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28554 Commits

Author SHA1 Message Date
Dan Gohman
9004c8afd4 Teach ValueTracking a new way to analyze PHI nodes, and and teach 
Instcombine to be more aggressive about using SimplifyDemandedBits
on shift nodes. This allows a shift to be simplified to zero in the
included test case.


git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@72204 91177308-0d34-0410-b5e6-96231b3b80d8
 2009-05-21 02:28:33 +00:00
Owen Anderson
4a4ea14f7d Add Atomic.cpp to the CMake build system. 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@72202 91177308-0d34-0410-b5e6-96231b3b80d8
 2009-05-21 00:48:56 +00:00
Bill Wendling
df7d5d3170 Temporarily revert r72191. It was causing an assert during llvm-gcc 
bootstrapping.


git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@72200 91177308-0d34-0410-b5e6-96231b3b80d8
 2009-05-21 00:04:55 +00:00
Bill Wendling
39dd696282 Minor code cleanup. No functionality change. 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@72198 91177308-0d34-0410-b5e6-96231b3b80d8
 2009-05-20 23:31:45 +00:00
Bill Wendling
1795616930 Merge 'ConstructFunctionDbgScope' and 'ConstructAbstractDbgScope'. 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@72197 91177308-0d34-0410-b5e6-96231b3b80d8
 2009-05-20 23:28:48 +00:00
Bill Wendling
995f80ad5f Rename 'New*' methods to 'Create*' to be consistent. 'NewString' isn't used. 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@72196 91177308-0d34-0410-b5e6-96231b3b80d8
 2009-05-20 23:24:48 +00:00
Bill Wendling
829e67b5ec Add comment for emit section. 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@72195 91177308-0d34-0410-b5e6-96231b3b80d8
 2009-05-20 23:22:40 +00:00
Bill Wendling
94d04b8f80 Move 'Emit' methods down to their own place. 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@72194 91177308-0d34-0410-b5e6-96231b3b80d8
 2009-05-20 23:21:38 +00:00
Bill Wendling
f0fb987903 Revert r72192. It was causing a build failure. 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@72193 91177308-0d34-0410-b5e6-96231b3b80d8
 2009-05-20 23:19:06 +00:00
Bill Wendling
63ad10c004 Do some mechanical changes. Combine the 'construct abastract dbg thingy' in with 
the 'constract function dbg thingy'. Rename some methods to make them consistent
with the rest of the methods. Move the 'Emit' methods to the end of the file.


git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@72192 91177308-0d34-0410-b5e6-96231b3b80d8
 2009-05-20 23:04:56 +00:00
Argyrios Kyrtzidis
a3437647dc Introduce DebugScope which gets embedded into the machine instructions' DebugLoc. 
DebugScope refers to a debug region, function or block.


git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@72191 91177308-0d34-0410-b5e6-96231b3b80d8
 2009-05-20 22:57:17 +00:00
Owen Anderson
6afe2fa288 Have llvm_start_multithreaded return a bool indicating whether multithreaded 
initialization succeeded or not, rather than just asserting.


git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@72182 91177308-0d34-0410-b5e6-96231b3b80d8
 2009-05-20 21:03:06 +00:00
Owen Anderson
2aa783b2e7 Tabs, be gone! 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@72180 91177308-0d34-0410-b5e6-96231b3b80d8
 2009-05-20 19:06:49 +00:00
Owen Anderson
41583b97ce I just fail today. 
Hopefully this fixes the last build errors on systems with GCC < 4.1.


git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@72179 91177308-0d34-0410-b5e6-96231b3b80d8
 2009-05-20 19:01:50 +00:00
Owen Anderson
d208fd7bdb Copy-and-paste-o. 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@72177 91177308-0d34-0410-b5e6-96231b3b80d8
 2009-05-20 18:47:53 +00:00
Owen Anderson
3c1eaa0dc2 Move atomic operations' definitions out of line. While this seems kind of silly, 
all kinds of problems caused by including windows.h and/or config.h in an LLVM header.


git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@72174 91177308-0d34-0410-b5e6-96231b3b80d8
 2009-05-20 18:26:15 +00:00
Bob Wilson
261f2a2337 Minor formatting fixes. 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@72172 91177308-0d34-0410-b5e6-96231b3b80d8
 2009-05-20 16:30:25 +00:00
Eli Friedman
2ac8b324eb Fix for PR4235: to build a floating-point value from integer parts, 
build an integer and cast that to a float.  This fixes a crash 
caused by trying to split an f32 into two f16's.

