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8291 Commits

Author SHA1 Message Date
Chris Lattner
ccbe8ab252 the date on this testcase is wrong, it is unreduced, and it passes without the fix for PR4313. 
llvm-svn: 84674
 2009-10-20 20:57:58 +00:00
Chris Lattner
f3be536c0a merge and filecheckize 
llvm-svn: 84672
 2009-10-20 20:39:43 +00:00
Chris Lattner
827cc8fa02 merge two tests and convert to filecheck. 
llvm-svn: 84671
 2009-10-20 20:33:46 +00:00
Chris Lattner
803539f022 alternate fix for PR5258 which avoids worklist problems, with reduced testcase. 
llvm-svn: 84667
 2009-10-20 20:27:49 +00:00
David Goodwin
048b80a70a Checkpoint more aggressive anti-dependency breaking for post-ra scheduler. 
llvm-svn: 84658
 2009-10-20 19:54:44 +00:00
Dan Gohman
e0ace5c4eb 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.

llvm-svn: 84640
 2009-10-20 16:22:37 +00:00
Torok Edwin
bdcd45a9d6 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.

llvm-svn: 84638
 2009-10-20 15:42:00 +00:00
Torok Edwin
3801e755cc 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.

llvm-svn: 84637
 2009-10-20 15:15:09 +00:00
Dan Gohman
b1528d73d1 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.

llvm-svn: 84598
 2009-10-20 04:50:37 +00:00
Evan Cheng
029a85b791 If the physical register being spilled does not have an interval, spill its sub-registers instead. 
llvm-svn: 84586
 2009-10-20 01:31:09 +00:00
Jim Grosbach
2fb5eb1264 Enable allocation of R3 in Thumb1 
llvm-svn: 84563
 2009-10-19 22:57:03 +00:00
Chris Lattner
b9bbaf7f4d convert to filecheck syntax and make a lot more aggressive. 
llvm-svn: 84517
 2009-10-19 18:27:56 +00:00
Anton Korobeynikov
26ed697cf2 Revert r84295, this unbreaks llvm-gcc bootstrap on x86-64/linux 
llvm-svn: 84516
 2009-10-19 18:21:09 +00:00
Chris Lattner
6fd5bc3ba0 rename test 
llvm-svn: 84515
 2009-10-19 18:18:07 +00:00
Dan Gohman
d2e75c9ae0 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.

llvm-svn: 84505
 2009-10-19 16:04:50 +00:00
Torok Edwin
e6df0e6397 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.

llvm-svn: 84485
 2009-10-19 11:00:58 +00:00
Chris Lattner
6174703743 eliminate md_on_instruction.ll, md_on_instruction2.ll is a superset of it. 
llvm-svn: 84464
 2009-10-19 05:34:14 +00:00
Daniel Dunbar
347b151bc2 Teach lit that the .c files in 'test/CodeGen/CellSPU/useful-harnesses' aren't tests. 
llvm-svn: 84460
 2009-10-19 03:53:55 +00:00
Nate Begeman
1308a36647 Add support for matching shuffle patterns with palignr. 
llvm-svn: 84459
 2009-10-19 02:17:23 +00:00
Evan Cheng
eb82c3743a Turn on post-alloc scheduling for x86. 
llvm-svn: 84431
 2009-10-18 19:57:27 +00:00
Chris Lattner
e7c0e7f1a9 remove a now-pointless regtest 
llvm-svn: 84409
 2009-10-18 05:20:17 +00:00
Chris Lattner
878fd28407 remove testcase for dead pass 
llvm-svn: 84406
 2009-10-18 05:03:41 +00:00
Chris Lattner
eebed04912 fix test 
llvm-svn: 84405
 2009-10-18 05:03:00 +00:00
Chris Lattner
8db424f027 tighten up test3, add test3a for the converse 
transform, which isn't happening yet.

