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Author SHA1 Message Date
Dan Gohman
1274ced8a3 Fix a post-RA scheduling liveness bug. When a basic block is being 
scheduled in multiple regions, liveness data used by the
anti-dependence breaker is carried from one region to the next, however
the information reflects the state of the instructions before scheduling.
After scheduling, there may be new live range overlaps. Handle this by
pessimizing the liveness data carried between regions to the point where
it will be conservatively correct now matter how the earlier region is
scheduled. This fixes a miscompilation in 176.gcc with the post-RA
scheduler enabled.


git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@66558 91177308-0d34-0410-b5e6-96231b3b80d8
 2009-03-10 18:10:43 +00:00
Devang Patel
9200c89968 Ignore dbg info, while estimating size of jump through block. 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@66554 91177308-0d34-0410-b5e6-96231b3b80d8
 2009-03-10 18:00:05 +00:00
Rafael Espindola
075630a158 Fix rebuilding after a .td file is modified. This was broken since revision 
65834.




git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@66553 91177308-0d34-0410-b5e6-96231b3b80d8
 2009-03-10 17:58:54 +00:00
Chris Lattner
1b030a116d don't pass -Wl,-exported_symbol -Wl,_main to the linker when building on 
Tiger.  PR3743


git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@66550 91177308-0d34-0410-b5e6-96231b3b80d8
 2009-03-10 17:15:56 +00:00
Stuart Hastings
ab5acba347 Tweak the DejaGNU voodoo to match Bill's advice. 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@66547 91177308-0d34-0410-b5e6-96231b3b80d8
 2009-03-10 16:44:45 +00:00
Daniel Dunbar
e77e434bc9 PR3478: raw_ostream should not buffer stderr 
- Add unbuffered flag to raw_ostream, forwarded by raw_fd_ostream and
   used by raw_stderr_ostream.


git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@66545 91177308-0d34-0410-b5e6-96231b3b80d8
 2009-03-10 16:21:55 +00:00
Daniel Dunbar
7af9248391 Add C++ marker. 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@66543 91177308-0d34-0410-b5e6-96231b3b80d8
 2009-03-10 15:56:48 +00:00
John Criswell
090c0a2ffd Do not attempt to do parial redundancy elimination on void values. 
Also fixed a punctuation error in the header comment.
This fixes PR3775.


git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@66542 91177308-0d34-0410-b5e6-96231b3b80d8
 2009-03-10 15:04:53 +00:00
Torok Edwin
ff7d0e9509 Global variables don't have a corresponding llvm.dbg.declare, yet it is possible 
to obtain debug info about them.
Introduce helpers to access debug info for global variables. Also introduce a
helper that works for both local and global variables.


git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@66541 91177308-0d34-0410-b5e6-96231b3b80d8
 2009-03-10 13:41:26 +00:00
Sanjiv Gupta
c29f0c7dde Mark the Defs and Uses of STATUS register correctly, plus some reformatting. 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@66540 91177308-0d34-0410-b5e6-96231b3b80d8
 2009-03-10 10:35:34 +00:00
Evan Cheng
8c7848f17f If a function is marked alwaysinline, it must be inlined (possibly for correctness). Do so even if the callee has dynamic alloca and the caller doesn't. 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@66539 91177308-0d34-0410-b5e6-96231b3b80d8
 2009-03-10 07:57:50 +00:00
Bill Wendling
3528e38fdf Add radar number. 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@66534 91177308-0d34-0410-b5e6-96231b3b80d8
 2009-03-10 06:53:54 +00:00
Chris Lattner
3e0cc2634e wire up support for emitting "special" values from inline asm 
format strings with the standard ${:foo} syntax.


git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@66527 91177308-0d34-0410-b5e6-96231b3b80d8
 2009-03-10 05:37:13 +00:00
Dan Gohman
3328adda6b Add more information to the EFLAGS note. 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@66515 91177308-0d34-0410-b5e6-96231b3b80d8
 2009-03-10 00:26:23 +00:00
Stuart Hastings
1f2f31493e Check for warnings about inappropriate weak_imports. 
Darwin-specific; marked XFAIL for others.


git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@66514 91177308-0d34-0410-b5e6-96231b3b80d8
 2009-03-10 00:17:39 +00:00
Dan Gohman
ad93e1e5fc Add a note about EFLAGS optimization. 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@66508 91177308-0d34-0410-b5e6-96231b3b80d8
 2009-03-09 23:47:02 +00:00
Devang Patel
412a446974 Ignore debug info while evaluating function. 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@66490 91177308-0d34-0410-b5e6-96231b3b80d8
 2009-03-09 23:04:12 +00:00
Dan Gohman
9d10086797 Don't record the increment instruction; just recompute it from the Phi 
if needed. This simplifies the code a little, and is needed for an
upcoming refactoring.


git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@66479 91177308-0d34-0410-b5e6-96231b3b80d8
 2009-03-09 22:04:01 +00:00
Chris Lattner
96c96b46e9 Fix PR3724 by searching for the largest free block when 
allocating memory in the JIT.  This is insanely inefficient, but
hey, most people implement their own memory managers anyway.

