Argyrios Kyrtzidis [Mon, 18 May 2009 21:06:40 +0000 (21:06 +0000)]
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
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Bob Wilson [Mon, 18 May 2009 21:02:18 +0000 (21:02 +0000)]
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
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Bob Wilson [Mon, 18 May 2009 20:55:32 +0000 (20:55 +0000)]
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
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Lang Hames [Mon, 18 May 2009 19:03:16 +0000 (19:03 +0000)]
New Spiller interface and trivial implementation.
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@72030
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Dan Gohman [Mon, 18 May 2009 18:55:39 +0000 (18:55 +0000)]
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
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Eric Christopher [Mon, 18 May 2009 18:46:57 +0000 (18:46 +0000)]
Remove getType() overrides for ExtractValueInst and InsertValueInst.
Patch by John McCall.
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@72028
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Bill Wendling [Mon, 18 May 2009 18:21:03 +0000 (18:21 +0000)]
Revert last commit. It was wrong.
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@72026
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Dan Gohman [Mon, 18 May 2009 18:18:57 +0000 (18:18 +0000)]
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
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Bill Wendling [Mon, 18 May 2009 18:17:22 +0000 (18:17 +0000)]
Don't call RegionInlinedFnEnd if our optimization level isn't -O0.
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@72024
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Bill Wendling [Mon, 18 May 2009 18:09:36 +0000 (18:09 +0000)]
Commands beginning with '--' are converted to '-f' by gcc. Blech!
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@72023
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Dale Johannesen [Mon, 18 May 2009 17:44:15 +0000 (17:44 +0000)]
Fill in the missing patterns for ADC and SBB.
Some comment cleanup.
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@72022
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Douglas Gregor [Mon, 18 May 2009 17:21:34 +0000 (17:21 +0000)]
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
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Dan Gohman [Mon, 18 May 2009 16:45:28 +0000 (16:45 +0000)]
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
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Daniel Dunbar [Mon, 18 May 2009 16:43:04 +0000 (16:43 +0000)]
Silence Release-Asserts warnings.
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@72011
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Dan Gohman [Mon, 18 May 2009 16:29:04 +0000 (16:29 +0000)]
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
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Dan Gohman [Mon, 18 May 2009 16:17:44 +0000 (16:17 +0000)]
Delete a redundant 'else'.
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@72009
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Dan Gohman [Mon, 18 May 2009 16:03:58 +0000 (16:03 +0000)]
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
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Dan Gohman [Mon, 18 May 2009 15:58:39 +0000 (15:58 +0000)]
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
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Dan Gohman [Mon, 18 May 2009 15:44:58 +0000 (15:44 +0000)]
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
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Dan Gohman [Mon, 18 May 2009 15:36:09 +0000 (15:36 +0000)]
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
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Dan Gohman [Mon, 18 May 2009 15:22:39 +0000 (15:22 +0000)]
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
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Dan Gohman [Mon, 18 May 2009 15:16:49 +0000 (15:16 +0000)]
Add nounwind to a few tests.
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@72002
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Eli Friedman [Mon, 18 May 2009 08:44:04 +0000 (08:44 +0000)]
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
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Daniel Dunbar [Mon, 18 May 2009 03:44:24 +0000 (03:44 +0000)]
Fix a compile warning.
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@71993
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Lang Hames [Sun, 17 May 2009 23:50:36 +0000 (23:50 +0000)]
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
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Jakob Stoklund Olesen [Sun, 17 May 2009 19:37:14 +0000 (19:37 +0000)]
Rename MachineVerifier pass to avoid command line collision.
