7583 91177308-0d34-0410-b5e6-96231b3b80d8

New testcase, identified by Vikram, reduced by Brian

git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@7582 91177308-0d34-0410-b5e6-96231b3b80d8

Add patterns for (mov R, R) (mov R, I) and subtracts.  The moves are to enable
testing, the subtracts are because I was in the neighborhood.

git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@7581 91177308-0d34-0410-b5e6-96231b3b80d8

Change comments into something that TableGen can read!

git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@7580 91177308-0d34-0410-b5e6-96231b3b80d8

Allow instructions to have a DAG pattern associated with them.
Define a few preliminary node types.

git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@7579 91177308-0d34-0410-b5e6-96231b3b80d8

Rename register classes to be upper case to make it obvious that they are X86
specific in the tree patterns

git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@7578 91177308-0d34-0410-b5e6-96231b3b80d8

Parse DAG patterns

git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@7577 91177308-0d34-0410-b5e6-96231b3b80d8

add support for DagInit initializers, which represent DAG patterns

git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@7576 91177308-0d34-0410-b5e6-96231b3b80d8

New testcase

git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@7575 91177308-0d34-0410-b5e6-96231b3b80d8

Update file header comment

git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@7574 91177308-0d34-0410-b5e6-96231b3b80d8

Urg, do not print "foo has changed" messages

git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@7573 91177308-0d34-0410-b5e6-96231b3b80d8

While I'm looking at it, line up the SED lines

git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@7572 91177308-0d34-0410-b5e6-96231b3b80d8

* Don't print out HOW we are running Flex unless in verbose mode.  We already
  hide the bison command line.
* If running flex or bison gives us the files we already have, don't overwrite
  the ones we have, which cause unnecessary compilation.  I demand the ability
  to make meaningless changes without penalty!

git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@7571 91177308-0d34-0410-b5e6-96231b3b80d8

Do not attempt to reduce a test case if it is an empty set.

git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@7570 91177308-0d34-0410-b5e6-96231b3b80d8

Added code that ensures that we don't try to reduce an empty vector of basic
blocks.
This fixes the bugpoint regressions.

git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@7569 91177308-0d34-0410-b5e6-96231b3b80d8

There is nothing special about noops anymore

git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@7568 91177308-0d34-0410-b5e6-96231b3b80d8

There is nothing special about noops now

git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@7567 91177308-0d34-0410-b5e6-96231b3b80d8

Transition complete, remove the obsolete 'set' keyword

git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@7566 91177308-0d34-0410-b5e6-96231b3b80d8

Transition to using 'let X = y' instead of 'set X = y'.

git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@7565 91177308-0d34-0410-b5e6-96231b3b80d8

transition to using let instead of set

git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@7564 91177308-0d34-0410-b5e6-96231b3b80d8

Transition to using let instead of set

git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@7563 91177308-0d34-0410-b5e6-96231b3b80d8

Start transitioning towards using 'let X = y in' statements, instead of 'set X = y in'.

git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@7562 91177308-0d34-0410-b5e6-96231b3b80d8

It appears that somehow we forgot to add support for code variables.
Fix bug: TableGen/2003-08-03-PassCode.td

git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@7561 91177308-0d34-0410-b5e6-96231b3b80d8

New testcase

git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@7560 91177308-0d34-0410-b5e6-96231b3b80d8

Add initial support for a new 'dag' type

git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@7559 91177308-0d34-0410-b5e6-96231b3b80d8

Fix Bug: test/Regression/Jello/2003-08-03-CallArgLiveRanges.llx

git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@7558 91177308-0d34-0410-b5e6-96231b3b80d8

New testcase

git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@7557 91177308-0d34-0410-b5e6-96231b3b80d8

Simplify some constant expressions

git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@7556 91177308-0d34-0410-b5e6-96231b3b80d8

Make sure to flush the output stream so that we get incremental updates

git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@7555 91177308-0d34-0410-b5e6-96231b3b80d8

Print accurate run instructions for when testing LLC

git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@7554 91177308-0d34-0410-b5e6-96231b3b80d8

Remove illegal, unsupported escapes.  This fixes program: Ptrdist-bc

git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@7552 91177308-0d34-0410-b5e6-96231b3b80d8

