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36c9952b1b
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33423 Commits

Author SHA1 Message Date
Chris Lattner
36c9952b1b add a new ValueState::getConstantInt() helper, use it to 
simplify some code.


git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@85783 91177308-0d34-0410-b5e6-96231b3b80d8
 2009-11-02 03:21:36 +00:00
Edward O'Callaghan
bd5dc45296 Fix malloc.h is deprecated warning on DragonFly BSD. 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@85782 91177308-0d34-0410-b5e6-96231b3b80d8
 2009-11-02 03:20:57 +00:00
Edward O'Callaghan
438b00b2ad Fix for warning seen on DF-BSD, Victor, please fix this to use a shift instead of pow() 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@85781 91177308-0d34-0410-b5e6-96231b3b80d8
 2009-11-02 03:14:31 +00:00
Chris Lattner
38871e4c3b tidy up some more: remove some extraneous inline specifiers, return harder. 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@85780 91177308-0d34-0410-b5e6-96231b3b80d8
 2009-11-02 03:03:42 +00:00
Edward O'Callaghan
2afd0723a2 Apply fix for PR5135, Credit to Andreas Neustifter. 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@85779 91177308-0d34-0410-b5e6-96231b3b80d8
 2009-11-02 02:55:39 +00:00
Chris Lattner
8db50122a4 eliminate the SCCPSolver::getValueMapping method. 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@85778 91177308-0d34-0410-b5e6-96231b3b80d8
 2009-11-02 02:54:24 +00:00
Chris Lattner
301a2792be fix failures introduced in r85774 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@85777 91177308-0d34-0410-b5e6-96231b3b80d8
 2009-11-02 02:48:17 +00:00
Chris Lattner
cc4f60b113 factor duplicated code into a new DeleteInstructionInBlock 
function, eliminate temporary (and pointless) smallvector.


git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@85776 91177308-0d34-0410-b5e6-96231b3b80d8
 2009-11-02 02:47:51 +00:00
Chris Lattner
2f09625a9f Chris used to use '...' instead of proper grammar. 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@85775 91177308-0d34-0410-b5e6-96231b3b80d8
 2009-11-02 02:33:50 +00:00
Chris Lattner
ea0db070a1 remove some extraneous llvmcontext stuff. 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@85774 91177308-0d34-0410-b5e6-96231b3b80d8
 2009-11-02 02:30:06 +00:00
Chris Lattner
7927220aef change LatticeVal to use PointerIntPair to save some space. 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@85773 91177308-0d34-0410-b5e6-96231b3b80d8
 2009-11-02 02:20:32 +00:00
Chris Lattner
7ebbabf500 fix instcombine to only do store sinking when the alignments 
of the two loads agree.  Propagate that onto the new store.


git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@85772 91177308-0d34-0410-b5e6-96231b3b80d8
 2009-11-02 02:06:37 +00:00
Anton Korobeynikov
2ae0eec1c0 Handle splats of undefs properly. This includes the testcase for PR5364 as well. 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@85767 91177308-0d34-0410-b5e6-96231b3b80d8
 2009-11-02 00:12:06 +00:00
Anton Korobeynikov
3a639a07ea Do not infer the target type for COPY_TO_REGCLASS from dest regclass, this won't work if it can contain several types. Require explicit result type for the node for now. This fixes PR5364. 
PS: It seems that blackfin usage of copy_to_regclass is completely bogus!

git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@85766 91177308-0d34-0410-b5e6-96231b3b80d8
 2009-11-02 00:11:39 +00:00
Anton Korobeynikov
2e1da9fea4 64-bit FP loads & stores operate on both NEON and VFP pipelines. 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@85765 91177308-0d34-0410-b5e6-96231b3b80d8
 2009-11-02 00:11:06 +00:00
Anton Korobeynikov
f95215f551 Use NEON reg-reg moves, where profitable. This reduces "domain-cross" stalls, when we used to mix vfp and neon code (the former were used for reg-reg moves) 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@85764 91177308-0d34-0410-b5e6-96231b3b80d8
 2009-11-02 00:10:38 +00:00
Evan Cheng
f57b1baa44 Add PseudoSourceValue::mayAlias. It returns true if the object can ever alias any LLVM IR value. 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@85762 91177308-0d34-0410-b5e6-96231b3b80d8
 2009-11-01 23:50:04 +00:00
Evan Cheng
e3ce8aab0a Fix a couple more places where we are creating ld / st instructions without memoperands. 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@85746 91177308-0d34-0410-b5e6-96231b3b80d8
 2009-11-01 22:04:35 +00:00
Evan Cheng
48d8afab73 Make use of imm12 version of Thumb2 ldr / str instructions more aggressively. 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@85743 91177308-0d34-0410-b5e6-96231b3b80d8
 2009-11-01 21:12:51 +00:00
Chris Lattner
a664bb7bdc when merging two loads, make sure to take the min of their alignment, 
not the max.  This didn't matter until the previous patch because
instcombine would refuse to sink loads with differenting alignments.


