Dan Gohman
13d63f2d26
Update CMakeLists for recent renames.
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git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@85660 91177308-0d34-0410-b5e6-96231b3b80d8
2009-10-31 14:38:25 +00:00
Dan Gohman
928a75f057
Rename UnrollLoop.cpp to LoopUnroll.cpp, and LoopUnroll.cpp to
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LoopUnrollPass.cpp, for consistency with other passes which are
similarly split.
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@85659 91177308-0d34-0410-b5e6-96231b3b80d8
2009-10-31 14:37:31 +00:00
Dan Gohman
0e747beb3c
Add a comment about a missed opportunity.
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git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@85635 91177308-0d34-0410-b5e6-96231b3b80d8
2009-10-30 23:15:43 +00:00
Dan Gohman
2c63566e40
Teach SimplifyCFG how to eliminate duplicate PHI nodes within a block.
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This reduces codesize on a variety of codes by 1-2% on x86-64. It also
helps clean up after SSAUpdater.
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@85626 91177308-0d34-0410-b5e6-96231b3b80d8
2009-10-30 22:39:04 +00:00
Chris Lattner
4c0236fd8b
teach various passes about blockaddress. We no longer
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crash on any clang tests.
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@85465 91177308-0d34-0410-b5e6-96231b3b80d8
2009-10-29 01:21:20 +00:00
Chris Lattner
1bb95911de
teach ValueMapper about BlockAddress', making bugpoint a lot more useful.
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git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@85458 91177308-0d34-0410-b5e6-96231b3b80d8
2009-10-29 00:31:02 +00:00
Chris Lattner
77488ccc63
unindent massive blocks, no functionality change.
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git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@85457 91177308-0d34-0410-b5e6-96231b3b80d8
2009-10-29 00:28:30 +00:00
Devang Patel
50b6e33584
Factor out redundancy from clone() implementations.
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git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@85327 91177308-0d34-0410-b5e6-96231b3b80d8
2009-10-27 22:16:29 +00:00
Victor Hernandez
f006b183e2
Rename MallocFreeHelper as MemoryBuiltins
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git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@85286 91177308-0d34-0410-b5e6-96231b3b80d8
2009-10-27 20:05:49 +00:00
Chris Lattner
c581acbbba
Fix a pretty serious misfeature of the inliner: if it inlines a function
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with multiple return values it inserts a PHI to merge them all together.
However, if the return values are all the same, it ends up with a pointless
PHI and this pointless PHI happens to really block SRoA from happening in
at least a silly C++ example written by Doug, but probably others. This
fixes rdar://7339069.
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@85206 91177308-0d34-0410-b5e6-96231b3b80d8
2009-10-27 05:39:41 +00:00
Victor Hernandez
f2becca90b
Rename MallocHelper as MallocFreeHelper, since it now also identifies calls to free()
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git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@85181 91177308-0d34-0410-b5e6-96231b3b80d8
2009-10-26 23:58:56 +00:00
Victor Hernandez
046e78ce55
Remove FreeInst.
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Remove LowerAllocations pass.
Update some more passes to treate free calls just like they were treating FreeInst.
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@85176 91177308-0d34-0410-b5e6-96231b3b80d8
2009-10-26 23:43:48 +00:00
Nick Lewycky
f5a86f45e7
Remove includes of Support/Compiler.h that are no longer needed after the
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VISIBILITY_HIDDEN removal.
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@85043 91177308-0d34-0410-b5e6-96231b3b80d8
2009-10-25 06:57:41 +00:00
Nick Lewycky
6726b6d75a
Remove VISIBILITY_HIDDEN from class/struct found inside anonymous namespaces.
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Chris claims we should never have visibility_hidden inside any .cpp file but
that's still not true even after this commit.
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@85042 91177308-0d34-0410-b5e6-96231b3b80d8
2009-10-25 06:33:48 +00:00
Dan Gohman
5fa75b0fa4
MapValue doesn't needs its LLVMContext argument.
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git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@85020 91177308-0d34-0410-b5e6-96231b3b80d8
2009-10-24 23:37:16 +00:00
Victor Hernandez
66284e063a
Auto-upgrade free instructions to calls to the builtin free function.
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Update all analysis passes and transforms to treat free calls just like FreeInst.
Remove RaiseAllocations and all its tests since FreeInst no longer needs to be raised.
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@84987 91177308-0d34-0410-b5e6-96231b3b80d8
2009-10-24 04:23:03 +00:00
Chris Lattner
88a8624f8e
alternate fix for PR5258 which avoids worklist problems, with reduced testcase.
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git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@84667 91177308-0d34-0410-b5e6-96231b3b80d8
2009-10-20 20:27:49 +00:00
Torok Edwin
f993327e71
Fix PR5258, jump-threading creating invalid PHIs.
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When an incoming value for a PHI is updated, we must also updated all other
incoming values for the same BB to match, otherwise we create invalid PHIs.
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@84638 91177308-0d34-0410-b5e6-96231b3b80d8
2009-10-20 15:42:00 +00:00
Dan Gohman
841a147531
Fix SplitBlockPredecessors' LoopInfo updating code to handle the case
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where a loop's header is being split and it has predecessors which are not
contained by the most-nested loop which contains the loop.
