31ef0ab7cf
Add comments about LSR / ARM.
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llvm-svn: 35048
2007-03-09 19:35:33 +00:00
603f3094eb
Unfinished work and ideas related to register scavenger.
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llvm-svn: 35047
2007-03-09 19:34:51 +00:00
3fcf0c24a9
For PR1245:
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Account for the sign bit when computing the number of bits required for
a negative integer literal constant.
llvm-svn: 35046
2007-03-09 19:26:52 +00:00
368faf9acd
apply comments from review of last patch
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llvm-svn: 35045
2007-03-09 19:18:59 +00:00
af0cff2671
Add some observations from CoreGraphics benchmark. Remove register
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scavenging todo item, since it is now implemented.
llvm-svn: 35044
2007-03-09 17:58:17 +00:00
2f4ae5306e
Unbreak mingw32 build
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llvm-svn: 35042
2007-03-09 11:53:34 +00:00
df7949a8d0
If a virtual register is already marked alive in this block, that means it is
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alive in one of the successor block. Do not add it to the kill list.
llvm-svn: 35041
2007-03-09 09:48:56 +00:00
9bc8d4b6f2
Print preds / succs BB numbers.
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llvm-svn: 35040
2007-03-09 08:29:08 +00:00
91b0790297
Avoid variable shadowing.
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llvm-svn: 35039
2007-03-09 06:02:17 +00:00
16574a72e1
Don't use std::hex.
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llvm-svn: 35038
2007-03-08 23:37:24 +00:00
61a2773977
Don't use a cast. It causes an error on some platforms.
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llvm-svn: 35037
2007-03-08 23:26:50 +00:00
fe7b8a7c68
Test inline asm modifier 'c'.
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llvm-svn: 35036
2007-03-08 22:45:31 +00:00
ea28fc5dc4
Implement inline asm modifier c.
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llvm-svn: 35035
2007-03-08 22:42:46 +00:00
577e8b4ed8
upgrade this testcase, add test for fp immediate to memory operand.
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llvm-svn: 35034
2007-03-08 22:33:06 +00:00
ce8aba03ee
implement support for floating point constants used as inline asm memory operands.
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llvm-svn: 35033
2007-03-08 22:29:47 +00:00
c8eb6b1b15
Add MMX arithmetic testcase.
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llvm-svn: 35032
2007-03-08 22:14:51 +00:00
6092ce25cf
Added "padd*" support for MMX. Added MMX move stuff to X86InstrInfo so that
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moves, loads, etc. are recognized.
llvm-svn: 35031
2007-03-08 22:09:11 +00:00
63170b6959
Fix a typo.
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llvm-svn: 35030
2007-03-08 21:59:30 +00:00
f4d1ee7ff2
Fix test case.
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llvm-svn: 35029
2007-03-08 19:27:32 +00:00
01919d2c0b
Speed Up Pass Manager.
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- Check Immutableness before searching PreservedSet.
- Avoid unnecessary traversal while setting Last User.
llvm-svn: 35028
2007-03-08 19:05:01 +00:00
d1eb3d593e
Fix a bug in function ComputeMaskedBits().
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llvm-svn: 35027
2007-03-08 15:15:18 +00:00
ddf082082c
Putting more constants which do not contain relocations into .literal{4|8|16}
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llvm-svn: 35026
2007-03-08 08:31:54 +00:00
b7bc3f2d30
make this fail even in non-assert builds.
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llvm-svn: 35025
2007-03-08 07:07:03 +00:00
abd3bff4f2
This appears correct, enable it so we can see perf changes on testers
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llvm-svn: 35024
2007-03-08 07:03:55 +00:00
9f022d550b
Second half of PR1226. This is currently still disabled, until I have a chance to
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do the correctness/performance analysis testing.
llvm-svn: 35023
2007-03-08 06:36:54 +00:00
387d7b1a35
Fix a bug in APIntified ComputeMaskedBits().