This changes the behavior in test/CodeGen/XCore/fneg.ll because that 
testcase now triggers a DAGCombine which converts the fneg into an integer
operation.  If someone is interested, it's probably possible to tweak 
the test to generate an actual fneg.



git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@72162 91177308-0d34-0410-b5e6-96231b3b80d8
 2009-05-20 06:02:09 +00:00
Evan Cheng
d7f666a869 Try again. Allow call to immediate address for ELF or when in static relocation mode. 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@72160 91177308-0d34-0410-b5e6-96231b3b80d8
 2009-05-20 04:53:57 +00:00
Evan Cheng
65cdee3fd4 Cannot use immediate as call absolute target in PIC mode. 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@72154 91177308-0d34-0410-b5e6-96231b3b80d8
 2009-05-20 01:11:00 +00:00
Dan Gohman
a3035a69f9 Teach SCEV::isLoopInvariant and SCEV::hasComputableLoopEvolution 
about the convention from LoopInfo that a null Loop* means the entire
function body.


git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@72152 91177308-0d34-0410-b5e6-96231b3b80d8
 2009-05-20 01:01:24 +00:00
Owen Anderson
b4d97b78df Add llvm_start_multithreaded(), which starts up the LLVM internals in thread-safe mode. Provide double-check locking 
initialization of ManagedStatic's when running in thread-safe mode.


git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@72151 91177308-0d34-0410-b5e6-96231b3b80d8
 2009-05-20 00:39:20 +00:00
Dan Gohman
513fae2db5 Suppress the IV reversal transformation in the case that the RHS 
of the comparison is defined inside the loop. This fixes a
use-before-def problem, because the transformation puts a use
of the RHS outside the loop.


git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@72149 91177308-0d34-0410-b5e6-96231b3b80d8
 2009-05-20 00:34:08 +00:00
Bob Wilson
6aa219a18c Fix pr4227: Handle large immediate values in inline assembly. 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@72138 91177308-0d34-0410-b5e6-96231b3b80d8
 2009-05-19 21:27:57 +00:00
Dan Gohman
c2c4cbf7b3 Remove an irrelevant comment. 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@72132 91177308-0d34-0410-b5e6-96231b3b80d8
 2009-05-19 20:38:47 +00:00
Dan Gohman
cec8f9da54 Add some more comments to the top of this file. 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@72131 91177308-0d34-0410-b5e6-96231b3b80d8
 2009-05-19 20:37:36 +00:00
Dan Gohman
6bfa57b3b3 Trim unneeded #includes. 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@72130 91177308-0d34-0410-b5e6-96231b3b80d8
 2009-05-19 20:35:26 +00:00
Dan Gohman
1959b7562e Make SCEVCallbackVH a private nested class inside ScalarEvolution, as 
it's an implementation detail.


git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@72122 91177308-0d34-0410-b5e6-96231b3b80d8
 2009-05-19 19:22:47 +00:00
Dan Gohman
278b49af8a Create ConstantExpr GEPs the correct way. This fixes 
MultiSource/Benchmarks/Prolangs-C/football and a variety of other
failures.


git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@72120 91177308-0d34-0410-b5e6-96231b3b80d8
 2009-05-19 19:18:01 +00:00
Bob Wilson
86c212e894 Follow up on new support for memory operands in ARM inline assembly. 
This fixes pr4233.


git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@72115 91177308-0d34-0410-b5e6-96231b3b80d8
 2009-05-19 18:33:02 +00:00
Bill Wendling
cd35ed5153 Forward decls. 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@72114 91177308-0d34-0410-b5e6-96231b3b80d8
 2009-05-19 17:52:31 +00:00
Bill Wendling
0bde89e455 Remove 'class' specifier. 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@72113 91177308-0d34-0410-b5e6-96231b3b80d8
 2009-05-19 17:51:26 +00:00
Bill Wendling
7683806ea3 Fix to compile on VS2008. 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@72112 91177308-0d34-0410-b5e6-96231b3b80d8
 2009-05-19 17:50:18 +00:00
Bob Wilson
04746eae49 Fix pr4058 and pr4059. Do not split i64 or double arguments between r3 and 
the stack.  Patch by Sandeep Patel.


git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@72106 91177308-0d34-0410-b5e6-96231b3b80d8
 2009-05-19 10:02:36 +00:00
Bob Wilson
224c244f56 Fix pr4091: Add support for "m" constraint in ARM inline assembly. 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@72105 91177308-0d34-0410-b5e6-96231b3b80d8
 2009-05-19 05:53:42 +00:00
Dan Gohman
dea4085da0 Remove the #ifndef NDEBUG from the FastISel debugging options. This 
fixes dejagnu tests that use these options.


git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@72094 91177308-0d34-0410-b5e6-96231b3b80d8
 2009-05-19 02:19:57 +00:00
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
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
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
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
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
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