This fixes PR5235.
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@84505 91177308-0d34-0410-b5e6-96231b3b80d8
2009-10-19 16:04:50 +00:00
Dan Gohman
e02a698acf
Change instnamer to name arguments "arg" instead of "tmp" for clarity, and
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to name basic blocks "bb" instead of "BB", for consistency.
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@84502 91177308-0d34-0410-b5e6-96231b3b80d8
2009-10-19 14:47:32 +00:00
Chris Lattner
6128df5255
Simplify some code (first hunk) and fix PR5208 (second hunk) by
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updating the callgraph when introducing a call.
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@84310 91177308-0d34-0410-b5e6-96231b3b80d8
2009-10-17 05:39:39 +00:00
Victor Hernandez
a276c603b8
Remove MallocInst from LLVM Instructions.
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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
Duncan Sands
ed90342d8a
Strip trailing white space.
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git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@84256 91177308-0d34-0410-b5e6-96231b3b80d8
2009-10-16 15:20:13 +00:00
Ted Kremenek
db9d3206c0
Update CMake file.
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git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@84001 91177308-0d34-0410-b5e6-96231b3b80d8
2009-10-13 18:48:07 +00:00
Dan Gohman
a7471de2bf
Commit the removal of this file, which is now moved to lib/Analysis.
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git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@83999 91177308-0d34-0410-b5e6-96231b3b80d8
2009-10-13 18:37:20 +00:00
Dan Gohman
9b39cf5ac8
Start refactoring the inline cost estimation code so that it can be used
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for purposes other than inlining.
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@83997 91177308-0d34-0410-b5e6-96231b3b80d8
2009-10-13 18:24:11 +00:00
Chris Lattner
11f15dbb28
change simplifycfg to not duplicate 'unwind' instructions. Hopefully
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this will increase the likelihood of common code getting sunk towards
the unwind.
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@83996 91177308-0d34-0410-b5e6-96231b3b80d8
2009-10-13 18:13:05 +00:00
Chris Lattner
8c1db67a4c
rewrite LCSSA to use SSAUpdate, to only return true if it modifies
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the IR, and to implement the FIXME'd optimization.
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@83748 91177308-0d34-0410-b5e6-96231b3b80d8
2009-10-11 02:53:37 +00:00
Chris Lattner
39b0c3d613
clean up and simplify some code. Don't use setvector when things will be
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inserted only once, just use vector. Don't compute ExitBlocks unless we
need it, change std::sort to array_pod_sort.
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@83747 91177308-0d34-0410-b5e6-96231b3b80d8
2009-10-11 01:07:15 +00:00
Chris Lattner
0bef562ea2
add a simple helper method.
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git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@83745 91177308-0d34-0410-b5e6-96231b3b80d8
2009-10-10 23:41:48 +00:00
Chris Lattner
f5a1fb6b24
add ability for clients of SSAUpdater to find out about the
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PHI nodes inserted.
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@83744 91177308-0d34-0410-b5e6-96231b3b80d8
2009-10-10 23:15:24 +00:00
Chris Lattner
1a8d4de397
add the ability to get a rewritten value from the middle of a block,
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not just at the end. Add a big comment explaining when this could
be useful (which never happens for jump threading).
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@83741 91177308-0d34-0410-b5e6-96231b3b80d8
2009-10-10 23:00:11 +00:00
Chris Lattner
5fb107287f
rename GetValueInBlock -> GetValueAtEndOfBlock to better reflect
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what it does.
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@83740 91177308-0d34-0410-b5e6-96231b3b80d8
2009-10-10 22:41:58 +00:00
Chris Lattner
f9920fabac
use a typedef instead of spelling out an insane type. Yay for auto someday.
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git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@83707 91177308-0d34-0410-b5e6-96231b3b80d8
2009-10-10 09:09:20 +00:00
Chris Lattner
93f3bcf7f3
Implement an efficient and fully general SSA update mechanism that
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works on unstructured CFGs. This implements PR217, our oldest open PR.
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@83705 91177308-0d34-0410-b5e6-96231b3b80d8
2009-10-10 09:04:27 +00:00
Chris Lattner
2d7f1d24bf
random tidying
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git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@83701 91177308-0d34-0410-b5e6-96231b3b80d8
2009-10-10 06:22:45 +00:00
Dale Johannesen
bdb984bc27
Use names instead of numbers for some of the magic
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constants used in inlining heuristics (especially
those used in more than one file). No functional change.
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@83675 91177308-0d34-0410-b5e6-96231b3b80d8
2009-10-09 21:42:02 +00:00
Eric Christopher
00d67db384
Add FreeInst to the "is a call" check for Insts that are calls, but
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not intrinsics.
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@83441 91177308-0d34-0410-b5e6-96231b3b80d8
2009-10-07 00:54:08 +00:00
Eric Christopher
0704300d88
While we still have a MallocInst treat it as a call like any other
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for inlining.
When MallocInst goes away this code will be subsumed as part of
calls and work just fine...
