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1286 Commits

Author SHA1 Message Date
Ted Kremenek
db9d3206c0 Update CMake file. 
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. 
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 
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 
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 
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 
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. 
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 
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, 
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 
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. 
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 
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 
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 
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 
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 
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 
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 
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. 
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. 
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. 
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 
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. 
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. 
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. 
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 
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 
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 
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. 
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). 
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. 
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 
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. 
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 
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. 
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 
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. 
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. 
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 
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 
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 
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... 
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 
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 
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. 
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. :( 
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 
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. 
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. 
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, 
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