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118 Commits

Author SHA1 Message Date
Eric Christopher
551754c495 Revert 101465, it broke internal OpenGL testing. 
Probably the best way to know that all getOperand() calls have been handled
is to replace that API instead of updating.


git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@101579 91177308-0d34-0410-b5e6-96231b3b80d8
 2010-04-16 23:37:20 +00:00
Gabor Greif
4ec2258ffb reapply r101434 
with a fix for self-hosting

rotate CallInst operands, i.e. move callee to the back
of the operand array

the motivation for this patch are laid out in my mail to llvm-commits:
more efficient access to operands and callee, faster callgraph-construction,
smaller compiler binary


git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@101465 91177308-0d34-0410-b5e6-96231b3b80d8
 2010-04-16 15:33:14 +00:00
Gabor Greif
607a7ab3da back out r101423 and r101397, they break llvm-gcc self-host on darwin10 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@101434 91177308-0d34-0410-b5e6-96231b3b80d8
 2010-04-16 01:16:20 +00:00
Gabor Greif
8db3f2c2ab shift intrinsic operand 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@101423 91177308-0d34-0410-b5e6-96231b3b80d8
 2010-04-16 00:06:45 +00:00
Dale Johannesen
536d31b5b3 Fix a nasty dangling-pointer heisenbug that could 
generate wrong code pretty much anywhere AFAICT.
A case that hits the bug reproducibly is impossible,
but the situation was like this:
Addr = ...
Store -> Addr
Addr2 = GEP , 0, 0
Store -> Addr2
Handling the first store, the code changed replaced Addr
with a sunkaddr and deleted Addr, but not its table
entry.  Code in OptimizedBlock replaced Addr2 with a
bitcast; if that happened to reuse the memory of Addr,
the old table entry was erroneously found when handling
the second store.



git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@100044 91177308-0d34-0410-b5e6-96231b3b80d8
 2010-03-31 20:37:15 +00:00
Gabor Greif
60ad781c61 rename use_const_iterator to const_use_iterator for consistency's sake 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@99564 91177308-0d34-0410-b5e6-96231b3b80d8
 2010-03-25 23:06:16 +00:00
Benjamin Kramer
0b6cb50738 Factor checked library call optimization into a common helper class and use it 
to unify the almost identical code in CodeGenPrepare and InstCombineCalls.


git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@98338 91177308-0d34-0410-b5e6-96231b3b80d8
 2010-03-12 09:27:41 +00:00
Benjamin Kramer
7fa30b8e5d stpcpy is so similar to strcpy, it doesn't deserve a complete copy of the __strcpy_chk -> strcpy code. 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@98284 91177308-0d34-0410-b5e6-96231b3b80d8
 2010-03-11 20:45:13 +00:00
Eric Christopher
19888ca8b4 Lower stpcpy_chk when possible. 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@98274 91177308-0d34-0410-b5e6-96231b3b80d8
 2010-03-11 19:24:34 +00:00
Eric Christopher
040056fd11 Do some final lowering in CodeGenPrepare of _chk calls similar to 
that in InstCombineCalls.

More call lowering needed.


git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@98228 91177308-0d34-0410-b5e6-96231b3b80d8
 2010-03-11 02:41:03 +00:00
Duncan Sands
1df9859c40 There are two ways of checking for a given type, for example isa<PointerType>(T) 
and T->isPointerTy().  Convert most instances of the first form to the second form.
Requested by Chris.


git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@96344 91177308-0d34-0410-b5e6-96231b3b80d8
 2010-02-16 11:11:14 +00:00
Chris Lattner
c09687bb7e remove dead code. 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@96109 91177308-0d34-0410-b5e6-96231b3b80d8
 2010-02-13 19:07:06 +00:00
Chris Lattner
98d5c3141e Split some code out to a helper function (FindReusablePredBB) 
and add a doxygen comment.

Cache the phi entry to avoid doing tons of 
PHINode::getBasicBlockIndex calls in the common case.

On my insane testcase from re2c, this speeds up CGP from
617.4s to 7.9s (78x).



git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@96083 91177308-0d34-0410-b5e6-96231b3b80d8
 2010-02-13 05:35:08 +00:00
Chris Lattner
3f65b5e733 speed up CGP a bit by scanning predecessors through phi operands 
instead of with pred_begin/end.


git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@96078 91177308-0d34-0410-b5e6-96231b3b80d8
 2010-02-13 04:04:42 +00:00
Dan Gohman
aa0e523287 Implement releaseMemory in CodeGenPrepare and free the BackEdges 
container data. This prevents it from holding onto dangling
pointers and potentially behaving unpredictably.


