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Author SHA1 Message Date
Dan Gohman
5be18e8476 Teach SCEVExpander to expand arithmetic involving pointers into GEP 
instructions. It attempts to create high-level multi-operand GEPs,
though in cases where this isn't possible it falls back to casting
the pointer to i8* and emitting a GEP with that. Using GEP instructions
instead of ptrtoint+arithmetic+inttoptr helps pointer analyses that
don't use ScalarEvolution, such as BasicAliasAnalysis.

Also, make the AddrModeMatcher more aggressive in handling GEPs.
Previously it assumed that operand 0 of a GEP would require a register
in almost all cases. It now does extra checking and can do more
matching if operand 0 of the GEP is foldable. This fixes a problem
that was exposed by SCEVExpander using GEPs.


git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@72093 91177308-0d34-0410-b5e6-96231b3b80d8
 2009-05-19 02:15:55 +00:00
Cristian Cadar
fb57f1c8ec Test commit. 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@72092 91177308-0d34-0410-b5e6-96231b3b80d8
 2009-05-19 01:56:08 +00:00
Dan Gohman
6c3534c5aa Add some comments noting how IndVarSimplify facilitates 
LoopInfo functionality.


git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@72091 91177308-0d34-0410-b5e6-96231b3b80d8
 2009-05-19 01:52:46 +00:00
Owen Anderson
84e5cac70a Make using an unsupported CAS size a hard error on Windows. 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@72088 91177308-0d34-0410-b5e6-96231b3b80d8
 2009-05-19 01:08:36 +00:00
Owen Anderson
ecb1684d51 Fix up the Windows portion of Atomic.h. This is untested, but it is my best understanding of what should work. 
I'd be much obliged if someone on MSVC++ could try this out and let me know if it works.


git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@72087 91177308-0d34-0410-b5e6-96231b3b80d8
 2009-05-19 01:07:40 +00:00
Owen Anderson
03462230c7 Template CompareAndSwap function. 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@72086 91177308-0d34-0410-b5e6-96231b3b80d8
 2009-05-19 01:02:27 +00:00
Dale Johannesen
f4786cc07a Spacing fix. 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@72083 91177308-0d34-0410-b5e6-96231b3b80d8
 2009-05-19 00:46:42 +00:00
Mike Stump
1d4c738603 Fix cmake builds. 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@72078 91177308-0d34-0410-b5e6-96231b3b80d8
 2009-05-19 00:18:14 +00:00
Owen Anderson
71417827e8 Now that we have atomics support properly detected by configure, 
use it to implement Atomic.h.

This expunges the code previously imported from libatomic_ops.


git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@72077 91177308-0d34-0410-b5e6-96231b3b80d8
 2009-05-19 00:08:29 +00:00
Owen Anderson
d4b272bcf4 Test for the presence of GCC atomic builtins at configure time. If not found, 
disable building LLVM in thread-safe mode and print a nice warning.

Regenerate configure for these changes.


git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@72075 91177308-0d34-0410-b5e6-96231b3b80d8
 2009-05-18 23:58:51 +00:00
Daniel Dunbar
cd3f9991a0 Add -submit-aux option to NewNightlyTest.pl 
- If given, the argument will be run using system with the path to the sent
   data. Useful for testing nightlytest server replacements.


git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@72070 91177308-0d34-0410-b5e6-96231b3b80d8
 2009-05-18 23:24:26 +00:00
Bill Wendling
1180c7899c Don't set the "location" information for inlined functions' variables. 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@72064 91177308-0d34-0410-b5e6-96231b3b80d8
 2009-05-18 23:08:55 +00:00
Bill Wendling
cde5d63d90 Small code cleanup. 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@72057 91177308-0d34-0410-b5e6-96231b3b80d8
 2009-05-18 22:33:01 +00:00
Dan Gohman
3959223330 Update a comment to reflect changes in the surrounding code. 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@72051 91177308-0d34-0410-b5e6-96231b3b80d8
 2009-05-18 22:15:25 +00:00
Evan Cheng
a7185b21d8 Add short descriptions of 'implicit' and 'parallel'. 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@72050 91177308-0d34-0410-b5e6-96231b3b80d8
 2009-05-18 22:14:45 +00:00
Bill Wendling
6679ee4e80 RecordVariable is called each time a DECLARE node is encountered. For an inlined 
function, this could be many, many times. We don't want to re-add variables to
that DIE for each time. We just want to add them once. Check to make sure that
we haven't added them already.