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@83434 91177308-0d34-0410-b5e6-96231b3b80d8
2009-10-07 00:02:18 +00:00
Duncan Sands
ac53a0b272
Introduce and use convenience methods for getting pointer types
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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
Dan Gohman
c6f69e94fa
Remove an unnnecessary LLVMContext argument in
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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
Owen Anderson
08993acada
Do away with the strange use of BitVectors in SSI, and just use normal sets. This makes the code much more C++/LLVM-ish.
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git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@83286 91177308-0d34-0410-b5e6-96231b3b80d8
2009-10-04 18:49:55 +00:00
Owen Anderson
216abab84f
Fix a typo in the comment.
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git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@83283 91177308-0d34-0410-b5e6-96231b3b80d8
2009-10-04 17:52:13 +00:00
Owen Anderson
7aa3c781b4
SSI needs to require DT and DF transitively, since it uses them outside of its runOnFunction.
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Similarly, it can be marked setPreservesAll, since it does no work in its runOnFunction.
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@83282 91177308-0d34-0410-b5e6-96231b3b80d8
2009-10-04 17:47:39 +00:00
Dan Gohman
5184635eda
Fix this code so that it doesn't try to iterate through a std::vector
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while calling changeImmediateDominator, which removes elements from the
vector. This fixes PR5097.
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@83166 91177308-0d34-0410-b5e6-96231b3b80d8
2009-09-30 20:54:16 +00:00
Dan Gohman
2d5dfd94e5
Remove a redundant #ifndef and add an assertion string.
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git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@82991 91177308-0d34-0410-b5e6-96231b3b80d8
2009-09-28 14:38:19 +00:00
Dan Gohman
d84db11333
Convert LoopSimplify and LoopExtractor from FunctionPass to LoopPass.
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git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@82990 91177308-0d34-0410-b5e6-96231b3b80d8
2009-09-28 14:37:51 +00:00
Chris Lattner
4412d04876
calls are already handled, malloc doesn't need a special case.
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git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@82931 91177308-0d34-0410-b5e6-96231b3b80d8
2009-09-27 21:33:46 +00:00
Nick Lewycky
6776064d19
Instruction::clone does not need to take an LLVMContext&. Remove that and
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update all the callers.
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@82889 91177308-0d34-0410-b5e6-96231b3b80d8
2009-09-27 07:38:41 +00:00
Dale Johannesen
d5405a67d5
A minor improvment in accuracy to inline cost
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computation, and some cosmetics.
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@82660 91177308-0d34-0410-b5e6-96231b3b80d8
2009-09-23 22:05:24 +00:00
Chris Lattner
2b723a5e3d
tidy up
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git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@82488 91177308-0d34-0410-b5e6-96231b3b80d8
2009-09-21 22:26:02 +00:00
Victor Hernandez
83d63919bd
Enhance transform passes so that they apply the same tranforms to malloc calls as to MallocInst.
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Reviewed by Dan Gohman.
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@82300 91177308-0d34-0410-b5e6-96231b3b80d8
2009-09-18 22:35:49 +00:00
Victor Hernandez
88d9839d07
Update malloc call creation code (AllocType is now the element type of the malloc, not the resulting type).
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In getMallocArraySize(), fix bug in the case that array size is the product of 2 constants.
Extend isArrayMalloc() and getMallocArraySize() to handle case where malloc is used as char array.
Ensure that ArraySize in LowerAllocations::runOnBasicBlock() is correct type.
Extend Instruction::isSafeToSpeculativelyExecute() to handle malloc calls.
Add verification for malloc calls.
Reviewed by Dan Gohman.
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@82257 91177308-0d34-0410-b5e6-96231b3b80d8
2009-09-18 19:20:02 +00:00
Andreas Neustifter
ad80981a10
Preserve ProfileInfo during CodeGenPrepare.
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git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@82034 91177308-0d34-0410-b5e6-96231b3b80d8
2009-09-16 09:26:52 +00:00
Nick Lewycky
fd5249e15b
Correctly handle the case where a comparison is created in one BasicBlock and
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used by a terminator in another.
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@81437 91177308-0d34-0410-b5e6-96231b3b80d8
2009-09-10 07:02:09 +00:00
Evan Cheng
fabcb9127f
Add malloc call utility functions. Patch by Victor Hernandez.
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git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@81426 91177308-0d34-0410-b5e6-96231b3b80d8
2009-09-10 04:36:43 +00:00
Dan Gohman
c292caf55c
Fix SplitCriticalEdge to properly update LCSSA form when splitting a
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loop exit edge -- new PHIs may be needed not only for the additional
splits that are made to preserve LoopSimplify form, but also for the
original split. Factor out the code that inserts new PHIs so that it
can be used for both. Remove LoopRotation.cpp's code for manually
updating LCSSA form, as it is now redundant. This fixes PR4934.
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@81363 91177308-0d34-0410-b5e6-96231b3b80d8
2009-09-09 18:18:18 +00:00
Andreas Neustifter
ff5dfdff56
Preserve ProfileInfo.
