Bill Wendling
8688888787
Remove dead variable.
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git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@92180 91177308-0d34-0410-b5e6-96231b3b80d8
2009-12-28 01:02:21 +00:00
Bill Wendling
3983fbc112
Remove dead variable.
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git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@92179 91177308-0d34-0410-b5e6-96231b3b80d8
2009-12-28 01:01:14 +00:00
Bill Wendling
b17f15b25f
Remove dead variable.
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git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@92178 91177308-0d34-0410-b5e6-96231b3b80d8
2009-12-28 01:00:12 +00:00
Eli Friedman
ba7b1c4db4
PR5886: Make sure IMUL32m is marked as setting EFLAGS, so scheduling doesn't
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do illegal stuff around it. No testcase because the issue is very fragile.
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@92167 91177308-0d34-0410-b5e6-96231b3b80d8
2009-12-26 20:08:30 +00:00
Bill Wendling
47eb1eab1f
Avoid assigning to Changed when it won't be used after the return.
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git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@92160 91177308-0d34-0410-b5e6-96231b3b80d8
2009-12-25 13:50:18 +00:00
Bill Wendling
164558e59c
Remove dead store.
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git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@92159 91177308-0d34-0410-b5e6-96231b3b80d8
2009-12-25 13:45:50 +00:00
Bill Wendling
ad2cf9dd63
Remove dead store from copy-pasto.
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git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@92158 91177308-0d34-0410-b5e6-96231b3b80d8
2009-12-25 13:44:36 +00:00
Bill Wendling
ebc0c8cc6d
Remove dead store.
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git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@92157 91177308-0d34-0410-b5e6-96231b3b80d8
2009-12-25 13:39:58 +00:00
Bill Wendling
1a6726f795
Remove dead store.
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git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@92156 91177308-0d34-0410-b5e6-96231b3b80d8
2009-12-25 13:37:27 +00:00
John McCall
6a09affdf6
Implement support for converting to string at "natural precision", and fix some
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major bugs in long-precision conversion.
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@92150 91177308-0d34-0410-b5e6-96231b3b80d8
2009-12-24 23:18:09 +00:00
John McCall
003a09c68d
Substantially optimize APFloat::toString() by doing a single large divide to
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cut the significand down to the desired precision *before* entering the
core divmod loop. Makes the overall algorithm logarithmic in the exponent.
There's still a lot of room for improvement here, but this gets the
performance back down to acceptable-for-diagnostics levels, even for
long doubles.
negligible, even on long doubles.
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@92130 91177308-0d34-0410-b5e6-96231b3b80d8
2009-12-24 12:16:56 +00:00
John McCall
00e65de9d8
Add accessors for the largest-magnitude, smallest-magnitude, and
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smallest-normalized-magnitude values in a given FP semantics.
Provide an APFloat-to-string conversion which I am quite ready to admit could
be much more efficient.
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@92126 91177308-0d34-0410-b5e6-96231b3b80d8
2009-12-24 08:56:26 +00:00
John McCall
d73bf5987a
Set Remainder before Quotient in case Quotient and LHS alias. The new
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order should be immune to such problems.
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@92124 91177308-0d34-0410-b5e6-96231b3b80d8
2009-12-24 08:52:06 +00:00
Chris Lattner
04b091a782
handle equality memcmp of 8 bytes on x86-64 with two unaligned loads and a
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compare. On other targets we end up with a call to memcmp because we don't
want 16 individual byte loads. We should be able to use movups as well, but
we're failing to select the generated icmp.
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@92107 91177308-0d34-0410-b5e6-96231b3b80d8
2009-12-24 01:07:17 +00:00
David Greene
7ed6dd61ac
Change errs() to dbgs().
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git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@92099 91177308-0d34-0410-b5e6-96231b3b80d8
2009-12-24 00:39:02 +00:00
Chris Lattner
8047d9a6be
move an optimization for memcmp out of simplifylibcalls and into
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SDISel. This optimization was causing simplifylibcalls to
introduce type-unsafe nastiness. This is the first step, I'll be
expanding the memcmp optimizations shortly, covering things that
we really really wouldn't want simplifylibcalls to do.
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@92098 91177308-0d34-0410-b5e6-96231b3b80d8
2009-12-24 00:37:38 +00:00
David Greene
465e2b950d
Change errs() to dbgs().
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git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@92097 91177308-0d34-0410-b5e6-96231b3b80d8
2009-12-24 00:34:21 +00:00
David Greene
f83adbc4c1
Change errs() to dbgs().
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git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@92096 91177308-0d34-0410-b5e6-96231b3b80d8
2009-12-24 00:31:35 +00:00
David Greene
0c8b6e6bc5
Change errs() to dbgs().
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git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@92094 91177308-0d34-0410-b5e6-96231b3b80d8
2009-12-24 00:27:55 +00:00
David Greene
5393b25234
Change errs() to dbgs().
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git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@92093 91177308-0d34-0410-b5e6-96231b3b80d8
2009-12-24 00:14:25 +00:00
David Greene
afd52024e5
Change errs() to dbgs().