* Sort #includes, remove dupliates
* Use .zero to emit padding between struct elements
* Emit .comm symbols when we can, this dramatically reduces the amount of gunk we have to print
* Print global variable identifiers next to initializer more nicely.

git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@7551 91177308-0d34-0410-b5e6-96231b3b80d8

Fix problem I introduced in bugpoint with the cleanup functions

git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@7549 91177308-0d34-0410-b5e6-96231b3b80d8

Allow registers to specify a custom name

git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@7548 91177308-0d34-0410-b5e6-96231b3b80d8

Specify custom name for registers to get the ()'s in the name.

git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@7547 91177308-0d34-0410-b5e6-96231b3b80d8

Allow specifying custom names for registers

git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@7546 91177308-0d34-0410-b5e6-96231b3b80d8

add new --gen-instr-desc option

git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@7545 91177308-0d34-0410-b5e6-96231b3b80d8

Add new Record::getValueAsBit method

git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@7544 91177308-0d34-0410-b5e6-96231b3b80d8

Finish the instruction info emitter

git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@7543 91177308-0d34-0410-b5e6-96231b3b80d8

Start using tablegen'd instruction enum list

git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@7542 91177308-0d34-0410-b5e6-96231b3b80d8

Resort tables

git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@7541 91177308-0d34-0410-b5e6-96231b3b80d8

Lump the base opcode in with the X86 TargetSpecific flags

git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@7540 91177308-0d34-0410-b5e6-96231b3b80d8

* Start using tablegen'd instruction descriptions
* Fix bug in the createNOP method, which was not marking the operands of the
  generated XCHG as useanddef.  I don't think this method is actually used,
  so it wasn't breaking anything, but it should be fixed anyway...

git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@7539 91177308-0d34-0410-b5e6-96231b3b80d8

Start using tablegenerated instruction descriptions

git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@7538 91177308-0d34-0410-b5e6-96231b3b80d8

Add new TableGen instruction definitions

git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@7537 91177308-0d34-0410-b5e6-96231b3b80d8

Remove the old .def file, it is now obsolete

git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@7536 91177308-0d34-0410-b5e6-96231b3b80d8

Rearrange fields yet again: Don't instantiate these lists ONCE PER INSTRUCTION.

git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@7535 91177308-0d34-0410-b5e6-96231b3b80d8

Simplify code, eliminating the need for the X86 isVoid target instr flag

git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@7534 91177308-0d34-0410-b5e6-96231b3b80d8

Set debug types

git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@7533 91177308-0d34-0410-b5e6-96231b3b80d8

Set debug types

git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@7532 91177308-0d34-0410-b5e6-96231b3b80d8

Remove using decl

git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@7531 91177308-0d34-0410-b5e6-96231b3b80d8

The NOOP instruction is no longer needed.  Instead, use the
TargetInstrInfo::isNOPinstr method

git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@7530 91177308-0d34-0410-b5e6-96231b3b80d8

Ok, try #2, this time I'll not be stupid

git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@7529 91177308-0d34-0410-b5e6-96231b3b80d8

We know we have a mklib file, ignore it please CVS!

git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@7528 91177308-0d34-0410-b5e6-96231b3b80d8

CVS, please don't tell us that we have a new config.h file, everyone knows that.

git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@7527 91177308-0d34-0410-b5e6-96231b3b80d8

Fix bug: TableGen/IntBitInit.td

git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@7526 91177308-0d34-0410-b5e6-96231b3b80d8

New testcase

git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@7525 91177308-0d34-0410-b5e6-96231b3b80d8

Fix bug: TableGen/BitsInitOverflow.td

git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@7524 91177308-0d34-0410-b5e6-96231b3b80d8

Add Target class for X86 target

git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@7523 91177308-0d34-0410-b5e6-96231b3b80d8

The RegisterInfo class is obsolete

git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@7522 91177308-0d34-0410-b5e6-96231b3b80d8

Remove the RegisterInfo class in favor of a general Target class.  Add instrinfo stuff

git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@7521 91177308-0d34-0410-b5e6-96231b3b80d8

* Changes to allow lists of any type
* Reorganize Target class a bit
* Fix string out of range access bug

git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@7520 91177308-0d34-0410-b5e6-96231b3b80d8