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git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@81360 91177308-0d34-0410-b5e6-96231b3b80d8
2009-09-09 17:53:39 +00:00
Dan Gohman
5c89b5240c
Re-apply r80926, with fixes: keep the domtree informed of new blocks
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that get created during loop unswitching, and fix SplitBlockPredecessors'
LCSSA updating code to create new PHIs instead of trying to just move
existing ones.
Also, optimize Loop::verifyLoop, since it gets called a lot. Use
searches on a sorted list of blocks instead of calling the "contains"
function, as is done in other places in the Loop class, since "contains"
does a linear search. Also, don't call verifyLoop from LoopSimplify or
LCSSA, as the PassManager is already calling verifyLoop as part of
LoopInfo's verifyAnalysis.
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@81221 91177308-0d34-0410-b5e6-96231b3b80d8
2009-09-08 15:45:00 +00:00
Eric Christopher
f61f89ae14
Fix comment.
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git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@81138 91177308-0d34-0410-b5e6-96231b3b80d8
2009-09-06 22:20:54 +00:00
Evan Cheng
8f78a58e14
Revert r80926. It causes loop unswitch assertion and slow down some JIT tests significantly.
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git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@81101 91177308-0d34-0410-b5e6-96231b3b80d8
2009-09-06 02:26:10 +00:00
Dan Gohman
8fc5ad3369
Add a verifyAnalysis to LoopInfo, LoopSimplify, and LCSSA form that verify
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that these passes are properly preserved.
Fix several transformation passes that claimed to preserve LoopSimplify
form but weren't.
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@80926 91177308-0d34-0410-b5e6-96231b3b80d8
2009-09-03 16:31:42 +00:00
Dan Gohman
bccfc24c4e
Change PHINode::hasConstantValue to have a DominatorTree argument
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instead of a bool argument, and to do the dominator check itself.
This makes it eaiser to use when DominatorTree information is
available.
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@80920 91177308-0d34-0410-b5e6-96231b3b80d8
2009-09-03 15:34:35 +00:00
Gabor Greif
03a5f139fb
back out my recent commit (r80858), it seems to break self-hosting buildbot's stage 2 configure
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git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@80871 91177308-0d34-0410-b5e6-96231b3b80d8
2009-09-03 02:02:59 +00:00
Gabor Greif
190390b8d3
re-commit r66920 (which has been backed out in r66953) I may have more luck this time. I'll back out if needed...
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git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@80858 91177308-0d34-0410-b5e6-96231b3b80d8
2009-09-03 00:18:58 +00:00
Chris Lattner
81dfb38852
remove a bunch of explicit code previously needed to update the
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callgraph. This is now dead because RAUW does the job.
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@80703 91177308-0d34-0410-b5e6-96231b3b80d8
2009-09-01 18:44:06 +00:00
Chris Lattner
a541b0fde2
Change CallGraphNode to maintain it's Function as an AssertingVH
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for sanity. This didn't turn up any bugs.
Change CallGraphNode to maintain its "callsite" information in the
call edges list as a WeakVH instead of as an instruction*. This fixes
a broad class of dangling pointer bugs, and makes CallGraph have a number
of useful invariants again. This fixes the class of problem indicated
by PR4029 and PR3601.
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@80663 91177308-0d34-0410-b5e6-96231b3b80d8
2009-09-01 06:31:31 +00:00
Devang Patel
e4b275610a
Reapply 79977.
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Use MDNodes to encode debug info in llvm IR.
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@80406 91177308-0d34-0410-b5e6-96231b3b80d8
2009-08-28 23:24:31 +00:00
Chris Lattner
29f42aebd0
unbreak the build, yay for symlinks + makefiles. :(
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git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@80205 91177308-0d34-0410-b5e6-96231b3b80d8
2009-08-27 04:43:05 +00:00
Chris Lattner
8f2718fbef
enhance InlineFunction to be able to optionally return
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a the list of static allocas that it inlined.
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@80203 91177308-0d34-0410-b5e6-96231b3b80d8
2009-08-27 04:20:52 +00:00
Chris Lattner
ec1bea0d94
smallvectorize the list of returns built by CloneAndPruneFunctionInto.
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git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@80202 91177308-0d34-0410-b5e6-96231b3b80d8
2009-08-27 04:02:30 +00:00
Chris Lattner
597ef10577
remove CloneTrace, which appears to be dead since 2004.
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git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@80201 91177308-0d34-0410-b5e6-96231b3b80d8
2009-08-27 03:56:43 +00:00
Chris Lattner
135755dae4
reduce inlining factor some stuff out to a static helper function,
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and other code cleanups. No functionality change.
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@80199 91177308-0d34-0410-b5e6-96231b3b80d8
2009-08-27 03:51:50 +00:00
Devang Patel
8245988835
Revert 79977. It causes llvm-gcc bootstrap failures on some platforms.
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git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@80073 91177308-0d34-0410-b5e6-96231b3b80d8
2009-08-26 05:01:18 +00:00
Dan Gohman
1c8a23c440
Eliminate the unused Context argument on one of the ICmpInst and FCmpInst
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constructors.