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git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@92092 91177308-0d34-0410-b5e6-96231b3b80d8
2009-12-24 00:06:26 +00:00
David Greene
5669a3e7d0
Change errs() to dbgs().
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git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@92091 91177308-0d34-0410-b5e6-96231b3b80d8
2009-12-23 23:47:53 +00:00
David Greene
0e28d76696
Change errs() to dbgs().
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git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@92088 91177308-0d34-0410-b5e6-96231b3b80d8
2009-12-23 23:38:28 +00:00
David Greene
b64ca1385a
Change dbgs() back to errs() as Chris requested.
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git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@92086 91177308-0d34-0410-b5e6-96231b3b80d8
2009-12-23 23:29:28 +00:00
David Greene
a8e21d485a
Change dbgs() back to errs() as Chris requested.
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git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@92085 91177308-0d34-0410-b5e6-96231b3b80d8
2009-12-23 23:27:15 +00:00
Chris Lattner
98d67d7d7e
reorder to follow a normal fall-through style, no functionality change.
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git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@92084 91177308-0d34-0410-b5e6-96231b3b80d8
2009-12-23 23:24:51 +00:00
David Greene
037764227e
Clarify how dbgs() operates.
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git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@92083 91177308-0d34-0410-b5e6-96231b3b80d8
2009-12-23 23:23:15 +00:00
David Greene
4027f3d745
Change dbgs() back to errs() for assert messages as Chris requested.
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git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@92081 91177308-0d34-0410-b5e6-96231b3b80d8
2009-12-23 23:14:41 +00:00
David Greene
2e48e53d98
Change dbgs() back to errs() for assert messages as Chris requested.
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git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@92080 91177308-0d34-0410-b5e6-96231b3b80d8
2009-12-23 23:09:39 +00:00
Chris Lattner
62dc896bc4
sizeof(char) is always 1.
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git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@92079 91177308-0d34-0410-b5e6-96231b3b80d8
2009-12-23 23:03:24 +00:00
David Greene
fb64f11ced
Change dbgs() back to errs() for assert messages as Chris requested.
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git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@92077 91177308-0d34-0410-b5e6-96231b3b80d8
2009-12-23 23:00:50 +00:00
David Greene
e6717d7ba6
Change dbgs() back to errs() for assert messages as Chris requested.
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git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@92076 91177308-0d34-0410-b5e6-96231b3b80d8
2009-12-23 22:59:29 +00:00
David Greene
63c9463c62
Remove dump routine and the associated Debug.h from a header. Patch up
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other files to compensate.
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@92075 91177308-0d34-0410-b5e6-96231b3b80d8
2009-12-23 22:58:38 +00:00
David Greene
4850a89b77
Change dbgs() back to errs() as Chris requested.
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git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@92073 91177308-0d34-0410-b5e6-96231b3b80d8
2009-12-23 22:49:57 +00:00
David Greene
c48e3d1870
Convert debug messages to use dbgs(). Generally this means
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s/errs/dbgs/g except for certain special cases.
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@92071 91177308-0d34-0410-b5e6-96231b3b80d8
2009-12-23 22:35:10 +00:00
David Greene
89282915fd
Convert debug messages to use dbgs(). Generally this means
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s/errs/dbgs/g except for certain special cases.
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@92068 91177308-0d34-0410-b5e6-96231b3b80d8
2009-12-23 22:28:01 +00:00
David Greene
25e0e87f85
Convert debug messages to use dbgs(). Generally this means
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s/errs/dbgs/g except for certain special cases.
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@92067 91177308-0d34-0410-b5e6-96231b3b80d8
2009-12-23 22:18:14 +00:00
David Greene
3b519f62fc
Convert debug messages to use dbgs(). Generally this means
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s/errs/dbgs/g except for certain special cases.
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@92066 91177308-0d34-0410-b5e6-96231b3b80d8
2009-12-23 22:10:20 +00:00
David Greene
b511efa7be
Convert debug messages to use dbgs(). Generally this means
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s/errs/dbgs/g except for certain special cases.
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@92063 91177308-0d34-0410-b5e6-96231b3b80d8
2009-12-23 21:58:29 +00:00
David Greene
8eb96920ca
Convert debug messages to use dbgs(). Generally this means
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s/errs/dbgs/g except for certain special cases.
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@92060 91177308-0d34-0410-b5e6-96231b3b80d8
2009-12-23 21:48:18 +00:00
Jakob Stoklund Olesen
1dbc38f52e
Move kill flags when the same register occurs more than once in a sequence.
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git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@92058 91177308-0d34-0410-b5e6-96231b3b80d8
2009-12-23 21:34:03 +00:00
Jakob Stoklund Olesen
158a2263bd
Handle undef operands properly.
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git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@92054 91177308-0d34-0410-b5e6-96231b3b80d8
2009-12-23 21:28:42 +00:00
Jakob Stoklund Olesen
6528966eae
Make insert position available to MergeOpsUpdate.
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Rearrange arguments.
No functional changes
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@92053 91177308-0d34-0410-b5e6-96231b3b80d8
2009-12-23 21:28:37 +00:00
Jakob Stoklund Olesen
3063aed8d2
Perform kill flag calculations in new method. No functional changes.
