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path: root/lib/Transforms/IPO/MergeFunctions.cpp
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2012-10-24Add in support for getIntPtrType to get the pointer type based on the ↵Micah Villmow
address space. This checkin also adds in some tests that utilize these paths and updates some of the clients. git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@166578 91177308-0d34-0410-b5e6-96231b3b80d8
2012-10-08Move TargetData to DataLayout.Micah Villmow
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@165402 91177308-0d34-0410-b5e6-96231b3b80d8
2012-07-19Remove tabs.Bill Wendling
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@160477 91177308-0d34-0410-b5e6-96231b3b80d8
2012-06-29Move llvm/Support/IRBuilder.h -> llvm/IRBuilder.hChandler Carruth
This was always part of the VMCore library out of necessity -- it deals entirely in the IR. The .cpp file in fact was already part of the VMCore library. This is just a mechanical move. I've tried to go through and re-apply the coding standard's preferred header sort, but at 40-ish files, I may have gotten some wrong. Please let me know if so. I'll be committing the corresponding updates to Clang and Polly, and Duncan has DragonEgg. Thanks to Bill and Eric for giving the green light for this bit of cleanup. git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@159421 91177308-0d34-0410-b5e6-96231b3b80d8
2011-08-15Update inter-procedural optimizations for atomic load/store.Eli Friedman
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@137667 91177308-0d34-0410-b5e6-96231b3b80d8
2011-07-29Misc optimizer+codegen work for 'cmpxchg' and 'atomicrmw'. They appear to beEli Friedman
working on x86 (at least for trivial testcases); other architectures will need more work so that they actually emit the appropriate instructions for orderings stricter than 'monotonic'. (As far as I can tell, the ARM, PPC, Mips, and Alpha backends need such changes.) git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@136457 91177308-0d34-0410-b5e6-96231b3b80d8
2011-07-19Convert TargetData::getIndexedOffset to use ArrayRef.Jay Foad
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@135478 91177308-0d34-0410-b5e6-96231b3b80d8
2011-07-18land David Blaikie's patch to de-constify Type, with a few tweaks.Chris Lattner
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@135375 91177308-0d34-0410-b5e6-96231b3b80d8
2011-07-15Convert CallInst and InvokeInst APIs to use ArrayRef.Jay Foad
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@135265 91177308-0d34-0410-b5e6-96231b3b80d8
2011-07-09Land the long talked about "type system rewrite" patch. ThisChris Lattner
patch brings numerous advantages to LLVM. One way to look at it is through diffstat: 109 files changed, 3005 insertions(+), 5906 deletions(-) Removing almost 3K lines of code is a good thing. Other advantages include: 1. Value::getType() is a simple load that can be CSE'd, not a mutating union-find operation. 2. Types a uniqued and never move once created, defining away PATypeHolder. 3. Structs can be "named" now, and their name is part of the identity that uniques them. This means that the compiler doesn't merge them structurally which makes the IR much less confusing. 4. Now that there is no way to get a cycle in a type graph without a named struct type, "upreferences" go away. 5. Type refinement is completely gone, which should make LTO much MUCH faster in some common cases with C++ code. 6. Types are now generally immutable, so we can use "Type *" instead "const Type *" everywhere. Downsides of this patch are that it removes some functions from the C API, so people using those will have to upgrade to (not yet added) new API. "LLVM 3.0" is the right time to do this. There are still some cleanups pending after this, this patch is large enough as-is. git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@134829 91177308-0d34-0410-b5e6-96231b3b80d8
2011-04-11Don't include Operator.h from InstrTypes.h.Jay Foad
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@129271 91177308-0d34-0410-b5e6-96231b3b80d8
2011-03-25No functionality change, just adjust some whitespace for coding style ↵Nick Lewycky
compliance. git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@128257 91177308-0d34-0410-b5e6-96231b3b80d8
2011-02-20Instead of keeping two Value*->id# mappings, keep one Value->Value mapping andNick Lewycky
one Value set. This is faster because we only need to use the set when there isn't already an entry in the map. No functionality change! git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@126076 91177308-0d34-0410-b5e6-96231b3b80d8
2011-02-09When removing a function from the function set and adding it to deferred, weNick Lewycky
