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2348 Commits

Author SHA1 Message Date
Dan Gohman
8d6df0783e Restore a comment that was lost in the merge. 
llvm-svn: 81857
 2009-09-15 15:09:54 +00:00
Chris Lattner
60d95bf620 this is failing on linux hosts, force a triple. 
llvm-svn: 81833
 2009-09-15 04:27:29 +00:00
Chris Lattner
597e46632d merge one more in. 
llvm-svn: 81824
 2009-09-15 02:27:23 +00:00
Chris Lattner
690af119fc merge some more cmov tests into cmov.ll 
llvm-svn: 81823
 2009-09-15 02:25:21 +00:00
Chris Lattner
d65ec857d1 merge two cmov tests into one. 
llvm-svn: 81822
 2009-09-15 02:22:47 +00:00
Dan Gohman
41a3b8fba9 Don't pull a load through a callseq_start if the load's chain 
has multiple uses, as one of the other uses may be on a path
to a different node above the callseq_start, because that
leads to a cyclic graph. This problem is exposed when
-combiner-global-alias-analysis is used. This fixes PR4880.

llvm-svn: 81821
 2009-09-15 01:22:01 +00:00
Dan Gohman
9401b2fcab On x86-64, the 32-bit cmov doesn't actually clear the high 32-bit of 
its result if the condition is false.

llvm-svn: 81814
 2009-09-15 00:14:11 +00:00
Chris Lattner
dfc3079a9e merge the linux cpool/jtbl pic tests into pic.ll and convert to filecheck. 
Change the picbase symbol on non-darwin systems from ".Lllvm$4.$piclabel" to
".L4$pb".  The actual name doesn't matter and the darwin name is shorter.

llvm-svn: 81688
 2009-09-13 18:46:37 +00:00
Anton Korobeynikov
fa4c7562d5 Define proper subreg sets for arm - this should fix bunch of subtle problems 
with subreg - superreg mapping and also fix PR4965.

llvm-svn: 81657
 2009-09-13 00:59:43 +00:00
Dan Gohman
2ef4d82155 Add -mattr=+sse2 to the -march=x86 version of this test. Without 
sse, this code falls back to SelectionDAG isel which uses an x87
instruction, which is fine, but not what this test is testing for.

llvm-svn: 81656
 2009-09-12 23:45:47 +00:00
Dan Gohman
8e55f0f55b Remove an unnecessary -f. 
llvm-svn: 81546
 2009-09-11 18:41:06 +00:00
Dan Gohman
f2c290dfa6 Convert more tests to avoid llvm-as. 
llvm-svn: 81545
 2009-09-11 18:36:27 +00:00
Dan Gohman
205b641954 Change tests from "opt %s" to "opt < %s" so that opt doesn't see the 
input filename so that opt doesn't print the input filename in the
output so that grep lines in the tests don't unintentionally match
strings in the input filename.

llvm-svn: 81537
 2009-09-11 18:01:28 +00:00
Chris Lattner
ebfcd8d588 turn on -experimental-asm-printer for x86 / AT&T by default. 
llvm-svn: 81532
 2009-09-11 17:07:27 +00:00
Evan Cheng
c3ef5b0802 Follow up to 81494. When the folded reload is narrowed to a 32-bit load then change the destination register to a 32-bit one or add a sub-register index. 
llvm-svn: 81496
 2009-09-11 01:01:31 +00:00
Evan Cheng
93831c07de It's not legal to fold a load from a narrower stack slot into a wider instruction. If done, the instruction does a 64-bit load and that's not 
safe. This can happen we a subreg_to_reg 0 has been coalesced. One
exception is when the instruction that folds the load is a move, then we
can simply turn it into a 32-bit load from the stack slot.                                                                                                                    

rdar://7170444

llvm-svn: 81494
 2009-09-11 00:39:26 +00:00
Dan Gohman
964c0b8333 Reapply r81171 with a fix: don't try to use i64 when it 
isn't legal.

llvm-svn: 81492
 2009-09-11 00:34:46 +00:00
Bob Wilson
7b39f31422 Don't swap the operands of a subtraction when trying to create a 
post-decrement load/store.

llvm-svn: 81464
 2009-09-10 22:09:31 +00:00
Bob Wilson
76cffeddd1 Revert r81171 which was causing pr4927. 
llvm-svn: 81415
 2009-09-10 00:49:22 +00:00
Bob Wilson
877a857b4b Fix pr4939: Change FPCCToARMCC to translate SETOLE to ARMCC::LS. 
See the bug report for details.

llvm-svn: 81397
 2009-09-09 23:14:54 +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
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
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
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
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
Anton Korobeynikov
2b6ef7724e Unbreak getOnesVector() / getZeroVector() to use valid ARM extended imm's. 
llvm-svn: 81262
 2009-09-08 22:51:43 +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
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
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
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
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
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
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
Daniel Dunbar
ec3b6229d8 Don't depend on arch specific global prefix. 
llvm-svn: 81084
 2009-09-05 11:53:06 +00:00
Daniel Dunbar
a953c39b9e Eliminate uses of %prcontext. 
- I'd appreciate it if someone else eyeballs my changes to make sure I captured
   the intent of the test.

llvm-svn: 81083
 2009-09-05 11:35:16 +00:00
Bob Wilson
013dfaa93a Stabilize the order of live intervals in the priority_queue used by the 
linear scan reg alloc.  This fixes a problem I ran into where extracting
a function from a larger file caused the generated code to change (masking
the problem I was trying to debug) because the allocator behaved differently.

This changes the results for two X86 regression checks.  stack-color-with-reg
is improved, with one less instruction, but pr3495 is worse, with one more
copy.  As far as I can tell, these tests were just getting lucky or unlucky,
so I've changed the expected results.

llvm-svn: 81060
 2009-09-05 01:19:16 +00:00