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Anton Korobeynikov [Thu, 18 Jun 2009 08:30:57 +0000 (08:30 +0000)]
Forgot to commit this hunk
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@73693
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Anton Korobeynikov [Thu, 18 Jun 2009 08:13:56 +0000 (08:13 +0000)]
Propagate calling conv for invokes too
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@73692
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Chris Lattner [Thu, 18 Jun 2009 04:56:53 +0000 (04:56 +0000)]
Don't use int8_t, that requires DataTypes.h
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@73682
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Owen Anderson [Thu, 18 Jun 2009 04:44:46 +0000 (04:44 +0000)]
Fix build when disable thread support.
Patch by Howard Su.
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@73680
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Zhongxing Xu [Thu, 18 Jun 2009 04:11:43 +0000 (04:11 +0000)]
include header for uint8_t.
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@73675
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Nick Lewycky [Thu, 18 Jun 2009 03:01:42 +0000 (03:01 +0000)]
Add braces to clarify if/else structure and remove warning.
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@73673
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Evan Cheng [Thu, 18 Jun 2009 02:04:01 +0000 (02:04 +0000)]
- Update register allocation hint after coalescing. This is done by the target since the hint is target dependent. This is important for ARM register pair hints.
- Register allocator should resolve the second part of the hint (register number) before passing it to the target since it knows virtual register to physical register mapping.
- More fixes to get ARM load / store double word working.
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@73671
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Dale Johannesen [Thu, 18 Jun 2009 01:07:23 +0000 (01:07 +0000)]
It looks like nobody is working on PR 4158, so I'm
adding a check to catch this case at compile time
instead of quietly generating incorrect code.
That will at least let us identify CBE failures
that are not due to this problem.
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@73668
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Dan Gohman [Thu, 18 Jun 2009 00:37:45 +0000 (00:37 +0000)]
Fix trailing whitespace from ScalarEvolution::print.
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@73666
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Bob Wilson [Thu, 18 Jun 2009 00:36:17 +0000 (00:36 +0000)]
ARM unified syntax is not specific to ELF; use it for Darwin, too.
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@73665
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Dan Gohman [Thu, 18 Jun 2009 00:00:20 +0000 (00:00 +0000)]
Teach ScalarEvolution how to recognize another xor(and(x, C), C) case.
If C is a single bit and the and gets analyzed as a truncate and
zero-extend, the xor can be represnted as an add.
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@73664
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Dan Gohman [Wed, 17 Jun 2009 23:54:37 +0000 (23:54 +0000)]
Delete unnecessary braces.
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@73663
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Owen Anderson [Wed, 17 Jun 2009 23:49:06 +0000 (23:49 +0000)]
Reapply r73647 in a non-broken form.
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@73662
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Anton Korobeynikov [Wed, 17 Jun 2009 23:43:36 +0000 (23:43 +0000)]
Fix asm string from MOVi16
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@73661
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Anton Korobeynikov [Wed, 17 Jun 2009 23:43:18 +0000 (23:43 +0000)]
Thumb2 instructions are enabled only in unified assembler mode.
Emit switch directive for it. I have no idea whether this is
requirement for Darwin or not.
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@73660
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Dan Gohman [Wed, 17 Jun 2009 23:17:05 +0000 (23:17 +0000)]
Instcombine zext(trunc(x) & mask) to x&mask, even if the trunc has
multiple users.
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@73656
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Owen Anderson [Wed, 17 Jun 2009 22:53:57 +0000 (22:53 +0000)]
Use double-checked locking for this lazy initialization.
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@73653
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Owen Anderson [Wed, 17 Jun 2009 22:23:31 +0000 (22:23 +0000)]
Protect the GC table in Function.cpp
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@73647
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Anton Korobeynikov [Wed, 17 Jun 2009 22:20:46 +0000 (22:20 +0000)]
Honour calling convention and attributes of Callee by default.
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@73646
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Owen Anderson [Wed, 17 Jun 2009 22:01:09 +0000 (22:01 +0000)]
Use atomic increment here.
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@73643
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Owen Anderson [Wed, 17 Jun 2009 21:56:05 +0000 (21:56 +0000)]
Thread-safe (and ManagedStatic-ized) LeakDetector!
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@73642
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Owen Anderson [Wed, 17 Jun 2009 21:28:54 +0000 (21:28 +0000)]
Guard mutation of the timing info global.
