diff options
| author | Simon Peyton Jones <simonpj@microsoft.com> | 2015-07-10 12:52:50 +0100 |
|---|---|---|
| committer | Simon Peyton Jones <simonpj@microsoft.com> | 2015-07-10 12:54:13 +0100 |
| commit | 0a3c43fe8852a1f7fc5fcd104b56457811fa3912 (patch) | |
| tree | 30a29e3bfeea50388680dc4613f21e2213a96acb /compiler/simplCore/Simplify.hs | |
| parent | 6f1c0766943cdb9a567c0e2b9d41c5e73c2ff5bc (diff) | |
| download | haskell-0a3c43fe8852a1f7fc5fcd104b56457811fa3912.tar.gz | |
Comments only
Diffstat (limited to 'compiler/simplCore/Simplify.hs')
| -rw-r--r-- | compiler/simplCore/Simplify.hs | 2 |
1 files changed, 2 insertions, 0 deletions
diff --git a/compiler/simplCore/Simplify.hs b/compiler/simplCore/Simplify.hs index c6f115a8d2..bd17361a6a 100644 --- a/compiler/simplCore/Simplify.hs +++ b/compiler/simplCore/Simplify.hs @@ -2797,6 +2797,8 @@ Other choices: When x is inlined into its full context, we find that it was a bad idea to have pushed the outer case inside the (...) case. +There is a cost to not doing case-of-case; see Trac #10626. + Note [Single-alternative-unlifted] ~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~ Here's another single-alternative where we really want to do case-of-case: |