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* Clean whitespaces.Nadav Rotem2012-07-241-32/+34
| | | | llvm-svn: 160668
* Enhance the sinking code to handle diamond patterns. Patch byDuncan Sands2012-05-311-75/+69
| | | | | | Carlo Alberto Ferraris. llvm-svn: 157736
* Move Instruction::isSafeToSpeculativelyExecute out of VMCore andDan Gohman2011-12-141-1/+2
| | | | | | | | | into Analysis as a standalone function, since there's no need for it to be in VMCore. Also, update it to use isKnownNonZero and other goodies available in Analysis, making it more precise, enabling more aggressive optimization. llvm-svn: 146610
* Fix an issue with the IR sink pass found by inspection. (I'm not sure ↵Eli Friedman2011-09-011-7/+6
| | | | | | anyone is actually using this, but might as well fix it since I found the issue.) llvm-svn: 138965
* Add helper functions for computing the Location of load, store,Dan Gohman2010-11-111-5/+1
| | | | | | and vaarg instructions. llvm-svn: 118845
* Make Sink tbaa-aware.Dan Gohman2010-11-111-1/+4
| | | | llvm-svn: 118788
* It's safe to sink some instructions which are not safe to speculativelyDan Gohman2010-11-111-1/+4
| | | | | | execute. Make Sink's predicate more precise. llvm-svn: 118787
* Reapply r116831 and r116839, converting AliasAnalysis to useDan Gohman2010-10-191-1/+1
| | | | | | uint64_t, plus fixes for places I missed before. llvm-svn: 116875
* Get rid of static constructors for pass registration. Instead, every pass ↵Owen Anderson2010-10-191-1/+3
| | | | | | | | | | | | | | | | | 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. llvm-svn: 116820
* Begin adding static dependence information to passes, which will allow us toOwen Anderson2010-10-121-1/+5
| | | | | | | | | perform initialization without static constructors AND without explicit initialization by the client. For the moment, passes are required to initialize both their (potential) dependencies and any passes they preserve. I hope to be able to relax the latter requirement in the future. llvm-svn: 116334
* Now with fewer extraneous semicolons!Owen Anderson2010-10-071-1/+1
| | | | llvm-svn: 115996
* Reapply r110396, with fixes to appease the Linux buildbot gods.Owen Anderson2010-08-061-1/+1
| | | | llvm-svn: 110460
* Revert r110396 to fix buildbots.Owen Anderson2010-08-061-1/+1
| | | | llvm-svn: 110410
* Don't use PassInfo* as a type identifier for passes. Instead, use the ↵Owen Anderson2010-08-051-1/+1
| | | | | | | | address of the static ID member as the sole unique type identifier. Clean up APIs related to this change. llvm-svn: 110396
* Fix batch of converting RegisterPass<> to INTIALIZE_PASS().Owen Anderson2010-07-211-2/+1
| | | | llvm-svn: 109045
* Add an LLVM IR version of code sinking. This uses the same simple algorithmDan Gohman2010-05-071-0/+267
as MachineSink, but it isn't constrained by MachineInstr-level details. llvm-svn: 103257
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