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Author SHA1 Message Date
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
c7d167d62f Fix test on non-darwin hosts. 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@72161 91177308-0d34-0410-b5e6-96231b3b80d8
 2009-05-20 05:45:36 +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
Owen Anderson
81e4e9f7cb We need to include config.h here so that the #defines are set properly. 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@72148 91177308-0d34-0410-b5e6-96231b3b80d8
 2009-05-20 00:31:29 +00:00
Owen Anderson
197ca8e939 Forgot this file in my last commit. 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@72141 91177308-0d34-0410-b5e6-96231b3b80d8
 2009-05-19 22:25:55 +00:00
Owen Anderson
a86037084d Split the ENABLE_THREADS #define in two. Now ENABLE_THREADS indicates the ability to run multiple threads at once in the JIT, and requires only 
mutex support.  LLVM_MULTITHREADED indicates (or will indicate) the ability to run LLVM itself across multiple threads, and requires atomics support.


git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@72140 91177308-0d34-0410-b5e6-96231b3b80d8
 2009-05-19 22:18:56 +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
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