[Git][ghc/ghc][wip/simplifier-tweaks] wibble

[Simon Peyton Jones (@simonpj)]

Simon Peyton Jones pushed to branch wip/simplifier-tweaks at Glasgow Haskell Compiler / GHC


Commits:
740908bf by Simon Peyton Jones at 2023-07-06T09:10:10+01:00
wibble

- - - - -


1 changed file:

- compiler/GHC/Core/Opt/Simplify/Iteration.hs


Changes:

=====================================
compiler/GHC/Core/Opt/Simplify/Iteration.hs
=====================================
@@ -3733,8 +3733,9 @@ mkDupableContWithDmds env _
   where
     thumbsUpPlanA (StrictBind {})              = True
     thumbsUpPlanA (Stop {})                    = True
+    thumbsUpPlanA (Select {})                  = True  -- Not quite sure of this one, but it
+                                                       -- benefits nofib digits-of-e1 quite a bit
     thumbsUpPlanA (StrictArg {})               = False
-    thumbsUpPlanA (Select {})                  = False
     thumbsUpPlanA (CastIt { sc_cont = k })     = thumbsUpPlanA k
     thumbsUpPlanA (TickIt _ k)                 = thumbsUpPlanA k
     thumbsUpPlanA (ApplyToVal { sc_cont = k }) = thumbsUpPlanA k



View it on GitLab: https://gitlab.haskell.org/ghc/ghc/-/commit/740908bfce305de2b85b84add80ecc6384d43f7b

-- 
View it on GitLab: https://gitlab.haskell.org/ghc/ghc/-/commit/740908bfce305de2b85b84add80ecc6384d43f7b
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