llvm-svn: 84402
 2009-10-18 04:55:26 +00:00
Chris Lattner
aff491fab6 tighten test2, add a test that it doesn't get transformed in the invalid edge case. 
llvm-svn: 84401
 2009-10-18 04:50:18 +00:00
Nick Lewycky
671ca16583 Merge tests into modref.ll. Also add a test for r84174 at Chris' behest! 
llvm-svn: 84400
 2009-10-18 04:41:36 +00:00
Nick Lewycky
d21c892821 Add a couple new testcases. 
llvm-svn: 84385
 2009-10-18 00:42:07 +00:00
Chris Lattner
1ed26100a4 replace a useless test with a useful one 
llvm-svn: 84383
 2009-10-17 23:59:51 +00:00
Nick Lewycky
4f6c397742 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.

llvm-svn: 84374
 2009-10-17 23:52:26 +00:00
Chris Lattner
2c890dc2b4 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.

llvm-svn: 84368
 2009-10-17 21:53:27 +00:00
Chris Lattner
ebc645ca40 remove # uses from FileCheck lines. 
llvm-svn: 84367
 2009-10-17 21:51:19 +00:00
Chris Lattner
270ab44108 rename test 
llvm-svn: 84364
 2009-10-17 21:31:19 +00:00
Mikhail Glushenkov
288062930b Disallow multiple instances of PluginPriority. 
Several instances of PluginPriority in a single file most probably signifies a
programming error.

llvm-svn: 84350
 2009-10-17 20:08:30 +00:00
Chris Lattner
7f32b72975 Simplify some code (first hunk) and fix PR5208 (second hunk) by 
updating the callgraph when introducing a call.

llvm-svn: 84310
 2009-10-17 05:39:39 +00:00
Daniel Dunbar
7f9b7bc8ff Reclaim a lost month. 
llvm-svn: 84303
 2009-10-17 03:28:20 +00:00
Dan Gohman
f5225573b7 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.

llvm-svn: 84295
 2009-10-17 00:32:43 +00:00
Victor Hernandez
4d7283f82c 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.

llvm-svn: 84292
 2009-10-17 00:00:19 +00:00
Victor Hernandez
00adf339dd HeapAllocSRoA also needs to check if malloc array size can be computed. 
llvm-svn: 84288
 2009-10-16 23:12:25 +00:00
Mon P Wang
72d9f1ecfe Update tests to use FileCheck 
llvm-svn: 84282
 2009-10-16 22:09:05 +00:00
Mon P Wang
7d294603e7 Add test case for r84279 
llvm-svn: 84280
 2009-10-16 22:07:19 +00:00
Dan Gohman
ef1f246d88 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.

llvm-svn: 84271
 2009-10-16 20:59:35 +00:00
Devang Patel
a4ac3dd8bc Parse PHI instruction with attached metadata. 
llvm-svn: 84264
 2009-10-16 18:45:49 +00:00
Devang Patel
5920acc861 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. 
llvm-svn: 84262
 2009-10-16 18:18:03 +00:00
Victor Hernandez
0122f679a8 Invert isSafeToGetMallocArraySize check because we return NULL when we don't know the size. 
Thanks to Duncan Sands for noticing this bug.

llvm-svn: 84260
 2009-10-16 18:07:17 +00:00
Daniel Dunbar
9483297711 Force triple in tests. 
llvm-svn: 84257
 2009-10-16 16:30:02 +00:00
Duncan Sands
71fecaa52c Check that GVN performs this transform even if the calls 
themselves are not marked readonly, but only the called
functions.

llvm-svn: 84253
 2009-10-16 12:18:23 +00:00
Evan Cheng
b1580b5c48 Enable post-alloc scheduling for all ARM variants except for Thumb1. 
llvm-svn: 84249
 2009-10-16 06:11:08 +00:00
Daniel Dunbar
af3162e523 MC: Tweak variable assignment diagnostics, and make reassignment of non-absolute 
variables and symbols invalid.

llvm-svn: 84232
 2009-10-16 01:57:39 +00:00
Daniel Dunbar
a4df6e46a4 MC: When parsing a variable reference, substitute absolute variables immediately 
since they are allowed to be redefined.

llvm-svn: 84230
 2009-10-16 01:34:54 +00:00
Sandeep Patel
c0762ba283 Branches must be the last instruction in a Thumb2 IT block. Approved by Evan Cheng. 
llvm-svn: 84212
 2009-10-15 22:25:32 +00:00