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@80049 91177308-0d34-0410-b5e6-96231b3b80d8
2009-08-25 23:17:54 +00:00
Dan Gohman
58cfa3b137
Rename Instruction::isIdenticalTo to Instruction::isIdenticalToWhenDefined,
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and introduce a new Instruction::isIdenticalTo which tests for full
identity, including the SubclassOptionalData flags. Also, fix the
Instruction::clone implementations to preserve the SubclassOptionalData
flags. Finally, teach several optimizations how to handle
SubclassOptionalData correctly, given these changes.
This fixes the counterintuitive behavior of isIdenticalTo not comparing
the full value, and clone not returning an identical clone, as well as
some subtle bugs that could be caused by these.
Thanks to Nick Lewycky for reporting this, and for an initial patch!
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@80038 91177308-0d34-0410-b5e6-96231b3b80d8
2009-08-25 22:11:20 +00:00
Owen Anderson
613bf1ef01
Comment-ify.
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git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@80009 91177308-0d34-0410-b5e6-96231b3b80d8
2009-08-25 17:42:07 +00:00
Owen Anderson
55a0f1e41f
Switch to SmallVector.
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git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@80007 91177308-0d34-0410-b5e6-96231b3b80d8
2009-08-25 17:35:37 +00:00
Owen Anderson
60fd8be183
Pull out this predicate loop into a helper function.
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git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@80006 91177308-0d34-0410-b5e6-96231b3b80d8
2009-08-25 17:26:32 +00:00
Devang Patel
2a610c7387
Update DebugInfo interface to use metadata, instead of special named llvm.dbg.... global variables, to encode debugging information in llvm IR. This is mostly a mechanical change that tests metadata support very well.
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This change speeds up llvm-gcc by more then 6% at "-O0 -g" (measured by compiling InstructionCombining.cpp!)
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@79977 91177308-0d34-0410-b5e6-96231b3b80d8
2009-08-25 05:24:07 +00:00
Owen Anderson
9db7e91fe8
Handle a corner case when extracing code regions where one of the immediate successor
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of an extracted block contains a PHI using a value defined in the extracted region.
With this patch, the partial inliner now passes MultiSource/Applications.
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@79963 91177308-0d34-0410-b5e6-96231b3b80d8
2009-08-25 00:54:39 +00:00
Owen Anderson
9ea9fcdf65
When extracting SEME regions of code, the extractor needs to update the dominator tree for split return blocks.
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git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@79957 91177308-0d34-0410-b5e6-96231b3b80d8
2009-08-24 23:32:14 +00:00
Daniel Dunbar
e317bcc74c
Fix -Asserts warnings.
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git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@79849 91177308-0d34-0410-b5e6-96231b3b80d8
2009-08-23 10:29:55 +00:00
Chris Lattner
45cfe545ec
Change Pass::print to take a raw ostream instead of std::ostream,
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update all code that this affects.
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@79830 91177308-0d34-0410-b5e6-96231b3b80d8
2009-08-23 06:03:38 +00:00
Chris Lattner
bdff548e4d
eliminate the "Value" printing methods that print to a std::ostream.
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This required converting a bunch of stuff off DOUT and other cleanups.
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@79819 91177308-0d34-0410-b5e6-96231b3b80d8
2009-08-23 04:37:46 +00:00
Nick Lewycky
08368ce984
Fix up PHI nodes correctly in the presence of unreachable BBs, part two. Also
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delete a newed pointer, and improve readability a little bit.
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@79411 91177308-0d34-0410-b5e6-96231b3b80d8
2009-08-19 07:16:57 +00:00
Nick Lewycky
3417e8f185
Be more careful when modifying PHI nodes. Patch by Andre Tavares.
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git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@79407 91177308-0d34-0410-b5e6-96231b3b80d8
2009-08-19 06:24:33 +00:00
Dan Gohman
d802f7e290
Update comments to new-style syntax.
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git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@79263 91177308-0d34-0410-b5e6-96231b3b80d8
2009-08-17 18:45:31 +00:00
Nick Lewycky
a10e89f372
Don't crash on critical edge. Patch by Andre Tavares.
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git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@79252 91177308-0d34-0410-b5e6-96231b3b80d8
2009-08-17 17:00:57 +00:00
Eli Friedman
12bb766ae9
Fix for PR3016: detect the tricky case, where there are
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unfoldable references to a PHI node in the block being folded, and disable
the transformation in that case. The correct transformation of such PHI
nodes depends on whether BB dominates Succ, and dominance is expensive
to compute here. (Alternatively, it's possible to check whether any
uses are live, but that's also essentially a dominance calculation.
Another alternative is to use reg2mem, but it probably isn't a good idea to
use that in simplifycfg.)
Also, remove some incorrect code from CanPropagatePredecessorsForPHIs
which is made unnecessary with this patch: it didn't consider the case
where a PHI node in BB has multiple uses.
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@79174 91177308-0d34-0410-b5e6-96231b3b80d8
2009-08-16 04:23:49 +00:00
Nick Lewycky
071d84e109
SSI construction should just go ahead and ignore instructions in unreachable
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blocks.
