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Author SHA1 Message Date
Chris Lattner
5ad69fe4b6 finally remove the immAllOnesV_bc/immAllZerosV_bc patterns 
and those derived from them.  These are obnoxious because
they were written as: PatLeaf<(bitconvert).  Not having an
argument was foiling adding better type checking for operand
count matching up with what was required (in this case,
bitconvert always requires an operand!)

llvm-svn: 99759
 2010-03-28 08:43:23 +00:00
Chris Lattner
e522e8f94e remove a pattern with no testcase that doesn't appear to be 
matchable: it seems like it would always constant fold.

llvm-svn: 99758
 2010-03-28 08:40:48 +00:00
Chris Lattner
7f2800ea6c fix integer negates to use the proper type for the zero vectors, 
this also depends on the new "bitconvert dropping" behavior just
added to tblgen.

llvm-svn: 99757
 2010-03-28 08:39:10 +00:00
Chris Lattner
e04fb0a1a7 teach tblgen to allow patterns like (add (i32 (bitconvert (i32 GPR))), 4), 
transforming it into (add (i32 GPR), 4).  This allows us to write type
generic multi patterns and have tblgen automatically drop the bitconvert
in the case when the types align.  This allows us to fold an extra load
in the changed testcase.

llvm-svn: 99756
 2010-03-28 08:38:32 +00:00
Chris Lattner
0530bbf7ea fix a typo, bitconvert from node to itself isn't valid. 
llvm-svn: 99755
 2010-03-28 08:36:45 +00:00
Chris Lattner
36a0df5c96 fix vnot matching to explicitly specify the type of the 
input to be v8i8 or v16i8, which buildvectors get canonicalized to.

This allows the patterns that were previously using a bare 'vnot' to
match, before they couldn't.

llvm-svn: 99754
 2010-03-28 08:08:07 +00:00
Chris Lattner
167d09c397 fix up vnot matching, eliminating a dead pattern, correcting a couple of 
patterns that would never match because of bitcast, and eliminating use
of vnot_conv.

llvm-svn: 99753
 2010-03-28 08:00:23 +00:00
Chris Lattner
1a838000ec add some nounwinds 
llvm-svn: 99752
 2010-03-28 07:58:37 +00:00
Chris Lattner
de8b42ce67 this takes an insane amount of time to run, disable it for now (PR6727) 
llvm-svn: 99751
 2010-03-28 07:58:09 +00:00
Chris Lattner
ac16bb9827 stop using vnot_conv 
llvm-svn: 99750
 2010-03-28 07:48:17 +00:00
Chris Lattner
22c84d79fa revert r99743, this is saying that the repmovs instructinos have an 
*input* of other type, which is the VT. 

llvm-svn: 99749
 2010-03-28 07:38:39 +00:00
Chris Lattner
59eebcbbde remove a bunch of dead patterns. 
llvm-svn: 99748
 2010-03-28 07:38:00 +00:00
Chris Lattner
af75e6a61f validate that input sdnodes don't exist in an output pattern. 
llvm-svn: 99747
 2010-03-28 06:57:56 +00:00
Chris Lattner
5bb82e570e eliminate a bunch of code duplication in ParseTreePattern 
by rotating it.

llvm-svn: 99746
 2010-03-28 06:50:34 +00:00
Chris Lattner
34f0260096 add some node definitions. 
llvm-svn: 99745
 2010-03-28 06:16:41 +00:00
Chris Lattner
7c35e259aa SDTCisVT<0, isVoid> is not valid, reject it. 
llvm-svn: 99744
 2010-03-28 06:04:39 +00:00
Chris Lattner
941ab0b2d5 claiming to return other is pointless. 
llvm-svn: 99743
 2010-03-28 05:57:36 +00:00
Chris Lattner
78dc3c322f comply with the wishes of a fixme. 
llvm-svn: 99742
 2010-03-28 05:55:17 +00:00
Chris Lattner
918dd19018 now that (parallel) is gone and a variety of bugs in targets 
are cleaned up, we can remove an old fixme.

llvm-svn: 99741
 2010-03-28 05:54:03 +00:00
Chris Lattner
3f060e3216 add an optimized form of OPC_EmitMergeInputChains for the 1, 0 and 
1, 1 cases which are by-far the most frequent.  This shrinks the X86
isel table from 77014 -> 74657 bytes.

llvm-svn: 99740
 2010-03-28 05:50:16 +00:00
Chris Lattner
bacf4edba3 don't add nodes to the now-dead nodes list multiple times, this 
can cause a crash on crazy situations in msp430 when morph-node-to
is disabled.

llvm-svn: 99739
 2010-03-28 05:28:31 +00:00
Chris Lattner
4a35b78926 Improve systemz to model cmp and ucmp nodes as returning 
their flags correctly.

llvm-svn: 99738
 2010-03-28 05:21:52 +00:00
Chris Lattner
99fafcf87e the FPCmp node returns an i32. 
llvm-svn: 99737
 2010-03-28 05:12:57 +00:00
Chris Lattner
c5499723d5 fix some modelling problems exposed by a patch I'm working on. bsr/bsf/ptest 
nodes all have an EFLAGS result when made by isel lowering.

llvm-svn: 99736
 2010-03-28 05:07:17 +00:00
Chris Lattner
bb65543f01 don't add flag nodes with chain results to the NowDeadNodes 
list multiple times when MorphNodeTo can't be applied.

