Commit Graph

2 Commits

Author SHA1 Message Date
Dan Gohman
059845880c Fix more GVN issues (#83)
* Fix GVN skipping the instruction after a deleted instruction.

* Teach GVN to resolve aliases as it proceeds.

* Clean up an obsolete reference to extended_values.
2017-05-25 16:37:31 -07:00
Dan Gohman
dc809628f4 Start a very simple GVN pass (#79)
* Skeleton simple_gvn pass.
* Basic testing infrastructure for simple-gvn.
* Add can_load and can_store flags to instructions.
* Move the replace_values function into the DataFlowGraph.
* Make InstructionData derive from Hash, PartialEq, and Eq.
* Make EntityList's hash and eq functions panic.
* Change Ieee32 and Ieee64 to store u32 and u64, respectively.
2017-05-18 18:18:57 -07:00