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* change GetStoreValueForLoad to use IRBuilder, which is cleaner andChris Lattner2009-12-091-7/+7
| | | | | | | implicitly constant folds. git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@90977 91177308-0d34-0410-b5e6-96231b3b80d8
* Fix a comment.Bob Wilson2009-12-091-1/+1
| | | | git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@90975 91177308-0d34-0410-b5e6-96231b3b80d8
* Add a minor optimization: if we haven't changed the operands of anChris Lattner2009-12-092-66/+4
| | | | | | | | | | | | add, there is no need to scan the world to find the same add again. This invalidates the previous testcase, which wasn't wonderful anyway, because it needed a run of instcombine to permute the use-lists in just the right way to before GVN was run (so it was really fragile). Not a big loss. git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@90973 91177308-0d34-0410-b5e6-96231b3b80d8
* Add note about loadable modules on windows.Anton Korobeynikov2009-12-091-1/+5
| | | | | | Patch by Gregory Petrosyan! git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@90972 91177308-0d34-0410-b5e6-96231b3b80d8
* fix PR5733, a case where we'd replace an add with a lexically identical Chris Lattner2009-12-092-1/+68
| | | | | | | binary operator that wasn't an add. In this case, a xor. Whoops. git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@90971 91177308-0d34-0410-b5e6-96231b3b80d8
* <rdar://problem/7453528>. Track only physical registers that are valid for ↵David Goodwin2009-12-094-17/+28
| | | | | | the target. git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@90970 91177308-0d34-0410-b5e6-96231b3b80d8
* merge crash-2.ll into crash.llChris Lattner2009-12-092-43/+43
| | | | git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@90969 91177308-0d34-0410-b5e6-96231b3b80d8
* Silence conversion warning from 64 to 32-bit.Eric Christopher2009-12-091-1/+1
| | | | git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@90962 91177308-0d34-0410-b5e6-96231b3b80d8
* change AnalyzeLoadFromClobberingMemInst/AnalyzeLoadFromClobberingStoreChris Lattner2009-12-091-13/+22
| | | | | | | to require the load ty/ptr to be passed in, no functionality change. git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@90960 91177308-0d34-0410-b5e6-96231b3b80d8
* change AnalyzeLoadFromClobberingWrite and clients to pass in type Chris Lattner2009-12-091-10/+12
| | | | | | | and pointer instead of the load. No functionality change. git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@90959 91177308-0d34-0410-b5e6-96231b3b80d8
* enhance NonLocalDepEntry to keep the per-block phi translated addressChris Lattner2009-12-092-20/+41
| | | | | | | of the query. git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@90958 91177308-0d34-0410-b5e6-96231b3b80d8
* DeltaAlgorithm: Add a virtual destructor and home.Daniel Dunbar2009-12-092-0/+5
| | | | git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@90957 91177308-0d34-0410-b5e6-96231b3b80d8
* change NonLocalDepEntry from being a typedef for an std::pair to be itsChris Lattner2009-12-093-64/+84
| | | | | | | own small class. No functionality change. git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@90956 91177308-0d34-0410-b5e6-96231b3b80d8
* Added a new "splitting" spiller.Lang Hames2009-12-096-22/+343
| | | | | | | | | | | | | | | | When a call is placed to spill an interval this spiller will first try to break the interval up into its component values. Single value intervals and intervals which have already been split (or are the result of previous splits) are spilled by the default spiller. Splitting intervals as described above may improve the performance of generated code in some circumstances. This work is experimental however, and it still miscompiles many benchmarks. It's not recommended for general use yet. git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@90951 91177308-0d34-0410-b5e6-96231b3b80d8
* Remove spurious extern.Daniel Dunbar2009-12-091-1/+1
| | | | git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@90937 91177308-0d34-0410-b5e6-96231b3b80d8
* Remove unneeded ';' and a class/struct mismatch (noticed by clang).Daniel Dunbar2009-12-094-4/+4
| | | | git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@90934 91177308-0d34-0410-b5e6-96231b3b80d8
