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480c529e02
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8280 Commits

Author SHA1 Message Date
David Goodwin
480c529e02 Checkpoint more aggressive anti-dependency breaking for post-ra scheduler. 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@84658 91177308-0d34-0410-b5e6-96231b3b80d8
 2009-10-20 19:54:44 +00:00
Dan Gohman
1a49295eae Make TranslateX86CC return COND_INVALID instead of aborting when it 
encounters an OEQ or UNE comparison, and update its callers to check
for this return status and recover. This fixes a problem resulting from
the LowerOperation hooks being called from LegalizeVectorOps, because
LegalizeVectorOps only lowers vectors, so OEQ and UNE comparisons may
still be at large. This fixes PR5092.


git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@84640 91177308-0d34-0410-b5e6-96231b3b80d8
 2009-10-20 16:22:37 +00:00
Torok Edwin
f993327e71 Fix PR5258, jump-threading creating invalid PHIs. 
When an incoming value for a PHI is updated, we must also updated all other
incoming values for the same BB to match, otherwise we create invalid PHIs.


git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@84638 91177308-0d34-0410-b5e6-96231b3b80d8
 2009-10-20 15:42:00 +00:00
Torok Edwin
2b6183d254 Fix PR4313: IPSCCP was not setting the lattice value for the invoke instruction 
when the invoke had multiple return values: it set the lattice value only on the
extractvalue.
This caused the invoke's lattice value to remain the default (undefined), and
later propagated to extractvalue's operand, which incorrectly introduces
undefined behavior.


git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@84637 91177308-0d34-0410-b5e6-96231b3b80d8
 2009-10-20 15:15:09 +00:00
Dan Gohman
07adb85cb7 Re-apply r84295, with fixes to how the loop "top" and "bottom" blocks are 
tracked. Instead of trying to manually keep track of these locations
while doing complex modifications, just recompute them when they're needed.
This fixes a bug in which the TopMBB and BotMBB were not correctly updated,
leading to invalid transformations.


git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@84598 91177308-0d34-0410-b5e6-96231b3b80d8
 2009-10-20 04:50:37 +00:00
Evan Cheng
0222a8cfb8 If the physical register being spilled does not have an interval, spill its sub-registers instead. 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@84586 91177308-0d34-0410-b5e6-96231b3b80d8
 2009-10-20 01:31:09 +00:00
Jim Grosbach
6009751244 Enable allocation of R3 in Thumb1 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@84563 91177308-0d34-0410-b5e6-96231b3b80d8
 2009-10-19 22:57:03 +00:00
Chris Lattner
7bf4bc5a1d convert to filecheck syntax and make a lot more aggressive. 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@84517 91177308-0d34-0410-b5e6-96231b3b80d8
 2009-10-19 18:27:56 +00:00
Anton Korobeynikov
766fc1db16 Revert r84295, this unbreaks llvm-gcc bootstrap on x86-64/linux 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@84516 91177308-0d34-0410-b5e6-96231b3b80d8
 2009-10-19 18:21:09 +00:00
Chris Lattner
baa989ed6e rename test 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@84515 91177308-0d34-0410-b5e6-96231b3b80d8
 2009-10-19 18:18:07 +00:00
Dan Gohman
841a147531 Fix SplitBlockPredecessors' LoopInfo updating code to handle the case 
where a loop's header is being split and it has predecessors which are not
contained by the most-nested loop which contains the loop.
This fixes PR5235.


git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@84505 91177308-0d34-0410-b5e6-96231b3b80d8
 2009-10-19 16:04:50 +00:00
Torok Edwin
6602922878 Fix PR5247, "lock addq" pattern (and other atomics), it DOES modify EFLAGS. 
LLC was scheduling compares before the adds causing wrong branches to be taken
in programs, resulting in misoptimized code wherever atomic adds where used.