git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@85738 91177308-0d34-0410-b5e6-96231b3b80d8
 2009-11-01 20:07:07 +00:00
Chris Lattner
751a362c22 split load sinking out to its own function, like gep sinking. 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@85737 91177308-0d34-0410-b5e6-96231b3b80d8
 2009-11-01 20:04:24 +00:00
Chris Lattner
e3c6281a98 fix a bug noticed by inspection: when instcombine sinks loads through 
phis, it didn't preserve the alignment of the load.  This is a missed
optimization of the alignment is high and a miscompilation when the
alignment is low.


git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@85736 91177308-0d34-0410-b5e6-96231b3b80d8
 2009-11-01 19:50:13 +00:00
Duncan Sands
b046964101 Add a missing closing parenthesis, and tweak to fit in 80 
columns.


git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@85732 91177308-0d34-0410-b5e6-96231b3b80d8
 2009-11-01 19:12:43 +00:00
Chris Lattner
ec4c7b9766 cleanups, switch GlobalDCE to SmallPtrSet instead of std::set 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@85730 91177308-0d34-0410-b5e6-96231b3b80d8
 2009-11-01 19:03:42 +00:00
Chris Lattner
c4775e4b97 remove a bunch of locking from LLVMContextImpl. Since only one thread 
can be banging on a context at a time, this isn't needed.  Owen, please
review.


git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@85728 91177308-0d34-0410-b5e6-96231b3b80d8
 2009-11-01 18:42:03 +00:00
Chris Lattner
280f3fedbf improve comment. 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@85725 91177308-0d34-0410-b5e6-96231b3b80d8
 2009-11-01 18:17:37 +00:00
Chris Lattner
66588707ac add a comment about why we don't allow inlining indbr. 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@85724 91177308-0d34-0410-b5e6-96231b3b80d8
 2009-11-01 18:16:30 +00:00
Chris Lattner
4a7642ec9c the verifier shouldn't modify the IR. 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@85722 91177308-0d34-0410-b5e6-96231b3b80d8
 2009-11-01 18:11:50 +00:00
Douglas Gregor
076124ef26 Reverting 85714, 85715, 85716, which are breaking the build 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@85717 91177308-0d34-0410-b5e6-96231b3b80d8
 2009-11-01 16:42:53 +00:00
Dan Gohman
2166f62290 Add a function to Passes.h to allow clients to create instances 
of the ScalarEvolution pass without needing to #include ScalarEvolution.h.


git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@85716 91177308-0d34-0410-b5e6-96231b3b80d8
 2009-11-01 15:28:36 +00:00
Dan Gohman
34e9d7b6be Don't #include Pass.h from CallGraph.h. 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@85715 91177308-0d34-0410-b5e6-96231b3b80d8
 2009-11-01 15:23:35 +00:00
Dan Gohman
b2fae7560d Remove the #include of Pass.h from PassManager.h. This breaks a significant 
#include dependency, as frontends commonly pull in PassManager.h.


git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@85714 91177308-0d34-0410-b5e6-96231b3b80d8
 2009-11-01 15:20:19 +00:00
Chris Lattner
b2710041fb teach ipsccp and ipconstprop that a blockaddress doesn't 'take the address' of a function 
in a way that should prevent ip constprop.  This allows clang/test/CodeGen/indirect-goto.c
to pass with the new indirect goto lowering.


git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@85709 91177308-0d34-0410-b5e6-96231b3b80d8
 2009-11-01 06:11:53 +00:00
Chris Lattner
882029269e change llvm::MergeBlockIntoPredecessor to not merge two blocks BB1->BB2 
when BB2 has its address taken.  Since it ends up doing BB2->rauw(BB1),
this can cause the address of the entry block to be taken.  Since it is
generally undesirable to nuke blocks whose address is taken, even when
we can, just unconditionally stop this xform.


git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@85708 91177308-0d34-0410-b5e6-96231b3b80d8
 2009-11-01 04:57:33 +00:00
Chris Lattner
0b649dd91f strengthen an assumption: RevectorBlockTo knows that PredBB 
ended in an uncond branch because the pass requires BreakCriticalEdges.