Patch by Eric Yew!


git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@66472 91177308-0d34-0410-b5e6-96231b3b80d8
 2009-03-09 21:34:10 +00:00
Devang Patel
d07128c906 Remove llvm.dbg.global_variables also. 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@66471 91177308-0d34-0410-b5e6-96231b3b80d8
 2009-03-09 21:32:28 +00:00
Dan Gohman
3cfe6a4bc2 Fix a few more places where induction variable types were used 
where memory access types are needed.


git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@66470 91177308-0d34-0410-b5e6-96231b3b80d8
 2009-03-09 21:22:12 +00:00
Dan Gohman
bb5b49cb8d Use ReplacedTy instead of recomputing the same value. 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@66469 91177308-0d34-0410-b5e6-96231b3b80d8
 2009-03-09 21:19:58 +00:00
Dan Gohman
0daeed270b Use LoopInfo's getLoopLatch() instead of doing what it does manualy. 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@66467 91177308-0d34-0410-b5e6-96231b3b80d8
 2009-03-09 21:14:16 +00:00
Dan Gohman
53f2ae268a Don't use an induction variable type as a memory access type. 
Use VoidTy instead, to be properly conservative.


git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@66463 91177308-0d34-0410-b5e6-96231b3b80d8
 2009-03-09 21:04:19 +00:00
Dan Gohman
21e7722868 Factor out the code that determines the memory access type 
of an instruction into a helper function.


git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@66460 91177308-0d34-0410-b5e6-96231b3b80d8
 2009-03-09 21:01:17 +00:00
Chris Lattner
8c0e62cdb2 Clarify wording, patch by Stefanus Du Toit! 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@66458 91177308-0d34-0410-b5e6-96231b3b80d8
 2009-03-09 20:55:18 +00:00
Devang Patel
23e528be80 Add helper pass to remove llvm.dbg.declare intrinsics. 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@66454 91177308-0d34-0410-b5e6-96231b3b80d8
 2009-03-09 20:49:37 +00:00
Dan Gohman
f7912df4cb Move the sorting of the StrideOrder array earlier so that it doesn't 
have to be done twice.


git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@66449 91177308-0d34-0410-b5e6-96231b3b80d8
 2009-03-09 20:46:50 +00:00
Dan Gohman
9f4ac31a94 Delete the isOnlyStride argument, which is unused. 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@66446 91177308-0d34-0410-b5e6-96231b3b80d8
 2009-03-09 20:41:15 +00:00
Dan Gohman
80b0f8c062 Tidy some LSR debug output: announce the loop it's about to process 
before it does any processing.


git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@66443 91177308-0d34-0410-b5e6-96231b3b80d8
 2009-03-09 20:34:59 +00:00
Evan Cheng
8c6b991635 ARM target now also recognize triplets like thumbv6-apple-darwin and set thumb mode and arch subversion. Eventually thumb triplets will go way and replaced with function notes. 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@66435 91177308-0d34-0410-b5e6-96231b3b80d8
 2009-03-09 20:25:39 +00:00
Chris Lattner
66b8bc3289 Fix PR3763 by using proper APInt methods instead of uint64_t's. 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@66434 91177308-0d34-0410-b5e6-96231b3b80d8
 2009-03-09 20:22:18 +00:00
Gabor Greif
1dfe6a0030 make the Op<N> methods protected, how it was intended to be 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@66430 91177308-0d34-0410-b5e6-96231b3b80d8
 2009-03-09 19:57:49 +00:00
Evan Cheng
6501153fc0 ARM isLegalAddressImmediate should check if type is a simple type now that optimizer can create values of funky scalar types. 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@66429 91177308-0d34-0410-b5e6-96231b3b80d8
 2009-03-09 19:15:00 +00:00
Evan Cheng
0d8fc52ed3 Yet another case where the spiller marked two uses of the same register on the same instruction as kill. This fixes PR3706. 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@66428 91177308-0d34-0410-b5e6-96231b3b80d8
 2009-03-09 19:00:05 +00:00
Evan Cheng
c785b4f4a6 Re-apply 66315, but restrict it to Darwin only. 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@66427 91177308-0d34-0410-b5e6-96231b3b80d8
 2009-03-09 18:28:37 +00:00
Bill Wendling
9aaa0796ad Revert r66415. It's causing failures during bootstrap builds: 
Please submit a full bug report,
with preprocessed source if appropriate.
See <URL:http://developer.apple.com/bugreporter> for instructions.
/Volumes/Sandbox/Buildbot/llvm/full-llvm/build/llvmgcc42.roots/llvmgcc42~obj/src/gcc/libgcc2.c: In function '__muldi3':
/Volumes/Sandbox/Buildbot/llvm/full-llvm/build/llvmgcc42.roots/llvmgcc42~obj/src/gcc/libgcc2.c:567: internal compiler error: Bus error
Please submit a full bug report,
with preprocessed source if appropriate.
See <URL:http://developer.apple.com/bugreporter> for instructions.
/Volumes/Sandbox/Buildbot/llvm/full-llvm/build/llvmgcc42.roots/llvmgcc42~obj/src/gcc/libgcc2.c: In function '__lshrdi3':
/Volumes/Sandbox/Buildbot/llvm/full-llvm/build/llvmgcc42.roots/llvmgcc42~obj/src/gcc/libgcc2.c:421: internal compiler error: Bus error
Please submit a full bug report,
with preprocessed source if appropriate.
See <URL:http://developer.apple.com/bugreporter> for instructions.
make[5]: *** [libgcc/./_lshrdi3.o] Error 1
make[5]: *** Waiting for unfinished jobs....
make[5]: *** [libgcc/./_muldi3.o] Error 1
make[5]: *** [libgcc/./_negdi2.o] Error 1