git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@95409 91177308-0d34-0410-b5e6-96231b3b80d8
 2010-02-05 19:24:11 +00:00
Dan Gohman
d8d0b6a42c When doing address-mode sinking, expand the base register first, rather 
than the scaled register. This makes it more likely that subsequent
AddrModeMatcher queries will match the new address the same way as the
old, instead of accidentally matching what had been the base register
as the new scaled register, and then failing to match the scaled register.
This fixes some problems with address-mode sinking multiple muls into a
block, which will be a lot more common with some upcoming
LoopStrengthReduction changes.


git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@93935 91177308-0d34-0410-b5e6-96231b3b80d8
 2010-01-19 22:45:06 +00:00
David Greene
68d67fdf20 Change errs() to dbgs(). 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@92611 91177308-0d34-0410-b5e6-96231b3b80d8
 2010-01-05 01:27:11 +00:00
Evan Cheng
04149f7ffd Revert 91280-91283, 91286-91289, 91291, 91293, 91295-91296. It apparently introduced a non-deterministic behavior in the optimizer somewhere. 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@91598 91177308-0d34-0410-b5e6-96231b3b80d8
 2009-12-17 09:39:49 +00:00
Nick Lewycky
87f8e49027 Remove unnecessary #include "llvm/LLVMContext.h". 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@90836 91177308-0d34-0410-b5e6-96231b3b80d8
 2009-12-08 05:45:41 +00:00
Bob Wilson
4a8ee23a81 Fix a comment typo. 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@90487 91177308-0d34-0410-b5e6-96231b3b80d8
 2009-12-03 21:47:07 +00:00
Chris Lattner
a4b04210d4 llvm::SplitEdge should refuse to split an edge from an indirectbr. 
Fix CodeGenPrepare to not try to split edges from indirectbr.


git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@85690 91177308-0d34-0410-b5e6-96231b3b80d8
 2009-10-31 22:04:43 +00:00
Dan Gohman
b00f236b03 Move zext and sext casts fed by loads into the same block as the 
load, to help SelectionDAG fold them into the loads, unless
conditions are unfavorable.


git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@84271 91177308-0d34-0410-b5e6-96231b3b80d8
 2009-10-16 20:59:35 +00:00
Andreas Neustifter
ad80981a10 Preserve ProfileInfo during CodeGenPrepare. 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@82034 91177308-0d34-0410-b5e6-96231b3b80d8
 2009-09-16 09:26:52 +00:00
Chris Lattner
3e8b6631e6 eliminate VISIBILITY_HIDDEN from Transforms/Scalar. PR4861 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@80766 91177308-0d34-0410-b5e6-96231b3b80d8
 2009-09-02 06:11:42 +00:00
Dan Gohman
1c8a23c440 Eliminate the unused Context argument on one of the ICmpInst and FCmpInst 
constructors.


git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@80049 91177308-0d34-0410-b5e6-96231b3b80d8
 2009-08-25 23:17:54 +00:00
Chris Lattner
bdff548e4d eliminate the "Value" printing methods that print to a std::ostream. 
This required converting a bunch of stuff off DOUT and other cleanups.


git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@79819 91177308-0d34-0410-b5e6-96231b3b80d8
 2009-08-23 04:37:46 +00:00
Owen Anderson
1d0be15f89 Push LLVMContexts through the IntegerType APIs. 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@78948 91177308-0d34-0410-b5e6-96231b3b80d8
 2009-08-13 21:58:54 +00:00
Owen Anderson
23b9b19b1a Add contexts to some of the MVT APIs. No functionality change yet, just the infrastructure work needed to get the contexts to where they need to be first. 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@78759 91177308-0d34-0410-b5e6-96231b3b80d8
 2009-08-12 00:36:31 +00:00
Owen Anderson
e50ed30282 Rename MVT to EVT, in preparation for splitting SimpleValueType out into its own struct type. 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@78610 91177308-0d34-0410-b5e6-96231b3b80d8
 2009-08-10 22:56:29 +00:00
Owen Anderson
a7235ea724 Move a few more APIs back to 2.5 forms. The only remaining ones left to change back are 
metadata related, which I'm waiting on to avoid conflicting with Devang.