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@73639
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Owen Anderson [Wed, 17 Jun 2009 21:16:20 +0000 (21:16 +0000)]
We need to use double-checked locking for lazy initialization in this case when running multithreaded.
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@73636
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Stefanus Du Toit [Wed, 17 Jun 2009 21:12:26 +0000 (21:12 +0000)]
Fix link to BasicBlock doxygen documentation in Programmer's Manual
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@73635
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Lang Hames [Wed, 17 Jun 2009 21:01:20 +0000 (21:01 +0000)]
VNInfo cleanup.
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@73634
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Dan Gohman [Wed, 17 Jun 2009 20:56:26 +0000 (20:56 +0000)]
Add -disable-output to a bunch of tests that don't care about the output.
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@73633
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Dale Johannesen [Wed, 17 Jun 2009 20:48:23 +0000 (20:48 +0000)]
This fixes a bug introduced in 72661, which can
move loads back past a check that the load address
is valid, see new testcase. The test that went
in with 72661 has exactly this case, except that
the conditional it's moving past is checking
something else; I've settled for changing that
test to reference a global, not a pointer. It
may be possible to scan all the tests you pass and
make sure none of them are checking any component
of the address, but it's not trivial and I'm not
trying to do that here.
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@73632
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Owen Anderson [Wed, 17 Jun 2009 20:43:39 +0000 (20:43 +0000)]
Factor out some common code.
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@73631
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Owen Anderson [Wed, 17 Jun 2009 20:34:43 +0000 (20:34 +0000)]
Add an RAII ScopedWriter, which allows one to acquire a writer lock for the duration of a scope. Simplify a lot of uses of
writer locks in Constants.cpp by using it.
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@73630
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Owen Anderson [Wed, 17 Jun 2009 20:10:08 +0000 (20:10 +0000)]
Simplify the locking on the Constants tables, and make it more efficient, by pushing it into the ValueMap from the callers.
Document those ValueMap functions that are _not_ locked, so that callers are aware that they need to do the locking themselves.
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@73628
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Torok Edwin [Wed, 17 Jun 2009 18:48:18 +0000 (18:48 +0000)]
Add debug message about non-local loads being clobbered.
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@73625
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Owen Anderson [Wed, 17 Jun 2009 18:40:29 +0000 (18:40 +0000)]
Type safety for Constants.cpp! Some of this is temporary, as I'm planning to push some of the R/W locking into FoldingSet.
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@73624
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Anton Korobeynikov [Wed, 17 Jun 2009 18:13:58 +0000 (18:13 +0000)]
Initial support for some Thumb2 instructions.
Patch by Viktor Kutuzov and Anton Korzh from Access Softek, Inc.
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@73622
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Dan Gohman [Wed, 17 Jun 2009 17:51:33 +0000 (17:51 +0000)]
Update comments to use doxygen syntax.
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@73621
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Owen Anderson [Wed, 17 Jun 2009 17:36:57 +0000 (17:36 +0000)]
Protect the ValueHandle table.
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@73620
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Owen Anderson [Wed, 17 Jun 2009 17:13:54 +0000 (17:13 +0000)]
We need to guard reads of the AbstractTypeUsers list, as well as writes to it. While it would be nice to use a R/W lock here,
we can't, because it HAS to be recursive.
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@73617
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Douglas Gregor [Wed, 17 Jun 2009 17:01:56 +0000 (17:01 +0000)]
Define LLVM_NATIVE_ARCH in CMake, so that lli can actually JIT
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@73616
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Douglas Gregor [Wed, 17 Jun 2009 17:01:30 +0000 (17:01 +0000)]
Add RWMutex.cpp to the CMake makefiles
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@73615
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Owen Anderson [Wed, 17 Jun 2009 16:56:27 +0000 (16:56 +0000)]
Type safety for TypeSymbolTable!
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@73614
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Chris Lattner [Wed, 17 Jun 2009 16:48:44 +0000 (16:48 +0000)]
make sure that JIT examples link in their appropriate target.
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@73613
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Chris Lattner [Wed, 17 Jun 2009 16:45:02 +0000 (16:45 +0000)]
remove two headers subsumed by TargetSelect.h
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@73612
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Chris Lattner [Wed, 17 Jun 2009 16:42:19 +0000 (16:42 +0000)]
switch to using llvm/Target/TargetSelect.h
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@73611
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Chris Lattner [Wed, 17 Jun 2009 16:42:01 +0000 (16:42 +0000)]
Add a utility header that makes it easy to link in the right set
of targets for various purposes.