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@79132 91177308-0d34-0410-b5e6-96231b3b80d8
2009-08-15 20:12:18 +00:00
Owen Anderson
0e275dc538
Actually privatize a IntegerTypes, and fix a few bugs exposed by this.
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git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@78955 91177308-0d34-0410-b5e6-96231b3b80d8
2009-08-13 23:27:32 +00:00
Owen Anderson
1d0be15f89
Push LLVMContexts through the IntegerType APIs.
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git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@78948 91177308-0d34-0410-b5e6-96231b3b80d8
2009-08-13 21:58:54 +00:00
Dan Gohman
4ae5126d04
Remove a bunch more now-unnecessary Context arguments.
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git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@78809 91177308-0d34-0410-b5e6-96231b3b80d8
2009-08-12 16:23:25 +00:00
Dan Gohman
1b2d0b8397
Remove unnecessary casts.
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git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@78664 91177308-0d34-0410-b5e6-96231b3b80d8
2009-08-11 15:15:10 +00:00
Dan Gohman
7db949df78
Fix a bunch of namespace pollution.
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git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@78363 91177308-0d34-0410-b5e6-96231b3b80d8
2009-08-07 01:32:21 +00:00
Owen Anderson
d7f2a6cb3f
Privatize the StructType table, which unfortunately involves routing contexts through a number of APIs.
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git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@78258 91177308-0d34-0410-b5e6-96231b3b80d8
2009-08-05 23:16:16 +00:00
Owen Anderson
a7235ea724
Move a few more APIs back to 2.5 forms. The only remaining ones left to change back are
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metadata related, which I'm waiting on to avoid conflicting with Devang.
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@77721 91177308-0d34-0410-b5e6-96231b3b80d8
2009-07-31 20:28:14 +00:00
Owen Anderson
9e9a0d5fc2
Move more code back to 2.5 APIs.
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git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@77635 91177308-0d34-0410-b5e6-96231b3b80d8
2009-07-30 23:03:37 +00:00
Daniel Dunbar
fe09b2098a
Twines: Don't allow implicit conversion from integers, this is too tricky.
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git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@77605 91177308-0d34-0410-b5e6-96231b3b80d8
2009-07-30 17:37:43 +00:00
Daniel Dunbar
7f93dc8345
Switch obvious clients to Twine instead of utostr (when they were already using
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a Twine, e.g., for names).
- I am a little ambivalent about this; we don't want the string conversion of
utostr, but using overload '+' mixed with string and integer arguments is
sketchy. On the other hand, this particular usage is something of an idiom.
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@77579 91177308-0d34-0410-b5e6-96231b3b80d8
2009-07-30 04:20:37 +00:00
Owen Anderson
debcb01b0f
Move types back to the 2.5 API.
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git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@77516 91177308-0d34-0410-b5e6-96231b3b80d8
2009-07-29 22:17:13 +00:00
Benjamin Kramer
6c1e983a17
Remove now unused Context variables.
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git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@77495 91177308-0d34-0410-b5e6-96231b3b80d8
2009-07-29 19:14:17 +00:00
Owen Anderson
baf3c40440
Move ConstantExpr to 2.5 API.
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git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@77494 91177308-0d34-0410-b5e6-96231b3b80d8
2009-07-29 18:55:55 +00:00
Devang Patel
0a9f7b9c3e
Rename MDNode.h header. It defines MDnode and other metadata classes.
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New name is Metadata.h.
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@77370 91177308-0d34-0410-b5e6-96231b3b80d8
2009-07-28 21:49:47 +00:00
Owen Anderson
af7ec97587
Return ConstantVector to 2.5 API.
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git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@77366 91177308-0d34-0410-b5e6-96231b3b80d8
2009-07-28 21:19:26 +00:00
Owen Anderson
1fd7096407
Change ConstantArray to 2.5 API.
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git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@77347 91177308-0d34-0410-b5e6-96231b3b80d8
2009-07-28 18:32:17 +00:00
Mike Stump
eb045ecba0
Fix a small little typo.
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git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@77289 91177308-0d34-0410-b5e6-96231b3b80d8
2009-07-28 01:35:34 +00:00
Mike Stump
66ad89ceba
Fix a release-asserts warning. Debug functions should be marked used,
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if there are no other uses. If people don't need this routine
anymore, if should be deleted.
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@77274 91177308-0d34-0410-b5e6-96231b3b80d8
2009-07-27 23:33:34 +00:00
Mike Stump
02efa786d4
Avoid build warnings.
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git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@77271 91177308-0d34-0410-b5e6-96231b3b80d8
2009-07-27 23:14:11 +00:00
Owen Anderson
8fa3338ed2
Move ConstantStruct back to 2.5 API.
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git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@77266 91177308-0d34-0410-b5e6-96231b3b80d8
2009-07-27 22:29:26 +00:00
Devang Patel
41d89c2572
Do not seed mstadata into the value map.
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git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@77208 91177308-0d34-0410-b5e6-96231b3b80d8
2009-07-27 17:17:04 +00:00
Daniel Dunbar
460f656475
Remove Value::getName{Start,End}, the last of the old Name APIs.
