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Author SHA1 Message Date
Jakob Stoklund Olesen
b31defe94c Remove livein checks from machine code verifier. 
A phi operand that is implicitly defined in a predecessor becomes an undefined
register after phi elimination. This causes a lot of false positives when the
verifier is checking if live-in registers are live-out from all predecessors.

Removing the verifier checks seems like a better solution than insisting on
IMPLICIT_DEF instructions in predecessor blocks.

git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@92769 91177308-0d34-0410-b5e6-96231b3b80d8
 2010-01-05 20:59:36 +00:00
Chris Lattner
f86d799a29 move a trunc-specific xform out of commonIntCastTransforms into visitTrunc 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@92768 91177308-0d34-0410-b5e6-96231b3b80d8
 2010-01-05 20:57:30 +00:00
Chris Lattner
3168c7dd25 reduce indentation 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@92766 91177308-0d34-0410-b5e6-96231b3b80d8
 2010-01-05 20:56:24 +00:00
Anton Korobeynikov
6ca835dedf Regenerate 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@92763 91177308-0d34-0410-b5e6-96231b3b80d8
 2010-01-05 20:45:43 +00:00
Anton Korobeynikov
0addbf5817 Proper deduce z/System LLVM target from target triple when 
--enable-targets=host is specified.

git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@92762 91177308-0d34-0410-b5e6-96231b3b80d8
 2010-01-05 20:45:13 +00:00
Devang Patel
3e30c2a3c5 NamedMDNode is a collection MDNodes. 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@92761 91177308-0d34-0410-b5e6-96231b3b80d8
 2010-01-05 20:41:31 +00:00
Benjamin Kramer
11acaa374c Convert a ton of simple integer type equality tests to the new predicate. 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@92760 91177308-0d34-0410-b5e6-96231b3b80d8
 2010-01-05 20:07:06 +00:00
Benjamin Kramer
13be48701d Add a new predicate for integer type equality tests. 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@92759 91177308-0d34-0410-b5e6-96231b3b80d8
 2010-01-05 20:04:48 +00:00
David Greene
6786d5e183 Add an !eq() operator to TableGen. It operates on strings only. 
Use !cast<string>() to compare other types of objects.


git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@92754 91177308-0d34-0410-b5e6-96231b3b80d8
 2010-01-05 19:11:42 +00:00
Dan Gohman
5f7775c85e Add an entry on SmallBitVector. 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@92747 91177308-0d34-0410-b5e6-96231b3b80d8
 2010-01-05 18:24:00 +00:00
Chris Lattner
033574074d optimize comparisons against cttz/ctlz/ctpop, patch by Alastair Lynn! 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@92745 91177308-0d34-0410-b5e6-96231b3b80d8
 2010-01-05 18:09:56 +00:00
Dan Gohman
aceba31b7a Delete useless trailing semicolons. 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@92740 91177308-0d34-0410-b5e6-96231b3b80d8
 2010-01-05 17:55:26 +00:00
Dan Gohman
ba25f0924e Nick Lewycky pointed out that this code makes changes unconditionally. 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@92739 91177308-0d34-0410-b5e6-96231b3b80d8
 2010-01-05 17:50:58 +00:00
David Greene
f0fd3afeff Have TableGen emit code that uses dbgs() rather than errs(). 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@92738 91177308-0d34-0410-b5e6-96231b3b80d8
 2010-01-05 17:47:41 +00:00
Devang Patel
ee890edd69 If a scope has only one instruction then first instruction is also the last instruction. 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@92736 91177308-0d34-0410-b5e6-96231b3b80d8
 2010-01-05 16:59:17 +00:00
Dan Gohman
9fff2187a2 Set Changed properly after calling DeleteDeadPHIs. 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@92735 91177308-0d34-0410-b5e6-96231b3b80d8
 2010-01-05 16:31:45 +00:00
Dan Gohman
321a813c53 Use do+while instead of while for loops which obviously have a 
non-zero trip count. Use SmallVector's pop_back_val().


