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177 Commits

Author SHA1 Message Date
Chris Lattner 8d06c43f01 Remove some (LARGE) abandoned code for the release. If this is ever needed 
again in the future, it can be resurrected out of CVS

llvm-svn: 15112
 2004-07-22 21:30:35 +00:00
Jakub Staszak de647007d3 Tablgen files for really simple instruction selector 
llvm-svn: 12714
 2004-04-06 19:34:00 +00:00
Chris Lattner 5d236005b0 Clean up a lot of the code I added yesterday by exposing the IntrinsicLowering 
implementation from the TargetMachine directly.

llvm-svn: 10636
 2003-12-28 21:23:38 +00:00
Chris Lattner c45a033b42 implement support for the intrinsic lowering functionality 
llvm-svn: 10629
 2003-12-28 09:47:19 +00:00
Alkis Evlogimenos 904cd6d48c Add a floating point killer pass. This pass runs before register 
allocaton on the X86 to add information to the machine code denoting
that our floating point stackifier cannot handle virtual point
register that are alive across basic blocks. This pass adds an
implicit def of all virtual floating point register at the end of each
basic block.

llvm-svn: 10446
 2003-12-13 05:36:22 +00:00
Chris Lattner 6d760d7cb3 Add an option to enable the SSA based peephole optimizer. 
Eventually this pass will provide substantially better code in the interim between when we
have a crappy isel and nice isel.  Unfortunately doing so requires fixing the backend to
actually SUPPORT all of the fancy addressing modes that we now generate, and writing a DCE
pass for machine code.  Each of these is a fairly substantial job, so this will remain disabled
for the immediate future.  :(

llvm-svn: 10276
 2003-12-01 05:18:30 +00:00
Brian Gaeke 960707c335 Put all LLVM code into the llvm namespace, as per bug 109. 
llvm-svn: 9903
 2003-11-11 22:41:34 +00:00
John Criswell 29265fe981 Added LLVM copyright header. 
llvm-svn: 9321
 2003-10-21 15:17:13 +00:00
Brian Gaeke 1a6f2b83ab Factory methods for FunctionPasses now return type FunctionPass *. 
Correct one of the functions' comments.

llvm-svn: 7816
 2003-08-13 18:15:29 +00:00
Chris Lattner e61db425e8 Add support for a pattern matching instruction selector. This is still in 
the early implementation phases, so it is disabled by default

llvm-svn: 7719
 2003-08-11 14:59:22 +00:00
Chris Lattner bb8bdc04a7 Start using tablegen'd instruction enum list 
llvm-svn: 7542
 2003-08-03 21:57:05 +00:00
Chris Lattner 8b31688bb1 Switch over to tablegen generated header files 
llvm-svn: 7512
 2003-08-03 15:48:55 +00:00
Chris Lattner a2e2f5cc45 Rename function to be more consistent with filename 
llvm-svn: 7352
 2003-07-26 23:49:58 +00:00
Brian Gaeke a92dce471b Printer.cpp: Ditch addRequired/getAnalysis, because they leave 
Printer::doFinalization() out in the cold.  Now we pass in a TargetMachine
  to Printer's constructor and get the TargetData from the TargetMachine.
 Don't pass TargetMachine or MRegisterInfo objects around in the Printer.
 Constify TargetData references.
X86.h: Update comment and prototype of createX86CodePrinterPass().
X86TargetMachine.cpp: Update callers of createX86CodePrinterPass().

llvm-svn: 7275
 2003-07-23 20:25:08 +00:00
Chris Lattner 0addbab5e2 Add namespace comments for doxygen 
llvm-svn: 6581
 2003-06-03 15:31:23 +00:00
Chris Lattner 61e1195e89 Move passes out to Passes.h 
llvm-svn: 5227
 2003-01-13 00:45:29 +00:00
Chris Lattner 4937643df9 * Most pass ctor functions don't take TM arguments anymore 
* New createPrologEpilogCodeInserter() function

llvm-svn: 5181
 2002-12-28 20:26:16 +00:00
Chris Lattner d44d25323d Try #2 to get alias set stuff to work 
llvm-svn: 5077
 2002-12-16 16:14:51 +00:00
Chris Lattner 36d6f4a303 Add info about register aliases, add prototype for createLocalRegisterAllocator 
llvm-svn: 5075
 2002-12-16 15:55:51 +00:00
Chris Lattner 0b9f0b5faf Rename createSimpleX86RegisterAllocator to createSimpleRegisterAllocator 
llvm-svn: 5071
 2002-12-16 14:38:13 +00:00
Chris Lattner 0d80874f6c * Move information about Implicit Defs/Uses into X86InstrInfo.def. 
* Expose information about implicit defs/uses of register through the
  MachineInstrInfo.h file.

llvm-svn: 4877
 2002-12-03 05:42:53 +00:00
Chris Lattner 0018e8d5fc Start to add more information to instr.def 
llvm-svn: 4741
 2002-11-18 05:37:11 +00:00
Chris Lattner 02a3d837c2 Convert backend to use passes, implement X86TargetMachine 
llvm-svn: 4421
 2002-10-29 22:37:54 +00:00
Chris Lattner 27d247978b Rename X86InstructionInfo to X86InstrInfo 
llvm-svn: 4413
 2002-10-29 21:05:24 +00:00
Chris Lattner 6c3f9c1b8f Be compatible with sparc backend 
llvm-svn: 4395
 2002-10-29 17:43:38 +00:00
Chris Lattner 1303f2f057 Initial stab at MachineInstr'ication 
llvm-svn: 4367
 2002-10-28 23:55:19 +00:00
Chris Lattner d92fb0058b Initial checkin of X86 backend. 
We can instruction select exactly one instruction 'ret void'.  Wow.

llvm-svn: 4284
 2002-10-25 22:55:53 +00:00