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@73610
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Owen Anderson [Wed, 17 Jun 2009 09:10:42 +0000 (09:10 +0000)]
Improve the Win32 reader-writer lock implementation by making it just a normal
lock. This is obviously bad, but at least it's threadsafe! If you know how
to improve this in a pre-Vista friendly well, patches welcome!
Patch by Max Burke.
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@73607
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Nick Lewycky [Wed, 17 Jun 2009 06:52:10 +0000 (06:52 +0000)]
Fix libLTO by #include'ing the initializers for all targets and all asm
printers.
While I'm here, alphabetize.
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@73606
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Sanjiv Gupta [Wed, 17 Jun 2009 06:47:15 +0000 (06:47 +0000)]
>> What if my global variable was into a different address space than stack?
>>
>
> It doesn't matter in terms of semantics: because AnalyzeGlobal
> returned false, we're guaranteed the address of the global is never
> taken. I wouldn't be surprised if we end up generating invalid IR in
> some cases, though, because of the semantics of replaceAllUsesWith.
> Do you have a testcase that breaks?
>
>
The problem is replaceAllUsesWith asserts for type mismatch here. Try attached .bc with llvm-ld.
assert(New->getType() == getType() &&
"replaceAllUses of value with new value of different type!");
Since stack is always on address space zero, I don't think that type of GV in a different address space is ever going to match.
The other way is to allow replaceAllUsesWith to ignore address spaces while comparing types. (do we have a way to do that ?).
But then such an optimization may fail the entire idea of user wanting to place a variable into different memory space. The original idea of user might be to save on the stack space (data memory) and hence he asked the variable to be placed into different memory space (program memory). So the best bet here is to deny this optimization by checking
GV->getType()->getAddressSpace() == 0.
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@73605
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Chris Lattner [Wed, 17 Jun 2009 06:31:02 +0000 (06:31 +0000)]
make CreateFMul forward to CreateFMul, not CreateMul.
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@73603
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Nick Lewycky [Wed, 17 Jun 2009 04:23:52 +0000 (04:23 +0000)]
Fix grammaro, and bad indentation.
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@73602
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Mikhail Glushenkov [Wed, 17 Jun 2009 03:10:10 +0000 (03:10 +0000)]
Fix comment.
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@73601
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Mikhail Glushenkov [Wed, 17 Jun 2009 03:09:39 +0000 (03:09 +0000)]
Formatting fix.
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@73600
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Eli Friedman [Wed, 17 Jun 2009 03:05:00 +0000 (03:05 +0000)]
Correct an accidental duplication of the test (patch doesn't handle
creating new files very well).
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@73599
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Eli Friedman [Wed, 17 Jun 2009 02:57:36 +0000 (02:57 +0000)]
PR3439: Correct a silly mistake in the SimplifyDemandedUseBits code for
SRem.
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@73598
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Mikhail Glushenkov [Wed, 17 Jun 2009 02:56:48 +0000 (02:56 +0000)]
Regenerate.
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@73597
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Mikhail Glushenkov [Wed, 17 Jun 2009 02:56:08 +0000 (02:56 +0000)]
Another small documentation update.
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@73596
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Chris Lattner [Wed, 17 Jun 2009 02:15:40 +0000 (02:15 +0000)]
Use Doug's new LLVM_NATIVE_ARCH macro in config.h to link in the native
target so that the JIT works in LLI, not just the interpreter.
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@73595
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Dan Gohman [Wed, 17 Jun 2009 01:22:39 +0000 (01:22 +0000)]
Fix ScalarEvolution's Xor handling to not assume that an And
that gets recognized with a SCEVZeroExtendExpr must be an And
with a low-bits mask. With r73540, this is no longer the case.
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@73594
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Devang Patel [Wed, 17 Jun 2009 00:48:26 +0000 (00:48 +0000)]
Do not use first actual instruction's location for prologue. The debug wants to skip prologue while setting a breakpoint for the function.
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@73592
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Douglas Gregor [Wed, 17 Jun 2009 00:43:20 +0000 (00:43 +0000)]
Update auto-generated configuration files
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@73591
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Douglas Gregor [Wed, 17 Jun 2009 00:42:33 +0000 (00:42 +0000)]
Define LLVM_NATIVE_ARCH in llvm/Config/config.h to be the LLVM back end that corresponds to the native executable, but only when that LLVM back end is being built
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@73590
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Owen Anderson [Wed, 17 Jun 2009 00:28:49 +0000 (00:28 +0000)]
Use atomic increment/decrement for reference counting of Type's.