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git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@77152 91177308-0d34-0410-b5e6-96231b3b80d8
2009-07-26 09:48:23 +00:00
Daniel Dunbar
03d7651c36
Remove Value::{isName, getNameRef}.
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Also, change MDString to use a StringRef.
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@77098 91177308-0d34-0410-b5e6-96231b3b80d8
2009-07-25 23:55:21 +00:00
Dan Gohman
6c1980b335
Convert a few more uses of llvm/Support/Streams.h to raw_ostream.
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git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@77033 91177308-0d34-0410-b5e6-96231b3b80d8
2009-07-25 01:13:51 +00:00
Dan Gohman
fc2a3ed0c9
Make AliasAnalysis and related classes use
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getAnalysisIfAvailable<TargetData>().
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@77028 91177308-0d34-0410-b5e6-96231b3b80d8
2009-07-25 00:48:42 +00:00
Daniel Dunbar
ce63ffb52f
More migration to raw_ostream, the water has dried up around the iostream hole.
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- Some clients which used DOUT have moved to DEBUG. We are deprecating the
"magic" DOUT behavior which avoided calling printing functions when the
statement was disabled. In addition to being unnecessary magic, it had the
downside of leaving code in -Asserts builds, and of hiding potentially
unnecessary computations.
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@77019 91177308-0d34-0410-b5e6-96231b3b80d8
2009-07-25 00:23:56 +00:00
Owen Anderson
eed707b1e6
Revert the ConstantInt constructors back to their 2.5 forms where possible, thanks to contexts-on-types. More to come.
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git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@77011 91177308-0d34-0410-b5e6-96231b3b80d8
2009-07-24 23:12:02 +00:00
Dan Gohman
67efc56b80
AliasAnalysis wants sizes in address-units, not bits.
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git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@77009 91177308-0d34-0410-b5e6-96231b3b80d8
2009-07-24 23:01:30 +00:00
Daniel Dunbar
1cd1d98232
Move more to raw_ostream, provide support for writing MachineBasicBlock,
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LiveInterval, etc to raw_ostream.
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@76965 91177308-0d34-0410-b5e6-96231b3b80d8
2009-07-24 10:36:58 +00:00
Daniel Dunbar
f6ccee5a9d
Switch to getNameStr().
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git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@76962 91177308-0d34-0410-b5e6-96231b3b80d8
2009-07-24 08:24:36 +00:00
Eli Friedman
6dae757a07
Don't give a massive inlining cost bonus to available_externally
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functions with a single use; eliminating the single use may eliminate
the function from the current module, but usually doesn't eliminate
it from the final program.
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@76730 91177308-0d34-0410-b5e6-96231b3b80d8
2009-07-22 08:12:59 +00:00
Owen Anderson
e922c02019
Get rid of the Pass+Context magic.
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git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@76702 91177308-0d34-0410-b5e6-96231b3b80d8
2009-07-22 00:24:57 +00:00
Ted Kremenek
c55db82cd0
Update CMake files.
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git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@76595 91177308-0d34-0410-b5e6-96231b3b80d8
2009-07-21 17:43:20 +00:00
Chris Lattner
93f2491cf8
add a fixme
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git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@76324 91177308-0d34-0410-b5e6-96231b3b80d8
2009-07-18 18:49:04 +00:00
Eli Friedman
4612e59779
Fix the inline cost calculation to take into account instructions
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which cannot be folded even if they have constant operands. Significantly
helps if_spppsubr.c attached to PR4573.
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@76285 91177308-0d34-0410-b5e6-96231b3b80d8
2009-07-18 05:26:06 +00:00
Daniel Dunbar
ff8ac551a7
Initialize another Context, in the hopes of unbreaking CBE.
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git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@76184 91177308-0d34-0410-b5e6-96231b3b80d8
2009-07-17 16:20:23 +00:00
Eli Friedman
0b79a7727d
Replace isTrapping with a new, similar method called
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isSafeToSpeculativelyExecute. The new method is a bit closer to what
the callers actually care about in that it rejects more things callers
don't want. It also adds more precise handling for integer
division, and unifies code for analyzing the legality of a speculative
load.
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@76150 91177308-0d34-0410-b5e6-96231b3b80d8
2009-07-17 04:28:42 +00:00
Owen Anderson
001dbfebcb
Move the ConstantInt uniquing table into LLVMContextImpl. This exposed a number of issues in
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our current context-passing stuff, which is also fixed here
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@76089 91177308-0d34-0410-b5e6-96231b3b80d8
2009-07-16 18:04:31 +00:00
Owen Anderson
50dead06ff
Revert yesterday's change by removing the LLVMContext parameter to AllocaInst and MallocInst.
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git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@75863 91177308-0d34-0410-b5e6-96231b3b80d8
2009-07-15 23:53:25 +00:00
Dan Gohman
bdc017edac
Make makeLoopInvariant report whether it made any changes or not,
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and use this to simplify more code.
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@75722 91177308-0d34-0410-b5e6-96231b3b80d8
2009-07-15 01:25:43 +00:00
Owen Anderson
9adc0abad3
Move EVER MORE stuff over to LLVMContext.
