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534bcfb270
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4440 Commits

Author SHA1 Message Date
Chris Lattner
534bcfb270 update a couple of references to SSARegMap. 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@45468 91177308-0d34-0410-b5e6-96231b3b80d8
 2007-12-31 04:16:08 +00:00
Chris Lattner
84bc5427d6 Rename SSARegMap -> MachineRegisterInfo in keeping with the idea 
that "machine" classes are used to represent the current state of
the code being compiled.  Given this expanded name, we can start 
moving other stuff into it.  For now, move the UsedPhysRegs and
LiveIn/LoveOuts vectors from MachineFunction into it.

Update all the clients to match.

This also reduces some needless #includes, such as MachineModuleInfo
from MachineFunction.



git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@45467 91177308-0d34-0410-b5e6-96231b3b80d8
 2007-12-31 04:13:23 +00:00
Chris Lattner
8aa797aa51 Add new shorter predicates for testing machine operands for various types: 
e.g. MO.isMBB() instead of MO.isMachineBasicBlock().  I don't plan on 
switching everything over, so new clients should just start using the 
shorter names.

Remove old long accessors, switching everything over to use the short
accessor: getMachineBasicBlock() -> getMBB(), 
getConstantPoolIndex() -> getIndex(), setMachineBasicBlock -> setMBB(), etc.



git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@45464 91177308-0d34-0410-b5e6-96231b3b80d8
 2007-12-30 23:10:15 +00:00
Chris Lattner
f73823000e More cleanups for MachineOperand: 
- Eliminate the static "print" method for operands, moving it
    into MachineOperand::print.
  - Change various set* methods for register flags to take a bool
    for the value to set it to.  Remove unset* methods.
  - Group methods more logically by operand flavor in MachineOperand.h


git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@45461 91177308-0d34-0410-b5e6-96231b3b80d8
 2007-12-30 21:56:09 +00:00
Chris Lattner
e3087890ac MachineOperand: 
- Add getParent() accessors.
  - Move SubReg out of the AuxInfo union, to make way for future changes.
  - Remove the getImmedValue/setImmedValue methods.
  - in some MachineOperand::Create* methods, stop initializing fields that are dead.

MachineInstr:
  - Delete one copy of the MachineInstr printing code, now there is only one dump
    format and one copy of the code.
  - Make MachineOperand use the parent field to get info about preg register names if
    no target info is otherwise available.
  - Move def/use/kill/dead flag printing to the machineoperand printer, so they are
    always printed for an operand.



git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@45460 91177308-0d34-0410-b5e6-96231b3b80d8
 2007-12-30 21:31:53 +00:00
Chris Lattner
1c3e1e2ed0 fix typo duncan noticed! 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@45459 91177308-0d34-0410-b5e6-96231b3b80d8
 2007-12-30 21:21:10 +00:00
Chris Lattner
e26dcfe6af simpilfy some register printing code. 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@45458 91177308-0d34-0410-b5e6-96231b3b80d8
 2007-12-30 21:08:36 +00:00
Chris Lattner
7da5313d3f eliminate a copy of the machineoperand printing stuff. Keep the copy that 
knows how to print offsets.


git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@45457 91177308-0d34-0410-b5e6-96231b3b80d8
 2007-12-30 21:03:30 +00:00
Chris Lattner
fde5f801be Simplify and clean up some machine operand/instr printing/dumping stuff. 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@45456 91177308-0d34-0410-b5e6-96231b3b80d8
 2007-12-30 21:01:27 +00:00
Chris Lattner
0974d9a524 two register machineoperands are not identical unless their subregs match. 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@45455 91177308-0d34-0410-b5e6-96231b3b80d8
 2007-12-30 20:55:08 +00:00
Chris Lattner
9e3304900f MachineOperand::getImmedValue -> MachineOperand::getImm 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@45454 91177308-0d34-0410-b5e6-96231b3b80d8
 2007-12-30 20:50:28 +00:00
Chris Lattner
e12d6abfdf make machine operands fatter: give each one an up-pointer to the 
machineinstr that owns it.