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@73588
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Owen Anderson [Wed, 17 Jun 2009 00:13:00 +0000 (00:13 +0000)]
Add an atomic increment and decrement implementation, which will be used for
thread-safe reference counting.
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@73587
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Owen Anderson [Wed, 17 Jun 2009 00:12:30 +0000 (00:12 +0000)]
Add locking around the accessors for AbstractTypeUsers.
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@73586
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Chris Lattner [Tue, 16 Jun 2009 23:00:42 +0000 (23:00 +0000)]
Remove support for building LLVM libraries into "relinked"
object files. Now we always build LLVM libraries into archives (.a files).
This makes the 'make' build work more like the cmake build, among other
things. Doing this exposed some latent circular library dependencies, so
I think that llvm-config wasn't quite right for .o files anyway.
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@73579
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Owen Anderson [Tue, 16 Jun 2009 22:56:04 +0000 (22:56 +0000)]
Forgot this file in my last commit.
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@73578
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Owen Anderson [Tue, 16 Jun 2009 22:51:18 +0000 (22:51 +0000)]
Use a reader-writer lock to guard large portions of the Type infrastructure, including abstract type refinement.
There's still some more work to be done here, such as guarding removeAbstractTypeUser() and the printers.
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@73575
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Chris Lattner [Tue, 16 Jun 2009 22:38:04 +0000 (22:38 +0000)]
fix a circular dependency between the mips code generator
and its asmprinter.
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@73573
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Chris Lattner [Tue, 16 Jun 2009 22:26:13 +0000 (22:26 +0000)]
Fix the EE bindings to use the proper EE interfaces for creating a JIT.
Calling into createJIT directly creates a circular dependency between libjit and lib ee.
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@73567
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Douglas Gregor [Tue, 16 Jun 2009 22:25:45 +0000 (22:25 +0000)]
CMake: Only include LLVM example executables in the build if requested by the user
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@73566
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Dale Johannesen [Tue, 16 Jun 2009 22:18:33 +0000 (22:18 +0000)]
Test for llvm-gcc patch 73564.
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@73565
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Owen Anderson [Tue, 16 Jun 2009 20:57:51 +0000 (20:57 +0000)]
Accidentally broke this file.
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@73552
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Owen Anderson [Tue, 16 Jun 2009 20:53:09 +0000 (20:53 +0000)]
Add newline at end of file.
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@73551
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Owen Anderson [Tue, 16 Jun 2009 20:49:20 +0000 (20:49 +0000)]
Remove the Win32 implementation, since it doesn't compile pre-Vista.
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@73550
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Owen Anderson [Tue, 16 Jun 2009 20:26:04 +0000 (20:26 +0000)]
Fix #include guards.
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@73548
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Anton Korobeynikov [Tue, 16 Jun 2009 20:25:25 +0000 (20:25 +0000)]
Make the test target-neutral
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@73547
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Owen Anderson [Tue, 16 Jun 2009 20:23:05 +0000 (20:23 +0000)]
Fix/cleanup trailing newlines.
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@73546
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Owen Anderson [Tue, 16 Jun 2009 20:19:28 +0000 (20:19 +0000)]
Add a portable wrapper for reader-writer locks.
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@73545
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Douglas Gregor [Tue, 16 Jun 2009 20:12:29 +0000 (20:12 +0000)]
Introduce new headers whose inclusion forces linking and
initialization of all targets (InitializeAllTargets.h) or assembler
printers (InitializeAllAsmPrinters.h). This is a step toward the
elimination of relinked object files, so that we can build normal
archives.
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@73543
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Dan Gohman [Tue, 16 Jun 2009 19:55:29 +0000 (19:55 +0000)]
Generalize a few more instcombines to be vector/scalar-independent.
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@73541
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Dan Gohman [Tue, 16 Jun 2009 19:52:01 +0000 (19:52 +0000)]
Instcombine's ShrinkDemandedConstant may strip bits out of constants,
obscuring what would otherwise be a low-bits mask. Use ComputeMaskedBits
to compute what ShrinkDemandedConstant knew about to reconstruct a
low-bits mask value.
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@73540
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Evan Cheng [Tue, 16 Jun 2009 19:44:27 +0000 (19:44 +0000)]
CALL64pcrel32 immediate field is 32-bit. Patch by Abhinav Duggal.
