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26bfc08b80
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Author SHA1 Message Date
Alkis Evlogimenos
26bfc08b80 Add coalescing to register allocator. A hint is added to each interval 
which denotes the register we would like to be assigned to (virtual or
physical). In register allocation, if this hint exists and we can map
it to a physical register (it is either a physical register or it is a
virtual register that already got assigned to a physical one) we use
that register if it is available instead of a random one in the free
pool.


git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@10634 91177308-0d34-0410-b5e6-96231b3b80d8
 2003-12-28 17:58:18 +00:00
Alkis Evlogimenos
5e30002af7 Add TargetInstrInfo::isMoveInstr() to support coalescing in register 
allocation.


git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@10633 91177308-0d34-0410-b5e6-96231b3b80d8
 2003-12-28 17:35:08 +00:00
Chris Lattner
aed386e6b0 Whoops, don't try to lower non intrinsic calls 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@10632 91177308-0d34-0410-b5e6-96231b3b80d8
 2003-12-28 09:53:23 +00:00
Chris Lattner
6fb6ce3148 Pass extra arguments around n stuph 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@10631 91177308-0d34-0410-b5e6-96231b3b80d8
 2003-12-28 09:51:04 +00:00
Chris Lattner
cd824d7678 We may now pass IntrinsicLowering implementations into these methods 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@10630 91177308-0d34-0410-b5e6-96231b3b80d8
 2003-12-28 09:48:17 +00:00
Chris Lattner
4482715f3d implement support for the intrinsic lowering functionality 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@10629 91177308-0d34-0410-b5e6-96231b3b80d8
 2003-12-28 09:47:19 +00:00
Chris Lattner
37b1826aab Eliminate some code that is not needed now that we have the intrinsic lowering pass 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@10628 91177308-0d34-0410-b5e6-96231b3b80d8
 2003-12-28 09:46:33 +00:00
Chris Lattner
7301178aac Pass around IntrinsicLowering instances as appropriate. 
Reimplement the Interpreters implementation of va_* to be more direct.


git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@10627 91177308-0d34-0410-b5e6-96231b3b80d8
 2003-12-28 09:44:37 +00:00
Chris Lattner
f8742b3e03 Use the intrinsic lowering functionality 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@10626 91177308-0d34-0410-b5e6-96231b3b80d8
 2003-12-28 09:43:35 +00:00
Chris Lattner
09c692bcef add argument 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@10625 91177308-0d34-0410-b5e6-96231b3b80d8
 2003-12-28 09:42:49 +00:00
Chris Lattner
624affb56f ABC's must have virtual dtors! Shame on me! 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@10624 91177308-0d34-0410-b5e6-96231b3b80d8
 2003-12-28 08:55:50 +00:00
Chris Lattner
42450d8a5f Move into the VMCore library 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@10623 91177308-0d34-0410-b5e6-96231b3b80d8
 2003-12-28 08:30:20 +00:00
Chris Lattner
8a1931a942 Move header into top-level llvm dir 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@10622 91177308-0d34-0410-b5e6-96231b3b80d8
 2003-12-28 08:30:07 +00:00
Chris Lattner
3b66ecb05f Implement the default implementation of the intrinsic lowering class 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@10621 91177308-0d34-0410-b5e6-96231b3b80d8
 2003-12-28 08:19:41 +00:00
Chris Lattner
3f52c1561d Add new interface that allows removal of some code from the code generators, 
provides for future extensibility, might help the LLVA project avoid having to
hack their own LLI, and provides support required for the experimental Venus
project.


