Commit Graph

55903 Commits

Author SHA1 Message Date
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
Victor Hernandez
bf170d4c2f Re-add parsing of function-local metadata; this time with testcase.
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@92793 91177308-0d34-0410-b5e6-96231b3b80d8
2010-01-05 22:22:14 +00:00
Chris Lattner
7a34d6c450 more rearrangement and cleanup, fix my test failure.
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@92792 91177308-0d34-0410-b5e6-96231b3b80d8
2010-01-05 22:21:18 +00:00
Chris Lattner
274ad68cc7 cleanup
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@92790 91177308-0d34-0410-b5e6-96231b3b80d8
2010-01-05 22:07:33 +00:00
Chris Lattner
c0f79af143 remove two trunc xforms that are subsumed by EvaluateInDifferentType.
The only difference is that EvaluateInDifferentType checks to ensure
they are profitable before doing them :)


git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@92788 91177308-0d34-0410-b5e6-96231b3b80d8
2010-01-05 22:01:41 +00:00
Chris Lattner
c04d3d37e4 merge some tests.
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@92786 91177308-0d34-0410-b5e6-96231b3b80d8
2010-01-05 21:54:09 +00:00
Johnny Chen
83f1136cfd Add Rt2 to the asm format string for 32-bit Thumb load/store register dual
instructions.  Thumb does not have the restriction that t2 = t+1.


git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@92785 91177308-0d34-0410-b5e6-96231b3b80d8
2010-01-05 21:51:46 +00:00
Chris Lattner
50ca0204c5 merge cast2 into cast.ll
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@92784 91177308-0d34-0410-b5e6-96231b3b80d8
2010-01-05 21:48:13 +00:00
Devang Patel
69d02e0a17 Allow null to be an element of NamedMDNode. e.g. !llvm.stuff = !{!0, !1, null}
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@92783 91177308-0d34-0410-b5e6-96231b3b80d8
2010-01-05 21:47:32 +00:00
Chris Lattner
6ae68a28b9 remove useless test.
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@92782 91177308-0d34-0410-b5e6-96231b3b80d8
2010-01-05 21:46:22 +00:00
Chris Lattner
8e66905ce8 another example.
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@92781 91177308-0d34-0410-b5e6-96231b3b80d8
2010-01-05 21:43:08 +00:00
Jakob Stoklund Olesen
e5319202af Don't specify CR sub-registers as implicit defs of BL instructions.
It is enough to give the super registers CR0, CR1, ..., and specifying the
sub-registers as well causes confusion in the liveness computations.

git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@92778 91177308-0d34-0410-b5e6-96231b3b80d8
2010-01-05 21:38:37 +00:00
Chris Lattner
022bd99d10 remove a useless negative test, add a rdar # to an xfail that I'm working on.
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@92777 91177308-0d34-0410-b5e6-96231b3b80d8
2010-01-05 21:37:44 +00:00
Chris Lattner
a8f3ebbf5c clean up tests.
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@92776 91177308-0d34-0410-b5e6-96231b3b80d8
2010-01-05 21:32:59 +00:00
Chris Lattner
464dc81803 just remove this xform which is subsumed by others.
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@92775 91177308-0d34-0410-b5e6-96231b3b80d8
2010-01-05 21:16:30 +00:00
Victor Hernandez
771150accb Fix comment for CheckDebugInfoIntrinsics
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@92774 91177308-0d34-0410-b5e6-96231b3b80d8
2010-01-05 21:13:46 +00:00