* the code in GVN that tries to forward large loads to small Chris Lattner2009-12-091-0/+54
| | | | | | | | | stores is not phi translating, thus it miscompiles really crazy testcases. This is from inspection, I haven't seen this in the wild. git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@90930 91177308-0d34-0410-b5e6-96231b3b80d8
* add some aborts to #if 0's.Chris Lattner2009-12-091-0/+2
| | | | git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@90929 91177308-0d34-0410-b5e6-96231b3b80d8
* Switch GVN and memdep to use PHITransAddr, which correctly handlesChris Lattner2009-12-094-345/+108
| | | | | | | | | | | | | | | | | | | | | | | | | phi translation of complex expressions like &A[i+1]. This has the following benefits: 1. The phi translation logic is all contained in its own class with a strong interface and verification that it is self consistent. 2. The logic is more correct than before. Previously, if intermediate expressions got PHI translated, we'd miss the update and scan for the wrong pointers in predecessor blocks. @phi_trans2 is a testcase for this. 3. We have a lot less code in memdep. We can handle phi translation across blocks of things like @phi_trans3, which is pretty insane :). This patch should fix the miscompiles of 255.vortex, and I tested it with a bootstrap of llvm-gcc, llvm-test and dejagnu of course. git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@90926 91177308-0d34-0410-b5e6-96231b3b80d8
* Teach InferPtrAlignment to infer GV+cst alignment and use it to simplify x86 ↵Evan Cheng2009-12-093-14/+10
| | | | | | isl lowering code. git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@90925 91177308-0d34-0410-b5e6-96231b3b80d8
* Remove tests that are not suitable anymore. Plus they are not testing the ↵Devang Patel2009-12-098-1035/+0
| | | | | | original bugfixes anymore. These tests were inserted to check bug fixes in code that handled debug info intrinsics. These intrinsics are no longer used and now llvm parser simply ignores old .dbg intrinsics from these dead tests. git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@90923 91177308-0d34-0410-b5e6-96231b3b80d8
* Move isConsecutiveLoad to SelectionDAG. It's not target dependent and it's ↵Evan Cheng2009-12-096-51/+51
| | | | | | primary used by selectdag passes. git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@90922 91177308-0d34-0410-b5e6-96231b3b80d8
* fix a nasty variable that was shadowing the real CurBB but with the wrong value.Chris Lattner2009-12-091-1/+0
| | | | git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@90920 91177308-0d34-0410-b5e6-96231b3b80d8
* Infer alignment for non-fixed stack object.Evan Cheng2009-12-091-3/+4
| | | | git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@90919 91177308-0d34-0410-b5e6-96231b3b80d8
* Add const qualifier.Evan Cheng2009-12-092-2/+2
| | | | git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@90918 91177308-0d34-0410-b5e6-96231b3b80d8
* Refactor InferAlignment out of DAGCombine.Evan Cheng2009-12-093-45/+50
| | | | git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@90917 91177308-0d34-0410-b5e6-96231b3b80d8
* fix many input tracking bugs.Chris Lattner2009-12-092-37/+37
| | | | git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@90915 91177308-0d34-0410-b5e6-96231b3b80d8
* when opt crashes, print its command line arguments as a pretty stack trace.Chris Lattner2009-12-091-2/+5
| | | | | | | Somehow opt was missed when this was added. git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@90912 91177308-0d34-0410-b5e6-96231b3b80d8
* Fix a typo in a comment, and adjust SmallSet and SmallVector sizes,Dan Gohman2009-12-091-7/+7
| | | | | | | that Chris noticed. git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@90910 91177308-0d34-0410-b5e6-96231b3b80d8
* fix PHI translation to take the PHI out of the instinputs set and addChris Lattner2009-12-091-9/+7
| | | | | | | the translated value back to it if an instruction. git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@90909 91177308-0d34-0410-b5e6-96231b3b80d8
* instructions defined in CurBB may be intermediate nodes of the computation.Chris Lattner2009-12-092-17/+17
| | | | git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@90908 91177308-0d34-0410-b5e6-96231b3b80d8
* add dumping and sanity checking support.Chris Lattner2009-12-092-0/+77