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git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@92052 91177308-0d34-0410-b5e6-96231b3b80d8
2009-12-23 21:28:31 +00:00
Jakob Stoklund Olesen
f8e33e513f
Move repeated code to a new method. No functional change.
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git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@92051 91177308-0d34-0410-b5e6-96231b3b80d8
2009-12-23 21:28:23 +00:00
David Greene
244d7571f7
Convert debug messages to use dbgs(). Generally this means
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s/errs/dbgs/g except for certain special cases.
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@92050 91177308-0d34-0410-b5e6-96231b3b80d8
2009-12-23 21:27:29 +00:00
David Greene
df9027b0b8
Convert debug messages to use dbgs(). Generally this means
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s/errs/dbgs/g except for certain special cases.
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@92048 91177308-0d34-0410-b5e6-96231b3b80d8
2009-12-23 21:16:54 +00:00
David Greene
2a0f3ccc9c
Convert debug messages to use dbgs(). Generally this means
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s/errs/dbgs/g except for certain special cases.
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@92046 91177308-0d34-0410-b5e6-96231b3b80d8
2009-12-23 21:06:14 +00:00
David Greene
d387b2b1cf
Convert debug messages to use dbgs(). Generally this means
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s/errs/dbgs/g except for certain special cases.
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@92042 91177308-0d34-0410-b5e6-96231b3b80d8
2009-12-23 20:52:41 +00:00
David Greene
5d93a1fb36
Convert debug messages to use dbgs(). Generally this means
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s/errs/dbgs/g except for certain special cases.
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@92040 91177308-0d34-0410-b5e6-96231b3b80d8
2009-12-23 20:43:58 +00:00
David Greene
270862dad4
Convert debug messages to use dbgs(). Generally this means
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s/errs/dbgs/g except for certain special cases.
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@92039 91177308-0d34-0410-b5e6-96231b3b80d8
2009-12-23 20:34:27 +00:00
David Greene
63c4560526
Convert debug messages to use dbgs(). Generally this means
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s/errs/dbgs/g except for certain special cases.
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@92037 91177308-0d34-0410-b5e6-96231b3b80d8
2009-12-23 20:20:46 +00:00
David Greene
c81ce58306
Convert debug messages to use dbgs(). Generally this means
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s/errs/dbgs/g except for certain special cases.
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@92035 91177308-0d34-0410-b5e6-96231b3b80d8
2009-12-23 20:10:59 +00:00
David Greene
265c026fee
Convert debug messages to use dbgs(). Generally this means
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s/errs/dbgs/g except for certain special cases.
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@92034 91177308-0d34-0410-b5e6-96231b3b80d8
2009-12-23 20:03:58 +00:00
David Greene
e13ed1533b
Convert debug messages to use dbgs(). Generally this means
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s/errs/dbgs/g except for certain special cases.
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@92033 91177308-0d34-0410-b5e6-96231b3b80d8
2009-12-23 19:51:44 +00:00
David Greene
0eb5b666dd
Convert debug messages to use dbgs(). Generally this means
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s/errs/dbgs/g except for certain special cases.
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@92032 91177308-0d34-0410-b5e6-96231b3b80d8
2009-12-23 19:45:49 +00:00
David Greene
43c48ac801
Convert debug messages to use dbgs(). Generally this means
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s/errs/dbgs/g except for certain special cases.
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@92029 91177308-0d34-0410-b5e6-96231b3b80d8
2009-12-23 19:27:59 +00:00
David Greene
44d98a76dc
Convert debug messages to use dbgs(). Generally this means
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s/errs/dbgs/g except for certain special cases.
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@92026 91177308-0d34-0410-b5e6-96231b3b80d8
2009-12-23 19:21:19 +00:00
David Greene
20638dc948
Convert debug messages to use dbgs(). Generally this means
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s/errs/dbgs/g except for certain special cases.
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@92024 91177308-0d34-0410-b5e6-96231b3b80d8
2009-12-23 19:15:13 +00:00
Douglas Gregor
37b7baec0d
Alternative fix to make sure that the extern declarations used by
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DynamicLibrary::SearchForAddressOfSymbol refer to declarations in the
global namespace.
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@92023 91177308-0d34-0410-b5e6-96231b3b80d8
2009-12-23 19:12:50 +00:00
Douglas Gregor
0b64472737
Revert 92020 until I figure out a more portable fix
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git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@92021 91177308-0d34-0410-b5e6-96231b3b80d8
2009-12-23 19:04:10 +00:00
Douglas Gregor
0f706ab789
Move the extern symbol declarations outside of
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DynamicLibrary::SearchForAddressOfSymbol and force them to have "C"
linkage.
Interestingly, GCC treats the block-scoped "extern" declarations we
previously had as if they were extern "C" declarations (or, at least,
were in the global namespace), so that GCC bug papered over this LLVM
bug. Clang and EDG get the linkage correct; this new variant seems to
work for both GCC and Clang.
