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Author SHA1 Message Date
Dale Johannesen
e39fdbe118 Do not do tail calls to external symbols. If the 
branch turns out to be ARM-to-Thumb or vice versa
the linker cannot resolve this.  8120438.

If this optimization is going to be useful we probably
need a compiler flag "assume callees are same architecture"
or something like that.



git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@106662 91177308-0d34-0410-b5e6-96231b3b80d8
 2010-06-23 18:52:34 +00:00
Bill Wendling
151d26d15d MorphNodeTo doesn't preserve the memory operands. Because we're morphing a node 
into the same node, but with different non-memory operands, we need to replace
the memory operands after it's finished morphing.


git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@106643 91177308-0d34-0410-b5e6-96231b3b80d8
 2010-06-23 18:16:24 +00:00
Daniel Dunbar
238e73f901 tests: Tweak lit.cfg to fix breakage with out-of-dir lookup. 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@106638 91177308-0d34-0410-b5e6-96231b3b80d8
 2010-06-23 18:06:16 +00:00
Daniel Dunbar
cbe762b5d1 Revert r106263, "Fold the ShrinkDemandedOps pass into the regular DAGCombiner pass,"... it was causing both 'file' (with clang) and 176.gcc (with llvm-gcc) to be miscompiled. 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@106634 91177308-0d34-0410-b5e6-96231b3b80d8
 2010-06-23 17:09:26 +00:00
Jim Grosbach
f1ab49e83a The generic DAG combiner can now fold atomic fences when needed, so switch 
to using that.

git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@106633 91177308-0d34-0410-b5e6-96231b3b80d8
 2010-06-23 16:25:07 +00:00
Jim Grosbach
5def57aaf4 When using libcall expansions for the atomic intrinsics, the explicit 
MEMBARRIER fences aren't necessary for ARM. Tell the combiner to fold them
away.

git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@106631 91177308-0d34-0410-b5e6-96231b3b80d8
 2010-06-23 16:08:49 +00:00
Jim Grosbach
9a526495e0 Some targets don't require the fencing MEMBARRIER instructions surrounding 
atomic intrinsics, either because the use locking instructions for the
atomics, or because they perform the locking directly. Add support in the
DAG combiner to fold away the fences.

git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@106630 91177308-0d34-0410-b5e6-96231b3b80d8
 2010-06-23 16:07:42 +00:00
Jim Grosbach
b9cd499dec remove trailing whitespace 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@106628 91177308-0d34-0410-b5e6-96231b3b80d8
 2010-06-23 15:49:18 +00:00
Jakob Stoklund Olesen
014b8631c0 Add a few VNInfo data structure checks. 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@106627 91177308-0d34-0410-b5e6-96231b3b80d8
 2010-06-23 15:34:36 +00:00
Gabor Greif
b37a64a726 use ArgOperand accessors 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@106626 91177308-0d34-0410-b5e6-96231b3b80d8
 2010-06-23 13:56:57 +00:00
Gabor Greif
7bbdf0c848 use ArgOperand accessors 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@106623 91177308-0d34-0410-b5e6-96231b3b80d8
 2010-06-23 13:09:06 +00:00
Gabor Greif
bb6eabf4f5 use helper to neatly access arguments 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@106622 91177308-0d34-0410-b5e6-96231b3b80d8
 2010-06-23 08:45:32 +00:00
Eric Christopher
18ebf74781 Update uses, defs, and comments for darwin tls patterns. 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@106621 91177308-0d34-0410-b5e6-96231b3b80d8
 2010-06-23 08:01:49 +00:00
Nick Lewycky
ec4c02d252 Don't link against libm and libpthread which don't exist in BeOS/Haiku. Also, 
Haiku like Linux provides <regex.h>, so use it. Patch by Paul Davey!


git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@106620 91177308-0d34-0410-b5e6-96231b3b80d8
 2010-06-23 06:48:34 +00:00
Daniel Dunbar
d24c9d5f91 Revert r106066, "Create a more targeted fix for not sinking instructions into a range where it"... it causes bzip2 to be miscompiled by Clang. 
Conflicts:

	lib/CodeGen/MachineSink.cpp

git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@106614 91177308-0d34-0410-b5e6-96231b3b80d8
 2010-06-23 00:48:25 +00:00
Stuart Hastings
0ac9a6f9e1 Less incorrect handling of zero-length bitfields. Radars 7992077 and 8093043. 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@106611 91177308-0d34-0410-b5e6-96231b3b80d8
 2010-06-23 00:31:14 +00:00
Eric Christopher
1008d35000 Get the addend correct for i386 pic. 
Thanks Daniel!


