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Commit Graph

41298 Commits

Author SHA1 Message Date
Evan Cheng
5a170cec33 Eliminate some unused methods.
llvm-svn: 56108
2008-09-11 17:31:47 +00:00
Evan Cheng
2d51d1299e Indentation.
llvm-svn: 56107
2008-09-11 17:31:12 +00:00
Jim Grosbach
f53af44e09 lib/Target/SubtargetFeature.cpp asserts that the FeatureKV[] table be sorted
by its first field, but TableGen doesn't actually enforce creating it that 
way. TableGen sorts the records that will be used to create it by the names 
of the records, not the Name field of those records.

This patch corrects the sort to use the "Name" field of the record as the 
sort key.

llvm-svn: 56106
2008-09-11 17:05:32 +00:00
Duncan Sands
908b7525fa Intrinsics don't read these kinds of global
variables.

llvm-svn: 56105
2008-09-11 15:43:12 +00:00
Evan Cheng
aebadcd733 Change getSubReg semantics. It now returns zero if the specified register doesn't have a subreg of the specified index.
llvm-svn: 56099
2008-09-11 06:25:25 +00:00
Evan Cheng
9de997d5de Fix a 80 column violation.
llvm-svn: 56097
2008-09-11 05:58:06 +00:00
Dale Johannesen
10e1cf3df2 The version of AtomicSDNode::AtomicSDNode used (only) for
cmp-and-swap reversed the Cmp and Swap arguments; comments
make it clear this is unintentional.  Unfortunately, the
x86 BE had a compensating reversal, which is removed here.
PPC is OK.

From inspection of the Alpha code I think it is OK, but
if somebody has that platform please check it out.  I
cannot test on that platform.

llvm-svn: 56091
2008-09-11 03:12:59 +00:00
Owen Anderson
139baa5f74 If ISD::ANY_EXTEND fails, try ISD::ZERO_EXTEND and ISD::SIGN_EXTEND before giving up. This fixes 445.gobmk on
X86-64 in fast isel.

llvm-svn: 56088
2008-09-11 02:41:37 +00:00
Dale Johannesen
8ac17c1f77 Succumb utterly to compatibility and implement
__sync_fetch_and_nand as ANDC, even though that's
not what nand means.

llvm-svn: 56087
2008-09-11 02:15:03 +00:00
Evan Cheng
b879f93ba5 Propagate subreg index when promoting a load to a copy.
llvm-svn: 56085
2008-09-11 01:02:12 +00:00
Dan Gohman
36e01356ec In my analysis for r56076 I missed the case where the original
multiplication overflows.

llvm-svn: 56082
2008-09-11 00:25:00 +00:00
Dan Gohman
ebfb483309 Fix an icmp+sdiv optimization to check for and handle an overflow
condition. This fixes PR2740.

llvm-svn: 56076
2008-09-10 23:30:57 +00:00
Dan Gohman
4646a3791e Add more documentation advertising the -view-*-dags options.
llvm-svn: 56073
2008-09-10 22:23:41 +00:00
Dan Gohman
9eca554828 X86FastISel support for double->float and float->double casts.
llvm-svn: 56070
2008-09-10 21:02:08 +00:00
Dan Gohman
ad5824104b FastISel support for i1 PHI nodes.
llvm-svn: 56069
2008-09-10 21:01:31 +00:00
Dan Gohman
5a6134a875 FastISel support for i1 constants.
llvm-svn: 56068
2008-09-10 21:01:08 +00:00
Owen Anderson
6bcc01b3eb Fix a bug in the coalescer where it didn't check if a live interval existed before trying to manipulate it. This
was exposed by fast isel's handling of shifts on X86-64.  With this, FreeBench/pcompress2 passes on X86-64 in fast isel.

llvm-svn: 56067
2008-09-10 20:41:13 +00:00
Dan Gohman
3ccdde5eef Add X86FastISel support for static allocas, and refences
to static allocas. As part of this change, refactor the
address mode code for laods and stores.

llvm-svn: 56066
2008-09-10 20:11:02 +00:00
Evan Cheng
474ba35954 Fix PR2664 - spiller GetRegForReload wasn't respecting sub-register indices on machine operands.
llvm-svn: 56065
2008-09-10 20:08:45 +00:00
Evan Cheng
83c694fbe7 Fix a fastcc + sret bug. If fastcc and sret, callee doesn't need to pop the hidden struct ptr; Re-enable fastcc.
llvm-svn: 56061
2008-09-10 18:25:29 +00:00
Dale Johannesen
3e4bbf01d0 Handle new intrinsics with vector arguments.
Patch by Paul Redmond.

llvm-svn: 56059
2008-09-10 17:31:40 +00:00
Dan Gohman
5211f1f5fc Add a break statement that I accidentally deleted when
I shuffled the fast-isel command-line options around. This fixes
a bunch of fast-isel failures.

