Reid Spencer
6b79e2d202
Add an APInt version of ShrinkDemandedConstant.
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Patch by Zhou Sheng.
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@35063 91177308-0d34-0410-b5e6-96231b3b80d8
2007-03-12 17:15:10 +00:00
Zhou Sheng
edd089c86a
Avoid to assert on "(KnownZero & KnownOne) == 0".
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git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@35062 91177308-0d34-0410-b5e6-96231b3b80d8
2007-03-12 16:54:56 +00:00
Zhou Sheng
430f626937
In function ComputeMaskedBits():
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1. Replace getSignedMinValue() with getSignBit() for better code readability.
2. Replace APIntOps::shl() with operator<<= for convenience.
3. Make APInt construction more effective.
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@35060 91177308-0d34-0410-b5e6-96231b3b80d8
2007-03-12 05:44:52 +00:00
Nick Lewycky
e677a0b099
Add value ranges. Currently inefficient in both execution time and
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optimization power.
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@35058 91177308-0d34-0410-b5e6-96231b3b80d8
2007-03-10 18:12:48 +00:00
Anton Korobeynikov
e2ff29c17c
Use range tests in LowerSwitch, where possible
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git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@35057 91177308-0d34-0410-b5e6-96231b3b80d8
2007-03-10 16:46:28 +00:00
Nick Lewycky
3400e6af6b
Add getter methods for the extremes of a ConstantRange.
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git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@35056 91177308-0d34-0410-b5e6-96231b3b80d8
2007-03-10 15:54:12 +00:00
Bill Wendling
c1fb0473ed
Adding more arithmetic operators to MMX. This is an almost exact copy of
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the addition. Please let me know if you have suggestions.
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@35055 91177308-0d34-0410-b5e6-96231b3b80d8
2007-03-10 09:57:05 +00:00
Devang Patel
f7543fe35a
Remove dead comments.
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git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@35053 91177308-0d34-0410-b5e6-96231b3b80d8
2007-03-09 23:41:03 +00:00
Devang Patel
a5b7dc5ef8
Avoid recursion. Use iterative algorithm for RenamePass().
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git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@35052 91177308-0d34-0410-b5e6-96231b3b80d8
2007-03-09 23:39:14 +00:00
Devang Patel
4fe26582c0
Increment iterator now because IVUseShouldUsePostIncValue may remove
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User from the list of I users.
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@35051 91177308-0d34-0410-b5e6-96231b3b80d8
2007-03-09 21:19:53 +00:00
Reid Spencer
afc378201d
Regenerate.
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git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@35050 91177308-0d34-0410-b5e6-96231b3b80d8
2007-03-09 21:19:09 +00:00
Evan Cheng
1a9da0d66c
Minor stuff.
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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.
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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.
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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
Reid Spencer
87707b90b1
For PR1245:
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Account for the sign bit when computing the number of bits required for
a negative integer literal constant.
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@35046 91177308-0d34-0410-b5e6-96231b3b80d8
2007-03-09 19:26:52 +00:00
Dale Johannesen
818c085232
apply comments from review of last patch
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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
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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
Anton Korobeynikov
349ec1c11b
Unbreak mingw32 build
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git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@35042 91177308-0d34-0410-b5e6-96231b3b80d8
2007-03-09 11:53:34 +00:00
Evan Cheng
e2ee99620f
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.
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@35041 91177308-0d34-0410-b5e6-96231b3b80d8
2007-03-09 09:48:56 +00:00
Evan Cheng
219705131d
Print preds / succs BB numbers.
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git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@35040 91177308-0d34-0410-b5e6-96231b3b80d8
2007-03-09 08:29:08 +00:00
Evan Cheng
f0e3bb1333
Avoid variable shadowing.
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git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@35039 91177308-0d34-0410-b5e6-96231b3b80d8
2007-03-09 06:02:17 +00:00
Bill Wendling
47992ea4be
Don't use std::hex.
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git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@35038 91177308-0d34-0410-b5e6-96231b3b80d8
2007-03-08 23:37:24 +00:00
Bill Wendling
3bae2e97d9
Don't use a cast. It causes an error on some platforms.
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git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@35037 91177308-0d34-0410-b5e6-96231b3b80d8
2007-03-08 23:26:50 +00:00
Evan Cheng
23a9570494
Implement inline asm modifier c.
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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
Chris Lattner
6dfc6806bf
implement support for floating point constants used as inline asm memory operands.