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@92020 91177308-0d34-0410-b5e6-96231b3b80d8
2009-12-23 18:56:27 +00:00
Nuno Lopes
ec9d8b0047
move a few more symbols to .rodata
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git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@92011 91177308-0d34-0410-b5e6-96231b3b80d8
2009-12-23 17:48:10 +00:00
Douglas Gregor
734d236aaf
De-bork CMake build
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git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@92003 91177308-0d34-0410-b5e6-96231b3b80d8
2009-12-23 17:03:46 +00:00
David Greene
b5d568cc70
Provide dbgs(), a circular-buffering debug output stream. By default it
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simply passes output to errs(). If -debug-buffer-size=N is set N > 0,
dbgs() buffers its output until program termination and dumps the last N
characters sent to it. This is handy when debugging very large inputs.
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@92002 91177308-0d34-0410-b5e6-96231b3b80d8
2009-12-23 16:39:06 +00:00
David Greene
e59011e7d9
Add circular_raw_ostream, which buffers its output in a circular queue
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and outputs it when explicitly flushed. The intent is to use it in
situations such as debug output logging where a signal handler can take
care of flushing the buffer at program termination.
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@92001 91177308-0d34-0410-b5e6-96231b3b80d8
2009-12-23 16:08:15 +00:00
Sanjiv Gupta
76d2f9a4db
Reapply 91904.
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git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@91996 91177308-0d34-0410-b5e6-96231b3b80d8
2009-12-23 11:19:09 +00:00
Sanjiv Gupta
7fb0ead091
Added missing patterns for subtract instruction.
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git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@91995 91177308-0d34-0410-b5e6-96231b3b80d8
2009-12-23 10:56:02 +00:00
Sanjiv Gupta
6d48855a56
Reverting back 91904.
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git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@91993 91177308-0d34-0410-b5e6-96231b3b80d8
2009-12-23 09:46:01 +00:00
Dale Johannesen
9949933d6e
Use more sensible type for flags in asms. PR 5570.
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Patch by Sylve`re Teissier (sorry, ASCII only).
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@91988 91177308-0d34-0410-b5e6-96231b3b80d8
2009-12-23 07:32:51 +00:00
Eric Christopher
d060b2576a
Update objectsize intrinsic and associated dependencies. Fix
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lowering code and update testcases.
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@91979 91177308-0d34-0410-b5e6-96231b3b80d8
2009-12-23 02:51:48 +00:00
Chris Lattner
ac105c4dca
really remove the instruction, don't just comment it out
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git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@91976 91177308-0d34-0410-b5e6-96231b3b80d8
2009-12-23 01:46:40 +00:00
Chris Lattner
9e3238303c
completely eliminate the MOV16r0 'instruction'. The only
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interesting part of this is the divrem changes, which are
already tested by CodeGen/X86/divrem.ll.
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@91975 91177308-0d34-0410-b5e6-96231b3b80d8
2009-12-23 01:45:04 +00:00
Sean Callanan
5227cc89f4
More fixes for Visual C++. Replaced several very small
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static inline functions with macros.
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@91973 91177308-0d34-0410-b5e6-96231b3b80d8
2009-12-23 01:32:29 +00:00
Chris Lattner
6a38182471
stop pattern matching 16-bit zero's of a register to MOV16r0,
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instead use the appropriate subreggy thing. This generates identical
code on some large apps (thanks to Evan's cross class coalescing
stuff he did back in july). This means that MOV16r0 can go away
completely in the future soon.
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@91972 91177308-0d34-0410-b5e6-96231b3b80d8
2009-12-23 01:30:26 +00:00
Bill Wendling
0d58013c3f
Remove superfluous SDNode ordering.
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git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@91971 91177308-0d34-0410-b5e6-96231b3b80d8
2009-12-23 01:28:19 +00:00
Bill Wendling
fc67bbe7bc
Remove node ordering from inline asm nodes. It's not needed.
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git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@91961 91177308-0d34-0410-b5e6-96231b3b80d8
2009-12-23 00:47:20 +00:00
Bill Wendling
c1d3c944ab
Remove node ordering from VA nodes. It's not needed.
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git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@91958 91177308-0d34-0410-b5e6-96231b3b80d8
2009-12-23 00:44:51 +00:00
Bill Wendling
775db97a50
Revert r91949 r91942 and r91936.
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git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@91953 91177308-0d34-0410-b5e6-96231b3b80d8
2009-12-23 00:28:23 +00:00
Bill Wendling
122d06de74
Finish up node ordering in ExpandNode.
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git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@91949 91177308-0d34-0410-b5e6-96231b3b80d8
2009-12-23 00:05:09 +00:00
Jakob Stoklund Olesen
4b6677f1c6
Add coalescer asserts.
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git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@91945 91177308-0d34-0410-b5e6-96231b3b80d8
2009-12-22 23:54:54 +00:00
Jakob Stoklund Olesen
24b34f8f3e
Add a SPR register class to the ARM target.
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Certain Thumb instructions require only SP (e.g. tSTRspi).
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@91944 91177308-0d34-0410-b5e6-96231b3b80d8
2009-12-22 23:54:44 +00:00
Jeffrey Yasskin
c5818fb837
Partially revert r91626. Materializing extra functions to determine whether
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they're available_externally broke VMKit, which was relying on the fact that
functions would only be materialized when they were first called. We'll have
to wait for http://llvm.org/PR5737 to really fix this.