git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@72047 91177308-0d34-0410-b5e6-96231b3b80d8
 2009-05-18 22:02:36 +00:00
Dale Johannesen
94c9cd17de Add OpSize to 16-bit ADC and SBB. 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@72045 91177308-0d34-0410-b5e6-96231b3b80d8
 2009-05-18 21:41:59 +00:00
Argyrios Kyrtzidis
c1a45f60c7 Add missing file. 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@72042 91177308-0d34-0410-b5e6-96231b3b80d8
 2009-05-18 21:08:45 +00:00
Argyrios Kyrtzidis
b3a847db0b Allow the JIT ExecutionEngine to report details about the generated machine code. 
Introduce a new class (MachineCodeInfo) that the JIT can fill in with details. Right now, just the address and the size of the machine code are reported.

Patch by Evan Phoenix!


git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@72040 91177308-0d34-0410-b5e6-96231b3b80d8
 2009-05-18 21:06:40 +00:00
Bob Wilson
8ad05c4bdf Fix CodePlacementOpt::OptimizeIntraLoopEdges so that its return value 
correctly indicates whether it changed the code.


git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@72038 91177308-0d34-0410-b5e6-96231b3b80d8
 2009-05-18 21:02:18 +00:00
Bob Wilson
e6abdffe06 Fix pr4202: Disable CodePlacementOpt for ARM. The ARMConstantIslandPass has 
to run last because it needs to know the exact size and position of every
basic block.  Currently CodePlacementOpt is set up to run last.  It might be
worthwhile to investigate reordering these passes, but for now, let's just
make it work.


git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@72037 91177308-0d34-0410-b5e6-96231b3b80d8
 2009-05-18 20:55:32 +00:00
Lang Hames
e2b201bac3 New Spiller interface and trivial implementation. 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@72030 91177308-0d34-0410-b5e6-96231b3b80d8
 2009-05-18 19:03:16 +00:00
Dan Gohman
16899a2056 Revert r72025. It is possible for clients to convert between signed types 
and pointer types safely if they only do so when the sizes are the same.
llvm-gcc is such a client.


git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@72029 91177308-0d34-0410-b5e6-96231b3b80d8
 2009-05-18 18:55:39 +00:00
Eric Christopher
d4083e5a91 Remove getType() overrides for ExtractValueInst and InsertValueInst. 
Patch by John McCall.



git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@72028 91177308-0d34-0410-b5e6-96231b3b80d8
 2009-05-18 18:46:57 +00:00
Bill Wendling
805da894cf Revert last commit. It was wrong. 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@72026 91177308-0d34-0410-b5e6-96231b3b80d8
 2009-05-18 18:21:03 +00:00
Dan Gohman
c7897e26a4 Add assertions to CastInst::getCastOpcode to catch attempted conversions 
between integers and pointers when the source type is marked signed,
since inttoptr and ptrtoint always use zero-extension when the destination
is larger than the source.


git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@72025 91177308-0d34-0410-b5e6-96231b3b80d8
 2009-05-18 18:18:57 +00:00
Bill Wendling
15ffc08267 Don't call RegionInlinedFnEnd if our optimization level isn't -O0. 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@72024 91177308-0d34-0410-b5e6-96231b3b80d8
 2009-05-18 18:17:22 +00:00
Bill Wendling
b17e76d34a Commands beginning with '--' are converted to '-f' by gcc. Blech! 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@72023 91177308-0d34-0410-b5e6-96231b3b80d8
 2009-05-18 18:09:36 +00:00
Dale Johannesen
ca11dae4a4 Fill in the missing patterns for ADC and SBB. 
Some comment cleanup.



git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@72022 91177308-0d34-0410-b5e6-96231b3b80d8
 2009-05-18 17:44:15 +00:00
Douglas Gregor
071d73d67e termios.h contains the winsize structure we need to determine the 
width of a terminal. Don't try to get the width of a terminal if we
don't have this header.


git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@72018 91177308-0d34-0410-b5e6-96231b3b80d8
 2009-05-18 17:21:34 +00:00
Dan Gohman
a537bf83ed Rename UseTy to AccessTy, for consistency with getAccessType, and to 
avoid ambiguity with the word "use" in IVStrideUse.


git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@72012 91177308-0d34-0410-b5e6-96231b3b80d8
 2009-05-18 16:45:28 +00:00
Daniel Dunbar
8c562e2d25 Silence Release-Asserts warnings. 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@72011 91177308-0d34-0410-b5e6-96231b3b80d8
 2009-05-18 16:43:04 +00:00
Dan Gohman
10978bd591 Teach ScalarEvolution to recognize x^-1 in the case where non-demanded 
bits have been stripped out by instcombine.