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@71987
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Duncan Sands [Sun, 17 May 2009 19:37:02 +0000 (19:37 +0000)]
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
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Anton Korobeynikov [Sun, 17 May 2009 10:16:28 +0000 (10:16 +0000)]
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
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Anton Korobeynikov [Sun, 17 May 2009 10:15:22 +0000 (10:15 +0000)]
Typo
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@71975
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Bill Wendling [Sun, 17 May 2009 05:52:39 +0000 (05:52 +0000)]
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
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Owen Anderson [Sun, 17 May 2009 04:57:54 +0000 (04:57 +0000)]
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
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Owen Anderson [Sat, 16 May 2009 21:08:25 +0000 (21:08 +0000)]
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
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Jakob Stoklund Olesen [Sat, 16 May 2009 07:26:06 +0000 (07:26 +0000)]
Fix a missing def-flag on a Mips epilogue load.
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@71935
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Jakob Stoklund Olesen [Sat, 16 May 2009 07:25:44 +0000 (07:25 +0000)]
Remember to set def-flag on register loaded from stack slot in CellSPU.
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@71934
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Jakob Stoklund Olesen [Sat, 16 May 2009 07:25:20 +0000 (07:25 +0000)]
Verify that explicit definitions in the TargetInstrDesc are matched by
explicit register define operands.
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@71933
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Jakob Stoklund Olesen [Sat, 16 May 2009 07:24:54 +0000 (07:24 +0000)]
Allow redefinition of reserved registers.
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@71932
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Owen Anderson [Sat, 16 May 2009 07:20:52 +0000 (07:20 +0000)]
Back out the thread-safe ManagedStatic for now. Too many people have too many problems with it for the moment.
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@71931
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Duncan Sands [Sat, 16 May 2009 04:14:29 +0000 (04:14 +0000)]
Put back a bit of expensive checking logic that
was overenthusiastically deleted in r70234.
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@71926
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Duncan Sands [Sat, 16 May 2009 04:00:00 +0000 (04:00 +0000)]
Make sure the CXXFLAGS setting is picked up by
the common Makefile. Not sure why this suddenly
started causing problems.
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@71925
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Duncan Sands [Sat, 16 May 2009 03:28:54 +0000 (03:28 +0000)]
Pacify gcc-4.3, which suggests explicit braces here
to avoid an ambiguous else.
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@71924
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Jakob Stoklund Olesen [Sat, 16 May 2009 00:34:42 +0000 (00:34 +0000)]
Help DejaGnu avoid pipe-jam by producing less output from certain test cases.
When a test fails with more than a pipeful of output on stdout AND stderr, one
of the DejaGnu programs blocks. The problem can be avoided by redirecting
stdout to a file.
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@71919
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Jakob Stoklund Olesen [Sat, 16 May 2009 00:33:53 +0000 (00:33 +0000)]
Pass to verify generated machine code.
The following is checked:
* Operand counts: All explicit operands must be present.
* Register classes: All physical and virtual register operands must be
compatible with the register class required by the instruction descriptor.
* Register live intervals: Registers must be defined only once, and must be
defined before use.
The machine code verifier is enabled with the command-line option
'-verify-machineinstrs', or by defining the environment variable
LLVM_VERIFY_MACHINEINSTRS to the name of a file that will receive all the
verifier errors.
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@71918
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Jay Foad [Fri, 15 May 2009 18:13:31 +0000 (18:13 +0000)]
Work around the fact that GNU libstdc++'s debug mode uses RTTI.
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@71871
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Anton Korobeynikov [Fri, 15 May 2009 11:04:52 +0000 (11:04 +0000)]
Unbreak mingw build
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@71856
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Owen Anderson [Fri, 15 May 2009 10:40:23 +0000 (10:40 +0000)]
Improve compatibility with older versions of Windows.
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@71855
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Bill Wendling [Fri, 15 May 2009 09:23:25 +0000 (09:23 +0000)]
Split out the DwarfDebug module from the DwarfWriter module.
Again, no intendtional functionality change.
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@71854
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Owen Anderson [Fri, 15 May 2009 08:22:07 +0000 (08:22 +0000)]
Factor out some common code, fix more typoes, and add a memory fence that might be needed.
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@71853
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Owen Anderson [Fri, 15 May 2009 08:07:23 +0000 (08:07 +0000)]
Fix an unfortunate typo.