git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@84485 91177308-0d34-0410-b5e6-96231b3b80d8
 2009-10-19 11:00:58 +00:00
Chris Lattner
13435d9383 eliminate md_on_instruction.ll, md_on_instruction2.ll is a superset of it. 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@84464 91177308-0d34-0410-b5e6-96231b3b80d8
 2009-10-19 05:34:14 +00:00
Daniel Dunbar
068c56e0d7 Teach lit that the .c files in 'test/CodeGen/CellSPU/useful-harnesses' aren't tests. 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@84460 91177308-0d34-0410-b5e6-96231b3b80d8
 2009-10-19 03:53:55 +00:00
Nate Begeman
a09008bf6d Add support for matching shuffle patterns with palignr. 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@84459 91177308-0d34-0410-b5e6-96231b3b80d8
 2009-10-19 02:17:23 +00:00
Evan Cheng
d36076e4a3 Turn on post-alloc scheduling for x86. 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@84431 91177308-0d34-0410-b5e6-96231b3b80d8
 2009-10-18 19:57:27 +00:00
Chris Lattner
1c79be9dcd remove a now-pointless regtest 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@84409 91177308-0d34-0410-b5e6-96231b3b80d8
 2009-10-18 05:20:17 +00:00
Chris Lattner
76596c86c4 remove testcase for dead pass 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@84406 91177308-0d34-0410-b5e6-96231b3b80d8
 2009-10-18 05:03:41 +00:00
Chris Lattner
ec63ad6c1f fix test 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@84405 91177308-0d34-0410-b5e6-96231b3b80d8
 2009-10-18 05:03:00 +00:00
Chris Lattner
e62b2633e8 tighten up test3, add test3a for the converse 
transform, which isn't happening yet.


git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@84402 91177308-0d34-0410-b5e6-96231b3b80d8
 2009-10-18 04:55:26 +00:00
Chris Lattner
6e85d91144 tighten test2, add a test that it doesn't get transformed in the invalid edge case. 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@84401 91177308-0d34-0410-b5e6-96231b3b80d8
 2009-10-18 04:50:18 +00:00
Nick Lewycky
15d3c05adf Merge tests into modref.ll. Also add a test for r84174 at Chris' behest! 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@84400 91177308-0d34-0410-b5e6-96231b3b80d8
 2009-10-18 04:41:36 +00:00
Nick Lewycky
c1a38f59b5 Add a couple new testcases. 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@84385 91177308-0d34-0410-b5e6-96231b3b80d8
 2009-10-18 00:42:07 +00:00
Chris Lattner
a22922d19a replace a useless test with a useful one 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@84383 91177308-0d34-0410-b5e6-96231b3b80d8
 2009-10-17 23:59:51 +00:00
Nick Lewycky
3fc35c594c Fix test/Bindings/Ocaml/vmcore.ml. When IRBuilder::CreateMalloc was removed, 
LLVMBuildMalloc was reimplemented but with the bug that it didn't insert the
resulting instruction.


git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@84374 91177308-0d34-0410-b5e6-96231b3b80d8
 2009-10-17 23:52:26 +00:00
Chris Lattner
59c4eba416 Teach vm core to more aggressively fold 'trunc' constantexprs, 
allowing it to simplify the crazy constantexprs in the testcases
down to something sensible.  This allows -std-compile-opts to
completely "devirtualize" the pointers to member functions in
the testcase from PR5176.



git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@84368 91177308-0d34-0410-b5e6-96231b3b80d8
 2009-10-17 21:53:27 +00:00
Chris Lattner
5e5c4d3d5a remove # uses from FileCheck lines. 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@84367 91177308-0d34-0410-b5e6-96231b3b80d8
 2009-10-17 21:51:19 +00:00
Chris Lattner
c812f79fb8 rename test 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@84364 91177308-0d34-0410-b5e6-96231b3b80d8
 2009-10-17 21:31:19 +00:00
Mikhail Glushenkov
2cea7bdef9 Disallow multiple instances of PluginPriority. 
Several instances of PluginPriority in a single file most probably signifies a
programming error.

git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@84350 91177308-0d34-0410-b5e6-96231b3b80d8
 2009-10-17 20:08:30 +00:00
Chris Lattner
6128df5255 Simplify some code (first hunk) and fix PR5208 (second hunk) by 
updating the callgraph when introducing a call.


git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@84310 91177308-0d34-0410-b5e6-96231b3b80d8
 2009-10-17 05:39:39 +00:00
Daniel Dunbar
9c7ca4a745 Reclaim a lost month. 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@84303 91177308-0d34-0410-b5e6-96231b3b80d8
 2009-10-17 03:28:20 +00:00
Dan Gohman
3bdd8de280 Enhance CodePlacementOpt's unconditional intra-loop branch elimination logic 
to be more general and understand more varieties of loops.

Teach CodePlacementOpt to reorganize the basic blocks of a loop so that
they are contiguous. This also includes a fair amount of logic for preserving
fall-through edges while doing so. This fixes a BranchFolding-ism where blocks
which can't be made to use a fall-through edge and don't conveniently fit
anywhere nearby get tossed out to the end of the function.


git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@84295 91177308-0d34-0410-b5e6-96231b3b80d8
 2009-10-17 00:32:43 +00:00
Victor Hernandez
13ad5aaaff Autoupgrade malloc insts to malloc calls. 
Update testcases that rely on malloc insts being present.

