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2368 Commits

Author SHA1 Message Date
Evan Cheng
3edb8b18a5 Fix PR4986. "r1024 = insert_subreg r1024, undef, 2" cannot be turned in an implicit_def. Instead, it's an identity copy so it should be eliminated. Also make sure to update livevariable kill information. 
llvm-svn: 82436
 2009-09-21 04:32:32 +00:00
Dale Johannesen
f8d05d7ce6 When computing live intervals for earlyclobber operands, 
we pushed the beginning of the interval back 1, so the
interval would overlap with inputs that die.  We were
also pushing the end of the interval back 1, though,
which means the earlyclobber didn't overlap with other
output operands.  Don't do this.  PR 4964.

llvm-svn: 82342
 2009-09-20 00:36:41 +00:00
Evan Cheng
7714c8412d Fix PR4926. When target hook EmitInstrWithCustomInserter() insert new basic blocks and update CFG, it should also inform sdisel of the changes so the phi source operands will come from the right basic blocks. 
llvm-svn: 82311
 2009-09-19 09:51:03 +00:00
Dan Gohman
17a8a0a4e0 Delete the label names from this test to make it less fragile. 
llvm-svn: 82276
 2009-09-18 21:23:12 +00:00
Chris Lattner
60739d60bf Make a new X8632_MachoTargetObjectFile TLOF implementation whose 
getSymbolForDwarfGlobalReference is smart enough to know that it 
needs to register the stub it references with MachineModuleInfoMachO,
so that it gets emitted at the end of the file.

Move stub emission from X86ATTAsmPrinter::doFinalization to the
new X86ATTAsmPrinter::EmitEndOfAsmFile asmprinter hook.  The important
thing here is that EmitEndOfAsmFile is called *after* the ehframes are
emitted, so we get all the stubs.

This allows us to remove a gross hack from the asmprinter where it would
"just know" that it needed to output stubs for personality functions.
Now this is all driven from a consistent interface.

The testcase change is just reordering the expected output now that the
stubs come out after the ehframe instead of before.

This also unblocks other changes that Bill wants to make.

llvm-svn: 82269
 2009-09-18 20:22:52 +00:00
Dale Johannesen
7d68f8de7f Model the carry bit on ppc32. Without this we could 
move a SUBFC (etc.) below the SUBFE (etc.) that consumed
the carry bit.  Add missing ADDIC8, noticed along the way.

llvm-svn: 82266
 2009-09-18 20:15:22 +00:00
Dan Gohman
0dcc5f9922 Add support for using the FLAGS result of or, xor, and and instructions 
on x86, to avoid explicit test instructions. A few existing tests changed
due to arbitrary register allocation differences.

llvm-svn: 82263
 2009-09-18 19:59:53 +00:00
Anton Korobeynikov
fb7ac49d96 Allow symbols to start from the digit if target requests it. This allows, e.g. pinning 
variables to specified absolute address. Make use of this feature for MSP430.
This unbreaks PR4776.

llvm-svn: 82227
 2009-09-18 16:57:42 +00:00
Chris Lattner
64f5ff4836 make this testcase check darwin32 also 
llvm-svn: 82182
 2009-09-17 23:56:41 +00:00
Chris Lattner
5fa26b0479 rename test 
llvm-svn: 82181
 2009-09-17 23:55:12 +00:00
Chris Lattner
ef6c779ba2 convert to filecheck 
llvm-svn: 82179
 2009-09-17 23:54:26 +00:00
Chris Lattner
9196dc197b rename file 
llvm-svn: 82178
 2009-09-17 23:42:06 +00:00
Daniel Dunbar
9f59aae438 Remove test cases using -regalloc=simple. 
llvm-svn: 82130
 2009-09-17 06:37:07 +00:00
Evan Cheng
218f882aff Fix PR4910: Broken logic in coalescer means when a physical register liveness is being shortened, the sub-registers were not. The symptom is the register allocator could not find a free register for this particular test. 
llvm-svn: 82108
 2009-09-17 00:57:15 +00:00
Bob Wilson
9bcea11785 Convert more tests to FileCheck. 
llvm-svn: 81915
 2009-09-15 20:58:02 +00:00
Chris Lattner
0f1da52ad1 fix PR4984 by ensuring that fastisel adds properly sign extended GEP displacement 
values to machineinstrs.

llvm-svn: 81886
 2009-09-15 18:27:02 +00:00
Chris Lattner
1eac807a0b rename test 
llvm-svn: 81884
 2009-09-15 18:23:37 +00:00
Chris Lattner
af20df0244 convert to filecheck 
llvm-svn: 81882
 2009-09-15 18:23:23 +00:00
Sandeep Patel
7727a68464 Fix superreg use in ARMAsmPrinter. Approved by Anton Korobeynikov. 
llvm-svn: 81878
 2009-09-15 17:53:11 +00:00
Chris Lattner
31ba68c9af several major improvements to the sparc backend: support for weak linkage 
and PIC codegen.  Patch by Venkatraman Govindaraju!

llvm-svn: 81877
 2009-09-15 17:46:24 +00:00
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