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@71852
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Bill Wendling [Fri, 15 May 2009 06:55:26 +0000 (06:55 +0000)]
Mark class as hidden.
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@71850
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Owen Anderson [Fri, 15 May 2009 06:49:31 +0000 (06:49 +0000)]
(Hopefully) unbreak Apple-style builds.
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@71849
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Evan Cheng [Fri, 15 May 2009 06:48:19 +0000 (06:48 +0000)]
Fix PR4210. Rewritter should track and update kills of sub-registers as well.
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@71848
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Owen Anderson [Fri, 15 May 2009 05:13:57 +0000 (05:13 +0000)]
Don't #include OSAtomic.h unless we really need it.
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@71837
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Nick Lewycky [Fri, 15 May 2009 03:07:14 +0000 (03:07 +0000)]
Fix warning.
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@71834
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Nick Lewycky [Fri, 15 May 2009 03:03:14 +0000 (03:03 +0000)]
Add extra parenthesis around || statements to pacify compiler.
Also fix up some 80col violations while I'm there.
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@71833
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Bill Wendling [Fri, 15 May 2009 01:18:50 +0000 (01:18 +0000)]
Move c'tor/d'tor to top of file.
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@71828
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Bill Wendling [Fri, 15 May 2009 01:12:28 +0000 (01:12 +0000)]
Split out the DwarfException class into its own file. No functionality change,
though the classes have been marked with "VISIBILITY_HIDDEN".
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@71827
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Bill Wendling [Fri, 15 May 2009 00:11:17 +0000 (00:11 +0000)]
Split out the Dwarf writer stuff into separate files. This is a much more
logical/sane approach to organizing all of the stuff that goes into writing out
DWARF information. Honestly? even this is too complex for what it's supposed to
be doing.
Trivia: It *looks* like there would be functionality changes, however there aren't!
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@71821
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Owen Anderson [Fri, 15 May 2009 00:01:40 +0000 (00:01 +0000)]
Now with working on Leopard!
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@71819
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David Greene [Thu, 14 May 2009 23:26:46 +0000 (23:26 +0000)]
Implement !if, analogous to $(if) in GNU make.
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@71815
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Mike Stump [Thu, 14 May 2009 23:23:37 +0000 (23:23 +0000)]
Reflow to fit 80-col.
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@71813
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Mike Stump [Thu, 14 May 2009 23:22:47 +0000 (23:22 +0000)]
Reflow to fit 80-col.
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@71812
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David Greene [Thu, 14 May 2009 23:21:40 +0000 (23:21 +0000)]
Fix tests to not upset DejaGNU.
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@71811
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David Greene [Thu, 14 May 2009 22:38:31 +0000 (22:38 +0000)]
Graduate LLVM to the big leagues by embedding a LISP processor into TableGen.
Ok, not really, but do support some common LISP functions:
* car
* cdr
* null
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@71805
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David Greene [Thu, 14 May 2009 22:23:47 +0000 (22:23 +0000)]
Implement a !foreach operator analogous to GNU make's $(foreach).
Use it on dags and lists like this:
class decls {
string name;
}
def Decls : decls;
class B<list<string> names> : A<!foreach(Decls.name, names, !strconcat(Decls.name, ", Sr."))>;
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@71803
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David Greene [Thu, 14 May 2009 21:54:42 +0000 (21:54 +0000)]
Implement a !subst operation simmilar to $(subst) in GNU make to do
def/var/string substitution on generic pattern templates. For example:
def Type;
def v4f32 : Type;
def TYPE : Type;
class GenType<Type t> {
let type = !(subst TYPE, v4f32, t);
}
def TheType : GenType<TYPE>;
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@71801
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Owen Anderson [Thu, 14 May 2009 21:33:57 +0000 (21:33 +0000)]
Dropped this #include by accident.
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@71798
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Owen Anderson [Thu, 14 May 2009 21:26:50 +0000 (21:26 +0000)]
Make ManagedStatic threadsafe by using atomic operations.
