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0357e0117e
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7962 Commits

Author SHA1 Message Date
Dan Gohman
0357e0117e Fix SplitCriticalEdge to properly update LCSSA form when splitting a 
loop exit edge -- new PHIs may be needed not only for the additional
splits that are made to preserve LoopSimplify form, but also for the
original split. Factor out the code that inserts new PHIs so that it
can be used for both. Remove LoopRotation.cpp's code for manually
updating LCSSA form, as it is now redundant. This fixes PR4934.

llvm-svn: 81363
 2009-09-09 18:18:18 +00:00
Dan Gohman
beccd0690e When widening a vector load, use the correct chain. This fixes PR4891. 
llvm-svn: 81343
 2009-09-09 14:22:57 +00:00
Torok Edwin
556197eec9 Add testcase for r81322 (PR4933). 
llvm-svn: 81327
 2009-09-09 09:34:43 +00:00
Chris Lattner
83d3519ec4 add a testacse for the objc problem that required required r81305 
to be temporarily disabled.

llvm-svn: 81320
 2009-09-09 06:19:34 +00:00
Chris Lattner
2dfd5f5963 disable the new asmprinter by default. Both the Mangler and MCSymbol 
printing stuff are quoting symbols now, breaking objc testcases.

llvm-svn: 81319
 2009-09-09 06:11:14 +00:00
Evan Cheng
91e719a6a1 Cast MO.getImm() to unsigned before comparing with an unsigned limit. 
llvm-svn: 81318
 2009-09-09 06:05:16 +00:00
Daniel Dunbar
61043be3ae Update test. 
llvm-svn: 81314
 2009-09-09 02:41:50 +00:00
Chris Lattner
c74e9c2c37 turn the mcinst asmprinter on by default for x86, tweaking two tests to 
expect the slight syntax differences in the generated code.

llvm-svn: 81305
 2009-09-09 00:41:36 +00:00
Bill Wendling
2809c62757 Remove failing test... 
llvm-svn: 81303
 2009-09-09 00:30:25 +00:00
Dan Gohman
0df0f8323c Use "opt < %s" instead of "opt %s" to keep the testname away from the grep. 
llvm-svn: 81299
 2009-09-09 00:22:49 +00:00
Chris Lattner
e2e20d69a3 this got merged into lea.ll 
llvm-svn: 81298
 2009-09-09 00:22:31 +00:00
Chris Lattner
d5bec5079a filecheckize 
llvm-svn: 81297
 2009-09-09 00:19:46 +00:00
Bill Wendling
95b3d14496 Fix PR4865. This syncs up the JIT's DWARF emitter with what's in the 
'DwarfException.cpp' file, which changed how CIEs were emitted, the sizes of
some fields, etc.

llvm-svn: 81295
 2009-09-09 00:11:02 +00:00
Dan Gohman
142428ce64 Eliminate more uses of llvm-as and llvm-dis. 
llvm-svn: 81293
 2009-09-09 00:09:15 +00:00
Dan Gohman
df2896d609 Eliminate more uses of llvm-as and llvm-dis. 
llvm-svn: 81290
 2009-09-08 23:54:48 +00:00
Chris Lattner
ded5762e28 update various tests for signedness changes in .s file. 
llvm-svn: 81289
 2009-09-08 23:51:06 +00:00
Chris Lattner
837420e12f adjust for signedness change. I'd appreciate it if an ARM flavored person 
could look at this: the top undefined bits of an immediate shouldn't affect
isel (cmp vs cmp.w)

llvm-svn: 81288
 2009-09-08 23:44:53 +00:00
Daniel Dunbar
648d754b7b Merge Archive/extract* tests into one; this avoids a race when tests are run in 
parallel (the test should really use temps for the output, though).

llvm-svn: 81287
 2009-09-08 23:44:24 +00:00
Chris Lattner
09a6252bb8 merge thumb2-bic2.ll into thumb2-bic.ll and update for signedness changes. 
llvm-svn: 81285
 2009-09-08 23:41:06 +00:00
Chris Lattner
a97bedf017 tweak this to pass on linux. 
llvm-svn: 81273
 2009-09-08 23:32:40 +00:00
Chris Lattner
840fbf6897 convert to filecheck syntax 
llvm-svn: 81267
 2009-09-08 23:16:26 +00:00
Chris Lattner
0b34068b2b change selectiondag to add the sign extended versions of immediate operands 
to instructions instead of zero extended ones.  This makes the asmprinter
print signed values more consistently.  This apparently only really affects
the X86 backend.

llvm-svn: 81265
 2009-09-08 23:05:44 +00:00
Dan Gohman
cd0fb89725 Use "opt < %s" instead of "opt %s" so that opt doesn't print the test 
filename in the output, which interferes with the tests' grep lines.

llvm-svn: 81263
 2009-09-08 22:57:49 +00:00
Anton Korobeynikov
2b6ef7724e Unbreak getOnesVector() / getZeroVector() to use valid ARM extended imm's. 
llvm-svn: 81262
 2009-09-08 22:51:43 +00:00
Dan Gohman
a3ab9b3b9e Convert a few more opt | llvm-dis to opt -S. 
llvm-svn: 81261
 2009-09-08 22:41:33 +00:00
Chris Lattner
7aff10755c filecheckize some tests 
llvm-svn: 81259
 2009-09-08 22:38:46 +00:00
Dan Gohman
c95df8b6d8 Use opt -S instead of piping bitcode output through llvm-dis. 
llvm-svn: 81257
 2009-09-08 22:34:10 +00:00
Owen Anderson
b32b599081 Fix PR4909, patch by Jakub Staszak. 
llvm-svn: 81250
 2009-09-08 19:53:15 +00:00
Chris Lattner
5caba6ecdc remove an extremely dubious instcombine transformation of 
extractelement(load).