llvm-svn: 56057
2008-09-10 15:52:34 +00:00
Devang Patel
092285d4e4 fix white spaces.
llvm-svn: 56056
2008-09-10 14:49:55 +00:00
Duncan Sands
6e9362aeaa Fix name.
llvm-svn: 56055
2008-09-10 13:22:10 +00:00
Duncan Sands
c3de6e13df Add trampoline support for the new FastCC calling
convention (not related to recent Ada testsuite
failures).

llvm-svn: 56054
2008-09-10 13:11:09 +00:00
Duncan Sands
63ef24bfb1 Turn off the new FastCC for the moment. It causes
a slew of Ada testsuite failures on x86-32 linux.
Seems to be related to the use of float.

llvm-svn: 56053
2008-09-10 13:09:24 +00:00
Bill Wendling
c7c5d73866 Remove unnecessary bit-wise AND from the limited precision work.
llvm-svn: 56049
2008-09-10 06:26:10 +00:00
Daniel Dunbar
df44fb835c Fix 80 col violation.
llvm-svn: 56048
2008-09-10 04:16:29 +00:00
Dan Gohman
3809753d3b Fix a warning about comparing signed and unsigned values.
llvm-svn: 56040
2008-09-10 01:09:32 +00:00
Evan Cheng
1ac90281be Fix typo.
llvm-svn: 56037
2008-09-10 00:30:50 +00:00
Bill Wendling
4dc9d148b5 Check that both operands are f32 before attempting to lower.
llvm-svn: 56036
2008-09-10 00:24:59 +00:00
Bill Wendling
aa39e64468 Implement "visitPow". This is mainly used to see if we have a pow() call of this
form:

          powf(10.0f, x);

If this is the case, and also we want limited precision floating-point
calculations, then lower to do the limited-precision stuff.

llvm-svn: 56035
2008-09-10 00:20:20 +00:00
Evan Cheng
150ee094e2 A few more places where FPOW is being ignored.
llvm-svn: 56032
2008-09-09 23:35:53 +00:00
Dan Gohman
5b55c46044 Change -fast-isel-no-abort to -fast-isel-abort, which now defaults
to being off by default. Also, add assertion checks to check that
the various fast-isel-related command-line options are only used
when -fast-isel itself is enabled.

llvm-svn: 56029
2008-09-09 23:05:00 +00:00
Evan Cheng
ba11945234 Legalizer was missing code that expand fpow to a libcall.
llvm-svn: 56028
2008-09-09 23:02:14 +00:00
Bill Wendling
5d6d774240 Adding 6-, 12-, and 18-bit limited-precision floating-point support for exp2
function.

llvm-svn: 56025
2008-09-09 22:39:21 +00:00
Dale Johannesen
ba2bbe0c55 Move the uglier parts of deciding not to emit a
UsedDirective for some symbols in llvm.used into
Darwin-specific code.  I've decided LessPrivateGlobal
is potentially a useful abstraction and left it in
the target-independent area, with improved comment.

llvm-svn: 56024
2008-09-09 22:29:13 +00:00
Bill Wendling
103d08d4ce Add support for 6-, 12-, and 18-bit limited precision calculations of exp for
floating-point numbers.

llvm-svn: 56023
2008-09-09 22:13:54 +00:00
Dan Gohman
7abf884d12 Fix a minor wording ambiguity in the Developer Policy.
llvm-svn: 56022
2008-09-09 22:13:09 +00:00
Dan Gohman
2799e1dc63 Add a new option, -fast-isel-verbose, that can be used with
-fast-isel-no-abort to get a dump of all unhandled instructions,
without an abort.

llvm-svn: 56021
2008-09-09 22:06:46 +00:00
Evan Cheng
f3a3ee6d01 Clear preference when it no longer makes sense.
llvm-svn: 56019
2008-09-09 21:44:23 +00:00
Devang Patel
ed0ea8049f Remove.
llvm-svn: 56018
2008-09-09 21:41:34 +00:00
Devang Patel
7365754925 if loop induction variable is always sign or zero extended then
extend the type of induction variable.

llvm-svn: 56017
2008-09-09 21:41:07 +00:00
Devang Patel
b08f098957 Add assertion check.
llvm-svn: 56016
2008-09-09 21:38:40 +00:00
Devang Patel
36ad68421e fix overflow check.
llvm-svn: 56011
2008-09-09 20:54:34 +00:00
Owen Anderson
0bdc9407ca Clean this up, based on Evan's suggestions.
llvm-svn: 56009
2008-09-09 20:47:17 +00:00
Bill Wendling
929486349f - Add support for 6-, 12-, and 18-bit limited precision floating-point "log"
values.
- Refactored some of the code.

llvm-svn: 56008
2008-09-09 20:39:27 +00:00
Evan Cheng
304fba81c9 Fix PR2757. Ignore liveinterval register allocation preference if the preference register is not in the right register class. This can happen due to sub-register coalescing.
llvm-svn: 56006
2008-09-09 20:22:01 +00:00
Anton Korobeynikov
6ad8b060d0 Make safer variant of alias resolution routine to be default
llvm-svn: 56005
2008-09-09 20:05:04 +00:00
Duncan Sands
f9234f2a22 Simplify this some more. No functionality change.
llvm-svn: 56003
2008-09-09 19:56:34 +00:00