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@71796
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Owen Anderson [Thu, 14 May 2009 21:24:15 +0000 (21:24 +0000)]
Add CompareAndSwap.
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@71795
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David Greene [Thu, 14 May 2009 21:22:49 +0000 (21:22 +0000)]
Implement !cast.
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@71794
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David Greene [Thu, 14 May 2009 20:54:48 +0000 (20:54 +0000)]
Operation Enhancements
Create an OpInit class to serve as a base for all operation Inits.
Move parsing of operation constructs to separate functions and reference
from multiple places.
Add some commented out new operations. Coming soon.
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@71789
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David Greene [Thu, 14 May 2009 20:38:52 +0000 (20:38 +0000)]
Fix PR4207.
If we're resolving a list element access and we're given a VarInit,
return a new VarListElementInit referencing the VarInit.
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@71787
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Owen Anderson [Thu, 14 May 2009 19:17:24 +0000 (19:17 +0000)]
Down with static variables!
Part one of many.
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@71785
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Mike Stump [Thu, 14 May 2009 18:45:49 +0000 (18:45 +0000)]
Tag blocks with DW_AT_APPLE_block.
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@71784
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Dale Johannesen [Thu, 14 May 2009 18:41:18 +0000 (18:41 +0000)]
Reuse existing getUnderlyingObject instead of
adding another copy.
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@71783
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Bill Wendling [Thu, 14 May 2009 18:26:15 +0000 (18:26 +0000)]
Non-functionality changes:
- Reformatting.
- Use while() instead of do-while().
- Move simple constructors into .h file.
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@71782
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Bill Wendling [Thu, 14 May 2009 18:16:46 +0000 (18:16 +0000)]
Clean up this file fixing 80-column violations, bad formatting, etc. No functionality change.
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@71781
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Bob Wilson [Thu, 14 May 2009 18:08:41 +0000 (18:08 +0000)]
Revert r71744. I must not have understood this correctly, because the
assertion is failing for some tests.
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@71779
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Dale Johannesen [Thu, 14 May 2009 16:47:34 +0000 (16:47 +0000)]
Use abs64 in one more place.
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@71775
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Jim Grosbach [Thu, 14 May 2009 15:44:15 +0000 (15:44 +0000)]
clean up line-wrapping
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@71771
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Owen Anderson [Thu, 14 May 2009 05:54:36 +0000 (05:54 +0000)]
Add an Atomic.h to the System library, for providing a platform independent API
to low-level sync operations.
The only one present at the moment is MemoryFence(), and only for the platforms
for which I could easily discern the proper way to do it. If your favorite platform
isn't represented, patches are welcome!
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@71770
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Lang Hames [Thu, 14 May 2009 04:26:30 +0000 (04:26 +0000)]
Fix for PR4124. Make TwoAddressFormPass::FindLastUseInMBB return the real last use.
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@71769
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Jim Grosbach [Thu, 14 May 2009 00:46:35 +0000 (00:46 +0000)]
Update the names of the exception handling sjlj instrinsics to
llvm.eh.sjlj.* for better clarity as to their purpose and scope. Add
a description of llvm.eh.sjlj.setjmp to ExceptionHandling.html.
(llvm.eh.sjlj.longjmp documentation coming when that implementation is
added).
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@71758
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Dan Gohman [Thu, 14 May 2009 00:30:16 +0000 (00:30 +0000)]
Add an assert to turn a segfault on an unsupported inline
asm construct into an assertion failure.
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@71757
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Mike Stump [Thu, 14 May 2009 00:03:51 +0000 (00:03 +0000)]
Add dumping support for DW_AT_APPLE_isa and DW_AT_APPLE_block.
Radar
6867696
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@71750
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Bill Wendling [Wed, 13 May 2009 23:55:49 +0000 (23:55 +0000)]
There's yet more ugliness (surprise!) in DebugInfo. This needs major reworking.
Basically, there was a situation where it was getting an empty vector and doing
a .back() on that. Which isn't cool.