git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@10620 91177308-0d34-0410-b5e6-96231b3b80d8
 2003-12-28 08:19:13 +00:00
Chris Lattner
aa4c91ff96 finegrainify namespacification 
minor cleanups


git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@10619 91177308-0d34-0410-b5e6-96231b3b80d8
 2003-12-28 07:59:53 +00:00
Chris Lattner
0898c78a52 Merging constants can cause further room for improvement. Iterate until 
we converge


git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@10618 91177308-0d34-0410-b5e6-96231b3b80d8
 2003-12-28 07:19:08 +00:00
Chris Lattner
6cdc42b3d1 Add a note 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@10617 91177308-0d34-0410-b5e6-96231b3b80d8
 2003-12-28 04:03:49 +00:00
Chris Lattner
87f03108f2 Factor code out of LLI 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@10616 91177308-0d34-0410-b5e6-96231b3b80d8
 2003-12-26 06:50:30 +00:00
Chris Lattner
e5dbbf2bdd New method 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@10615 91177308-0d34-0410-b5e6-96231b3b80d8
 2003-12-26 06:50:15 +00:00
Chris Lattner
269a42811b Factor out code to ExecutionEngine 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@10614 91177308-0d34-0410-b5e6-96231b3b80d8
 2003-12-26 06:49:53 +00:00
Chris Lattner
3ef3dd36fe Simplify code 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@10613 91177308-0d34-0410-b5e6-96231b3b80d8
 2003-12-26 06:36:20 +00:00
Chris Lattner
ddceeb720d minor cleanups 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@10612 91177308-0d34-0410-b5e6-96231b3b80d8
 2003-12-26 06:16:00 +00:00
Chris Lattner
efec9669d9 * eliminate the -f argument to lli, as it was silly and never useful anyway 
* Inline callMain function
* Remove hack from the ExecutionEngines where the 'run' method would automatically
  run atExit functions.  Fixing this requires explicitly calling exit if main returns


git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@10611 91177308-0d34-0410-b5e6-96231b3b80d8
 2003-12-26 06:14:47 +00:00
Chris Lattner
ff0f1bb32a No longer run atExit functions from run() 
rename run to runFunction
Genericize the runFunction code a little bit, though it still stinks


git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@10610 91177308-0d34-0410-b5e6-96231b3b80d8
 2003-12-26 06:13:47 +00:00
Chris Lattner
2cab55d7e1 No longer run atExit functions from run() 
rename run to runFunction


git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@10609 91177308-0d34-0410-b5e6-96231b3b80d8
 2003-12-26 06:13:05 +00:00
Chris Lattner
ff65e36be0 Rename 'run' to 'runFunction' to emphasize that it is usable to run any 
function in a module, not just main


git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@10608 91177308-0d34-0410-b5e6-96231b3b80d8
 2003-12-26 06:12:25 +00:00
Chris Lattner
7efea1dd98 update comment 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@10607 91177308-0d34-0410-b5e6-96231b3b80d8
 2003-12-26 05:07:35 +00:00
Alkis Evlogimenos
843397c237 Improve debugging output when choosing a register to spill. 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@10604 91177308-0d34-0410-b5e6-96231b3b80d8
 2003-12-24 18:53:31 +00:00
Alkis Evlogimenos
7a40eaacee Do a separate pass to compute spill weights because doing it inline 
with live intervals was missing registers that were used before they
were defined (in the arbitrary order live intervals numbers
instructions).


git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@10603 91177308-0d34-0410-b5e6-96231b3b80d8
 2003-12-24 15:44:53 +00:00
Chris Lattner
71f0a828a6 boog fixed 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@10602 91177308-0d34-0410-b5e6-96231b3b80d8
 2003-12-23 23:50:31 +00:00
Chris Lattner
dbd9b3f75c Hrm is a really nasty ommission. The lack of this destructor was causing abstract 
types to never be deleted, manifesting itself as many OpaqueType objects being
leaked.  Whoops.


git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@10601 91177308-0d34-0410-b5e6-96231b3b80d8
 2003-12-23 23:25:21 +00:00
John Criswell
02f61c1f24 Corrected typo. 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@10600 91177308-0d34-0410-b5e6-96231b3b80d8
 2003-12-23 22:22:10 +00:00
Chris Lattner
9cd42575c2 Right, fix the problem with invoke instructions, not just call instructions 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@10599 91177308-0d34-0410-b5e6-96231b3b80d8
 2003-12-23 22:18:36 +00:00
Chris Lattner
f64d57ada8 Do not delete the type holder until after the call instruction has been 
constructed!