git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@92734 91177308-0d34-0410-b5e6-96231b3b80d8
 2010-01-05 16:27:25 +00:00
Dan Gohman
b7a9f2b504 Fix indentation. 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@92733 91177308-0d34-0410-b5e6-96231b3b80d8
 2010-01-05 16:20:55 +00:00
Dan Gohman
90fe0bd68c Make RecursivelyDeleteTriviallyDeadInstructions, 
RecursivelyDeleteDeadPHINode, and DeleteDeadPHIs return a flag
indicating whether they made any changes.


git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@92732 91177308-0d34-0410-b5e6-96231b3b80d8
 2010-01-05 15:45:31 +00:00
Dan Gohman
ad2cee44e0 Some versions of GCC don't like non-static data members in sizeof 
in this context.


git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@92731 91177308-0d34-0410-b5e6-96231b3b80d8
 2010-01-05 15:28:21 +00:00
Dan Gohman
cb89afc965 Add a SmallBitVector class, which mimics BitVector but uses only 
a single pointer (PointerIntPair) member. In "small" mode, the
pointer field is reinterpreted as a set of bits. In "large" mode,
the pointer points to a heap-allocated object.

Also, give BitVector empty and swap functions.

And, add some simple unittests for BitVector and SmallBitVector.


git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@92730 91177308-0d34-0410-b5e6-96231b3b80d8
 2010-01-05 15:04:49 +00:00
Benjamin Kramer
eade002094 Add newline at EOF. 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@92727 91177308-0d34-0410-b5e6-96231b3b80d8
 2010-01-05 13:32:48 +00:00
Benjamin Kramer
f012705c7e Avoid going through the LLVMContext for type equality where it's safe to dereference the type pointer. 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@92726 91177308-0d34-0410-b5e6-96231b3b80d8
 2010-01-05 13:12:22 +00:00
Chris Lattner
804272c8d6 prune some #includes. 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@92712 91177308-0d34-0410-b5e6-96231b3b80d8
 2010-01-05 07:54:43 +00:00
Chris Lattner
25f2a23b4a split and/or/xor out into one overly-large (2000LOC) file. However, I think 
it does make sense to keep them together, at least for now.


git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@92711 91177308-0d34-0410-b5e6-96231b3b80d8
 2010-01-05 07:50:36 +00:00
Chris Lattner
d3c5b2d322 missed file with previous commit. 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@92710 91177308-0d34-0410-b5e6-96231b3b80d8
 2010-01-05 07:45:02 +00:00
Chris Lattner
9cdd5f3fe3 split instcombine of shifts out to its own file. 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@92709 91177308-0d34-0410-b5e6-96231b3b80d8
 2010-01-05 07:44:46 +00:00
Chris Lattner
948cdeba97 eliminate getBitCastOperand and simplify some over-complex inbounds stuff. 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@92708 91177308-0d34-0410-b5e6-96231b3b80d8
 2010-01-05 07:42:10 +00:00
Chris Lattner
753a2b464d split call handling out to InstCombineCalls.cpp 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@92707 91177308-0d34-0410-b5e6-96231b3b80d8
 2010-01-05 07:32:13 +00:00
Chris Lattner
16507fe9fd optimize cttz and ctlz when we can prove something about the 
leading/trailing bits.  Patch by Alastair Lynn!


git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@92706 91177308-0d34-0410-b5e6-96231b3b80d8
 2010-01-05 07:23:56 +00:00
Chris Lattner
f87cd93e0c this inline function moved to addsub 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@92705 91177308-0d34-0410-b5e6-96231b3b80d8
 2010-01-05 07:20:54 +00:00
Chris Lattner
53a19b73b5 split add/sub out to its own file. Eliminate use of 
dyn_castNotVal in the X+~X transform.  dyn_castNotVal is
dramatic overkill for what the xform needed.


git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@92704 91177308-0d34-0410-b5e6-96231b3b80d8
 2010-01-05 07:18:46 +00:00
Chris Lattner
248a84beb3 all the places we use hasOneUse() we know are instructions, so inline 
and simplify.