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git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@75703 91177308-0d34-0410-b5e6-96231b3b80d8
2009-07-14 23:09:55 +00:00
Torok Edwin
c23197a26f
llvm_unreachable->llvm_unreachable(0), LLVM_UNREACHABLE->llvm_unreachable.
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This adds location info for all llvm_unreachable calls (which is a macro now) in
!NDEBUG builds.
In NDEBUG builds location info and the message is off (it only prints
"UREACHABLE executed").
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@75640 91177308-0d34-0410-b5e6-96231b3b80d8
2009-07-14 16:55:14 +00:00
Dan Gohman
0df6e09d43
Update LoopSimplify and LoopUnswitch to use the new makeLoopInvariant
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function.
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@75584 91177308-0d34-0410-b5e6-96231b3b80d8
2009-07-14 01:37:59 +00:00
Owen Anderson
73c6b7127a
Move more functionality over to LLVMContext.
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git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@75497 91177308-0d34-0410-b5e6-96231b3b80d8
2009-07-13 20:58:05 +00:00
Owen Anderson
0a5372ed3e
Begin the painful process of tearing apart the rat'ss nest that is Constants.cpp and ConstantFold.cpp.
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This involves temporarily hard wiring some parts to use the global context. This isn't ideal, but it's
the only way I could figure out to make this process vaguely incremental.
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@75445 91177308-0d34-0410-b5e6-96231b3b80d8
2009-07-13 04:09:18 +00:00
Chris Lattner
5e5050d930
silence a vc++ warning.
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git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@75393 91177308-0d34-0410-b5e6-96231b3b80d8
2009-07-11 22:31:59 +00:00
Torok Edwin
c25e7581b9
assert(0) -> LLVM_UNREACHABLE.
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Make llvm_unreachable take an optional string, thus moving the cerr<< out of
line.
LLVM_UNREACHABLE is now a simple wrapper that makes the message go away for
NDEBUG builds.
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@75379 91177308-0d34-0410-b5e6-96231b3b80d8
2009-07-11 20:10:48 +00:00
Torok Edwin
7d696d8040
Convert more assert(0)+abort() -> LLVM_UNREACHABLE,
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and abort()/exit() -> llvm_report_error().
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@75363 91177308-0d34-0410-b5e6-96231b3b80d8
2009-07-11 13:10:19 +00:00
Owen Anderson
c7d2ce7047
Push LLVMContext through the PatternMatch API.
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git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@75255 91177308-0d34-0410-b5e6-96231b3b80d8
2009-07-10 17:35:01 +00:00
Owen Anderson
333c400965
This started as a small change, I swear. Unfortunately, lots of things call the [I|F]CmpInst constructors. Who knew!?
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git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@75200 91177308-0d34-0410-b5e6-96231b3b80d8
2009-07-09 23:48:35 +00:00
Nick Lewycky
89f43a5c70
There's no need to consider PHI nodes in the same block as the instruction
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we're inserting sigma/phi functions for. Patch by Andre Tavares.
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@75138 91177308-0d34-0410-b5e6-96231b3b80d8
2009-07-09 15:59:27 +00:00
Nick Lewycky
6ca7f41f5b
Add some statistics to SSI so we can see what it's up to.
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Add an -ssi-everything pass which calls createSSI on everything in the function.
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@75135 91177308-0d34-0410-b5e6-96231b3b80d8
2009-07-09 15:33:14 +00:00
Owen Anderson
e9b11b4313
Switch GlobalVariable ctors to a sane API, where *either* a context or a module is required.
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git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@75025 91177308-0d34-0410-b5e6-96231b3b80d8
2009-07-08 19:03:57 +00:00
Owen Anderson
3d29df3e8a
Push LLVMContext through GlobalVariables and IRBuilder.
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git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@74985 91177308-0d34-0410-b5e6-96231b3b80d8
2009-07-08 01:26:06 +00:00
Owen Anderson
07cf79ef53
"LLVMContext* " --> "LLVMContext *"
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git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@74878 91177308-0d34-0410-b5e6-96231b3b80d8
2009-07-06 23:00:19 +00:00
Owen Anderson
508955156a
Thread LLVMContext through the constant folding APIs, which touches a lot of files.
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git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@74844 91177308-0d34-0410-b5e6-96231b3b80d8
2009-07-06 18:42:36 +00:00
Owen Anderson
0a205a4598
More LLVMContext-ification.
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git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@74807 91177308-0d34-0410-b5e6-96231b3b80d8
2009-07-05 22:41:43 +00:00
Mike Stump
9d1a81daaa
Fix build.
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git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@74782 91177308-0d34-0410-b5e6-96231b3b80d8
2009-07-03 22:11:58 +00:00
Nick Lewycky
715029478c
Add Static Single Information construction pass written by André Tavares!
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Use it by requiring it through the pass manager, then calling its createSSI
method on the variables that you want in SSI form.
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@74780 91177308-0d34-0410-b5e6-96231b3b80d8
2009-07-03 19:28:36 +00:00