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Author SHA1 Message Date
Owen Anderson
d2cc2655af Don't remove volatile loads. Thanks to Duncan for noticing this one. 
llvm-svn: 54144
 2008-07-28 20:52:42 +00:00
Bill Wendling
db7e5da90e Remove extra lines 
llvm-svn: 54143
 2008-07-28 20:50:25 +00:00
Bruno Cardoso Lopes
4223351620 Disable gp_rel relocation for constant pools access for now. 
llvm-svn: 54142
 2008-07-28 19:26:25 +00:00
Duncan Sands
3df25c8758 Since build_vector is a variadic node, the number 
of operands should be -1 not 0.

llvm-svn: 54141
 2008-07-28 19:17:21 +00:00
Bruno Cardoso Lopes
67af9a72f4 Added floating point lowering for setcc and brcond. 
Fixed COMM asm directive usage.
ConstantPool using custom FourByteConstantSection.

llvm-svn: 54139
 2008-07-28 19:11:24 +00:00
Duncan Sands
ac8ddfc48d Test this differently: I saw this test fail 
because opt exited while llvm-as was still
writing to the pipe, causing it to get a
SIGPIPE.  It seems best to change things to
avoid the race altogether.

llvm-svn: 54138
 2008-07-28 19:09:01 +00:00
Bill Wendling
3a37809823 Don't build with 4.0. 
llvm-svn: 54137
 2008-07-28 18:45:36 +00:00
Dan Gohman
f6391108c6 Fix a typo in a comment. 
llvm-svn: 54136
 2008-07-28 18:43:51 +00:00
Dan Gohman
f8f44b4837 Reword a comment to be less ambiguous. 
llvm-svn: 54135
 2008-07-28 18:42:57 +00:00
Dan Gohman
415d5069f4 Fix a bashism in TestRunner.sh. 
llvm-svn: 54134
 2008-07-28 18:41:03 +00:00
Owen Anderson
4d84a90fa9 Add support for eliminating stores that store the same value that was just loaded. 
This fixes PR2599.

llvm-svn: 54133
 2008-07-28 16:14:26 +00:00
Owen Anderson
23a7866a06 Fix a subtle bug when removing instructions from memdep. In very specific 
circumstances we could end up remapping a dependee to the same instruction 
that we're trying to remove.  Handle this properly by just falling back to
a conservative solution.

llvm-svn: 54132
 2008-07-28 16:00:58 +00:00
Bill Wendling
86c1243f5e Remove <iostream> include. 
llvm-svn: 54131
 2008-07-27 23:18:30 +00:00
Dan Gohman
7ae5bf35a2 Don't use reinterpret_cast when it isn't needed. 
llvm-svn: 54130
 2008-07-27 23:12:19 +00:00
Dan Gohman
6bfdeb2ed1 Make the ScheduleDAG's GraphRoot edge be blue and dashed too, like 
the SelectionDAG's.

llvm-svn: 54129
 2008-07-27 22:46:49 +00:00
Dan Gohman
9742f7772d Rename SDOperand to SDValue. 
llvm-svn: 54128
 2008-07-27 21:46:04 +00:00
Dan Gohman
47c5cdbc34 Tidy SDNode::use_iterator, and complete the transition to have it 
parallel its analogue, Value::value_use_iterator. The operator* method
now returns the user, rather than the use.

llvm-svn: 54127
 2008-07-27 20:43:25 +00:00
Dan Gohman
a5a50a8853 Fix embedded CRLF characters. 
llvm-svn: 54125
 2008-07-27 18:37:58 +00:00
Dan Gohman
2a0bc8f6e1 Rename isOnlyUseOf to isOnlyUserOf. 
llvm-svn: 54124
 2008-07-27 18:06:42 +00:00
Dan Gohman
bdbaf4d128 Improve comments for SDNode use-count methods. No functionality change. 
llvm-svn: 54123
 2008-07-27 17:44:52 +00:00
Duncan Sands
545c21768f Some binary operations were being treated as 
unary operations!  Add support for softening
some additional unary operations like fp_to_sint.

llvm-svn: 54122
 2008-07-27 12:28:43 +00:00
Owen Anderson
25a3bf3f0e Fix the issues originally addressed in r54070. After thinking about it some more, I realized that the right thing to do 
is to have StrongPHIElimination use its knowledge of the PHIs before they're erased to update the intervals appropriate.  This is
both simpler and more accurate than the alternative, which was having LIA figure it out when it renumbered things, plus it's just
the right thing to do!

llvm-svn: 54077
 2008-07-25 23:38:08 +00:00
Owen Anderson
8f9ab550a2 Revert my previous patch. In retrospect, this is completely the wrong way to fix this problem. 
llvm-svn: 54072
 2008-07-25 23:06:59 +00:00
Owen Anderson
9408721750 Special cases are needed in renumbering when dealing with renumbering after a PHI has been removed. The interval previously defined 
by the PHI needs to be extended to the beginning of its basic block, and the intervals that were inputs need to be trimmed to the end 
of their basic blocks.

llvm-svn: 54070
 2008-07-25 22:32:01 +00:00
Owen Anderson
9e3ea5a60c In order to avoid reprocessing a register more than once, we need to add it 
to the handled set so it will get filtered out in future iterations.