could end up removing a different function than we intended because it was functionally equivalent, then end up with a comparison of a function against itself in the next round of comparisons (the one in the function set and the one on the deferred list). To fix this, I introduce a choice in the form of comparison for ComparableFunctions, either normal or "pointer only" used to find exact Function*'s in lookups. Also add some debugging statements. git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@125180 91177308-0d34-0410-b5e6-96231b3b80d8
2011-02-06Simplify away redundant test, and document what's going on.Nick Lewycky
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@124977 91177308-0d34-0410-b5e6-96231b3b80d8
2011-02-06Remove specialized comparison of InlineAsm objects. They're uniqued on creationNick Lewycky
now, and this wasn't comparing some of their relevant bits anyhow. git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@124976 91177308-0d34-0410-b5e6-96231b3b80d8
2011-02-02Remove wasteful caching. This isn't needed for correctness because any functionNick Lewycky
that might have changed been affected by a merge elsewhere will have been removed from the function set, and it isn't needed for performance because we call grow() ahead of time to prevent reallocations. git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@124717 91177308-0d34-0410-b5e6-96231b3b80d8
2011-01-28Rename functions to follow coding standard. Also rejiggers comments. NoNick Lewycky
functionality change. git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@124482 91177308-0d34-0410-b5e6-96231b3b80d8
2011-01-28Add a doxygen comment for this class.Nick Lewycky
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@124480 91177308-0d34-0410-b5e6-96231b3b80d8
2011-01-28Reorder for readability. (Chris, is this what you meant?)Nick Lewycky
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@124479 91177308-0d34-0410-b5e6-96231b3b80d8
2011-01-28Reduce the number of functions we look at in the first pass, and preallocateNick Lewycky
the function equality set. git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@124475 91177308-0d34-0410-b5e6-96231b3b80d8
2011-01-27Unbreak the build.Benjamin Kramer
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@124426 91177308-0d34-0410-b5e6-96231b3b80d8
2011-01-27Expound upon this comparison!Nick Lewycky
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@124406 91177308-0d34-0410-b5e6-96231b3b80d8
2011-01-27Use dyn_cast instead of isa+cast.Nick Lewycky
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@124404 91177308-0d34-0410-b5e6-96231b3b80d8
2011-01-27Fix surprising missed optimization in mergefunc where we forgot to considerNick Lewycky
that relationships like "i8* null" is equivalent to "i32* null". git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@124368 91177308-0d34-0410-b5e6-96231b3b80d8
2011-01-26AttrListPtr has an overloaded operator== which does this for us, we should useNick Lewycky
it. No functionality change! git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@124286 91177308-0d34-0410-b5e6-96231b3b80d8
2011-01-26Teach mergefunc that intptr_t is the same width as a pointer. We still can'tNick Lewycky
merge vector<intptr_t>::push_back() and vector<void*>::push_back() because Enumerate() doesn't realize that "i64* null" and "i8** null" are equivalent. git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@124285 91177308-0d34-0410-b5e6-96231b3b80d8
2011-01-26There are no vectors of pointer or arrays, so we don't need to check vectorNick Lewycky
elements for type equivalence. git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@124284 91177308-0d34-0410-b5e6-96231b3b80d8
2011-01-25Teach mergefunc how to emit aliases safely again -- but keep it turned it offNick Lewycky
for now. It's controlled by the HasGlobalAliases variable which is not attached to any flag yet. git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@124182 91177308-0d34-0410-b5e6-96231b3b80d8
2011-01-15Add a cache that protects mergefunc's internals from more surprises in DenseSet.Nick Lewycky
Also, replace tabs with spaces. Yes, it's 2011. git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@123535 91177308-0d34-0410-b5e6-96231b3b80d8
2011-01-02Also remove functions that use complex constant expressions in terms ofNick Lewycky
another function. git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@122705 91177308-0d34-0410-b5e6-96231b3b80d8
2011-01-02Remove functions from the FnSet when one of their callee's is being merged. ThisNick Lewycky
maintains the guarantee that the DenseSet expects two elements it contains to not go from inequal to equal under its nose. As a side-effect, this also lets us switch from iterating to a fixed-point to actually maintaining a work queue of functions to look at again, and we don't add thunks to our work queue so we don't need to detect and ignore them. git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@122677 91177308-0d34-0410-b5e6-96231b3b80d8