git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@72010 91177308-0d34-0410-b5e6-96231b3b80d8
 2009-05-18 16:29:04 +00:00
Dan Gohman
0bac95e2e2 Delete a redundant 'else'. 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@72009 91177308-0d34-0410-b5e6-96231b3b80d8
 2009-05-18 16:17:44 +00:00
Dan Gohman
8ea94524ed Fix ScalarEvolution::isLoopGuardedByCond to accept a null Loop*, for 
consistency with other routines that use a null Loop* to mean code
not contained by any loop.


git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@72008 91177308-0d34-0410-b5e6-96231b3b80d8
 2009-05-18 16:03:58 +00:00
Dan Gohman
5183caebc1 Minor code cleanups. Do more of the work before the if statements 
instead of within their controlling expressions.


git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@72007 91177308-0d34-0410-b5e6-96231b3b80d8
 2009-05-18 15:58:39 +00:00
Dan Gohman
f78a978d46 Add assertion checks to the SCEV operator creation methods to catch 
type mismatches.


git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@72006 91177308-0d34-0410-b5e6-96231b3b80d8
 2009-05-18 15:44:58 +00:00
Dan Gohman
859b4824ee Make ScalarEvolution::isLoopGuardedByCond work even when the edge 
entering a loop is a non-split critical edge.


git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@72004 91177308-0d34-0410-b5e6-96231b3b80d8
 2009-05-18 15:36:09 +00:00
Dan Gohman
70a1fe7048 Add an isOne() utility function to ScalarEvolution, similar to isZero() 
and similar to ConstantInt's isOne().


git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@72003 91177308-0d34-0410-b5e6-96231b3b80d8
 2009-05-18 15:22:39 +00:00
Dan Gohman
04623272d2 Add nounwind to a few tests. 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@72002 91177308-0d34-0410-b5e6-96231b3b80d8
 2009-05-18 15:16:49 +00:00
Eli Friedman
96cd7af935 Tweak MemoryBuffer::getSTDIN so that it returns after the first EOF. 
It doesn't matter for piped input, but it's annoying when typing at the 
console.



git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@71998 91177308-0d34-0410-b5e6-96231b3b80d8
 2009-05-18 08:44:04 +00:00
Daniel Dunbar
7ce55362c7 Fix a compile warning. 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@71993 91177308-0d34-0410-b5e6-96231b3b80d8
 2009-05-18 03:44:24 +00:00
Lang Hames
b0e519f2bf Prevented reg0 from being added to MBB live-in set, which was causing issues 
for PostRAScheduler. 


git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@71991 91177308-0d34-0410-b5e6-96231b3b80d8
 2009-05-17 23:50:36 +00:00
Jakob Stoklund Olesen
de67a51b66 Rename MachineVerifier pass to avoid command line collision. 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@71987 91177308-0d34-0410-b5e6-96231b3b80d8
 2009-05-17 19:37:14 +00:00
Duncan Sands
b1014743b9 Check that the gcc front-end is not doing inlining 
when not doing unit-at-a-time.


git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@71986 91177308-0d34-0410-b5e6-96231b3b80d8
 2009-05-17 19:37:02 +00:00
Anton Korobeynikov
e4fdb8b8ff Mark rotl/rotr as expand. This generates pretty ugly code, but this is better than nothing. 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@71976 91177308-0d34-0410-b5e6-96231b3b80d8
 2009-05-17 10:16:28 +00:00
Anton Korobeynikov
aceb620de8 Typo 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@71975 91177308-0d34-0410-b5e6-96231b3b80d8
 2009-05-17 10:15:22 +00:00
Bill Wendling
48839d9973 Formatting. Some updating of data structures. More work needs to be done to update the examples. 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@71974 91177308-0d34-0410-b5e6-96231b3b80d8
 2009-05-17 05:52:39 +00:00
Owen Anderson
6962815683 Significantly improve Atomic.h by pulling in code from libatomic_ops by HP. This is a little outdated, but reasonably complete. 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@71973 91177308-0d34-0410-b5e6-96231b3b80d8
 2009-05-17 04:57:54 +00:00
Owen Anderson
de52f865b6 Remove the volatile marker from the cas_flag typedef, fixing some warnings. 
It's now the client's resposibility to add it in when needed


git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@71959 91177308-0d34-0410-b5e6-96231b3b80d8
 2009-05-16 21:08:25 +00:00