git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@106608 91177308-0d34-0410-b5e6-96231b3b80d8
 2010-06-22 23:51:47 +00:00
Bill Wendling
e45da4f156 Generate DWARF information during Apple-style build. They'll be stripped out 
later on. But we need them saved in the symbols directory.


git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@106604 91177308-0d34-0410-b5e6-96231b3b80d8
 2010-06-22 23:44:15 +00:00
Dan Gohman
605c14fb11 Replace ScalarEvolution's private copy of getLoopPredecessor 
with LoopInfo's public copy.


git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@106603 91177308-0d34-0410-b5e6-96231b3b80d8
 2010-06-22 23:43:28 +00:00
Bruno Cardoso Lopes
62a76c6401 Add AVX compare packed instructions 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@106600 91177308-0d34-0410-b5e6-96231b3b80d8
 2010-06-22 23:37:59 +00:00
Dan Gohman
dd2fa4bbea Loosen up this test so that it doesn't depend as much on register 
allocation details.


git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@106599 91177308-0d34-0410-b5e6-96231b3b80d8
 2010-06-22 23:32:47 +00:00
Devang Patel
170f06ebe2 Revert 106592 for now. It causes clang-selfhost build failure. 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@106598 91177308-0d34-0410-b5e6-96231b3b80d8
 2010-06-22 23:29:55 +00:00
Dan Gohman
caf71ab473 Fix OptimizeMax to handle an odd case where one of the max operands 
is another max which folds. This fixes PR7454.


git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@106594 91177308-0d34-0410-b5e6-96231b3b80d8
 2010-06-22 23:07:13 +00:00
Bruno Cardoso Lopes
0caca3967b Reapply support for AVX unpack and interleave instructions, with 
testcases this time.



git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@106593 91177308-0d34-0410-b5e6-96231b3b80d8
 2010-06-22 23:02:38 +00:00
Devang Patel
186b3d2606 If a metadata operand is seeded in value map and the metadata should also be seeded in value map. This is not limited to function local metadata. 
Failure to seed metdata in such cases causes troubles when in a cloned module, metadata from a new module refers to values in old module. Usually this results in mysterious bugpoint crashes. For example,

 Checking to see if we can delete global inits: Unknown constant!
 UNREACHABLE executed at /d/g/llvm/lib/Bitcode/Writer/BitcodeWriter.cpp:904!



git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@106592 91177308-0d34-0410-b5e6-96231b3b80d8
 2010-06-22 22:53:21 +00:00
Devang Patel
3bf329f495 While cloning a module, clone metadata attached with instructions. 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@106591 91177308-0d34-0410-b5e6-96231b3b80d8
 2010-06-22 22:50:42 +00:00
Bruno Cardoso Lopes
c3d57b179c Add AVX MOV{SS,SD}{rr,rm} instructions 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@106588 91177308-0d34-0410-b5e6-96231b3b80d8
 2010-06-22 22:38:56 +00:00
Bill Wendling
19d8597bca Fix the formatting of the switch statement and add a missing break. 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@106586 91177308-0d34-0410-b5e6-96231b3b80d8
 2010-06-22 22:16:17 +00:00
Jakob Stoklund Olesen
f175c5c828 Also convert SUBREG_TO_REG to a KILL when relevant, like the other subreg 
instructions.

This does not affect codegen much because SUBREG_TO_REG is only used by X86 and
X86 does not use the register scavenger, but it prevents verifier errors.

git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@106583 91177308-0d34-0410-b5e6-96231b3b80d8
 2010-06-22 22:11:07 +00:00
Bob Wilson
a3a204664d Thumb1 functions using @llvm.returnaddress were not saving the incoming LR. 
Radar 8031193.


git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@106582 91177308-0d34-0410-b5e6-96231b3b80d8
 2010-06-22 22:04:24 +00:00
Eric Christopher
97994e0262 Move a 64-bit test to the 64-bit file. Fixes an llvm-mc assertion 
during test runs.