I also added a test for one of the F->isDeclaration() calls which wasn't
covered by anything else in the test suite.
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@91943 91177308-0d34-0410-b5e6-96231b3b80d8
2009-12-22 23:47:23 +00:00
Bill Wendling
3dbcb55b40
Assign ordering to nodes created in ExpandNode. Only roughly 1/2 of the function
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is finished.
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@91942 91177308-0d34-0410-b5e6-96231b3b80d8
2009-12-22 23:44:56 +00:00
Jeffrey Yasskin
92fdf4537b
Fix a crash in JIT::recompileAndRelinkFunction(). It doesn't pass the MCI
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argument to runJITOnFunction(), which caused a null pointer dereference at
every call.
Patch by Gianluca Guida!
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@91939 91177308-0d34-0410-b5e6-96231b3b80d8
2009-12-22 23:18:18 +00:00
Bill Wendling
167bea71a4
Assign ordering to SDNodes in PromoteNode. Also fixing a subtle bug where BSWAP
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was using "Tmp1" in the first getNode call instead of Node->getOperand(0).
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@91936 91177308-0d34-0410-b5e6-96231b3b80d8
2009-12-22 22:53:39 +00:00
Sean Callanan
542eabcba6
Removed the "inline" keyword from the disassembler decoder,
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because the Visual C++ build does not build .c files as C99
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@91935 91177308-0d34-0410-b5e6-96231b3b80d8
2009-12-22 22:51:40 +00:00
Jakob Stoklund Olesen
18ea3a1551
Remove minimal CFG sanity checks from verifier.
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These checks would often trigger on unreachable statements inserted by
bugpoint, leading it astray.
It would be nice if we could distinguish unreachable blocks from errors.
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@91923 91177308-0d34-0410-b5e6-96231b3b80d8
2009-12-22 21:52:27 +00:00
Jakob Stoklund Olesen
5711564b09
Allow explicit %reg0 operands beyond what the .td file describes.
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ARM uses these to indicate predicates.
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@91922 91177308-0d34-0410-b5e6-96231b3b80d8
2009-12-22 21:48:20 +00:00
Bill Wendling
3ea58b6d7a
Allow 0 as an order number. Don't assign an order to formal arguments.
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git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@91920 91177308-0d34-0410-b5e6-96231b3b80d8
2009-12-22 21:35:02 +00:00
Sean Callanan
7fb35a2fd8
Fixes to the X86 disassembler:
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Made LEA memory operands emit only 4 MCInst operands.
Made the scale operand equal 1 for instructions that have no
SIB byte.
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@91919 91177308-0d34-0410-b5e6-96231b3b80d8
2009-12-22 21:12:55 +00:00
Chris Lattner
aadadb3973
Fix the Convert to scalar to not insert dead loads in the store case. The
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load is needed when we have a small store into a large alloca (at which
point we get a load/insert/store sequence), but when you do a full-sized
store, this load ends up being dead.
This dead load is bad in really large nasty testcases where the load ends
up causing mem2reg to insert large chains of dependent phi nodes which only
ADCE can delete. Instead of doing this, just don't insert the dead load.
This fixes rdar://6864035
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@91917 91177308-0d34-0410-b5e6-96231b3b80d8
2009-12-22 19:33:28 +00:00
Chris Lattner
97eee027f9
fix some fixme's by using twines
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git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@91916 91177308-0d34-0410-b5e6-96231b3b80d8
2009-12-22 19:23:33 +00:00
Jakob Stoklund Olesen
e9912dc553
Use proper move instructions. Make the verifier happy.
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git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@91914 91177308-0d34-0410-b5e6-96231b3b80d8
2009-12-22 18:49:55 +00:00
Bob Wilson
e261b0c90b
Report an error for bad inline assembly, where the value passed for an
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"indirect" operand is not a pointer.
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@91913 91177308-0d34-0410-b5e6-96231b3b80d8
2009-12-22 18:34:19 +00:00
Evan Cheng
b1f4981333
Remove target attribute break-sse-dep. Instead, do not fold load into sse partial update instructions unless optimizing for size.
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git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@91910 91177308-0d34-0410-b5e6-96231b3b80d8
2009-12-22 17:47:23 +00:00
Douglas Gregor
3dac3b7d23
Include based on the current path, since we already -I the X86 target's path. Fixes CMake build
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git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@91908 91177308-0d34-0410-b5e6-96231b3b80d8
2009-12-22 17:25:11 +00:00
Sanjiv Gupta
66500208a5
While converting one of the operands to a memory operand, we need to check if it is Legal and does not result into a cyclic dep.
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git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@91904 91177308-0d34-0410-b5e6-96231b3b80d8
2009-12-22 14:25:37 +00:00
Bob Wilson
f27a4cd783
Generalize SROA to allow the first index of a GEP to be non-zero. Add a
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missing check that an array reference doesn't go past the end of the array,
and remove some redundant checks for in-bound array and vector references
that are no longer needed.
