[project @ 1999-06-28 16:27:27 by simonpj]
authorsimonpj <unknown>
Mon, 28 Jun 1999 16:27:30 +0000 (16:27 +0000)
committersimonpj <unknown>
Mon, 28 Jun 1999 16:27:30 +0000 (16:27 +0000)
commit26caf834b8eba8eea0f68ab96d47997159a5ed7e
tree984f66c368ea1850d4f9f1cf4a39764eca160c61
parent960223bfc3fd1c2ac4608b837fb83f3bc6b5fd16
[project @ 1999-06-28 16:27:27 by simonpj]
Improve common sub-expression stuff
- better hash function
- add Const.isBoxedDataCon, and use it in CSE
- don't CSE for nullary constructors
ghc/compiler/basicTypes/Const.lhs
ghc/compiler/coreSyn/CoreUtils.lhs
ghc/compiler/simplCore/CSE.lhs