| | | | git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@90906 91177308-0d34-0410-b5e6-96231b3b80d8
* Put a threshold on the number of users PointerMayBeCapturedDan Gohman2009-12-081-0/+16
| | | | | | | | | | | | | examines; fall back to a conservative answer if there are more. This works around some several compile time problems resulting from BasicAliasAnalysis calling PointerMayBeCaptured. The value has been chosen arbitrarily. This fixes rdar://7438917 and may partially address PR5708. git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@90905 91177308-0d34-0410-b5e6-96231b3b80d8
* make sure that PHITransAddr keeps its 'InstInputs' list up toChris Lattner2009-12-082-3/+47
| | | | | | | date when instsimplify kicks in. git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@90901 91177308-0d34-0410-b5e6-96231b3b80d8
* Revert 90858 90875 and 90805 for now.Devang Patel2009-12-085-222/+174
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* - Support inline asm 'w' constraint for 128-bit vector types.Evan Cheng2009-12-083-0/+19
| | | | | | | - Also support the 'q' NEON registers asm code. git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@90894 91177308-0d34-0410-b5e6-96231b3b80d8
* lit: Prevent crash-on-invalid (when run on directory which has no test suite).Daniel Dunbar2009-12-081-1/+1
| | | | git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@90871 91177308-0d34-0410-b5e6-96231b3b80d8
* Set svn:ignore on tools/clang.Daniel Dunbar2009-12-080-0/+0
| | | | git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@90870 91177308-0d34-0410-b5e6-96231b3b80d8
* CMake/lit: Add llvm_{unit_,}site_config parameters, and always pass them ↵Daniel Dunbar2009-12-083-0/+14
| | | | | | when running tests from the project files. git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@90869 91177308-0d34-0410-b5e6-96231b3b80d8
* Revert 90789 for now. It caused massive compile time regression. Post-ra ↵Evan Cheng2009-12-081-1/+1
| | | | | | scheduler slowed down dramatically with this. git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@90868 91177308-0d34-0410-b5e6-96231b3b80d8
* Some superficial cleanups.Bob Wilson2009-12-081-4/+3
| | | | git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@90866 91177308-0d34-0410-b5e6-96231b3b80d8
* Clean up dead operands left around after SROA replaces a mem intrinsic.Bob Wilson2009-12-081-0/+6
| | | | | | | | I'm not aware that this does anything significant on its own, but it's needed for another patch that I'm working on. git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@90864 91177308-0d34-0410-b5e6-96231b3b80d8
* Cleanup.Devang Patel2009-12-082-167/+82
| | | | | | | | There is no need to supply ModuleCU to addType() as a parameter. git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@90858 91177308-0d34-0410-b5e6-96231b3b80d8
* Do not try to push dead variable's debug info into namespace info.Devang Patel2009-12-082-3/+23
| | | | git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@90857 91177308-0d34-0410-b5e6-96231b3b80d8
* Remove useless calls to c_str().Benjamin Kramer2009-12-081-4/+3
| | | | git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@90855 91177308-0d34-0410-b5e6-96231b3b80d8
* Teach GlobalOpt to delete aliases with internal linkage (afterDuncan Sands2009-12-082-22/+33
| | | | | | | | forwarding any uses). GlobalDCE can also do this, but is only run at -O3. git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@90850 91177308-0d34-0410-b5e6-96231b3b80d8
* fix a typo (and -> add) and fix GetAvailablePHITranslatedSubExpr to not Chris Lattner2009-12-082-4/+7
| | | | | | | side-effect the current object. git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@90837 91177308-0d34-0410-b5e6-96231b3b80d8
* Remove unnecessary #include "llvm/LLVMContext.h".Nick Lewycky2009-12-083-3/+0
| | | | git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@90836 91177308-0d34-0410-b5e6-96231b3b80d8
* whitespace cleanupChris Lattner2009-12-081-1/+1
| | | | git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@90834 91177308-0d34-0410-b5e6-96231b3b80d8
* Removed VC++ compatibility code from DataTypes.h.in.Oscar Fuentes2009-12-081-36/+0
| | | | | | | This header file is not used on VC++ builds. git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@90829 91177308-0d34-0410-b5e6-96231b3b80d8
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