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@91897 91177308-0d34-0410-b5e6-96231b3b80d8
2009-12-22 06:57:14 +00:00
Chris Lattner
1a0e7081c3
Implement PR5795 by merging duplicated return blocks. This could go further
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by merging all returns in a function into a single one, but simplifycfg
currently likes to duplicate the return (an unfortunate choice!)
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@91890 91177308-0d34-0410-b5e6-96231b3b80d8
2009-12-22 06:07:30 +00:00
Chris Lattner
0ee443d169
The phi translated pointer can be computed when returning a partially cached result
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instead of stored. This reduces memdep memory usage, and also eliminates a bunch of
weakvh's. This speeds up gvn on gcc.c-torture/20001226-1.c from 23.9s to 8.45s (2.8x)
on a different machine than earlier.
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@91885 91177308-0d34-0410-b5e6-96231b3b80d8
2009-12-22 04:25:02 +00:00
Bill Wendling
3ea3c24619
Add more plumbing. This time in the LowerArguments and "get" functions which
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return partial registers. This affected the back-end lowering code some.
Also patch up some places I missed before in the "get" functions.
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@91880 91177308-0d34-0410-b5e6-96231b3b80d8
2009-12-22 02:10:19 +00:00
Sean Callanan
06b766d1c0
Changed REG_* to MODRM_REG_* to avoid conflicts
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with symbols in AuroraUX's global namespace.
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@91879 91177308-0d34-0410-b5e6-96231b3b80d8
2009-12-22 02:07:42 +00:00
Daniel Dunbar
baf2e35e18
Fix some may-be-uninitialized var warnings.
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git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@91878 91177308-0d34-0410-b5e6-96231b3b80d8
2009-12-22 01:41:37 +00:00
Bill Wendling
651ad13d3c
Add SDNode ordering to inlined asm and VA functions.
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git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@91876 91177308-0d34-0410-b5e6-96231b3b80d8
2009-12-22 01:25:10 +00:00
Eric Christopher
f734be2ba4
Whitespace fixes.
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git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@91875 91177308-0d34-0410-b5e6-96231b3b80d8
2009-12-22 01:23:51 +00:00
Bill Wendling
ec72e32fb0
Adding more assignment of ordering to SDNodes. This time in the "call" and
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generic copy functions.
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@91872 91177308-0d34-0410-b5e6-96231b3b80d8
2009-12-22 01:11:43 +00:00
Sean Callanan
0122c9051a
Fixed library dependencies between the X86 disassembler and
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X86 codegen that were causing circular symbol dependencies.
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@91871 91177308-0d34-0410-b5e6-96231b3b80d8
2009-12-22 01:11:26 +00:00
Chris Lattner
9b96ecaffa
avoid calling extractMallocCall when it's obvious we don't have
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a call. This speeds up memdep ~1.5%
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@91869 91177308-0d34-0410-b5e6-96231b3b80d8
2009-12-22 01:00:32 +00:00
Bill Wendling
e80ae836f2
Add ordering of SDNodes to LowerCallTo.
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git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@91866 91177308-0d34-0410-b5e6-96231b3b80d8
2009-12-22 00:50:32 +00:00
Chris Lattner
ffc0574a12
print pcrel immediates as signed values instead of unsigned so that we
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get things like this out of the disassembler:
0x100000ecb: callq -96
instead of:
0x100000ecb: callq 4294967200
rdar://7491123
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@91864 91177308-0d34-0410-b5e6-96231b3b80d8
2009-12-22 00:44:05 +00:00
Bill Wendling
d0283fa69f
Now add ordering to SDNodes created by the massive intrinsic lowering function.
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git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@91863 91177308-0d34-0410-b5e6-96231b3b80d8
2009-12-22 00:40:51 +00:00
Bill Wendling
856ff41079
To make things interesting, I added MORE code to set the ordering of
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SDNodes. This time in the load/store and limited-precision code.
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@91860 91177308-0d34-0410-b5e6-96231b3b80d8
2009-12-22 00:12:37 +00:00
Lang Hames
74ab5eeffb
Changed slot index ranges for MachineBasicBlocks to be exclusive of endpoint.
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This fixes an in-place update bug where code inserted at the end of basic blocks may not be covered by existing intervals which were live across the entire block. It is also consistent with the way ranges are specified for live intervals.
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@91859 91177308-0d34-0410-b5e6-96231b3b80d8
2009-12-22 00:11:50 +00:00
Bill Wendling
87710f04e5
Add more plumbing to assign ordering to SDNodes. Have the "getValue" method
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assign the ordering when called. Combine some of the ordering assignments to
keep things simple.
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@91857 91177308-0d34-0410-b5e6-96231b3b80d8
2009-12-21 23:47:40 +00:00
Daniel Dunbar
eddfaaf07e
Add suggested parentheses.
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git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@91853 91177308-0d34-0410-b5e6-96231b3b80d8
2009-12-21 23:27:57 +00:00
Chris Lattner
d2191e549b
Add a fastpath to Load GVN to special case when we have exactly one dominating
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load to avoid even messing around with SSAUpdate at all. In this case (which
is very common, we can just use the input value directly).
This speeds up GVN time on gcc.c-torture/20001226-1.c from 36.4s to 16.3s,
which still isn't great, but substantially better and this is a simple speedup
that applies to lots of different cases.
