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Author SHA1 Message Date
Evan Cheng
347a9cb507 APInt'fy TargetLowering::SimplifySetCC to fix PR5963. 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@92943 91177308-0d34-0410-b5e6-96231b3b80d8
 2010-01-07 20:58:44 +00:00
David Greene
0d2856aa19 Add some "missing" instrinsics to make the SSE intrinsic set a bit more 
orthogonal.


git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@92939 91177308-0d34-0410-b5e6-96231b3b80d8
 2010-01-07 19:47:43 +00:00
Benjamin Kramer
2e0de6f771 Simplify code. No intended functionality/performance change. 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@92938 91177308-0d34-0410-b5e6-96231b3b80d8
 2010-01-07 19:46:15 +00:00
Eric Christopher
e6c74c9c2a If the data requires a relocation then don't attempt to 
add it to the constant pool for fast-isel. We already
don't add it for the normal case.


git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@92934 91177308-0d34-0410-b5e6-96231b3b80d8
 2010-01-07 19:45:14 +00:00
Eric Christopher
a07b750405 We need to put any kind of data with a relocation into a 
not-readonly segment on darwin.


git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@92933 91177308-0d34-0410-b5e6-96231b3b80d8
 2010-01-07 19:44:05 +00:00
Devang Patel
0386f01e06 Use separate namespace for named metadata. 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@92931 91177308-0d34-0410-b5e6-96231b3b80d8
 2010-01-07 19:39:36 +00:00
Kovarththanan Rajaratnam
3c37bb8dbe Fix occurrence typo 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@92926 91177308-0d34-0410-b5e6-96231b3b80d8
 2010-01-07 18:46:52 +00:00
Chris Lattner
ddac706747 constant materialization could be improved. 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@92921 91177308-0d34-0410-b5e6-96231b3b80d8
 2010-01-07 17:53:10 +00:00
Benjamin Kramer
3d594fd299 Kill dead store. 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@92920 91177308-0d34-0410-b5e6-96231b3b80d8
 2010-01-07 17:50:57 +00:00
Benjamin Kramer
e7078aed24 Remove dead variable. 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@92919 91177308-0d34-0410-b5e6-96231b3b80d8
 2010-01-07 17:29:08 +00:00
Benjamin Kramer
7b1e2a50a5 Use pop_back_val instead of back()+pop_back. 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@92918 91177308-0d34-0410-b5e6-96231b3b80d8
 2010-01-07 17:27:56 +00:00
Benjamin Kramer
66b581ef49 Use a do-while loop instead of while + boolean. 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@92912 91177308-0d34-0410-b5e6-96231b3b80d8
 2010-01-07 13:50:07 +00:00
Duncan Sands
452394d812 Correct spelling. 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@92910 91177308-0d34-0410-b5e6-96231b3b80d8
 2010-01-07 09:05:26 +00:00
Duncan Sands
5d8ea117a0 Be less stingy as to how many selects and phi nodes we 
are prepared to look through.


git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@92898 91177308-0d34-0410-b5e6-96231b3b80d8
 2010-01-07 05:48:42 +00:00
Douglas Gregor
2772ea831c More trivial optimizations to a function well outside the critical path 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@92896 91177308-0d34-0410-b5e6-96231b3b80d8
 2010-01-07 02:24:06 +00:00
Chris Lattner
4039bd0550 handle ConstantVector while I'm in here. 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@92892 91177308-0d34-0410-b5e6-96231b3b80d8
 2010-01-07 01:20:20 +00:00
Chris Lattner
a0e9a2475c fix a globalopt crash on 'bullet' (handling evaluation of a store 
to an element of a vector in a static ctor) which occurs with an 
unrelated patch I'm testing.  Annoyingly, EvaluateStoreInto basically 
does exactly the same stuff as InsertElement constant folding, but it
now handles vectors, and you can't insertelement into a vector.  It
would be 'really nice' if GEP into a vector were not legal.


git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@92889 91177308-0d34-0410-b5e6-96231b3b80d8
 2010-01-07 01:16:21 +00:00
Evan Cheng
17751dac3e Fix a minor regression from my dag combiner changes. One more place which needs to look pass truncates. 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@92885 91177308-0d34-0410-b5e6-96231b3b80d8
 2010-01-07 00:54:06 +00:00
Douglas Gregor
ad6b6da8aa Switch StringRef::edit_distance over to using raw pointers, since both 
std::vector and llvm::SmallVector have annoying performance
tradeoffs. No, I don't expect this to matter, and now it won't.