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@73536
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Anton Korobeynikov [Tue, 16 Jun 2009 18:50:49 +0000 (18:50 +0000)]
Address review comments: add 3 ARM calling conventions.
Dispatch C calling conv. to one of these conventions based on
target triple and subtarget features.
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@73530
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Anton Korobeynikov [Tue, 16 Jun 2009 18:49:08 +0000 (18:49 +0000)]
GNU as refuses to assemble "pop {}" instruction. Do not emit such
(this is the case when we have thumb vararg function with single
callee-saved register, which is handled separately).
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@73529
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Owen Anderson [Tue, 16 Jun 2009 18:20:20 +0000 (18:20 +0000)]
Add a configure check for pthread_rwlock_init.
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@73523
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Owen Anderson [Tue, 16 Jun 2009 18:04:19 +0000 (18:04 +0000)]
Update the threading section to reflect current plans/implementation.
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@73521
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Douglas Gregor [Tue, 16 Jun 2009 17:45:38 +0000 (17:45 +0000)]
Add Threading.cpp to the CMake project files
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@73516
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Owen Anderson [Tue, 16 Jun 2009 17:40:28 +0000 (17:40 +0000)]
Fix validation errors.
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@73515
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Owen Anderson [Tue, 16 Jun 2009 17:33:51 +0000 (17:33 +0000)]
Split the thread-related APIs out into their own file, and add a few more
calls for convenience.
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@73512
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Chris Lattner [Tue, 16 Jun 2009 17:23:25 +0000 (17:23 +0000)]
Testcase for r73506
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@73508
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Chris Lattner [Tue, 16 Jun 2009 17:23:12 +0000 (17:23 +0000)]
Generalize instcombine's isSafeToLoadUnconditionally() function
to ignore readonly calls, and factor it out of instcombine so
that it can be used by other passes. Patch by Frits van Bommel!
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@73506
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Sanjiv Gupta [Tue, 16 Jun 2009 16:17:35 +0000 (16:17 +0000)]
Added missing libcalls for floating point to int conversions.
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@73491
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Eli Friedman [Tue, 16 Jun 2009 10:24:13 +0000 (10:24 +0000)]
Remove the "llvm.umul.with.overflow is broken" warning; it should be
essentially working now, at least for common cases, and it shouldn't
silently generate bad code.
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@73484
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Sanjiv Gupta [Tue, 16 Jun 2009 10:22:58 +0000 (10:22 +0000)]
Fixed names of libcalls checked in r73480.
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@73483
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Sanjiv Gupta [Tue, 16 Jun 2009 09:45:18 +0000 (09:45 +0000)]
Code Restructuring. No functionality change.
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@73481
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Sanjiv Gupta [Tue, 16 Jun 2009 09:03:58 +0000 (09:03 +0000)]
Added required libcalls for PIC16 (mostly floating points to integer casting operations).
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@73480
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Evan Cheng [Tue, 16 Jun 2009 07:15:05 +0000 (07:15 +0000)]
Rename RemoveCopiesFromValNo to TurnCopiesFromValNoToImpDefs.
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@73479
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Evan Cheng [Tue, 16 Jun 2009 07:12:58 +0000 (07:12 +0000)]
If a val# is defined by an implicit_def and it is being removed, all of the copies off the val# were removed. This causes problem later since the scavenger will see uses of registers without defs. The proper solution is to change the copies into implicit_def's instead.
TurnCopyIntoImpDef turns a copy into implicit_def and remove the val# defined by it. This causes an scavenger assertion later if the def reaches other blocks. Disable the transformation if the value live interval extends beyond its def block.
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@73478
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Eli Friedman [Tue, 16 Jun 2009 06:58:29 +0000 (06:58 +0000)]
Add some generic expansion logic for SMULO and UMULO. Fixes UMULO
support for x86, and UMULO/SMULO for many architectures, including PPC
(PR4201), ARM, and Cell. The resulting expansion isn't perfect, but it's
not bad.
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@73477
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Eli Friedman [Tue, 16 Jun 2009 06:40:59 +0000 (06:40 +0000)]
Misc accumulated tweaks to legalization logic for various targets.
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@73476
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Chris Lattner [Tue, 16 Jun 2009 06:15:56 +0000 (06:15 +0000)]
another xform that is target-independent (should be done in instcombine).
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@73472
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Chris Lattner [Tue, 16 Jun 2009 06:11:35 +0000 (06:11 +0000)]
I think instcombine should unconditionally do this xform.
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@73471
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