llvm-svn: 81239
 2009-09-08 18:48:01 +00:00
Dan Gohman
84b8534266 Trim unnecessary declarations. 
llvm-svn: 81227
 2009-09-08 17:03:05 +00:00
Dan Gohman
8d84372836 Change these tests to feed the assembly files to opt directly, instead 
of using llvm-as, now that opt supports this.

llvm-svn: 81226
 2009-09-08 16:50:01 +00:00
Dan Gohman
cdaa08e706 Re-apply r80926, with fixes: keep the domtree informed of new blocks 
that get created during loop unswitching, and fix SplitBlockPredecessors'
LCSSA updating code to create new PHIs instead of trying to just move
existing ones.

Also, optimize Loop::verifyLoop, since it gets called a lot. Use
searches on a sorted list of blocks instead of calling the "contains"
function, as is done in other places in the Loop class, since "contains"
does a linear search. Also, don't call verifyLoop from LoopSimplify or
LCSSA, as the PassManager is already calling verifyLoop as part of
LoopInfo's verifyAnalysis.

llvm-svn: 81221
 2009-09-08 15:45:00 +00:00
Anton Korobeynikov
0b3a620d60 Add NEON 'laned' operations. This fixes another bunch of gcc testsuite fails and 
makes the code faster.

llvm-svn: 81220
 2009-09-08 15:22:32 +00:00
Dan Gohman
0a1df51219 Unbreak these tests. Chris, please verify that these changes are intended. 
llvm-svn: 81217
 2009-09-08 14:14:24 +00:00
Anton Korobeynikov
a3c4db1161 Unbreak 
llvm-svn: 81205
 2009-09-08 07:30:03 +00:00
Evan Cheng
e1047f16e4 When remat'ing and destination virtual register has a sub-register index. Make sure the sub-register class matches the register class of the remat'ed instruction definition register class. 
llvm-svn: 81204
 2009-09-08 06:39:07 +00:00
Chris Lattner
6c02945d93 disable some irrelevant eh emission 
llvm-svn: 81200
 2009-09-08 06:26:40 +00:00
Daniel Dunbar
1d03c5c8a7 Add 'lit' support for llvm tests. 
- This adds 'make check-lit' from the top-level Makefile.

llvm-svn: 81191
 2009-09-08 05:31:44 +00:00
Chris Lattner
2e9f3b2865 fix PR4767, a crash because fp stackifier visited blocks in 
depth first order, so it wouldn't process unreachable blocks.
When compiling at -O0, late dead block elimination isn't done
and the bad instructions got to isel.

llvm-svn: 81187
 2009-09-08 04:55:44 +00:00
Chris Lattner
12d0bc749f instcombine transforms vector loads that are only used by 
extractelement operations into a bitcast of the pointer,
then a gep, then a scalar load.  Disable this when the vector
only has one element, because it leads to infinite loops in
instcombine (PR4908).

This transformation seems like a really bad idea to me, as it
will likely disable CSE of vector load/stores etc and can be
better done in the code generator when profitable.  This
goes all the way back to the first days of packed types,
r25299 specifically.

I'll let those people who care about the performance of vector
code decide what to do with this.

llvm-svn: 81185
 2009-09-08 03:44:51 +00:00
Dan Gohman
8f7b263087 Fix an abort on a store of an empty struct member. getValue returns 
null in the case of an empty struct, so don't try to call getNumValues
on it.

llvm-svn: 81180
 2009-09-08 01:44:02 +00:00
Chris Lattner
ee1d1d3173 Fix PR4882, by making MemCpyOpt not dereference removed stores to get the 
context for the newly created operations.
 
Patch by Jakub Staszak!

llvm-svn: 81175
 2009-09-08 00:27:14 +00:00
Chris Lattner
37dbbde91b fix ComputeMaskedBits handling of zext/sext/trunc to work with vectors. 
This fixes PR4905

llvm-svn: 81174
 2009-09-08 00:13:52 +00:00
Dan Gohman
1147a7ba87 Reappy r80998, now that the GlobalOpt bug that it exposed on MiniSAT is fixed. 
llvm-svn: 81172
 2009-09-07 23:54:19 +00:00
Dan Gohman
572ecc26b6 Fix a thinko: When lowering fneg with xor, bitcast the operands 
from floating-point to integer first, and bitcast the result
back to floating-point. Previously, this test was passing by
falling back to SelectionDAG lowering. The resulting code isn't
as nice, but it's correct and CodeGen now stays on the fast path.

llvm-svn: 81171
 2009-09-07 23:47:14 +00:00
Dan Gohman
3120dffcd8 Add a testcase for the GlobalOpt inbounds fix. 
llvm-svn: 81168
 2009-09-07 23:04:59 +00:00
Dan Gohman
624543cedb Add inbounds to these getelementptrs, now that GlobalOpt requires this, 
to preserve the meaning of these tests.

llvm-svn: 81166
 2009-09-07 22:45:41 +00:00
Chris Lattner
dfb4699ba8 tighten test. 
llvm-svn: 81159
 2009-09-07 22:15:23 +00:00
Chris Lattner
0ebc0d1c4a tweak test, add PR# 
llvm-svn: 81158
 2009-09-07 22:14:41 +00:00
Daniel Dunbar
c44dc7f8fb Use -output-prefix in bugpoint tests so that outputs go in temp directory (and 
we don't race on them).

llvm-svn: 81155
 2009-09-07 19:26:18 +00:00