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@91851 91177308-0d34-0410-b5e6-96231b3b80d8
2009-12-21 23:15:48 +00:00
Bill Wendling
e1a9042041
More ordering plumbing. This time for GEP. I need to remember to assign
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orderings to values returned by getValue().
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@91850 91177308-0d34-0410-b5e6-96231b3b80d8
2009-12-21 23:10:19 +00:00
Chris Lattner
5362c545e8
refactor some code out to a new helper method.
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git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@91849 91177308-0d34-0410-b5e6-96231b3b80d8
2009-12-21 23:04:33 +00:00
Chris Lattner
25bceead50
improve indentation avoid a pointless conversion from weakvh to trackingvh,
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no functionality change.
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@91848 91177308-0d34-0410-b5e6-96231b3b80d8
2009-12-21 22:43:03 +00:00
Bill Wendling
b85b6e8882
Another incremental check-in for assigning ordering to SDNodes. This time for
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shuffle and insert vector.
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@91847 91177308-0d34-0410-b5e6-96231b3b80d8
2009-12-21 22:42:14 +00:00
Bill Wendling
49fcff8a5d
Assign ordering to more instructions. Incremental check-in.
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git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@91846 91177308-0d34-0410-b5e6-96231b3b80d8
2009-12-21 22:30:11 +00:00
Bill Wendling
0777e92721
- Add a bit more plumbing assigning an order to SDNodes.
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- Modify the "dump" method to emit the order of an SDNode.
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@91845 91177308-0d34-0410-b5e6-96231b3b80d8
2009-12-21 21:59:52 +00:00
Anton Korobeynikov
7058f9c114
Mark FPW as allocable when frame address is taken.
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git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@91841 91177308-0d34-0410-b5e6-96231b3b80d8
2009-12-21 20:18:49 +00:00
Bill Wendling
3b7a41ce90
First wave of plumbing for assigning an ordering to SDNodes. This takes care of
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a lot of the branching instructions.
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@91838 91177308-0d34-0410-b5e6-96231b3b80d8
2009-12-21 19:59:38 +00:00
Evan Cheng
102ebf16b6
Delete the instruction just before the function terminates for consistency sake.
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git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@91836 91177308-0d34-0410-b5e6-96231b3b80d8
2009-12-21 19:53:39 +00:00
Bill Wendling
e36025ec18
Place SDNodeOrdering.h in the directory it's used.
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git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@91834 91177308-0d34-0410-b5e6-96231b3b80d8
2009-12-21 19:34:59 +00:00
Bob Wilson
3c3af5d155
Remove special-case SROA optimization of variable indexes to one-element and
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two-element arrays. After restructuring the SROA code, it was not safe to
do this without adding more checking. It is not clear that this special-case
has really been useful, and removing this simplifies the code quite a bit.
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@91828 91177308-0d34-0410-b5e6-96231b3b80d8
2009-12-21 18:39:47 +00:00
Eric Christopher
f4f43cb501
Fix setting and default setting of code model for jit. Do this
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by allowing backends to override routines that will default
the JIT and Static code generation to an appropriate code model
for the architecture.
Should fix PR 5773.
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@91824 91177308-0d34-0410-b5e6-96231b3b80d8
2009-12-21 08:15:29 +00:00
Eli Friedman
1f1b0f748d
A couple minor README updates.
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git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@91823 91177308-0d34-0410-b5e6-96231b3b80d8
2009-12-21 08:03:16 +00:00
Chris Lattner
3cf4d90f3d
revert r89298, which was committed without a testcase. I think
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the underlying PHI node insertion issue in SSAUpdate is fixed.
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@91821 91177308-0d34-0410-b5e6-96231b3b80d8
2009-12-21 07:45:57 +00:00
Chris Lattner
4c1e3da0cd
fix PR5837 by having SSAUpdate reuse phi nodes for the
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'GetValueInMiddleOfBlock' case, instead of inserting
duplicates.
A similar fix is almost certainly needed by the machine-level
SSAUpdate implementation.
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@91820 91177308-0d34-0410-b5e6-96231b3b80d8
2009-12-21 07:16:11 +00:00
Chris Lattner
b109b5c148
give instcombine some helper functions for matching MIN and MAX, and
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implement some optimizations for MIN(MIN()) and MAX(MAX()) and
MIN(MAX()) etc. This substantially improves the code in PR5822 but
doesn't kick in much elsewhere. 2 max's were optimized in
pairlocalalign and one in smg2000.
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@91814 91177308-0d34-0410-b5e6-96231b3b80d8
2009-12-21 06:03:05 +00:00
Chris Lattner
3bf6815556
enhance x-(-A) -> x+A to preserve NUW/NSW.
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Use the presence of NSW/NUW to fold "icmp (x+cst), x" to a constant in
cases where it would otherwise be undefined behavior.
Surprisingly (to me at least), this triggers hundreds of the times in
a few benchmarks: lencode, ldecode, and 466.h264ref seem to *really*
like this.