git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@10598 91177308-0d34-0410-b5e6-96231b3b80d8
 2003-12-23 20:39:17 +00:00
John Criswell
368751f2b7 Modified the logic so that library objects with main() are only linked in 
if the program currently has main undefined.


git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@10597 91177308-0d34-0410-b5e6-96231b3b80d8
 2003-12-23 20:27:14 +00:00
Chris Lattner
a989b234bd Minor cleanups, plug a minor memory leak 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@10596 91177308-0d34-0410-b5e6-96231b3b80d8
 2003-12-23 20:05:15 +00:00
Alkis Evlogimenos
3bf564a95f Change the way free regusters are computed and perform better 
allocation in the presence of preallocated intervals.


git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@10595 91177308-0d34-0410-b5e6-96231b3b80d8
 2003-12-23 18:00:33 +00:00
John Criswell
1715ce00e4 Modified the linker so that it always links in an object from an archive 
that defines the symbol "main."  This is a hack that ensures that programs
that place their main function in a library and then link it in
(i.e. Apache 2.x) get their main function linked in.

There is probably a more correct way to do this, but this works for now.


git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@10594 91177308-0d34-0410-b5e6-96231b3b80d8
 2003-12-23 17:37:06 +00:00
Chris Lattner
ac1ccae982 Rename method 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@10593 91177308-0d34-0410-b5e6-96231b3b80d8
 2003-12-23 09:41:45 +00:00
Chris Lattner
9a0a41f224 rename ClassifyExpression -> ClassifyExpr 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@10592 91177308-0d34-0410-b5e6-96231b3b80d8
 2003-12-23 08:04:08 +00:00
Chris Lattner
4e4bbc792c Rename ClassifyExpression -> ClassifyExpr 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@10591 91177308-0d34-0410-b5e6-96231b3b80d8
 2003-12-23 08:03:40 +00:00
Chris Lattner
15cad759fe More minor non-functional changes. This now computes the exit condition, though 
it doesn't do anything with it.


git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@10590 91177308-0d34-0410-b5e6-96231b3b80d8
 2003-12-23 07:47:09 +00:00
Chris Lattner
e799902fbb Remove extraneous #include 
finegrainify namespacification


git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@10589 91177308-0d34-0410-b5e6-96231b3b80d8
 2003-12-23 07:43:38 +00:00
Chris Lattner
790462ca1f Finegrainify namespacification 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@10588 91177308-0d34-0410-b5e6-96231b3b80d8
 2003-12-23 06:44:41 +00:00
Chris Lattner
0cbdd9745d bug fixed 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@10587 91177308-0d34-0410-b5e6-96231b3b80d8
 2003-12-22 23:56:37 +00:00
Chris Lattner
b97238079d Fix memory corruption bug PR193 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@10586 91177308-0d34-0410-b5e6-96231b3b80d8
 2003-12-22 23:49:36 +00:00
John Criswell
9059158b56 Reverted back to revision 1.11. The previous fix doesn't really fix 
anything; it just causes the bug to go dormant.


git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@10585 91177308-0d34-0410-b5e6-96231b3b80d8
 2003-12-22 16:22:49 +00:00
Alkis Evlogimenos
056063e264 Fix crash when compiling twolf. 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@10584 91177308-0d34-0410-b5e6-96231b3b80d8
 2003-12-22 13:54:29 +00:00
Chris Lattner
500597a1c3 Don't mind me, I'm just refactoring away. This patch makes room for LFTR, but 
contains no functionality changes.


git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@10583 91177308-0d34-0410-b5e6-96231b3b80d8
 2003-12-22 09:53:29 +00:00