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git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@35033 91177308-0d34-0410-b5e6-96231b3b80d8
2007-03-08 22:29:47 +00:00
Bill Wendling
2f88dcdfb3
Added "padd*" support for MMX. Added MMX move stuff to X86InstrInfo so that
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moves, loads, etc. are recognized.
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@35031 91177308-0d34-0410-b5e6-96231b3b80d8
2007-03-08 22:09:11 +00:00
Evan Cheng
b582b1b1fc
Fix a typo.
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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
Devang Patel
d46825c6a1
Speed Up Pass Manager.
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- Check Immutableness before searching PreservedSet.
- Avoid unnecessary traversal while setting Last User.
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@35028 91177308-0d34-0410-b5e6-96231b3b80d8
2007-03-08 19:05:01 +00:00
Zhou Sheng
a47f60bfaf
Fix a bug in function ComputeMaskedBits().
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git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@35027 91177308-0d34-0410-b5e6-96231b3b80d8
2007-03-08 15:15:18 +00:00
Evan Cheng
032953d747
Putting more constants which do not contain relocations into .literal{4|8|16}
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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
Chris Lattner
b4ddac9bf7
make this fail even in non-assert builds.
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git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@35025 91177308-0d34-0410-b5e6-96231b3b80d8
2007-03-08 07:07:03 +00:00
Chris Lattner
97f9df1cd1
This appears correct, enable it so we can see perf changes on testers
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git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@35024 91177308-0d34-0410-b5e6-96231b3b80d8
2007-03-08 07:03:55 +00:00
Chris Lattner
c14d3cac4b
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.
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@35023 91177308-0d34-0410-b5e6-96231b3b80d8
2007-03-08 06:36:54 +00:00
Zhou Sheng
9a28daa864
Fix a bug in APIntified ComputeMaskedBits().
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git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@35022 91177308-0d34-0410-b5e6-96231b3b80d8
2007-03-08 05:42:00 +00:00
Evan Cheng
bf822eb6a3
Change register allocation order to Dale's suggestion.
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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.
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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
Reid Spencer
e7816b5c9e
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.
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@35019 91177308-0d34-0410-b5e6-96231b3b80d8
2007-03-08 01:52:58 +00:00
Reid Spencer
3e7594f187
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.
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@35018 91177308-0d34-0410-b5e6-96231b3b80d8
2007-03-08 01:46:38 +00:00
Evan Cheng
98ded765c2
For Darwin, put constant data into .const, .const_data, .literal{4|8|16}
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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
f0b5d56efd
Put constant data to .const, .const_data, .literal{4|8|16} sections.
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git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@35016 91177308-0d34-0410-b5e6-96231b3b80d8
2007-03-08 01:07:07 +00:00
Evan Cheng
be346c9476
Add ReadOnlySection directive.
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git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@35015 91177308-0d34-0410-b5e6-96231b3b80d8
2007-03-08 01:00:38 +00:00
Evan Cheng
afe1581557
Added ContainsRelocations() to check if a constant might only be resolvable at load time.
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git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@35014 91177308-0d34-0410-b5e6-96231b3b80d8
2007-03-08 00:59:12 +00:00
Evan Cheng
603b83ebcd
Only safe to use a call-clobbered or spilled callee-saved register as scratch register.
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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
Bill Wendling
c32a7f98ab
Remove useless pattern fragments.
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git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@35009 91177308-0d34-0410-b5e6-96231b3b80d8
2007-03-07 18:23:09 +00:00
Anton Korobeynikov
d0b82b301d
Refactoring of formal parameter flags. Enable properly use of
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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
Anton Korobeynikov
6a143590b3
Cleanup: make SetCounter an instance variable
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git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@35007 91177308-0d34-0410-b5e6-96231b3b80d8
2007-03-07 08:25:02 +00:00
Evan Cheng
83060c544b
Avoid combining indexed load further.
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git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@35005 91177308-0d34-0410-b5e6-96231b3b80d8
2007-03-07 08:07:03 +00:00
Devang Patel
5ee9997906
Now IndVarSimplify is a LoopPass.
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git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@35003 91177308-0d34-0410-b5e6-96231b3b80d8
2007-03-07 06:39:01 +00:00
Bill Wendling
bc9bffa27b
Properly support v8i8 and v4i16 types. It now converts them to v2i32 for
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load and stores.
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@35002 91177308-0d34-0410-b5e6-96231b3b80d8
2007-03-07 05:43:18 +00:00
Devang Patel
54959d6cf6
Now LICM is a LoopPass.
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git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@35001 91177308-0d34-0410-b5e6-96231b3b80d8
2007-03-07 04:41:30 +00:00