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312 Commits

Author SHA1 Message Date
Nick Lewycky
75e67d4dc2 Just because a GlobalVariable's initializer is [N x { i32, void ()* }] doesn't 
mean that it has to be ConstantArray of ConstantStruct. We might have
ConstantAggregateZero, at either level, so don't crash on that.

Also, semi-deprecate the sentinal value. The linker isn't aware of sentinals so
we end up with the two lists appended, each with their "sentinals" on them.
Different parts of LLVM treated sentinals differently, so make them all just
ignore the single entry and continue on with the rest of the list.

llvm-svn: 129307
 2011-04-11 22:11:20 +00:00
Jay Foad
0d5ca4cf44 Don't include Operator.h from InstrTypes.h. 
llvm-svn: 129271
 2011-04-11 09:35:34 +00:00
Eli Friedman
f0ba0c54ec Add back a couple checks removed by r129128; the fact that an intitializer 
is an array of structures doesn't imply it's a ConstantArray of
ConstantStruct.

llvm-svn: 129207
 2011-04-09 09:11:09 +00:00
Nick Lewycky
ac1fe011df llvm.global_[cd]tor is defined to be either external, or appending with an array 
of { i32, void ()* }. Teach the verifier to verify that, deleting copies of
checks strewn about.

llvm-svn: 129128
 2011-04-08 07:30:21 +00:00
Jay Foad
53632b7c03 Remove PHINode::reserveOperandSpace(). Instead, add a parameter to 
PHINode::Create() giving the (known or expected) number of operands.

llvm-svn: 128537
 2011-03-30 11:28:46 +00:00
Jay Foad
dc5a008237 (Almost) always call reserveOperandSpace() on newly created PHINodes. 
llvm-svn: 128535
 2011-03-30 11:19:20 +00:00
Anders Carlsson
8f934f6652 Handle another case that Frits suggested. 
llvm-svn: 128068
 2011-03-22 03:21:01 +00:00
Anders Carlsson
41cc428751 More cleanups to the OptimizeEmptyGlobalCXXDtors GlobalOpt function. 
llvm-svn: 127997
 2011-03-21 14:54:40 +00:00
Anders Carlsson
59d24b6777 As suggested by Nick Lewycky, ignore debugging intrinsics when trying to decide whether a destructor is empty or not. 
llvm-svn: 127985
 2011-03-21 02:42:27 +00:00
Nick Lewycky
2f6da949e9 Fix comments 
llvm-svn: 127984
 2011-03-21 02:26:01 +00:00
Anders Carlsson
097f3f44a8 Don't try to eliminate invokes to __cxa_atexit. 
llvm-svn: 127976
 2011-03-20 20:21:33 +00:00
Anders Carlsson
07922b7344 Don't segfault on mutual recursion, as pointed out by Frits. 
llvm-svn: 127975
 2011-03-20 20:16:43 +00:00
Anders Carlsson
1b29d560bf Address comments from Frits van Bommel. 
llvm-svn: 127974
 2011-03-20 19:51:13 +00:00
Anders Carlsson
afcc55f09c Add an optimization to GlobalOpt that eliminates calls to __cxa_atexit, if the function passed is empty. 
llvm-svn: 127970
 2011-03-20 17:59:11 +00:00
Chris Lattner
db204cbe42 convert ConstantVector::get to use ArrayRef. 
llvm-svn: 125537
 2011-02-15 00:14:00 +00:00
Chris Lattner
ee7f7c2494 revert my ConstantVector patch, it seems to have made the llvm-gcc 
builders unhappy.

llvm-svn: 125504
 2011-02-14 18:15:46 +00:00
Chris Lattner
34f32cb4c2 Switch ConstantVector::get to use ArrayRef instead of a pointer+size 
idiom.  Change various clients to simplify their code.

llvm-svn: 125487
 2011-02-14 07:55:32 +00:00
Rafael Espindola
ce499efe1d Add unnamed_addr when we can show that address of a global is not used. 
llvm-svn: 123834
 2011-01-19 16:32:21 +00:00
Rafael Espindola
1cab858a5c Reduce indentation and remove commented out code. 
llvm-svn: 123729
 2011-01-18 04:36:06 +00:00
Owen Anderson
6e0fa67f91 Improve the safety of my globalopt enhancement by ensuring that the bitcast 
of the stored value to the new store type is always.  Also, add a testcase.

llvm-svn: 123563
 2011-01-16 04:33:33 +00:00
Chris Lattner
e3d0c7819e simplify this code, it is still broken but will follow up on llvm-commits. 
llvm-svn: 123558
 2011-01-16 02:05:10 +00:00
Benjamin Kramer
91f0608676 Try to unbreak selfhost. 
llvm-svn: 123537
 2011-01-15 11:25:34 +00:00
Owen Anderson
63902f2c99 Fix a false-positive warning. 
llvm-svn: 123480
 2011-01-14 22:31:13 +00:00
Owen Anderson
51dcd56f96 Enhance GlobalOpt to be able evaluate initializers that involve stores through 
bitcasts, at least in simple cases.  This fixes clang's CodeGenCXX/virtual-base-dtor.cpp

llvm-svn: 123477
 2011-01-14 22:19:20 +00:00
Chris Lattner
fda382af51 fix a globalopt crash on two Adobe-C++ testcases that the recent 
loop idiom pass exposed.

llvm-svn: 122674
 2011-01-01 22:31:46 +00:00
Chris Lattner
12c2c17ac7 reapply r121100 with a tweak to constant fold ConstExprs with TargetData 
(if available) as we go so that we get simple constantexprs not insane ones.
This fixes the failure of clang/test/CodeGenCXX/virtual-base-ctor.cpp
that the previous iteration of this patch had.