git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@92700 91177308-0d34-0410-b5e6-96231b3b80d8
 2010-01-05 07:04:23 +00:00
Chris Lattner
dea34da6f8 eliminate AssociativeOpt and its last uses. 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@92697 91177308-0d34-0410-b5e6-96231b3b80d8
 2010-01-05 07:01:16 +00:00
Chris Lattner
a317e044fb inline the FoldICmpLogical functor. 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@92695 91177308-0d34-0410-b5e6-96231b3b80d8
 2010-01-05 06:59:49 +00:00
Evan Cheng
54de3ea1ca Code refactoring. 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@92694 91177308-0d34-0410-b5e6-96231b3b80d8
 2010-01-05 06:52:31 +00:00
Chris Lattner
32c0cf5af9 inline the 'AddRHS' transformation, simplifying things significantly. 
Eliminate the 'AddMaskingAnd' transformation, it is redundant with this
more general code right below it:
  // A+B --> A|B iff A and B have no bits set in common.



git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@92693 91177308-0d34-0410-b5e6-96231b3b80d8
 2010-01-05 06:29:13 +00:00
Chris Lattner
d0db8e8bad remove massive over-genality manifested as a big template 
that got instantiated.  There is no reason for instcombine
to try this hard for simple associative optimizations.  Next
up, eliminate the template completely.


git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@92692 91177308-0d34-0410-b5e6-96231b3b80d8
 2010-01-05 06:24:06 +00:00
Chris Lattner
d12c27ce00 split mul/div/rem instructions out to their own file. 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@92689 91177308-0d34-0410-b5e6-96231b3b80d8
 2010-01-05 06:09:35 +00:00
Chris Lattner
1c22c80d71 clean up header. 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@92688 91177308-0d34-0410-b5e6-96231b3b80d8
 2010-01-05 06:05:07 +00:00
Chris Lattner
c6334b97e1 split select out to its own file. 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@92687 91177308-0d34-0410-b5e6-96231b3b80d8
 2010-01-05 06:03:12 +00:00
Chris Lattner
8d9b8d717e split out load/store/alloca. 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@92685 91177308-0d34-0410-b5e6-96231b3b80d8
 2010-01-05 05:57:49 +00:00
Chris Lattner
d5da271863 reduce indentation 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@92684 91177308-0d34-0410-b5e6-96231b3b80d8
 2010-01-05 05:42:08 +00:00
Chris Lattner
b8a5cecd6b split vector stuff out to InstCombineVectorOps.cpp 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@92683 91177308-0d34-0410-b5e6-96231b3b80d8
 2010-01-05 05:36:20 +00:00
Chris Lattner
f54e729629 split PHI node stuff out to InstCombinePHI.cpp 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@92682 91177308-0d34-0410-b5e6-96231b3b80d8
 2010-01-05 05:31:55 +00:00
Chris Lattner
43fd9017a6 convert various IntrinsicInst's to use class instead of struct. 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@92681 91177308-0d34-0410-b5e6-96231b3b80d8
 2010-01-05 05:21:26 +00:00
Chris Lattner
5f94af0f72 fix an infinite loop in reassociate building emacs. 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@92679 91177308-0d34-0410-b5e6-96231b3b80d8
 2010-01-05 04:55:35 +00:00
David Greene
2abc1ec2dd Change this back to errs(). 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@92674 91177308-0d34-0410-b5e6-96231b3b80d8
 2010-01-05 01:55:22 +00:00
David Greene
c74fe78c2d These should probably be errs(). 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@92673 91177308-0d34-0410-b5e6-96231b3b80d8
 2010-01-05 01:53:59 +00:00
Devang Patel
614d2ad0af Delete renaming use of dead dbg intrinsics. 
Intrinsic::dbg_stoppoint
 Intrinsic::dbg_region_start
 Intrinsic::dbg_region_end
 Intrinsic::dbg_func_start



git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@92672 91177308-0d34-0410-b5e6-96231b3b80d8
 2010-01-05 01:47:06 +00:00