Evan Cheng
5196b3680c
Add a version of FindUnusedReg that restrict search to a specific set of registers.
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git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@34784 91177308-0d34-0410-b5e6-96231b3b80d8
2007-03-01 08:56:24 +00:00
Evan Cheng
28654b6205
Clean up interface.
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git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@34769 91177308-0d34-0410-b5e6-96231b3b80d8
2007-03-01 02:18:06 +00:00
Evan Cheng
88d1f587d2
Track all joined registers and eliminate unneeded kills after all joining are done.
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git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@34767 91177308-0d34-0410-b5e6-96231b3b80d8
2007-03-01 02:03:03 +00:00
Evan Cheng
3193a2d6b0
MachineBasicBlock fields should not be public.
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git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@34766 91177308-0d34-0410-b5e6-96231b3b80d8
2007-03-01 02:00:40 +00:00
Chris Lattner
66baf26fe0
add methods for analysis of call results and return nodes.
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git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@34738 91177308-0d34-0410-b5e6-96231b3b80d8
2007-02-28 07:09:40 +00:00
Chris Lattner
fb39f99fa4
add methods to analyze calls and formals.
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git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@34736 91177308-0d34-0410-b5e6-96231b3b80d8
2007-02-28 06:56:37 +00:00
Evan Cheng
898218cc5e
Some more code clean up.
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git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@34700 91177308-0d34-0410-b5e6-96231b3b80d8
2007-02-27 22:58:43 +00:00
Evan Cheng
8cab162e03
Oops.
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git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@34698 91177308-0d34-0410-b5e6-96231b3b80d8
2007-02-27 22:10:52 +00:00
Evan Cheng
bb6fb3357d
RegScavenger interface change to make it more flexible.
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git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@34690 91177308-0d34-0410-b5e6-96231b3b80d8
2007-02-27 21:09:48 +00:00
Evan Cheng
659ba970e3
Pass IsImp, IsKill, and IsDead to ChangeToRegister.
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git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@34688 91177308-0d34-0410-b5e6-96231b3b80d8
2007-02-27 21:06:57 +00:00
Chris Lattner
13513b7a50
Minor refactoring of CC Lowering interfaces
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git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@34656 91177308-0d34-0410-b5e6-96231b3b80d8
2007-02-27 05:13:54 +00:00
Chris Lattner
362e98a5f5
move CC Lowering stuff to its own public interface
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git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@34655 91177308-0d34-0410-b5e6-96231b3b80d8
2007-02-27 04:43:02 +00:00
Evan Cheng
ed570dedad
forward() should not increment internal iterator. Its client may insert instruction between now and next forward() call.
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git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@34649 91177308-0d34-0410-b5e6-96231b3b80d8
2007-02-27 01:58:48 +00:00
Evan Cheng
edeffb37dc
Joining an interval with a dead copy instruction. Shorten the live range to the last use.
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git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@34645 91177308-0d34-0410-b5e6-96231b3b80d8
2007-02-26 21:37:37 +00:00
Evan Cheng
76d7e76c15
Use findRegisterUseOperand to find a kill of particular register.
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git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@34512 91177308-0d34-0410-b5e6-96231b3b80d8
2007-02-23 01:04:26 +00:00
Evan Cheng
96fa612373
Initial check in of register scavenger. Its only current functionality is tracking live registers per MBB.
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git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@34511 91177308-0d34-0410-b5e6-96231b3b80d8
2007-02-23 01:01:19 +00:00
Evan Cheng
7d35c0e2b9
Copy and paste silliness.
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git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@34507 91177308-0d34-0410-b5e6-96231b3b80d8
2007-02-22 23:52:23 +00:00
Evan Cheng
30cac02a92
Remove unnecessary isKill properties if a live range has been lengthened due to coalescing.
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git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@34503 91177308-0d34-0410-b5e6-96231b3b80d8
2007-02-22 23:03:39 +00:00
Jim Laskey
f033833109
Typo.