However, BCE doesn't eliminate critical adges from indbrs.


git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@85707 91177308-0d34-0410-b5e6-96231b3b80d8
 2009-11-01 04:23:20 +00:00
Chris Lattner
660a4f389c fix an issue where the verifier would reject a function whose entry 
block had its address taken even if the blockaddress was dead.


git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@85706 91177308-0d34-0410-b5e6-96231b3b80d8
 2009-11-01 04:08:01 +00:00
Chris Lattner
da9c281121 if CostMetrics says to never duplicate some code, don't unswitch a loop. 
This prevents unswitching from duplicating indbr's.


git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@85705 91177308-0d34-0410-b5e6-96231b3b80d8
 2009-11-01 03:42:55 +00:00
Chris Lattner
0a4c6789d5 constant fold indirectbr(blockaddress(%bb)) -> br label %bb. 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@85704 91177308-0d34-0410-b5e6-96231b3b80d8
 2009-11-01 03:40:38 +00:00
Chris Lattner
43f44aa160 improve x86 codegen support for blockaddress. We now compile 
the testcase into:

_test1:                                                     ## @test1
## BB#0:                                                    ## %entry
	leaq	L_test1_bb6(%rip), %rax
	jmpq	*%rax
L_test1_bb:                                                 ## Address Taken
LBB1_1:                                                     ## %bb
	movb	$1, %al
	ret
L_test1_bb6:                                                ## Address Taken
LBB1_2:                                                     ## %bb6
	movb	$2, %al
	ret

Note, it is very very strange that BlockAddressSDNode doesn't carry 
around TargetFlags.  Dan, please fix this.


git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@85703 91177308-0d34-0410-b5e6-96231b3b80d8
 2009-11-01 03:25:03 +00:00
Chris Lattner
b93a23a532 pull check for return inst out of loop, never inline a callee that contains 
an indirectbr.


git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@85702 91177308-0d34-0410-b5e6-96231b3b80d8
 2009-11-01 03:07:53 +00:00
Chris Lattner
d0ec2352ae Fix BlockAddress::replaceUsesOfWithOnConstant to correctly 
maintain the block use count in SubclassData.


git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@85701 91177308-0d34-0410-b5e6-96231b3b80d8
 2009-11-01 03:03:03 +00:00
Chris Lattner
2a749d3647 implement linker support for BlockAddress. 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@85700 91177308-0d34-0410-b5e6-96231b3b80d8
 2009-11-01 02:46:39 +00:00
Chris Lattner
cdfc940912 Revert 85678/85680. The decision is to stay with the current form of 
indirectbr, thus we don't need "blockaddr(@func, null)".  Eliminate it
for simplicity.


git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@85699 91177308-0d34-0410-b5e6-96231b3b80d8
 2009-11-01 01:27:45 +00:00
Evan Cheng
de17fb6e4d Use cbz and cbnz instructions. 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@85698 91177308-0d34-0410-b5e6-96231b3b80d8
 2009-10-31 23:46:45 +00:00
Jim Grosbach
8cd0a8cb82 vml[as].f32 cause stalls in following advanced SIMD instructions. Avoid using 
them for scalar floating point operations for now.

git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@85697 91177308-0d34-0410-b5e6-96231b3b80d8
 2009-10-31 22:57:36 +00:00
Chris Lattner
fb6e701f08 Make sure PRE doesn't split crit edges from indirectbr. 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@85692 91177308-0d34-0410-b5e6-96231b3b80d8
 2009-10-31 22:11:15 +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
Chris Lattner
1b98ff3e4f update the comment above llvm::SplitCriticalEdge, and make 
it abort on IndirectBrInst as describe in the comment.


git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@85688 91177308-0d34-0410-b5e6-96231b3b80d8
 2009-10-31 21:51:10 +00:00
Jim Grosbach
bcf2f2c159 Expand 64-bit logical shift right inline 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@85687 91177308-0d34-0410-b5e6-96231b3b80d8
 2009-10-31 21:42:19 +00:00
Jim Grosbach
b4a976c304 Expand 64-bit arithmetic shift right inline 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@85685 91177308-0d34-0410-b5e6-96231b3b80d8
 2009-10-31 21:00:56 +00:00