git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@92884 91177308-0d34-0410-b5e6-96231b3b80d8
 2010-01-07 00:51:54 +00:00
Jakob Stoklund Olesen
d1862037f0 Add comments. 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@92883 91177308-0d34-0410-b5e6-96231b3b80d8
 2010-01-07 00:51:04 +00:00
Jim Grosbach
9631864688 80 column violations 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@92876 91177308-0d34-0410-b5e6-96231b3b80d8
 2010-01-06 23:54:42 +00:00
Jakob Stoklund Olesen
541e9ae3ad Allow double defs after tail duplication. 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@92874 91177308-0d34-0410-b5e6-96231b3b80d8
 2010-01-06 23:52:46 +00:00
Jakob Stoklund Olesen
30ac0467ce Add Target hook to duplicate machine instructions. 
Some instructions refer to unique labels, and so cannot be trivially cloned
with CloneMachineInstr.

git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@92873 91177308-0d34-0410-b5e6-96231b3b80d8
 2010-01-06 23:47:07 +00:00
Jim Grosbach
ce3e769c15 Addressing mode 6 (load/store) instructions can't encode an immediate offset 
for stack references.

git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@92871 91177308-0d34-0410-b5e6-96231b3b80d8
 2010-01-06 23:45:18 +00:00
Jim Grosbach
80c2b0d9ef Anti-dependency breaking needs to be careful regarding instructions with 
multiple register definitions.

git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@92864 91177308-0d34-0410-b5e6-96231b3b80d8
 2010-01-06 22:21:25 +00:00
Eric Christopher
130063207d Move the object size intrinsic optimization to inst-combine and make 
it work for any integer size return type.


git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@92853 91177308-0d34-0410-b5e6-96231b3b80d8
 2010-01-06 20:04:44 +00:00
Evan Cheng
54eb4c2991 Comment. 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@92850 91177308-0d34-0410-b5e6-96231b3b80d8
 2010-01-06 19:43:21 +00:00
Evan Cheng
d40d03e1bd Teach dag combine to fold the following transformation more aggressively: 
(OP (trunc x), (trunc y)) -> (trunc (OP x, y))

Unfortunately this simple change causes dag combine to infinite looping. The problem is the shrink demanded ops optimization tend to canonicalize expressions in the opposite manner. That is badness. This patch disable those optimizations in dag combine but instead it is done as a late pass in sdisel.

This also exposes some deficiencies in dag combine and x86 setcc / brcond lowering. Teach them to look pass ISD::TRUNCATE in various places.


git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@92849 91177308-0d34-0410-b5e6-96231b3b80d8
 2010-01-06 19:38:29 +00:00
Douglas Gregor
b419a5cfe9 Fix struct/class mismatch 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@92841 91177308-0d34-0410-b5e6-96231b3b80d8
 2010-01-06 17:16:00 +00:00
Victor Hernandez
76bf310b7a When parsing function-local metadata, create a function-local MDNode 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@92838 91177308-0d34-0410-b5e6-96231b3b80d8
 2010-01-06 17:00:21 +00:00
Jim Grosbach
2973b57093 80 column and whitespace cleanup 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@92837 91177308-0d34-0410-b5e6-96231b3b80d8
 2010-01-06 16:48:02 +00:00
Duncan Sands
e10920d678 Fix a README item: have functionattrs look through selects and 
phi nodes when deciding which pointers point to local memory.
I actually checked long ago how useful this is, and it isn't
very: it hardly ever fires in the testsuite, but since Chris
wants it here it is!


git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@92836 91177308-0d34-0410-b5e6-96231b3b80d8
 2010-01-06 15:37:47 +00:00
Mikhail Glushenkov
0ecbdeb14f Formatting. 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@92831 91177308-0d34-0410-b5e6-96231b3b80d8
 2010-01-06 09:20:39 +00:00
Lang Hames
421c0733fd Fixed malformed -*- lines in PBQP headers. 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@92830 91177308-0d34-0410-b5e6-96231b3b80d8
 2010-01-06 08:53:34 +00:00
Duncan Sands
7c422ac216 Partially address a README by having functionattrs consider calls to 
memcpy, memset and other intrinsics that only access their arguments
to be readnone if the intrinsic's arguments all point to local memory.
This improves the testcase in the README to readonly, but it could in
theory be made readnone, however this would involve more sophisticated
analysis that looks through the memcpy.


