Commit Graph

380 Commits

Author SHA1 Message Date
Evan Cheng
a125cbe839 Updated.
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@35229 91177308-0d34-0410-b5e6-96231b3b80d8
2007-03-20 22:32:39 +00:00
Dale Johannesen
8e59e163db do not share old induction variables when this would result in invalid
instructions (that would have to be split later)


git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@35227 91177308-0d34-0410-b5e6-96231b3b80d8
2007-03-20 21:54:54 +00:00
Lauro Ramos Venancio
64c88d741e bugfix: When the source register of CALL_NOLINK was LR, the following code was emitted:
mov lr, pc
    bx lr
So, the function was not called.


git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@35218 91177308-0d34-0410-b5e6-96231b3b80d8
2007-03-20 17:57:23 +00:00
Evan Cheng
c70d1849b7 Make two piece constant generation as a single instruction. It's re-materialized as a load from constantpool.
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@35207 91177308-0d34-0410-b5e6-96231b3b80d8
2007-03-20 08:11:30 +00:00
Evan Cheng
5603dcf21e New entry.
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@35206 91177308-0d34-0410-b5e6-96231b3b80d8
2007-03-20 08:10:17 +00:00
Evan Cheng
bf2c8b3c96 Added MRegisterInfo hook to re-materialize an instruction.
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@35205 91177308-0d34-0410-b5e6-96231b3b80d8
2007-03-20 08:09:38 +00:00
Chris Lattner
1719e13da0 fix indentation
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@35202 91177308-0d34-0410-b5e6-96231b3b80d8
2007-03-20 02:25:53 +00:00
Dale Johannesen
80dae195c7 fix obvious comment bug
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@35196 91177308-0d34-0410-b5e6-96231b3b80d8
2007-03-20 00:30:56 +00:00
Evan Cheng
9f6636ff0c Fix naming inconsistencies.
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@35163 91177308-0d34-0410-b5e6-96231b3b80d8
2007-03-19 07:48:02 +00:00
Evan Cheng
fa775d09c6 Special LDR instructions to load from non-pc-relative constantpools. These are
rematerializable. Only used for constant generation for now.


git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@35162 91177308-0d34-0410-b5e6-96231b3b80d8
2007-03-19 07:20:03 +00:00
Evan Cheng
a251570417 Constant generation instructions are re-materializable.
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@35161 91177308-0d34-0410-b5e6-96231b3b80d8
2007-03-19 07:09:02 +00:00
Lauro Ramos Venancio
368f20fda4 Only ARMv6 has BSWAP.
Fix MultiSource/Applications/aha test.


git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@35128 91177308-0d34-0410-b5e6-96231b3b80d8
2007-03-16 22:54:16 +00:00
Evan Cheng
2770747216 Added isLegalAddressExpression(). Only allows X +/- C for now.
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@35122 91177308-0d34-0410-b5e6-96231b3b80d8
2007-03-16 08:43:56 +00:00
Evan Cheng
a13fd108f2 AM2 can match 2^n +/- 1. e.g. ldr r3, [r2, r2, lsl #2]
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@35088 91177308-0d34-0410-b5e6-96231b3b80d8
2007-03-13 21:05:54 +00:00
Evan Cheng
961f879ed8 Zero is always a legal AM immediate.
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@35087 91177308-0d34-0410-b5e6-96231b3b80d8
2007-03-13 20:37:59 +00:00
Evan Cheng
e8308df0b9 Implement getTargetLowering() or else LSR won't be using ARM specific hooks.
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@35077 91177308-0d34-0410-b5e6-96231b3b80d8
2007-03-13 01:20:42 +00:00
Evan Cheng
b01fad6d19 Updated TargetLowering LSR addressing mode hooks for ARM and Thumb.
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@35075 91177308-0d34-0410-b5e6-96231b3b80d8
2007-03-12 23:30:29 +00:00
Evan Cheng
1a9da0d66c Minor stuff.
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@35049 91177308-0d34-0410-b5e6-96231b3b80d8
2007-03-09 19:46:06 +00:00
Evan Cheng
44f4fca3c0 Add comments about LSR / ARM.
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@35048 91177308-0d34-0410-b5e6-96231b3b80d8
2007-03-09 19:35:33 +00:00
Evan Cheng
2265b49193 Unfinished work and ideas related to register scavenger.
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@35047 91177308-0d34-0410-b5e6-96231b3b80d8
2007-03-09 19:34:51 +00:00
Dale Johannesen
818c085232 apply comments from review of last patch
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@35045 91177308-0d34-0410-b5e6-96231b3b80d8
2007-03-09 19:18:59 +00:00
Dale Johannesen
a6bc6fc170 Add some observations from CoreGraphics benchmark. Remove register
scavenging todo item, since it is now implemented.


git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@35044 91177308-0d34-0410-b5e6-96231b3b80d8
2007-03-09 17:58:17 +00:00
Evan Cheng
23a9570494 Implement inline asm modifier c.
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@35035 91177308-0d34-0410-b5e6-96231b3b80d8
2007-03-08 22:42:46 +00:00
Evan Cheng
b582b1b1fc Fix a typo.
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@35030 91177308-0d34-0410-b5e6-96231b3b80d8
2007-03-08 21:59:30 +00:00
Evan Cheng
032953d747 Putting more constants which do not contain relocations into .literal{4|8|16}
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@35026 91177308-0d34-0410-b5e6-96231b3b80d8
2007-03-08 08:31:54 +00:00
Evan Cheng
bf822eb6a3 Change register allocation order to Dale's suggestion.
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@35021 91177308-0d34-0410-b5e6-96231b3b80d8
2007-03-08 02:56:40 +00:00
Evan Cheng
11788fde93 Bug fix. Not advancing the register scavenger iterator correctly.
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@35020 91177308-0d34-0410-b5e6-96231b3b80d8
2007-03-08 02:55:08 +00:00
Evan Cheng
98ded765c2 For Darwin, put constant data into .const, .const_data, .literal{4|8|16}
sections.