Also prematurely remove MallocInst handling from IndMemRemoval and RaiseAllocations to help pass tests in this incremental step.



git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@84292 91177308-0d34-0410-b5e6-96231b3b80d8
 2009-10-17 00:00:19 +00:00
Victor Hernandez
8db42d2b1c HeapAllocSRoA also needs to check if malloc array size can be computed. 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@84288 91177308-0d34-0410-b5e6-96231b3b80d8
 2009-10-16 23:12:25 +00:00
Mon P Wang
362b8f2786 Update tests to use FileCheck 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@84282 91177308-0d34-0410-b5e6-96231b3b80d8
 2009-10-16 22:09:05 +00:00
Mon P Wang
70bf40d02e Add test case for r84279 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@84280 91177308-0d34-0410-b5e6-96231b3b80d8
 2009-10-16 22:07:19 +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
Devang Patel
a43d46f523 Parse PHI instruction with attached metadata. 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@84264 91177308-0d34-0410-b5e6-96231b3b80d8
 2009-10-16 18:45:49 +00:00
Devang Patel
149aa7cce3 If there is not any llvm instruction associated with each lexical scope encoded in debug info then create such scope on demand for variable info. 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@84262 91177308-0d34-0410-b5e6-96231b3b80d8
 2009-10-16 18:18:03 +00:00
Victor Hernandez
3a73bb38ba Invert isSafeToGetMallocArraySize check because we return NULL when we don't know the size. 
Thanks to Duncan Sands for noticing this bug.



git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@84260 91177308-0d34-0410-b5e6-96231b3b80d8
 2009-10-16 18:07:17 +00:00
Daniel Dunbar
db196e82a4 Force triple in tests. 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@84257 91177308-0d34-0410-b5e6-96231b3b80d8
 2009-10-16 16:30:02 +00:00
Duncan Sands
0f2bd97434 Check that GVN performs this transform even if the calls 
themselves are not marked readonly, but only the called
functions.


git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@84253 91177308-0d34-0410-b5e6-96231b3b80d8
 2009-10-16 12:18:23 +00:00
Evan Cheng
d3dd50fec0 Enable post-alloc scheduling for all ARM variants except for Thumb1. 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@84249 91177308-0d34-0410-b5e6-96231b3b80d8
 2009-10-16 06:11:08 +00:00
Daniel Dunbar
75773ff00d MC: Tweak variable assignment diagnostics, and make reassignment of non-absolute 
variables and symbols invalid.

git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@84232 91177308-0d34-0410-b5e6-96231b3b80d8
 2009-10-16 01:57:39 +00:00
Daniel Dunbar
fffff915d5 MC: When parsing a variable reference, substitute absolute variables immediately 
since they are allowed to be redefined.

git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@84230 91177308-0d34-0410-b5e6-96231b3b80d8
 2009-10-16 01:34:54 +00:00
Sandeep Patel
452b54a8ae Branches must be the last instruction in a Thumb2 IT block. Approved by Evan Cheng. 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@84212 91177308-0d34-0410-b5e6-96231b3b80d8
 2009-10-15 22:25:32 +00:00
Sanjiv Gupta
753ec15d5f Re-apply 84180 with the fixed test case. 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@84195 91177308-0d34-0410-b5e6-96231b3b80d8
 2009-10-15 19:26:25 +00:00
Jakob Stoklund Olesen
6ad8c84d70 Move Blackfin intrinsics into the Target/Blackfin directory. 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@84194 91177308-0d34-0410-b5e6-96231b3b80d8
 2009-10-15 18:50:52 +00:00
Dan Gohman
cd2ae14ce3 Make CodePlacementOpt align loops, rather than loop headers. The 
header is just the entry block to the loop, and it needn't be at
the top of the loop in the code layout.

Remove the code that suppressed loop alignment for outer loops,
so that outer loops are aligned.


git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@84158 91177308-0d34-0410-b5e6-96231b3b80d8
 2009-10-15 00:36:22 +00:00
Evan Cheng
a2f8047134 When LiveVariables is adding implicit-def to model "partial dead", add the earlyclobber marker if the superreg def has it. 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@84153 91177308-0d34-0410-b5e6-96231b3b80d8
 2009-10-14 23:39:27 +00:00