--- Reverse-merging (from foreign repository) r66415 into '.':
U    include/llvm/BasicBlock.h
U    include/llvm/ADT/ilist_node.h
U    include/llvm/CodeGen/SelectionDAG.h
U    include/llvm/CodeGen/MachineFunction.h
U    include/llvm/CodeGen/MachineBasicBlock.h
U    include/llvm/Function.h



git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@66426 91177308-0d34-0410-b5e6-96231b3b80d8
 2009-03-09 18:01:33 +00:00
Bob Wilson
1a6d31aee6 Add a constructor for BuildVectorSDNode and revert the temporary workaround 
from 66280.  I was unable to verify this with gcc-3.4.6, but with gcc-3.3 it
avoids the "base class with only non-default constructor in class without
a constructor" warning.  Apparently that warning was promoted to an error
in gcc-3.4.


git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@66424 91177308-0d34-0410-b5e6-96231b3b80d8
 2009-03-09 17:07:15 +00:00
Duncan Sands
ee199f72bb This debug info special case should no longer 
be needed now that these intrinsics are marked
as not accessing memory.


git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@66420 91177308-0d34-0410-b5e6-96231b3b80d8
 2009-03-09 11:57:08 +00:00
Chris Lattner
ea3a9ff53d just remove the use_empty() check entirely, the only reason it 
existed was for llvm-gcc 3.4 (which used the __main hack) which 
is really really long dead.


git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@66417 91177308-0d34-0410-b5e6-96231b3b80d8
 2009-03-09 08:18:48 +00:00
Gabor Greif
5c3e7b1718 in builds without asserts we do not need to allocate the Next pointer in "ghostly" sentinels 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@66415 91177308-0d34-0410-b5e6-96231b3b80d8
 2009-03-09 07:09:01 +00:00
Nick Lewycky
bf65de131f Regenerate. 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@66407 91177308-0d34-0410-b5e6-96231b3b80d8
 2009-03-09 06:16:46 +00:00
Nick Lewycky
59fad7d933 Remove configurey-fu to autodetect hash_map and hash_set now that they are 
no longer used in LLVM.


git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@66406 91177308-0d34-0410-b5e6-96231b3b80d8
 2009-03-09 06:16:26 +00:00
Chris Lattner
f231c07228 Make the code generator rip of dead constant expr uses before deciding 
whether a global is dead or not.  This should fix PR3749 - linker adds 
spurious use to appending globals.  I can't reasonably add a testcase
for this, because the bc writer/reader strip dead constant users.


git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@66404 91177308-0d34-0410-b5e6-96231b3b80d8
 2009-03-09 05:52:15 +00:00
Chris Lattner
319e63234a make GlobalValue::removeDeadConstantUsers() const. 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@66403 91177308-0d34-0410-b5e6-96231b3b80d8
 2009-03-09 05:50:45 +00:00
Chris Lattner
339c93b074 testcase for PR3744 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@66401 91177308-0d34-0410-b5e6-96231b3b80d8
 2009-03-09 05:44:59 +00:00
Chris Lattner
f1a3082513 don't allow hash_map or hash_set. 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@66400 91177308-0d34-0410-b5e6-96231b3b80d8
 2009-03-09 05:20:45 +00:00
Owen Anderson
f6cec85a4b Ignore debug intrinsics when computing dependences. 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@66399 91177308-0d34-0410-b5e6-96231b3b80d8
 2009-03-09 05:12:38 +00:00
Chris Lattner
d7168ddb11 reimplement AliasSetTracker in terms of DenseMap instead of hash_map, 
hopefully no functionality change.


git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@66398 91177308-0d34-0410-b5e6-96231b3b80d8
 2009-03-09 05:11:09 +00:00
Chris Lattner
f9f7da830e add a #include to improve portability to windows, as requested by 
someone on llvmdev.


git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@66397 91177308-0d34-0410-b5e6-96231b3b80d8
 2009-03-09 05:10:08 +00:00