llvm-svn: 99735
 2010-03-28 04:54:33 +00:00
Jeffrey Yasskin
727548a580 Oops, r98447 dropped the reference to ForwardType in the wrong place in 
Type::destroy(), so it got skipped for FunctionTypes, StructTypes, and
UnionTypes.  This fixes the resulting leaks in test/Feature/opaquetypes.ll and
test/Integer/opaquetypes_bt.ll.

llvm-svn: 99732
 2010-03-28 01:03:47 +00:00
Chris Lattner
70189ff5ab fix a long standing fixme, which required fixing a bunch of other 
issues to get here.  We now trim the result type list of the
CompleteMatch or MorphNodeTo operation to be the same size as the
thing we're matching.  this means that if you match (add GPR, GPR)
with an instruction that produces a normal result and a flag that
we now trim the result in tblgen instead of having to do it 
dynamically.  This exposed a bunch of inconsistencies in result
counting that happened to be getting lucky since the days of the
old isel.

llvm-svn: 99728
 2010-03-27 20:45:15 +00:00
Chris Lattner
d6afc9e48d fix CodeGenTarget::getRegisterVTs to not return the 
same vt multiple times for a register.  For example,
ECX is in 5 different i32 reg classes, just return 
1 i32 instead of 5.

llvm-svn: 99727
 2010-03-27 20:32:26 +00:00
Chris Lattner
2ec88c02da hoist some funky logic into CodeGenInstruction 
from two places in CodeGenDAGPatterns.cpp, and
use it in DAGISelMatcherGen.cpp instead of using
an incorrect predicate that happened to get lucky
on our current targets.

llvm-svn: 99726
 2010-03-27 20:09:24 +00:00
Chris Lattner
ad983d7a8a continue pushing tblgen's support for nodes with multiple 
results forward.  We can now handle an instruction that 
produces one implicit def and one result instead of one or
the other when not at the root of the pattern.

llvm-svn: 99725
 2010-03-27 19:15:02 +00:00
Chris Lattner
85756c913d improve -debug-only=isel comments for cases when we don't enter a 
scope due to obviously false predicate.

llvm-svn: 99723
 2010-03-27 18:54:50 +00:00
Chris Lattner
30f1286d4c fix a bug in my recent patch that increased opcode size to 2 bytes: 
the index comments nested under OPC_SwitchOpcode were off by one.
This fixes the comments.

llvm-svn: 99722
 2010-03-27 18:49:33 +00:00
Chris Lattner
64d472ae54 revert r99719 which is breaking the botz. 
llvm-svn: 99721
 2010-03-27 18:01:10 +00:00
Dan Gohman
542d5a3602 Make llvm-ld remove its output files in the event of an error. 
llvm-svn: 99719
 2010-03-27 16:49:51 +00:00
Dan Gohman
d28d7ac049 Give FileRemover a default constructor to allow FileRemovers to be created 
and initialized separately.

llvm-svn: 99717
 2010-03-27 16:39:56 +00:00
Dan Gohman
4651d3f3ef No need to check the same condition twice. 
llvm-svn: 99716
 2010-03-27 16:36:08 +00:00
Dan Gohman
800d52e814 Add a comment. 
llvm-svn: 99715
 2010-03-27 16:34:32 +00:00
Dan Gohman
f8a50c52df Remove an unnecessary #include. 
llvm-svn: 99714
 2010-03-27 16:33:36 +00:00
Jeffrey Yasskin
7fb5e38134 Remove another memory leak from ABCD by using Edges by value instead of 
pointer.  There was also a SmallPtrSet whose settiness wasn't being used, so I
changed it to a SmallVector.

llvm-svn: 99713
 2010-03-27 09:09:17 +00:00
Jeffrey Yasskin
8a02134682 In ABCD, change the non-null Bound*s to Bound&s. 
llvm-svn: 99711
 2010-03-27 08:15:46 +00:00
Jeffrey Yasskin
b5e9203c58 Fix a memory leak in ABCD by giving ownership of Bound objects to the 
MemoizedResultChart.

llvm-svn: 99710
 2010-03-27 08:09:24 +00:00
Jeffrey Yasskin
92efcd5fb1 XFAIL a new tblgen test for memory leak checking. 
llvm-svn: 99707
 2010-03-27 04:59:47 +00:00
Jeffrey Yasskin
7378e4ce11 Avoid leaking the memory allocated for GlobalVariables in the interpreter, by 
freeing that memory when the GV is destroyed.

llvm-svn: 99706
 2010-03-27 04:53:56 +00:00
Bob Wilson
6d9296abc6 Fix indentation. 
llvm-svn: 99705
 2010-03-27 04:01:23 +00:00
Bob Wilson
be89c51aa3 Add a format argument to the N3V and N3VX classes, removing the N3Vf class. 
llvm-svn: 99704
 2010-03-27 03:56:52 +00:00
Chris Lattner
d2dd416772 remove parallel support. 
llvm-svn: 99703
 2010-03-27 02:53:27 +00:00
Chris Lattner
154641e2ff eliminate the last of the parallel's! 
llvm-svn: 99700
 2010-03-27 02:47:14 +00:00
Eric Christopher
cf18deaea3 When we promote a load of an argument make sure to take the alignment 
of the previous load - it's usually important.  For example, we don't want
to blindly turn an unaligned load into an aligned one.

llvm-svn: 99699
 2010-03-27 01:54:00 +00:00
Bill Wendling
3f00f8044f Forgot the part where we handle the ".llvm.eh.catch.all.value". 
llvm-svn: 99697
 2010-03-27 01:24:30 +00:00
Bill Wendling
ced10a4468 Return if we changed anything or not. 
llvm-svn: 99695
 2010-03-27 01:22:38 +00:00