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2622 Commits

Author SHA1 Message Date
Chris Lattner
0ec5c32489 fix the other issue with ID's, hopefully really fixing the linux build. 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@84403 91177308-0d34-0410-b5e6-96231b3b80d8
 2009-10-18 04:58:34 +00:00
Chris Lattner
28717a8a60 fix some problems with ID definitions, which will hopefully fix the build bots. 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@84399 91177308-0d34-0410-b5e6-96231b3b80d8
 2009-10-18 04:27:14 +00:00
Chris Lattner
b839c5577d add function passes for printing various dominator datastructures 
accessible through opt.  Patch by Tobias Grosser!


git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@84397 91177308-0d34-0410-b5e6-96231b3b80d8
 2009-10-18 04:10:40 +00:00
Chris Lattner
88067b9133 make DOTGraphTraits public, patch by Tobias Grosser! 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@84396 91177308-0d34-0410-b5e6-96231b3b80d8
 2009-10-18 04:09:11 +00:00
Chris Lattner
391d23b6c2 inline isGEP away. 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@84373 91177308-0d34-0410-b5e6-96231b3b80d8
 2009-10-17 23:48:54 +00:00
Victor Hernandez
a276c603b8 Remove MallocInst from LLVM Instructions. 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@84299 91177308-0d34-0410-b5e6-96231b3b80d8
 2009-10-17 01:18:07 +00:00
Victor Hernandez
136526ce2d Invert isSafeToGetMallocArraySize check because we return NULL when we don't know the size. 
Thanks to Duncan Sands for noticing this bug.



git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@84261 91177308-0d34-0410-b5e6-96231b3b80d8
 2009-10-16 18:08:17 +00:00
Evan Cheng
a846a8a1dc When checking aliases between phi sources and V2, we know the sources are not themselves phi nodes. However, V2 may be. Call aliasCheck with V2 first to potentially eliminate a std::swap call. 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@84226 91177308-0d34-0410-b5e6-96231b3b80d8
 2009-10-16 00:33:09 +00:00
Victor Hernandez
2491ce0353 Fix bug where array malloc with unexpected computation of the size argument resulted in MallocHelper 
identifying the malloc as a non-array malloc.  This broke GlobalOpt's optimization of stores of mallocs 
to global variables.

The fix is to classify malloc's into 3 categories:
1. non-array mallocs
2. array mallocs whose array size can be determined
3. mallocs that cannot be determined to be of type 1 or 2 and cannot be optimized

getMallocArraySize() returns NULL for category 3, and all users of this function must avoid their 
malloc optimization if this function returns NULL.

Eventually, currently unexpected codegen for computing the malloc's size argument will be supported in
isArrayMalloc() and getMallocArraySize(), extending malloc optimizations to those examples.



git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@84199 91177308-0d34-0410-b5e6-96231b3b80d8
 2009-10-15 20:14:52 +00:00
Nick Lewycky
20312d0bb8 Add missing break statements! Thanks to Duncan Sands for pointing this out! 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@84191 91177308-0d34-0410-b5e6-96231b3b80d8
 2009-10-15 18:48:58 +00:00
Nick Lewycky
6e9e010752 Teach basicaa about memcpy/memmove/memset. The length argument can be used to 
improve alias results if constant, and the source pointer can't be modified.


git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@84175 91177308-0d34-0410-b5e6-96231b3b80d8
 2009-10-15 07:11:24 +00:00
Nick Lewycky
2d3820c29c Teach BasicAA to use the size parameter of the memory use marker intrinsics. 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@84174 91177308-0d34-0410-b5e6-96231b3b80d8
 2009-10-15 06:12:11 +00:00
Nick Lewycky
22c031296c Take advantage of TargetData when available; we know that the atomic intrinsics 
only dereference the element they point to directly with no pointer arithmetic.


git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@84159 91177308-0d34-0410-b5e6-96231b3b80d8
 2009-10-15 00:36:35 +00:00
Evan Cheng
f0429fd1ca Clear VisitedPHIs after use. 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@84080 91177308-0d34-0410-b5e6-96231b3b80d8
 2009-10-14 06:46:26 +00:00
Evan Cheng
681a33e26d Another BasicAA fix. If a value does not alias a GEP's base pointer, then it 
cannot alias the GEP. GEP pointer alias rule states this clearly:
A pointer value formed from a getelementptr instruction is associated with the
addresses associated with the first operand of the getelementptr.