git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@77721 91177308-0d34-0410-b5e6-96231b3b80d8
 2009-07-31 20:28:14 +00:00
Dan Gohman
6c1980b335 Convert a few more uses of llvm/Support/Streams.h to raw_ostream. 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@77033 91177308-0d34-0410-b5e6-96231b3b80d8
 2009-07-25 01:13:51 +00:00
Owen Anderson
eed707b1e6 Revert the ConstantInt constructors back to their 2.5 forms where possible, thanks to contexts-on-types. More to come. 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@77011 91177308-0d34-0410-b5e6-96231b3b80d8
 2009-07-24 23:12:02 +00:00
Owen Anderson
e922c02019 Get rid of the Pass+Context magic. 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@76702 91177308-0d34-0410-b5e6-96231b3b80d8
 2009-07-22 00:24:57 +00:00
Chris Lattner
8850b36d0f use ExpandInlineAsm on TargetLowering instead of TargetAsmInfo. 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@76442 91177308-0d34-0410-b5e6-96231b3b80d8
 2009-07-20 17:52:52 +00:00
Owen Anderson
333c400965 This started as a small change, I swear. Unfortunately, lots of things call the [I|F]CmpInst constructors. Who knew!? 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@75200 91177308-0d34-0410-b5e6-96231b3b80d8
 2009-07-09 23:48:35 +00:00
Owen Anderson
d672ecb017 Convert the first batch of passes to use LLVMContext. 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@74748 91177308-0d34-0410-b5e6-96231b3b80d8
 2009-07-03 00:17:18 +00:00
Dan Gohman
a119de86a0 Fix old-style type names in comments. 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@73362 91177308-0d34-0410-b5e6-96231b3b80d8
 2009-06-14 23:30:43 +00:00
Dan Gohman
8b0d4f61bb Fix CodeGenPrepare's address-mode sinking to handle unusual 
addresses, involving Base values which do not have Pointer type.
This fixes PR4297.


git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@72739 91177308-0d34-0410-b5e6-96231b3b80d8
 2009-06-02 21:29:13 +00:00
Mike Stump
fe095f39e7 Restore minor deletion. 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@70892 91177308-0d34-0410-b5e6-96231b3b80d8
 2009-05-04 18:40:41 +00:00
Chris Lattner
683b08cf7c remove empty section 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@68485 91177308-0d34-0410-b5e6-96231b3b80d8
 2009-04-07 02:55:53 +00:00
Dale Johannesen
2d69724938 One more place to skip debug info. 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@67811 91177308-0d34-0410-b5e6-96231b3b80d8
 2009-03-27 01:13:37 +00:00
Dale Johannesen
6aae1d6582 Skip debug info one more place. (This one gets 
called from llc, not opt, but it's an IR level
optimization nevertheless.)



git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@67724 91177308-0d34-0410-b5e6-96231b3b80d8
 2009-03-26 01:15:07 +00:00
Evan Cheng
fc0b80d974 Fix PR3784: If the source of a phi comes from a bb ended with an invoke, make sure the copy is inserted before the try range (unless it's used as an input to the invoke, then insert it after the last use), not at the end of the bb. 
Also re-apply r66140 which was disabled as a workaround.


git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@66976 91177308-0d34-0410-b5e6-96231b3b80d8
 2009-03-13 22:59:14 +00:00
Duncan Sands
58256f83c8 Revert commit 66140 since it caused several failures 
in the Ada testcase.  Reverting this only covers up
the real problem, which is a nasty conceptual difficulty
in the phi elimination pass: when eliminating phi nodes
in landing pads, the register copies need to come before
the invoke, not at the end of the basic block which is
too late...  See PR3784.


git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@66826 91177308-0d34-0410-b5e6-96231b3b80d8
 2009-03-12 21:13:42 +00:00
Evan Cheng
6fb8f421ee Do not split edges to EH landing pads. It will cause code size explosion. 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@66140 91177308-0d34-0410-b5e6-96231b3b80d8
 2009-03-05 06:31:26 +00:00
Evan Cheng
a1fd5b386d Factor address mode matcher out of codegen prepare to make it available to other passes, e.g. loop strength reduction. 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@65134 91177308-0d34-0410-b5e6-96231b3b80d8
 2009-02-20 18:24:38 +00:00
Dan Gohman
03ce042d70 In CodeGenPrepare's debug output, use WriteAsOperand instead of 
printing getName(), so that unnamed values are printed correctly.


git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@64468 91177308-0d34-0410-b5e6-96231b3b80d8
 2009-02-13 17:45:12 +00:00
Chris Lattner
65c02fbf9b fix PR3537: if resetting bbi back to the start of a block, we need to 
forget about already inserted expressions.


git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@64362 91177308-0d34-0410-b5e6-96231b3b80d8
 2009-02-12 06:56:08 +00:00
Gabor Greif
a36791da41 Simplify the logic of getting hold of a PHI predecessor block. 
There is now a direct way from value-use-iterator to incoming block in PHINode's API.
This way we avoid the iterator->index->iterator trip, and especially the costly
getOperandNo() invocation. Additionally there is now an assertion that the iterator
really refers to one of the PHI's Uses.

git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@62869 91177308-0d34-0410-b5e6-96231b3b80d8
 2009-01-23 19:40:15 +00:00
Chris Lattner
d62284a804 Fix rdar://6505632, an llc crash on 483.xalancbmk 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@62470 91177308-0d34-0410-b5e6-96231b3b80d8
 2009-01-18 20:35:00 +00:00