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@71746
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Bob Wilson [Wed, 13 May 2009 23:54:13 +0000 (23:54 +0000)]
The IfConverter::MergeBlocks method appears to be used only to merge a basic
block with its unique predecessor. Change the code to assert if that is not
the case, instead of trying to handle situations where the block has
multiple predecessors.
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@71744
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Jim Grosbach [Wed, 13 May 2009 23:50:53 +0000 (23:50 +0000)]
Removing the HasBuiltinSetjmp flag and associated bits. Flagging the presence
of exception handling builtin sjlj targets in functions turns out not to
be necessary. Marking the intrinsic implementation in the .td file as
defining all registers is sufficient to get the context saved properly by
the containing function.
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@71743
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Bob Wilson [Wed, 13 May 2009 23:48:58 +0000 (23:48 +0000)]
Revert a portion of Dan's change r71018 that I'm convinced is wrong.
Dan was trying to catch the case where a basic block ends with a conditional
branch to the fall-through block. In this case, all the instructions have
been moved out of FromBBI, leaving it empty. It cannot end with a
conditional branch. As the existing comment indicates, it will always fall
through to the next block. If the block already had the next block (NBB)
listed as a successor, the preceding loop has a check for that and does not
remove it. Thus, we need to check and add the successor only when it is
not already listed.
With Dan's change, the empty block often ends up with the fall-through
successor listed twice. This exposed the problem in pr4195, where
CodePlacementOpt did not handle the same predecessor listed more than once.
It is also at least partially responsible for pr4202 and probably a similar
issue with Thumb branches being out of range.
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@71742
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Bob Wilson [Wed, 13 May 2009 23:35:38 +0000 (23:35 +0000)]
Merge adjacent conditional.
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@71741
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Bob Wilson [Wed, 13 May 2009 23:31:30 +0000 (23:31 +0000)]
Remove an unused variable.
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@71740
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Bob Wilson [Wed, 13 May 2009 23:25:24 +0000 (23:25 +0000)]
Fix some typos and spelling and grammar, mostly in comments, but also one
field name. No functional changes.
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@71739
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Mike Stump [Wed, 13 May 2009 23:23:20 +0000 (23:23 +0000)]
Fix whitespacing (space after switch).
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@71738
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Jim Grosbach [Wed, 13 May 2009 22:32:43 +0000 (22:32 +0000)]
Spelling correction s/builting/builtin/ and remove trailing whitespace in a few places
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@71735
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Dan Gohman [Wed, 13 May 2009 22:29:12 +0000 (22:29 +0000)]
Add nounwind to this test.
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@71734
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Bill Wendling [Wed, 13 May 2009 21:51:26 +0000 (21:51 +0000)]
Remove too large testcase.
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@71730
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Evan Cheng [Wed, 13 May 2009 21:42:09 +0000 (21:42 +0000)]
Run code placement optimization for targets that want it (arm and x86 for now).
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@71726
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Evan Cheng [Wed, 13 May 2009 21:39:20 +0000 (21:39 +0000)]
Indentation.
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@71724
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Bill Wendling [Wed, 13 May 2009 21:33:08 +0000 (21:33 +0000)]
Change MachineInstrBuilder::addReg() to take a flag instead of a list of
booleans. This gives a better indication of what the "addReg()" is
doing. Remembering what all of those booleans mean isn't easy, especially if you
aren't spending all of your time in that code.
I took Jakob's suggestion and made it illegal to pass in "true" for the
flag. This should hopefully prevent any unintended misuse of this (by reverting
to the old way of using addReg()).
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@71722
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Dale Johannesen [Wed, 13 May 2009 20:55:30 +0000 (20:55 +0000)]
Handle some additonal cases of external weak globals.
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@71717
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Bill Wendling [Wed, 13 May 2009 20:33:33 +0000 (20:33 +0000)]
Move the bookkeeping of the debug scopes back to the place where it
belonged. The variable declaration stuff wasn't happy with it where it
was. Sorry that the testcase is so big. Bugpoint wasn't able to reduce it
successfully.
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@71714
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