git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@45449 91177308-0d34-0410-b5e6-96231b3b80d8
 2007-12-30 06:11:04 +00:00
Chris Lattner
9ce2e9d5a0 use simplified operand addition methods. 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@45436 91177308-0d34-0410-b5e6-96231b3b80d8
 2007-12-30 00:57:42 +00:00
Chris Lattner
fec65d5562 use simplified operand addition methods. 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@45435 91177308-0d34-0410-b5e6-96231b3b80d8
 2007-12-30 00:51:11 +00:00
Chris Lattner
8019f41c0b Start using the simplified methods for adding operands. 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@45432 91177308-0d34-0410-b5e6-96231b3b80d8
 2007-12-30 00:41:17 +00:00
Chris Lattner
a4161ee994 simplify some code by factoring operand construction better. 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@45428 91177308-0d34-0410-b5e6-96231b3b80d8
 2007-12-30 00:12:25 +00:00
Chris Lattner
4ee451de36 Remove attribution from file headers, per discussion on llvmdev. 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@45418 91177308-0d34-0410-b5e6-96231b3b80d8
 2007-12-29 20:36:04 +00:00
Chris Lattner
fc643c5e88 remove attribution from lib Makefiles. 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@45415 91177308-0d34-0410-b5e6-96231b3b80d8
 2007-12-29 20:09:26 +00:00
Chris Lattner
63079f0757 Fold comparisons against a constant nan, and optimize ORD/UNORD 
comparisons with a constant.  This allows us to compile isnan to:

_foo:
	fcmpu cr7, f1, f1
	mfcr r2
	rlwinm r3, r2, 0, 31, 31
	blr 

instead of:

LCPI1_0:					;  float
	.space	4
_foo:
	lis r2, ha16(LCPI1_0)
	lfs f0, lo16(LCPI1_0)(r2)
	fcmpu cr7, f1, f0
	mfcr r2
	rlwinm r3, r2, 0, 31, 31
	blr 



git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@45405 91177308-0d34-0410-b5e6-96231b3b80d8
 2007-12-29 08:37:08 +00:00
Chris Lattner
b253a8b382 make sure not to zap volatile stores, thanks a lot to Dale for noticing this! 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@45402 91177308-0d34-0410-b5e6-96231b3b80d8
 2007-12-29 07:15:45 +00:00
Chris Lattner
5938bef2d2 don't fold fp_round(fp_extend(load)) -> fp_round(extload) 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@45400 91177308-0d34-0410-b5e6-96231b3b80d8
 2007-12-29 06:55:23 +00:00
Chris Lattner
3c87285af6 Delete a store whose input is a load from the same pointer: 
x = load p
  store x -> p


git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@45398 91177308-0d34-0410-b5e6-96231b3b80d8
 2007-12-29 06:26:16 +00:00
Owen Anderson
f1519e8361 Flesh out the Briggs implementation a little bit more, fix a few FIXMEs. 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@45347 91177308-0d34-0410-b5e6-96231b3b80d8
 2007-12-24 22:12:23 +00:00
Owen Anderson
efbcebc95d Sketch out an implementation of Briggs' copy placement algorithm. 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@45334 91177308-0d34-0410-b5e6-96231b3b80d8
 2007-12-23 15:37:26 +00:00
Chris Lattner
2ceb2cfa8e initial code for forming an FGETSIGN node. This is disabled until 
legalizer support goes in.


git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@45323 91177308-0d34-0410-b5e6-96231b3b80d8
 2007-12-22 21:35:38 +00:00
Chris Lattner
d268a497f9 improve support for fgetsign 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@45322 91177308-0d34-0410-b5e6-96231b3b80d8
 2007-12-22 21:26:52 +00:00
Chris Lattner
b16f55f3c8 Tell TargetLoweringOpt whether it is running before 
or after legalize.


git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@45321 91177308-0d34-0410-b5e6-96231b3b80d8
 2007-12-22 20:56:36 +00:00
Chris Lattner
1a3048bb8e Add a new FGETSIGN operation, which defaults to expand on all 
targets.


git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@45320 91177308-0d34-0410-b5e6-96231b3b80d8
 2007-12-22 20:47:56 +00:00
Gordon Henriksen
a6c9925087 Use getIntrinsicID instead of looking up intrinsic prototypes. Also 
fixes a bug with indirect calls. (Test case will be included with
ocaml collector patch.)