git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@84079 91177308-0d34-0410-b5e6-96231b3b80d8
 2009-10-14 06:41:49 +00:00
Evan Cheng
d83c2ca336 More code clean up based on patch feedback. 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@84074 91177308-0d34-0410-b5e6-96231b3b80d8
 2009-10-14 05:22:03 +00:00
Evan Cheng
3dbe43b1b5 Change VisitedPHIs into an instance variable that's freed by each alias() call. 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@84072 91177308-0d34-0410-b5e6-96231b3b80d8
 2009-10-14 05:05:02 +00:00
Evan Cheng
50a5914e12 Teach basic AA about PHI nodes. If all operands of a phi NoAlias another value than it's safe to declare the PHI NoAlias the value. Ditto for MustAlias. 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@84038 91177308-0d34-0410-b5e6-96231b3b80d8
 2009-10-13 22:02:20 +00:00
Dan Gohman
497f61940a Compute a full cost value even when a setjmp call is found. 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@84015 91177308-0d34-0410-b5e6-96231b3b80d8
 2009-10-13 20:10:10 +00:00
Dan Gohman
e7f0ed5ace Split code not specific to Function inlining out into a separate class, 
named CodeMetrics. Move it to be a non-nested class. Rename RegionInfo
back to FunctionInfo.


git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@84013 91177308-0d34-0410-b5e6-96231b3b80d8
 2009-10-13 19:58:07 +00:00
Benjamin Kramer
56bfa4d5d0 Update the other CMake file. 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@84003 91177308-0d34-0410-b5e6-96231b3b80d8
 2009-10-13 18:50:54 +00:00
Evan Cheng
094f04b429 Refactor some code. No functionality changes. 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@84000 91177308-0d34-0410-b5e6-96231b3b80d8
 2009-10-13 18:42:04 +00:00
Dan Gohman
e4aeec003f Move the InlineCost code from Transforms/Utils to Analysis. 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@83998 91177308-0d34-0410-b5e6-96231b3b80d8
 2009-10-13 18:30:07 +00:00
Devang Patel
549e81f7de "there is not any instruction with attached debug info in this module" does not mean "there is no debug info in this module". :) 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@83984 91177308-0d34-0410-b5e6-96231b3b80d8
 2009-10-13 17:35:35 +00:00
Nick Lewycky
5c9be67cff Teach BasicAA a little something about the atomic intrinsics: they can only 
modify through the pointer they're given.


git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@83959 91177308-0d34-0410-b5e6-96231b3b80d8
 2009-10-13 07:48:38 +00:00
Victor Hernandez
5c78736f85 Memory dependence analysis was incorrectly stopping to scan for stores to a pointer at bitcast uses of a malloc call. 
It should continue scanning until the malloc call, and this patch fixes that.



git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@83931 91177308-0d34-0410-b5e6-96231b3b80d8
 2009-10-13 01:42:53 +00:00
Dan Gohman
7a721956f8 Revert r83606 and add comments explaining why it isn't safe. 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@83649 91177308-0d34-0410-b5e6-96231b3b80d8
 2009-10-09 16:35:06 +00:00
Dan Gohman
4db3581a28 Preserve HasNSW and HasNUW when constructing SCEVs for Add and Mul 
instructions.


git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@83606 91177308-0d34-0410-b5e6-96231b3b80d8
 2009-10-09 00:41:22 +00:00
Dan Gohman
3645b01002 Add the ability to track HasNSW and HasNUW on more kinds of SCEV expressions. 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@83601 91177308-0d34-0410-b5e6-96231b3b80d8
 2009-10-09 00:10:36 +00:00
Douglas Gregor
c6f520be0d Update CMake build yet again after a source file was removed 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@83575 91177308-0d34-0410-b5e6-96231b3b80d8
 2009-10-08 21:24:34 +00:00
Bill Wendling
26c6cf4cec It's possible for a global variable to be optimized out of a metadata object. So 
we should allow a "null" with this dyn_cast.


git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@83573 91177308-0d34-0410-b5e6-96231b3b80d8
 2009-10-08 20:52:51 +00:00
Chris Lattner
8ef27511e3 remove LoopVR pass. According to Nick: 
"LoopVR's logic was copied into ScalarEvolution::getUnsignedRange and 
::getSignedRange. Please delete LoopVR."



git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@83531 91177308-0d34-0410-b5e6-96231b3b80d8
 2009-10-08 06:42:44 +00:00
Devang Patel
beab41b874 Extract subprogram and compile unit information from the debug info attached to an instruction. 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@83491 91177308-0d34-0410-b5e6-96231b3b80d8
 2009-10-07 22:04:08 +00:00
Torok Edwin
4de86fe0d7 Add PR to this FIXME, looks like I didn't commit this change after all. 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@83457 91177308-0d34-0410-b5e6-96231b3b80d8
 2009-10-07 09:22:55 +00:00
Duncan Sands
ac53a0b272 Introduce and use convenience methods for getting pointer types 
where the element is of a basic builtin type.  For example, to get
an i8* use getInt8PtrTy.