git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@92829 91177308-0d34-0410-b5e6-96231b3b80d8
 2010-01-06 08:45:52 +00:00
Duncan Sands
eaba5102e4 This is testing a darwin specific feature, so only turn 
it on for darwin (it fails on linux).


git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@92826 91177308-0d34-0410-b5e6-96231b3b80d8
 2010-01-06 05:49:26 +00:00
Chris Lattner
5c24a6da29 tweaks suggested by Duncan 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@92824 91177308-0d34-0410-b5e6-96231b3b80d8
 2010-01-06 05:32:15 +00:00
Dale Johannesen
b7339d079d Reenable debug info on PPC. Works well enough to 
bootstrap.



git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@92818 91177308-0d34-0410-b5e6-96231b3b80d8
 2010-01-06 02:21:00 +00:00
Dale Johannesen
e89c510c0a Make sure debug info hook gets called when emitting 
synonyms for PPC.



git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@92817 91177308-0d34-0410-b5e6-96231b3b80d8
 2010-01-06 02:20:18 +00:00
Chris Lattner
e0e4cc7fd5 Teach instcombine's sext elimination logic to be more aggressive. 
Previously, instcombine would only promote an expression tree to
the larger type if doing so eliminated two casts.  This is because
a need to manually do the sign extend after the promoted expression
tree with two shifts.  Now, we keep track of whether the result of
the computation is going to be properly sign extended already.  If
so, we can unconditionally promote the expression, which allows us
to zap more sext's.

This implements rdar://6598839 (aka gcc pr38751)


git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@92815 91177308-0d34-0410-b5e6-96231b3b80d8
 2010-01-06 01:56:21 +00:00
Jakob Stoklund Olesen
8efadf94b5 Add <imp-def> and <imp-kill> operands when replacing virtual sub-register defs and kills. 
An instruction like this:

  %reg1097:1<def> = VMOVSR %R3<kill>, 14, %reg0

Must be replaced with this when substituting physical registers:

  %S0<def> = VMOVSR %R3<kill>, 14, %reg0, %D0<imp-def>

git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@92812 91177308-0d34-0410-b5e6-96231b3b80d8
 2010-01-06 00:29:28 +00:00
Bill Wendling
3f09487404 The previous code could potentially cause a cycle. Allow ordering w.r.t. a 0 order. 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@92810 91177308-0d34-0410-b5e6-96231b3b80d8
 2010-01-06 00:23:35 +00:00
Bill Wendling
cfeea4b92a Only check the ordering if there is an ordering for each nodes. 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@92807 91177308-0d34-0410-b5e6-96231b3b80d8
 2010-01-06 00:09:23 +00:00
Bill Wendling
247fb4ebd3 Add a semi-primitive form of scheduling via the "SDNode ordering" to the 
bottom-up scheduler. We prefer the lower order number.


git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@92806 91177308-0d34-0410-b5e6-96231b3b80d8
 2010-01-05 23:48:12 +00:00
Chris Lattner
68c6e8998b simplify this code. 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@92800 91177308-0d34-0410-b5e6-96231b3b80d8
 2010-01-05 23:00:30 +00:00
Dan Gohman
d7d1a29003 Move this test from test/Transforms/IndVarSimplify to 
test/CodeGen/X86, as doesn't use -indvars, and it does use
llc -march=x86-64.


git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@92799 91177308-0d34-0410-b5e6-96231b3b80d8
 2010-01-05 22:52:54 +00:00
Bill Wendling
9f7c5c0dca Don't assign the shift the same type as the variable being shifted. This could 
result in illegal types for the SHL operator.


git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@92797 91177308-0d34-0410-b5e6-96231b3b80d8
 2010-01-05 22:39:10 +00:00
Johnny Chen
8314299161 Undo r92785, it caused test failure. 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@92796 91177308-0d34-0410-b5e6-96231b3b80d8
 2010-01-05 22:37:28 +00:00
Chris Lattner
94aab49339 make this a static function instead of a method. 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@92795 91177308-0d34-0410-b5e6-96231b3b80d8
 2010-01-05 22:30:42 +00:00
Dan Gohman
7c3ecb6838 Don't use the ISD::NodeType enum for SDNode opcodes, as CodeGen 
uses several kinds of opcode values which are not declared within
that enum. This fixes PR5946.


git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@92794 91177308-0d34-0410-b5e6-96231b3b80d8
 2010-01-05 22:26:32 +00:00