git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@45316 91177308-0d34-0410-b5e6-96231b3b80d8
 2007-12-22 17:27:01 +00:00
Owen Anderson
cae8d8d4be Note what still needs doing. 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@45310 91177308-0d34-0410-b5e6-96231b3b80d8
 2007-12-22 04:59:10 +00:00
Owen Anderson
22c43b2988 Remove critical edge breaking. It won't be necessary as long as we are very careful when inserting copies. 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@45309 91177308-0d34-0410-b5e6-96231b3b80d8
 2007-12-22 04:50:11 +00:00
Evan Cheng
180c210a1d More accurate checks for two-address constraints. 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@45259 91177308-0d34-0410-b5e6-96231b3b80d8
 2007-12-20 09:25:31 +00:00
Evan Cheng
689494208b The physical register + virtual register joining requirement was much too strict. 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@45253 91177308-0d34-0410-b5e6-96231b3b80d8
 2007-12-20 02:23:25 +00:00
Evan Cheng
d6c0758944 Bring back a burr scheduling heuristic that's still needed. 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@45252 91177308-0d34-0410-b5e6-96231b3b80d8
 2007-12-20 02:22:36 +00:00
Bill Wendling
60ff1a3005 Updated comments to reflect what "side effects" means in this situation. 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@45245 91177308-0d34-0410-b5e6-96231b3b80d8
 2007-12-20 01:08:10 +00:00
Duncan Sands
6f74b48862 Simplify LowerCallTo by using a callsite. 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@45198 91177308-0d34-0410-b5e6-96231b3b80d8
 2007-12-19 09:48:52 +00:00
Duncan Sands
481dc721c3 The C++ exception handling personality function wants 
to know about calls that cannot throw ('nounwind'):
if such a call does throw for some reason then the
personality will terminate the program.  The distinction
between an ordinary call and a nounwind call is that
an ordinary call gets an entry in the exception table
but a nounwind call does not.  This patch sets up the
exception table appropriately.  One oddity is that
I've chosen to bracket nounwind calls with labels (like
invokes) - the other choice would have been to bracket
ordinary calls with labels.  While bracketing
ordinary calls is more natural (because bracketing
by labels would then correspond exactly to getting an
entry in the exception table), I didn't do it because
introducing labels impedes some optimizations and I'm
guessing that ordinary calls occur more often than
nounwind calls.  This fixes the gcc filter2 eh test,
at least at -O0 (the inliner needs some tweaking at
higher optimization levels).


git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@45197 91177308-0d34-0410-b5e6-96231b3b80d8
 2007-12-19 07:36:31 +00:00
Evan Cheng
02132d62c1 Don't leave newly created nodes around if it turns out they are not needed. 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@45186 91177308-0d34-0410-b5e6-96231b3b80d8
 2007-12-19 01:34:38 +00:00
Bill Wendling
280f4565eb Add debugging info. Use the newly created "hasUnmodelledSideEffects" method. 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@45178 91177308-0d34-0410-b5e6-96231b3b80d8
 2007-12-18 21:38:04 +00:00
Anton Korobeynikov
feb8893d17 Support more insane CEP's in AsmPrinter (Yes, PyPy folks do really use them). 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@45172 91177308-0d34-0410-b5e6-96231b3b80d8
 2007-12-18 20:53:41 +00:00
Evan Cheng
636e5a216c Fix PR1872: SrcValue and SrcValueOffset should not be used to compute load / store node id. 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@45167 91177308-0d34-0410-b5e6-96231b3b80d8
 2007-12-18 19:38:14 +00:00
Evan Cheng
8131013861 Also print alignment and volatileness. 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@45164 91177308-0d34-0410-b5e6-96231b3b80d8
 2007-12-18 19:06:30 +00:00
Evan Cheng
beec823d4b FIX for PR1799: When a load is unfolded from an instruction, check if it is a new node. If not, do not create a new SUnit. 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@45157 91177308-0d34-0410-b5e6-96231b3b80d8
 2007-12-18 08:42:10 +00:00
Evan Cheng
88ce93e0ef SelectionDAG::dump() should print SrcValue of LoadSDNode and StoreSDNode. 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@45151 91177308-0d34-0410-b5e6-96231b3b80d8
 2007-12-18 07:02:08 +00:00
Duncan Sands
fd7b326bea Make invokes of inline asm legal. Teach codegen 
how to lower them (with no attempt made to be
efficient, since they should only occur for
unoptimized code).


git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@45108 91177308-0d34-0410-b5e6-96231b3b80d8
 2007-12-17 18:08:19 +00:00
Christopher Lamb
43ad6b3e0d Change the PointerType api for creating pointer types. The old functionality of PointerType::get() has become PointerType::getUnqual(), which returns a pointer in the generic address space. The new prototype of PointerType::get() requires both a type and an address space. 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@45082 91177308-0d34-0410-b5e6-96231b3b80d8
 2007-12-17 01:12:55 +00:00
Owen Anderson
87a702be1a Break local interferences in StrongPHIElimination. One step closer... 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@45070 91177308-0d34-0410-b5e6-96231b3b80d8
 2007-12-16 05:44:27 +00:00
Owen Anderson
965b467767 A few more comments. 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@45069 91177308-0d34-0410-b5e6-96231b3b80d8
 2007-12-16 04:07:23 +00:00
Dan Gohman
ded2b0d0fb Add explicit keywords, and fix a minor typo that they uncovered. 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@45034 91177308-0d34-0410-b5e6-96231b3b80d8
 2007-12-14 15:41:34 +00:00
Evan Cheng
7c07aebd19 Bug fix. Must also match ResNo when matching an operand with a user. 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@45028 91177308-0d34-0410-b5e6-96231b3b80d8
 2007-12-14 08:25:15 +00:00