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llvm-svn: 35022
2007-03-08 05:42:00 +00:00
e94a2f8026
Change register allocation order to Dale's suggestion.
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llvm-svn: 35021
2007-03-08 02:56:40 +00:00
977195e912
Bug fix. Not advancing the register scavenger iterator correctly.
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llvm-svn: 35020
2007-03-08 02:55:08 +00:00
bb5741fb02
For PR1205:
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Provide an APIntified version of MaskedValueIsZero. This will (temporarily)
cause a "defined but not used" message from the compiler. It will be used
in the next patch in this series.
Patch by Sheng Zhou.
llvm-svn: 35019
2007-03-08 01:52:58 +00:00
aa69640b10
For PR1205:
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Add a new ComputeMaskedBits function that is APIntified. We'll slowly
convert things over to use this version. When its all done, we'll remove
the existing version.
llvm-svn: 35018
2007-03-08 01:46:38 +00:00
d918477ac3
For Darwin, put constant data into .const, .const_data, .literal{4|8|16}
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sections.
llvm-svn: 35017
2007-03-08 01:25:25 +00:00
13a1d96963
Put constant data to .const, .const_data, .literal{4|8|16} sections.
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llvm-svn: 35016
2007-03-08 01:07:07 +00:00
58aeb9c444
Add ReadOnlySection directive.
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llvm-svn: 35015
2007-03-08 01:00:38 +00:00
f9e003b653
Added ContainsRelocations() to check if a constant might only be resolvable at load time.
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llvm-svn: 35014
2007-03-08 00:59:12 +00:00
f030f2d628
Only safe to use a call-clobbered or spilled callee-saved register as scratch register.
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llvm-svn: 35010
2007-03-07 20:30:36 +00:00
6d8211c0ac
Remove useless pattern fragments.
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llvm-svn: 35009
2007-03-07 18:23:09 +00:00
ed4b303c10
Refactoring of formal parameter flags. Enable properly use of
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zext/sext/aext stuff.
llvm-svn: 35008
2007-03-07 16:25:09 +00:00
dd6ce6900e
Cleanup: make SetCounter an instance variable
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llvm-svn: 35007
2007-03-07 08:25:02 +00:00
a5c7f5d622
New test case.
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llvm-svn: 35006
2007-03-07 08:12:39 +00:00
8a1d09d079
Avoid combining indexed load further.
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llvm-svn: 35005
2007-03-07 08:07:03 +00:00
b127b0bc27
Add a utility function to test whether a load is unindexed.
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llvm-svn: 35004
2007-03-07 08:04:41 +00:00
2ac57e1f02
Now IndVarSimplify is a LoopPass.
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llvm-svn: 35003
2007-03-07 06:39:01 +00:00
97905b4027
Properly support v8i8 and v4i16 types. It now converts them to v2i32 for
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load and stores.
llvm-svn: 35002
2007-03-07 05:43:18 +00:00
69730c96db
Now LICM is a LoopPass.
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llvm-svn: 35001
2007-03-07 04:41:30 +00:00
942fda027f
Fix DWARF debugging information on x86/Linux and (hopefully)
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Mingw32/Cygwin targets. This fixes PR978
llvm-svn: 35000
2007-03-07 02:47:57 +00:00
17cdad0687
ARM always use register scavenger. No longer reserves R12.
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llvm-svn: 34999
2007-03-07 02:46:23 +00:00
2818fdd019
Fix some brittle code. Watch out for cases where register scavenger is pointing to deleted instructions.
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llvm-svn: 34998
2007-03-07 02:38:05 +00:00
7e1cae3d2d
Add skipTo to set internal iterator. Useful when pointed to instruction is deleted.
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llvm-svn: 34997
2007-03-07 02:36:16 +00:00
9779e56c04
Now LoopUnroll is a LoopPass.
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llvm-svn: 34996
2007-03-07 01:38:05 +00:00
4e9a0b7976
Fix the pattern.
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llvm-svn: 34994
2007-03-07 00:39:11 +00:00
Evan Cheng