llvm-svn: 54065
 2008-07-25 21:35:43 +00:00
Owen Anderson
987bd1dc5b Remove live interval entries for an interval if we're eliminating its only VN. 
llvm-svn: 54062
 2008-07-25 21:08:41 +00:00
Owen Anderson
fe97082ddd Properly remap live ranges whose end indices are the end of the function. 
llvm-svn: 54061
 2008-07-25 21:07:13 +00:00
Dan Gohman
c28f2265a4 Rename the version of CreateRet that's a convenience method for creating 
multiple-valued return values, so that the name CreateRet is just for
creating plain ret statements.

llvm-svn: 54053
 2008-07-25 20:36:15 +00:00
Owen Anderson
cefa4df4c1 Make the remapping of interval indices (particularly ending indices) more robust. 
This is tricky business, and will probably take a few more iterations to get
the last kinks out of it.

llvm-svn: 54043
 2008-07-25 19:50:48 +00:00
Duncan Sands
46a694af35 Fix error: ‘std::ostream’ has not been declared 
when compiling with gcc 4.3.

llvm-svn: 54041
 2008-07-25 19:29:14 +00:00
Nate Begeman
1396e3d206 Fix test RUN line 
llvm-svn: 54040
 2008-07-25 19:08:59 +00:00
Nate Begeman
5523d40e4b Disable mov{L, LP, HP, HLP, *DUP} shuffles for mmx 
mmx needs its own fancy shuffle logic based on unpack; for now we get correct but awful code.

Also commit Mon Ping's VSETCC patch

llvm-svn: 54039
 2008-07-25 19:05:58 +00:00
Nate Begeman
a6cdff50b0 Remove unnecessary implicit argument 
llvm-svn: 54031
 2008-07-25 17:56:27 +00:00
Nate Begeman
ce064348d9 Fix minor issues with VICmp/VFCmp constant expressions 
llvm-svn: 54030
 2008-07-25 17:35:37 +00:00
Nate Begeman
730880eec2 Fit in 80 cols 
llvm-svn: 54029
 2008-07-25 17:34:41 +00:00
Nate Begeman
8c76bda987 Allow verifier to be run on partially materialized modules. 
llvm-svn: 54028
 2008-07-25 17:28:23 +00:00
Nate Begeman
8757bedd41 Add predicate for GhostLinkage, used by the JIT 
llvm-svn: 54027
 2008-07-25 17:26:48 +00:00
Nate Begeman
73efed7a4c Remove dead PatLeaf; there are a number of issues around MMX movl that need to be fixed. 
llvm-svn: 54026
 2008-07-25 17:25:04 +00:00
Nate Begeman
d340dc3fab Tab removal 
llvm-svn: 54025
 2008-07-25 17:24:13 +00:00
Dan Gohman
1c8549fd7f Add a #include for the uses of uint64_t. 
llvm-svn: 54016
 2008-07-25 15:39:12 +00:00
Dan Gohman
6d394147f2 This test needs -aggressive-remat enabled. 
llvm-svn: 54015
 2008-07-25 15:25:32 +00:00
Dan Gohman
25c825ede1 Disable the new aggressive remat logic introduced in 54000; it causes some 
regressions, such as PR2595. Also, there is a significant code-quality
issue in SPEC 464.h264ref and a few others.

llvm-svn: 54014
 2008-07-25 15:08:37 +00:00
Mon P Wang
0fba42aefd When splitting a vector shuffle, fixed which type we used for the hi part 
llvm-svn: 54007
 2008-07-25 01:30:26 +00:00
Evan Cheng
d4eb684258 Teach ARM isLegalAddressingMode to handle unknown type without crashing. This fixes pr2589. 
llvm-svn: 54004
 2008-07-25 00:55:17 +00:00
Dan Gohman
3ede9e57a2 Add a #include <cassert>, since this file use assert. 
llvm-svn: 54003
 2008-07-25 00:44:19 +00:00
Dan Gohman
11a4531b1b Apply a patch from Mahadevan R, with minor formatting changes, to 
workaround a GCC 3.3 bug observed on OpenBSD.

llvm-svn: 54002
 2008-07-25 00:36:05 +00:00
Dan Gohman
68487f0859 Use AliasAnalysis::pointsToConstantMemory in SDISel to avoid unnecessary 
dependencies with constant load nodes. This allows them to be scheduled
freely.

llvm-svn: 54001
 2008-07-25 00:04:14 +00:00
Dan Gohman
680e1bd958 Enable rematerialization of constants using AliasAnalysis::pointsToConstantMemory, 
and knowledge of PseudoSourceValues. This unfortunately isn't sufficient to allow
constants to be rematerialized in PIC mode -- the extra indirection is a
complication.

llvm-svn: 54000
 2008-07-25 00:02:30 +00:00
Dan Gohman
1ecbcecdf3 Put the LICM of constant GlobalVariables, introduced in r53945, under a 
command-line option, and disable it by default. It introduced performance
regressions because CodeGen is currently not able to remat such loads.

llvm-svn: 53997
 2008-07-24 23:57:25 +00:00
Dan Gohman
da5c2b50b8 Add target triples so these tests behave as expected on non-darwin hosts. 
llvm-svn: 53991
 2008-07-24 18:08:01 +00:00