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git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@34498 91177308-0d34-0410-b5e6-96231b3b80d8
2007-02-22 16:40:10 +00:00
Jim Laskey
033c9715d9
Remove isAccessable.
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git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@34497 91177308-0d34-0410-b5e6-96231b3b80d8
2007-02-22 16:39:03 +00:00
Jim Laskey
bda9b0ec7b
Add support for changes in DwarfWriter.
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git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@34478 91177308-0d34-0410-b5e6-96231b3b80d8
2007-02-21 22:47:38 +00:00
Jim Laskey
9b25b8ca24
Allow for live in registers for eh landing pads.
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git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@34475 91177308-0d34-0410-b5e6-96231b3b80d8
2007-02-21 22:41:17 +00:00
Jim Laskey
30b8e51add
Add a flag to MBBs to indicate whether it is an eh landing pad.
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git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@34474 91177308-0d34-0410-b5e6-96231b3b80d8
2007-02-21 22:39:52 +00:00
Jim Laskey
59667fe203
Add structures used for collecting eh information.
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git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@34473 91177308-0d34-0410-b5e6-96231b3b80d8
2007-02-21 22:38:31 +00:00
Jim Laskey
f09f2e304d
Add new instructions for handling data passed into eh landing pad.
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git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@34472 91177308-0d34-0410-b5e6-96231b3b80d8
2007-02-21 22:37:22 +00:00
Evan Cheng
b371f457b0
Re-apply my liveintervalanalysis changes. Now with PR1207 fixes.
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git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@34428 91177308-0d34-0410-b5e6-96231b3b80d8
2007-02-19 21:49:54 +00:00
Reid Spencer
a284cbf667
For PR1207:
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Revert patches that caused the problem. Evan, please investigate and reapply
when you've discovered the problem.
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@34399 91177308-0d34-0410-b5e6-96231b3b80d8
2007-02-19 03:20:00 +00:00
Evan Cheng
aa7976199c
- Changes how function livein's are handled, they now have a start index of 0.
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- When coalescing a copy MI, if its destination is "dead", propagate the
property to the source MI's destination if there are no intervening uses.
- Detect dead function live-in's and remove them.
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@34383 91177308-0d34-0410-b5e6-96231b3b80d8
2007-02-17 11:15:40 +00:00
Evan Cheng
094e3e553f
Added findRegisterDefOperand().
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git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@34380 91177308-0d34-0410-b5e6-96231b3b80d8
2007-02-17 11:10:18 +00:00
Evan Cheng
9e66eb6046
Added removeLiveIn and more livein iterators.
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git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@34378 91177308-0d34-0410-b5e6-96231b3b80d8
2007-02-17 11:07:41 +00:00
Evan Cheng
64ff3c349b
Allow LiveVariables to track liveness of more registers.
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git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@34377 91177308-0d34-0410-b5e6-96231b3b80d8
2007-02-17 11:07:08 +00:00
Evan Cheng
61de82d885
Use BitVector instead of vector<bool> which can be extremely slow.
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git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@34302 91177308-0d34-0410-b5e6-96231b3b80d8
2007-02-15 05:59:24 +00:00
Reid Spencer
ac9dcb94dd
For PR1195:
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Change use of "packed" term to "vector" in comments, strings, variable
names, etc.
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@34300 91177308-0d34-0410-b5e6-96231b3b80d8
2007-02-15 03:39:18 +00:00
Evan Cheng
3cd4c892d9
isPhysRegUsed should be const.
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git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@34295 91177308-0d34-0410-b5e6-96231b3b80d8
2007-02-15 02:55:51 +00:00
Evan Cheng
d1172cc056
Should pass isKill and isDead to addRegOperand() as well.
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git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@34294 91177308-0d34-0410-b5e6-96231b3b80d8
2007-02-15 02:52:40 +00:00
Lauro Ramos Venancio
13a3cee131
Add comment about original function argument alignment.