2010-10-21RetOp is not actually used for anything useful (thoughDuncan Sands
it looks like maybe it was supposed to be used in the test...), so zap it (gcc-4.6 warning). git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@117023 91177308-0d34-0410-b5e6-96231b3b80d8
2010-10-19Get rid of static constructors for pass registration. Instead, every pass ↵Owen Anderson
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. git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@116820 91177308-0d34-0410-b5e6-96231b3b80d8
2010-10-07Now with fewer extraneous semicolons!Owen Anderson
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@115996 91177308-0d34-0410-b5e6-96231b3b80d8
2010-09-07Fix major bug in thunk detection. Also verify the calling convention.Nick Lewycky
Switch from isWeakForLinker to mayBeOverridden which is more accurate. Add more statistics and debugging info. Add comments. Move static function outside anonymous namespace. git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@113190 91177308-0d34-0410-b5e6-96231b3b80d8
2010-09-05Switch FnSet to containing the ComparableFunction instead of a pointer to one.Nick Lewycky
This reduces malloc traffic (yay!) and removes MergeFunctionsEqualityInfo. git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@113105 91177308-0d34-0410-b5e6-96231b3b80d8
2010-09-05Fix many bugs when merging weak-strong and weak-weak pairs. We now merge allNick Lewycky
strong functions first to make sure they're the canonical definitions and then do a second pass looking only for weak functions. git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@113104 91177308-0d34-0410-b5e6-96231b3b80d8
2010-08-31Fix an infinite loop; merging two functions will create a new function (if theNick Lewycky
two are weak, we make them thunks to a new strong function) so don't iterate through the function list as we're modifying it. Also add back the outermost loop which got removed during the cleanups. git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@112595 91177308-0d34-0410-b5e6-96231b3b80d8
2010-08-31Switch to DenseSet, simplifying much more code. We now have a single iterationNick Lewycky
where we hash, compare and fold, instead of one iteration where we build up the hash buckets and a second one to fold. git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@112582 91177308-0d34-0410-b5e6-96231b3b80d8
2010-08-28remove unions from LLVM IR. They are severely buggy and notChris Lattner
being actively maintained, improved, or extended. git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@112356 91177308-0d34-0410-b5e6-96231b3b80d8
2010-08-09Fix a use after free error caught by the valgrind builders.Nick Lewycky
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@110601 91177308-0d34-0410-b5e6-96231b3b80d8
2010-08-08Do more to modernize MergeFunctions. Refactor in response to Chris' code review.Nick Lewycky
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@110538 91177308-0d34-0410-b5e6-96231b3b80d8
2010-08-06Reapply r110396, with fixes to appease the Linux buildbot gods.Owen Anderson
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@110460 91177308-0d34-0410-b5e6-96231b3b80d8
2010-08-06Work in progress, cleaning up MergeFuncs.Nick Lewycky
Further clean up the comparison function by removing overly generalized "domains". Remove all understanding of ELF aliases and simplify folding code and comments. git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@110434 91177308-0d34-0410-b5e6-96231b3b80d8
2010-08-06Revert r110396 to fix buildbots.Owen Anderson
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@110410 91177308-0d34-0410-b5e6-96231b3b80d8
2010-08-05Don't use PassInfo* as a type identifier for passes. Instead, use the ↵Owen Anderson
address of the static ID member as the sole unique type identifier. Clean up APIs related to this change. git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@110396 91177308-0d34-0410-b5e6-96231b3b80d8
2010-08-02Fix a -Wreorder warning.Daniel Dunbar
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@110022 91177308-0d34-0410-b5e6-96231b3b80d8
2010-08-02Work in progress.Nick Lewycky
Start cleaning up MergeFunctions to look more like the rest of LLVM. The primary change here is to move the methods responsible for comparison into the new FunctionComparator object. Some comments added. There's more to do. git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@110021 91177308-0d34-0410-b5e6-96231b3b80d8
2010-07-21Fix batch of converting RegisterPass<> to INTIALIZE_PASS().Owen Anderson
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@109045 91177308-0d34-0410-b5e6-96231b3b80d8
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