git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@35017 91177308-0d34-0410-b5e6-96231b3b80d8
2007-03-08 01:25:25 +00:00
Evan Cheng
603b83ebcd Only safe to use a call-clobbered or spilled callee-saved register as scratch register.
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@35010 91177308-0d34-0410-b5e6-96231b3b80d8
2007-03-07 20:30:36 +00:00
Anton Korobeynikov
d0b82b301d Refactoring of formal parameter flags. Enable properly use of
zext/sext/aext stuff.


git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@35008 91177308-0d34-0410-b5e6-96231b3b80d8
2007-03-07 16:25:09 +00:00
Evan Cheng
cb20998b3f ARM always use register scavenger. No longer reserves R12.
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@34999 91177308-0d34-0410-b5e6-96231b3b80d8
2007-03-07 02:46:23 +00:00
Evan Cheng
0ea12ec848 Fix some brittle code. Watch out for cases where register scavenger is pointing to deleted instructions.
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@34998 91177308-0d34-0410-b5e6-96231b3b80d8
2007-03-07 02:38:05 +00:00
Evan Cheng
3d06cf4584 Fix one more Thumb eliminateFrameIndex bug.
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@34990 91177308-0d34-0410-b5e6-96231b3b80d8
2007-03-07 00:12:18 +00:00
Evan Cheng
e6257632fc Register scavenging is now on by default for ARM.
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@34987 91177308-0d34-0410-b5e6-96231b3b80d8
2007-03-06 22:02:53 +00:00
Evan Cheng
a90f3408b3 Make load / store optimizer use register scavenger.
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@34986 91177308-0d34-0410-b5e6-96231b3b80d8
2007-03-06 21:59:20 +00:00
Evan Cheng
cc1c427266 Code clean up. Prepare to use register scavenger.
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@34976 91177308-0d34-0410-b5e6-96231b3b80d8
2007-03-06 18:02:41 +00:00
Evan Cheng
140e33cfd1 Scavenge a register using the register scavenger when needed.
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@34966 91177308-0d34-0410-b5e6-96231b3b80d8
2007-03-06 10:03:56 +00:00
Anton Korobeynikov
1d9baccc9b Use new SDIselParamAttr enumeration. This removes "magick" constants
from formal attributes' flags processing.


git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@34963 91177308-0d34-0410-b5e6-96231b3b80d8
2007-03-06 08:12:33 +00:00
Lauro Ramos Venancio
6d7dd8ef46 Use init_array/fini_array sections for static contructors/destructors when the ABI is AAPCS.
Fix SingleSource/Regression/C/ConstructorDestructorAttributes test on arm-linux-gnueabi.


git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@34931 91177308-0d34-0410-b5e6-96231b3b80d8
2007-03-05 17:59:58 +00:00
Dale Johannesen
9f8e50d4ed eliminate unnecessary reset of SP in epilog on darwin
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@34824 91177308-0d34-0410-b5e6-96231b3b80d8
2007-03-02 01:17:17 +00:00
Evan Cheng
c1c2de0ae7 Use a spilled free callee-saved register as scratch register.
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@34785 91177308-0d34-0410-b5e6-96231b3b80d8
2007-03-01 08:57:52 +00:00
Evan Cheng
f49407b790 - Track which callee-saved registers are spilled.
- Some code clean up.


git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@34783 91177308-0d34-0410-b5e6-96231b3b80d8
2007-03-01 08:26:31 +00:00
Evan Cheng
cda067bad9 Switch from std::vector<bool> to BitVector.
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@34781 91177308-0d34-0410-b5e6-96231b3b80d8
2007-03-01 07:52:44 +00:00
Bill Wendling
f1d6006ad6 Get rid of verboten <iostream> include.
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@34777 91177308-0d34-0410-b5e6-96231b3b80d8
2007-03-01 06:05:39 +00:00
Dale Johannesen
b71aa2b6ca Changes requested in review of last pass. Also pulled isThumb into a
member, instead of resetting in every function that uses it.


git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@34764 91177308-0d34-0410-b5e6-96231b3b80d8
2007-02-28 23:20:38 +00:00
Evan Cheng
ad78ef2154 Doh. ARM::PC is obvious a reserved register.
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@34763 91177308-0d34-0410-b5e6-96231b3b80d8
2007-02-28 23:12:34 +00:00
Dale Johannesen
f1b214d3ca Add intelligence about where to break large blocks.
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@34755 91177308-0d34-0410-b5e6-96231b3b80d8
2007-02-28 18:41:23 +00:00
Evan Cheng
36230cdda4 Make requiresRegisterScavenging determination on a per MachineFunction basis.
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@34711 91177308-0d34-0410-b5e6-96231b3b80d8
2007-02-28 00:59:19 +00:00
Evan Cheng
41a4d562f7 Temporary: make R12 available in ARM mode if RegScavenger is being used.
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@34709 91177308-0d34-0410-b5e6-96231b3b80d8
2007-02-28 00:22:44 +00:00
Evan Cheng
1b051fc6a4 Start making use of RegScavenger.
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@34708 91177308-0d34-0410-b5e6-96231b3b80d8
2007-02-28 00:21:58 +00:00