git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@106577 91177308-0d34-0410-b5e6-96231b3b80d8
 2010-06-22 21:11:51 +00:00
Eric Christopher
654dee4875 Look for and use a different darwin crash reporter library. 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@106576 91177308-0d34-0410-b5e6-96231b3b80d8
 2010-06-22 21:01:04 +00:00
Dale Johannesen
cda351e1b3 Add SSE so these actually pass on non-X86 hosts. 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@106575 91177308-0d34-0410-b5e6-96231b3b80d8
 2010-06-22 20:54:03 +00:00
Jim Grosbach
dd11ee2273 fix typo 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@106574 91177308-0d34-0410-b5e6-96231b3b80d8
 2010-06-22 20:52:02 +00:00
Gabor Greif
f2937ac4ed use high-level accessors 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@106573 91177308-0d34-0410-b5e6-96231b3b80d8
 2010-06-22 20:40:38 +00:00
Bruno Cardoso Lopes
e5104ac99a Fix a subtle multiclass bug: when using class inheritance on 
a toplevel 'defm', make sure to properly resolve references.



git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@106570 91177308-0d34-0410-b5e6-96231b3b80d8
 2010-06-22 20:30:50 +00:00
Bill Wendling
649fa7bad0 Corresponding test changes for r106564. 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@106569 91177308-0d34-0410-b5e6-96231b3b80d8
 2010-06-22 20:30:14 +00:00
Gabor Greif
07f639fca4 warmup ritual: use high-level argument accessors 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@106563 91177308-0d34-0410-b5e6-96231b3b80d8
 2010-06-22 19:46:37 +00:00
Mon P Wang
23a8fc6e48 Move v-binop-widen tests to X86 since they don't work on all platforms 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@106562 91177308-0d34-0410-b5e6-96231b3b80d8
 2010-06-22 19:40:50 +00:00
Devang Patel
d8800e7972 Clone named metadata while cloning a module. 
Reapply Bob's patch.


git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@106560 91177308-0d34-0410-b5e6-96231b3b80d8
 2010-06-22 18:52:38 +00:00
Bruno Cardoso Lopes
d3a067bbc2 Reorganize logical and arithmetic SSE 1 & 2 instructions 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@106557 91177308-0d34-0410-b5e6-96231b3b80d8
 2010-06-22 18:17:40 +00:00
Bruno Cardoso Lopes
f23919b3e9 Reorganize SSE instructions, making easier to see oportunities for refactoring 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@106556 91177308-0d34-0410-b5e6-96231b3b80d8
 2010-06-22 18:09:32 +00:00
Dan Gohman
853d3fb8d2 Move PHIElimination's SplitCriticalEdge for MachineBasicBlocks out 
into a utility routine, teach it how to update MachineLoopInfo, and
make use of it in MachineLICM to split critical edges on demand.


git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@106555 91177308-0d34-0410-b5e6-96231b3b80d8
 2010-06-22 17:25:57 +00:00
Jakob Stoklund Olesen
6ff1c3f36c Remove the SimpleJoin optimization from SimpleRegisterCoalescing. 
Measurements show that it does not speed up coalescing, so there is no reason
the keep the added complexity around.

Also clean out some unused methods and static functions.

git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@106548 91177308-0d34-0410-b5e6-96231b3b80d8
 2010-06-22 16:13:57 +00:00
Dan Gohman
5cf27f81f4 Split out the code for finding a unique loop predecessor from 
getLoopPreheader into a separate function, for clients which don't
require a proper preheader.


git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@106543 91177308-0d34-0410-b5e6-96231b3b80d8
 2010-06-22 15:25:42 +00:00
Dan Gohman
fe60104ac9 Use pre-increment instead of post-increment when the result is not used. 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@106542 91177308-0d34-0410-b5e6-96231b3b80d8
 2010-06-22 15:08:57 +00:00
Dan Gohman
30f30e4386 Add a comment explaining a non-obvious API. 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@106539 91177308-0d34-0410-b5e6-96231b3b80d8
 2010-06-22 13:57:08 +00:00
Dan Gohman
455164bdff Add an explicit keyword. 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@106538 91177308-0d34-0410-b5e6-96231b3b80d8
 2010-06-22 13:53:29 +00:00
Dan Gohman
9d4588ffad Allow "exhaustive" trip count evaluation on phi nodes with all 
constant operands.


git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@106537 91177308-0d34-0410-b5e6-96231b3b80d8
 2010-06-22 13:15:46 +00:00
Devang Patel
e4acff8720 Revert 106528. It is causing self host failures. 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@106529 91177308-0d34-0410-b5e6-96231b3b80d8
 2010-06-22 06:14:09 +00:00