git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@83379 91177308-0d34-0410-b5e6-96231b3b80d8
 2009-10-06 15:40:36 +00:00
Evan Phoenix
1614e50d9f Extend ConstantFolding to understand signed overflow variants 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@83338 91177308-0d34-0410-b5e6-96231b3b80d8
 2009-10-05 22:53:52 +00:00
Torok Edwin
85c005af0d Don't treat malloc calls with non-matching prototype as malloc. 
Fixes second part of PR5130, miscompilation in FreeBSD kernel, where malloc takes 3 params,
and *does* initialize memory.


git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@83324 91177308-0d34-0410-b5e6-96231b3b80d8
 2009-10-05 21:15:43 +00:00
Dan Gohman
c6f69e94fa Remove an unnnecessary LLVMContext argument in 
ConstantFoldLoadThroughGEPConstantExpr.


git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@83311 91177308-0d34-0410-b5e6-96231b3b80d8
 2009-10-05 16:36:26 +00:00
Chris Lattner
e65cd40ab9 teach the optimizer how to constant fold uadd/usub intrinsics. 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@83295 91177308-0d34-0410-b5e6-96231b3b80d8
 2009-10-05 05:26:04 +00:00
Chris Lattner
d0806a1519 simplify this code a bunch. 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@83294 91177308-0d34-0410-b5e6-96231b3b80d8
 2009-10-05 05:06:24 +00:00
Chris Lattner
68a0603dc5 code simplifications. 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@83292 91177308-0d34-0410-b5e6-96231b3b80d8
 2009-10-05 05:00:35 +00:00
Mike Stump
e4250396ea Expand api out in the usual inserter way, though, I do have a 
question, can we get rid of the BasicBlock versions of all inserters
and use Head == 0 to indicate the old case when GetInsertBlock == 0?


git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@83216 91177308-0d34-0410-b5e6-96231b3b80d8
 2009-10-01 22:08:58 +00:00
Devang Patel
a1434045c3 Add another MDNode into DebugLocTuple. This will be used to keep track of inlined functions. 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@83190 91177308-0d34-0410-b5e6-96231b3b80d8
 2009-10-01 01:15:28 +00:00
Devang Patel
ecbeb1a490 Add isFOO() helpers. Fix getDirectory() and getFilename() for DIScope. 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@83180 91177308-0d34-0410-b5e6-96231b3b80d8
 2009-09-30 22:34:41 +00:00
Mike Stump
3e4c9bdb67 Add a way for a frontend to generate more complex dwarf location 
information.  This allows arbitrary code involving DW_OP_plus_uconst
and DW_OP_deref.  The scheme allows for easy extention to include,
any, or all of the DW_OP_ opcodes.  I thought about just exposing all
of them, but, wasn't sure if people wanted the dwarf opcodes exposed
in the api.  Is that a layering violation?

With this scheme, the entire existing block scheme used by llvm-gcc
can be switched over to the new scheme.  I think that would be
cleaner, as then the compiler specific bits are not present in llvm
proper.  Before the old code can be yanked however, similar code in
clang would have to be removed.

Next up, more testing.


git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@83120 91177308-0d34-0410-b5e6-96231b3b80d8
 2009-09-30 00:08:22 +00:00
Devang Patel
5ccdd10b1a Remove std::string uses from DebugInfo interface. 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@83083 91177308-0d34-0410-b5e6-96231b3b80d8
 2009-09-29 18:40:58 +00:00
Dan Gohman
f3f1be6f06 When extending the operands of an addrec, iterate through all 
the operands, rather than trying to partition them into a start
and a step. This handles non-affine add recurrences correctly.


git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@83011 91177308-0d34-0410-b5e6-96231b3b80d8
 2009-09-28 21:01:47 +00:00
Dan Gohman
23aefe5e92 Create a README.txt for lib/Analysis, and add an entry. 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@83001 91177308-0d34-0410-b5e6-96231b3b80d8
 2009-09-28 18:38:53 +00:00
Dan Gohman
322b95cd5f Fix this debug output to handle the case where the loop has been deleted. 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@82994 91177308-0d34-0410-b5e6-96231b3b80d8
 2009-09-28 15:40:01 +00:00
Dan Gohman
6d594a9d76 Include the name of the loop header in debug messages. 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@82993 91177308-0d34-0410-b5e6-96231b3b80d8
 2009-09-28 15:07:18 +00:00