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@91812 91177308-0d34-0410-b5e6-96231b3b80d8
2009-12-21 04:04:05 +00:00
Chris Lattner
2799bafb98
Optimize all cases of "icmp (X+Cst), X" to something simpler. This triggers
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a bunch in lencode, ldecod, spass, 176.gcc, 252.eon, among others. It is
also the first part of PR5822
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@91811 91177308-0d34-0410-b5e6-96231b3b80d8
2009-12-21 03:19:28 +00:00
Chris Lattner
f648125be9
fix an overly conservative caching issue that caused memdep to
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cache a pointer as being unavailable due to phi trans in the
wrong place. This would cause later queries to fail even when
they didn't involve phi trans.
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@91787 91177308-0d34-0410-b5e6-96231b3b80d8
2009-12-19 21:29:22 +00:00
Daniel Dunbar
d4f84dadda
Remove unused variable (noticed by clang++).
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git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@91780 91177308-0d34-0410-b5e6-96231b3b80d8
2009-12-19 18:58:49 +00:00
Daniel Dunbar
c814346c9d
#if 0 out X86 disassembler for now, it is breaking the build in multiple places.
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git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@91778 91177308-0d34-0410-b5e6-96231b3b80d8
2009-12-19 17:11:53 +00:00
Sanjiv Gupta
bcfd12a234
Emit direction operand in binary insns that stores in memory.
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git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@91777 91177308-0d34-0410-b5e6-96231b3b80d8
2009-12-19 13:52:01 +00:00
Nuno Lopes
392bbd99b6
rename dprintf to dbgpritnf, in order to fix build with glibc (which already defines dprintf in stdio.h
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git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@91775 91177308-0d34-0410-b5e6-96231b3b80d8
2009-12-19 12:07:00 +00:00
Sanjiv Gupta
08bd440bca
1. In indirect load/store insns , the name of fsr should be emitted as INDF.
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2. include standard asmbly headers in generated asmbly.
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@91768 91177308-0d34-0410-b5e6-96231b3b80d8
2009-12-19 08:26:25 +00:00
Douglas Gregor
cabdd7425d
Fix a bunch of little errors that Clang complains about when its being pedantic
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git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@91764 91177308-0d34-0410-b5e6-96231b3b80d8
2009-12-19 07:05:23 +00:00
Chris Lattner
0ebc6ce974
fix PR5827 by disabling the phi slicing transformation in a case
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where instcombine would have to split a critical edge due to a
phi node of an invoke. Since instcombine can't change the CFG,
it has to bail out from doing the transformation.
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@91763 91177308-0d34-0410-b5e6-96231b3b80d8
2009-12-19 07:01:15 +00:00
Bob Wilson
e88728d757
Update my SROA changes in response to review.
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* change FindElementAndOffset to return a uint64_t instead of unsigned, and
to identify the type to be used for that result in a GEP instruction.
* move "isa<ConstantInt>" to be first in conditional.
* replace some dyn_casts with casts.
* add a comment about handling mem intrinsics.
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@91762 91177308-0d34-0410-b5e6-96231b3b80d8
2009-12-19 06:53:17 +00:00
Daniel Dunbar
71f842d7c1
Use memset instead of bzero, its more portable.
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git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@91754 91177308-0d34-0410-b5e6-96231b3b80d8
2009-12-19 03:31:50 +00:00
Sean Callanan
8ed9f51663
Table-driven disassembler for the X86 architecture (16-, 32-, and 64-bit
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incarnations), integrated into the MC framework.
The disassembler is table-driven, using a custom TableGen backend to
generate hierarchical tables optimized for fast decode. The disassembler
consumes MemoryObjects and produces arrays of MCInsts, adhering to the
abstract base class MCDisassembler (llvm/MC/MCDisassembler.h).
The disassembler is documented in detail in
- lib/Target/X86/Disassembler/X86Disassembler.cpp (disassembler runtime)
- utils/TableGen/DisassemblerEmitter.cpp (table emitter)
You can test the disassembler by running llvm-mc -disassemble for i386
or x86_64 targets. Please let me know if you encounter any problems
with it.
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@91749 91177308-0d34-0410-b5e6-96231b3b80d8
2009-12-19 02:59:52 +00:00
Anton Korobeynikov
e9ec6ad1ba
Bump alignment requirements for windows targets to achieve compartibility with vcpp.
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Based on patch by Michael Beck!
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@91745 91177308-0d34-0410-b5e6-96231b3b80d8
2009-12-19 02:04:23 +00:00
Anton Korobeynikov
cc62c3c928
Use 4-arg getVTList) variant instead of generic one, when possible
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git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@91744 91177308-0d34-0410-b5e6-96231b3b80d8
2009-12-19 02:04:00 +00:00
Dan Gohman
355b4f3c19
Fix a spello in a comment that Nick spotted.
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git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@91742 91177308-0d34-0410-b5e6-96231b3b80d8
2009-12-19 01:46:34 +00:00
Chris Lattner
cd0129f5a6
Make some methods const. The only interesting change here is that
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it changes raw_fd_ostream::preferred_buffer_size to return zero on
a scary stat failure instead of setting the stream to an error state.
This method really should not mutate the stream.
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@91740 91177308-0d34-0410-b5e6-96231b3b80d8
2009-12-19 01:38:42 +00:00