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8276 Commits

Author SHA1 Message Date
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
Sanjiv Gupta
d279da3360 Re-apply 84180 with the fixed test case. 
llvm-svn: 84195
 2009-10-15 19:26:25 +00:00
Jakob Stoklund Olesen
311774b780 Move Blackfin intrinsics into the Target/Blackfin directory. 
llvm-svn: 84194
 2009-10-15 18:50:52 +00:00
Dan Gohman
27c126770a 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.

llvm-svn: 84158
 2009-10-15 00:36:22 +00:00
Evan Cheng
f46b194f84 When LiveVariables is adding implicit-def to model "partial dead", add the earlyclobber marker if the superreg def has it. 
llvm-svn: 84153
 2009-10-14 23:39:27 +00:00
Nick Lewycky
0498027dec Make use of the result of the loads even though that means adding -instcombine. 
llvm-svn: 84125
 2009-10-14 19:02:13 +00:00
Chris Lattner
a1f5264dd2 make instcombine's instruction sinking more aggressive in the 
presence of PHI nodes.

llvm-svn: 84103
 2009-10-14 15:21:58 +00:00
Evan Cheng
907fd9c3fb Another BasicAA fix. If a value does not alias a GEP's base pointer, then it 
cannot alias the GEP. GEP pointer alias rule states this clearly:
A pointer value formed from a getelementptr instruction is associated with the
addresses associated with the first operand of the getelementptr.

llvm-svn: 84079
 2009-10-14 06:41:49 +00:00
Evan Cheng
b193d9df99 Replace test with a simpler hand crafted one. 
llvm-svn: 84069
 2009-10-14 01:45:10 +00:00
Dale Johannesen
fd02008e2b Use llvmgxx for C++ test. 
llvm-svn: 84066
 2009-10-14 00:34:56 +00:00
Dan Gohman
1d10570630 Fix this test to account for a movl $0 being emitted as an xor now, 
and convert it to FileCheck.

llvm-svn: 84065
 2009-10-14 00:28:48 +00:00
Dale Johannesen
5017c333d0 Testcases for msasm bit (llvm-gcc 84062). 
llvm-svn: 84063
 2009-10-14 00:10:54 +00:00
Evan Cheng
3130aba687 Teach basic AA about PHI nodes. If all operands of a phi NoAlias another value than it's safe to declare the PHI NoAlias the value. Ditto for MustAlias. 
llvm-svn: 84038
 2009-10-13 22:02:20 +00:00
Devang Patel
4eb6a32cf6 Optimizer may remove debug info. This test checks debug info for include headers. 
llvm-svn: 84025
 2009-10-13 20:56:38 +00:00
Bob Wilson
d66a3fd73b Revise ARM inline assembly memory operands to require the memory address to 
be in a register.  The previous use of ARM address mode 2 was completely
arbitrary and inappropriate for Thumb.  Radar 7137468.

llvm-svn: 84022
 2009-10-13 20:50:28 +00:00
Dale Johannesen
7db511a23e Add an "msasm" flag to inline asm as suggested in PR 5125. 
A little ugliness is accepted to keep the binary file format
compatible.  No functional change yet.

llvm-svn: 84020
 2009-10-13 20:46:56 +00:00