The CodeEmitterGenerator used to consider ANY uninitialized field as being an
operand (unless it's annul or predict).  Now we only consider fields to be
operands if they are uninitialized AND used in the "Inst" field.

git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@7589 91177308-0d34-0410-b5e6-96231b3b80d8

Revert previous change, and be really anal about what physical registers can do.

git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@7588 91177308-0d34-0410-b5e6-96231b3b80d8

This is the real fix for the previous register allocator problem.
Physical registers should not float around.

git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@7587 91177308-0d34-0410-b5e6-96231b3b80d8

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