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git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@34243 91177308-0d34-0410-b5e6-96231b3b80d8
2007-02-13 17:57:38 +00:00
Evan Cheng
13d8285678
Add live-ins to MachineBasicBlock.
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git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@34111 91177308-0d34-0410-b5e6-96231b3b80d8
2007-02-10 02:38:19 +00:00
Bill Wendling
2f5bcb5f38
Fixed comments.
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git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@34040 91177308-0d34-0410-b5e6-96231b3b80d8
2007-02-08 06:05:08 +00:00
Bill Wendling
529f0690d5
Declarations for functions that create different file writers.
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git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@34028 91177308-0d34-0410-b5e6-96231b3b80d8
2007-02-08 01:31:38 +00:00
Bill Wendling
4b2ca1a3c4
Moved from include/llvm/CodeGen to lib/CodeGen.
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git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@34027 91177308-0d34-0410-b5e6-96231b3b80d8
2007-02-08 01:30:50 +00:00
Chris Lattner
831e0374a7
switch the VRBaseMap in the scheduler from an std::map to a DenseMap. This
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speeds up the isel pass from 2.5570s to 2.4722s on kc++ (3.4%).
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@33879 91177308-0d34-0410-b5e6-96231b3b80d8
2007-02-04 08:47:20 +00:00
Chris Lattner
3f97eb449b
Introduce new UnarySDNode/BinarySDNode/TernarySDNode nodes, which coallocate
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their operands with the node itself. This reduces malloc traffic for operand
lists. This reduces isel time on kc++ from 2.6164 to 2.5570s, about 2.3%.
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@33878 91177308-0d34-0410-b5e6-96231b3b80d8
2007-02-04 08:35:21 +00:00
Chris Lattner
bc2e26241d
Add a new SDNode ctor and InitOperands method. This allows the operands for
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an SDNode to be allocated as part of the node itself, instead of being a
separate new[]'d object. Switch HandleSDNode, LoadSDNode, and StoreSDNode
to use this mechanism. This saves one heap allocation and free for each node
of this type that is allocated. This reduces isel time from 2.7638 to 2.6164s
on kc++, which is a 5.6% speedup.
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@33877 91177308-0d34-0410-b5e6-96231b3b80d8
2007-02-04 08:13:53 +00:00
Chris Lattner
ab4ed59538
eliminate the SDNode::setValueTypes method.
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git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@33876 91177308-0d34-0410-b5e6-96231b3b80d8
2007-02-04 07:37:24 +00:00
Chris Lattner
63e3f14df6
eliminate a bunch of duplicate ctors and helper functions.
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git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@33875 91177308-0d34-0410-b5e6-96231b3b80d8
2007-02-04 07:28:00 +00:00
Chris Lattner
d429bcd4ac
move MorphNode to out of line and merge setNodeOperands into it. There is
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no behavior or performance change here.
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@33869 91177308-0d34-0410-b5e6-96231b3b80d8
2007-02-04 02:49:29 +00:00
Chris Lattner
48b8592652
simplify MorphNodeTo to take a VTList operand.
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git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@33868 91177308-0d34-0410-b5e6-96231b3b80d8
2007-02-04 02:41:42 +00:00
Chris Lattner
67612a1188
eliminate some extraneous methods in SDNode
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git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@33867 91177308-0d34-0410-b5e6-96231b3b80d8
2007-02-04 02:32:44 +00:00
Chris Lattner
c76e3c8602
Give each selectiondag node class a home for it's vtable and rtti info
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git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@33866 91177308-0d34-0410-b5e6-96231b3b80d8
2007-02-04 02:23:32 +00:00
Bill Wendling
0f43b22320
Moved MachORelocation to its own header file. Have a call through the
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TargetMachOInfo object to the GetTargetRelocation method. Pass into it
non-Mach-O-specific parameters.
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@33813 91177308-0d34-0410-b5e6-96231b3b80d8
2007-02-03 02:37:51 +00:00