llvm-svn: 121111
 2010-12-07 04:33:29 +00:00
Eric Christopher
cab6997dc8 Temporarily revert r121100 as it's causing clang to fail 
CodeGenCXX/virtual-base-ctor.cpp.

llvm-svn: 121102
 2010-12-07 02:41:11 +00:00
Chris Lattner
5996a47663 fix PR8710 - teach global opt that some constantexprs are too complex to 
put in a global variable's initializer.

llvm-svn: 121100
 2010-12-07 01:59:32 +00:00
Chris Lattner
599e271a46 replace a linear scan with a symtab lookup, reduce indentation. 
No functionality change.

llvm-svn: 121042
 2010-12-06 21:53:07 +00:00
Owen Anderson
46990c17f7 Get rid of static constructors for pass registration. Instead, every pass exposes an initializeMyPassFunction(), which 
must be called in the pass's constructor.  This function uses static dependency declarations to recursively initialize
the pass's dependencies.

Clients that only create passes through the createFooPass() APIs will require no changes.  Clients that want to use the
CommandLine options for passes will need to manually call the appropriate initialization functions in PassInitialization.h
before parsing commandline arguments.

I have tested this with all standard configurations of clang and llvm-gcc on Darwin.  It is possible that there are problems
with the static dependencies that will only be visible with non-standard options.  If you encounter any crash in pass
registration/creation, please send the testcase to me directly.

llvm-svn: 116820
 2010-10-19 17:21:58 +00:00
Mikhail Glushenkov
0c09a4b97f GlobalOpt: EvaluateFunction() must not evaluate stores to weak_odr globals. 
Fixes PR8389.

llvm-svn: 116812
 2010-10-19 16:47:23 +00:00
Mikhail Glushenkov
48553997d2 Trailing whitespace. 
llvm-svn: 116749
 2010-10-18 21:16:00 +00:00
Owen Anderson
69cbf2e8b7 Now with fewer extraneous semicolons! 
llvm-svn: 115996
 2010-10-07 22:25:06 +00:00
Owen Anderson
f2fea95f2f Reapply r110396, with fixes to appease the Linux buildbot gods. 
llvm-svn: 110460
 2010-08-06 18:33:48 +00:00
Owen Anderson
aadd8a89ca Revert r110396 to fix buildbots. 
llvm-svn: 110410
 2010-08-06 00:23:35 +00:00
Owen Anderson
b9762c07cb Don't use PassInfo* as a type identifier for passes. Instead, use the address of the static 
ID member as the sole unique type identifier.  Clean up APIs related to this change.

llvm-svn: 110396
 2010-08-05 23:42:04 +00:00
Oscar Fuentes
4742c01c2a Prefix next' iterator operation with llvm::'. 
Fixes potential ambiguity problems on VS 2010.

Patch by nobled!

llvm-svn: 110029
 2010-08-02 06:00:15 +00:00
Gabor Greif
a7509fca78 undo 80 column trespassing I caused 
llvm-svn: 109092
 2010-07-22 10:37:47 +00:00
Owen Anderson
f8addbb0a1 Fix batch of converting RegisterPass<> to INTIALIZE_PASS(). 
llvm-svn: 109045
 2010-07-21 22:09:45 +00:00
Chris Lattner
663dd0eb36 eliminate unlockedRefineAbstractTypeTo, types are all per-llvmcontext, 
so there is no locking involved in type refinement.

llvm-svn: 108553
 2010-07-16 20:50:13 +00:00
Gabor Greif
de1c22125f cache result of operator* 
llvm-svn: 108144
 2010-07-12 14:13:15 +00:00
Chris Lattner
c6f9c11878 make the prototypes for CreateMalloc and CreateFree more consistent. Patch 
by Hans Vandierendonck from PR7605

llvm-svn: 108116
 2010-07-12 00:57:28 +00:00
Gabor Greif
e0e7111f4e cache result of operator* 
llvm-svn: 107990
 2010-07-09 16:51:20 +00:00
Gabor Greif
520f2c6cb9 use ArgOperand API and CallSite for arg range; add necessary casts and perform some cosmetics 
llvm-svn: 106747
 2010-06-24 14:42:01 +00:00
Gabor Greif
2eaf8afcff use abstract accessors to CallInst 
llvm-svn: 101899
 2010-04-20 13:13:04 +00:00
Eric Christopher
e78496e5f1 Revert 101465, it broke internal OpenGL testing. 
Probably the best way to know that all getOperand() calls have been handled
is to replace that API instead of updating.

llvm-svn: 101579
 2010-04-16 23:37:20 +00:00
Gabor Greif
e7d6812008 reapply r101434 
with a fix for self-hosting

rotate CallInst operands, i.e. move callee to the back
of the operand array

the motivation for this patch are laid out in my mail to llvm-commits:
more efficient access to operands and callee, faster callgraph-construction,
smaller compiler binary

llvm-svn: 101465
 2010-04-16 15:33:14 +00:00
Gabor Greif
cd116e8c6a back out r101423 and r101397, they break llvm-gcc self-host on darwin10 
llvm-svn: 101434
 2010-04-16 01:16:20 +00:00
Gabor Greif
2e18d34d80 reapply r101364, which has been backed out in r101368 
with a fix

rotate CallInst operands, i.e. move callee to the back
of the operand array

the motivation for this patch are laid out in my mail to llvm-commits:
more efficient access to operands and callee, faster callgraph-construction,
smaller compiler binary

llvm-svn: 101397
 2010-04-15 20:51:13 +00:00
Gabor Greif
6022150477 back out r101364, as it trips the linux nightlybot on some clang C++ tests 
llvm-svn: 101368
 2010-04-15 12:46:56 +00:00