Changes to allow lists of any type

git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@7519 91177308-0d34-0410-b5e6-96231b3b80d8

expand contraction

git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@7518 91177308-0d34-0410-b5e6-96231b3b80d8

New testcase

git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@7517 91177308-0d34-0410-b5e6-96231b3b80d8

Add support for instruction enum emission

git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@7516 91177308-0d34-0410-b5e6-96231b3b80d8

Initial checkin of Instruction emitter, which just produces enum values so far

git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@7515 91177308-0d34-0410-b5e6-96231b3b80d8

Remove dead private:

git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@7514 91177308-0d34-0410-b5e6-96231b3b80d8

Tell CVS to ignore all .inc files

git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@7513 91177308-0d34-0410-b5e6-96231b3b80d8

Switch over to tablegen generated header files

git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@7512 91177308-0d34-0410-b5e6-96231b3b80d8

Switch over to TableGen generated register file description

git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@7511 91177308-0d34-0410-b5e6-96231b3b80d8

Initial checkin of X86.td file

git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@7510 91177308-0d34-0410-b5e6-96231b3b80d8

Initial checkin of X86 Register File description

git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@7509 91177308-0d34-0410-b5e6-96231b3b80d8

Make the register numbers line up more frequently

git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@7508 91177308-0d34-0410-b5e6-96231b3b80d8

Allow an external 'set' command to set multiple values in the same command.
Allow redefinitions of variables as long as they are of the same type.

git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@7507 91177308-0d34-0410-b5e6-96231b3b80d8

Finish the register info emitter

git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@7506 91177308-0d34-0410-b5e6-96231b3b80d8

Fix typeos in comments

git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@7505 91177308-0d34-0410-b5e6-96231b3b80d8

Make it easier to debug by exposing a temporary

git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@7504 91177308-0d34-0410-b5e6-96231b3b80d8

Wrap at 80 columns

git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@7503 91177308-0d34-0410-b5e6-96231b3b80d8

Add new method

git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@7502 91177308-0d34-0410-b5e6-96231b3b80d8

Fix problem executing the CBE

git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@7500 91177308-0d34-0410-b5e6-96231b3b80d8

Fix a bug

git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@7499 91177308-0d34-0410-b5e6-96231b3b80d8

Rename fields

git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@7498 91177308-0d34-0410-b5e6-96231b3b80d8

Move DEBUG to Debug.h

git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@7497 91177308-0d34-0410-b5e6-96231b3b80d8

Update information about the new DEBUG_TYPE macro

git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@7496 91177308-0d34-0410-b5e6-96231b3b80d8

DEBUG got moved to Debug.h

git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@7495 91177308-0d34-0410-b5e6-96231b3b80d8

Move debug functionality to Debug.cpp/Debug.h

git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@7494 91177308-0d34-0410-b5e6-96231b3b80d8

Describe the value name

git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@7493 91177308-0d34-0410-b5e6-96231b3b80d8

DEBUG got moved to Support/Debug.h

git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@7492 91177308-0d34-0410-b5e6-96231b3b80d8

DEBUG got moved to Debug.h

git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@7491 91177308-0d34-0410-b5e6-96231b3b80d8

Move debugging support out of Statistic.h into Debug.h, implement the new DEBUG_TYPE facilities

git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@7490 91177308-0d34-0410-b5e6-96231b3b80d8

Including statistics into an anonymous namespace that gets #included into
every file is a bad idea.

git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@7489 91177308-0d34-0410-b5e6-96231b3b80d8

Fix <>'s in HTML

git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@7488 91177308-0d34-0410-b5e6-96231b3b80d8

Check in the implementation of the FileUtilities!

git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@7487 91177308-0d34-0410-b5e6-96231b3b80d8

Tablegen should only replace the output if it changes

git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@7486 91177308-0d34-0410-b5e6-96231b3b80d8

Remove makefile complexity by always running tablegen with its final output
directory.

git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@7485 91177308-0d34-0410-b5e6-96231b3b80d8

Use the new FileUtilities library to do diff'ing of files

git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@7484 91177308-0d34-0410-b5e6-96231b3b80d8