X-Git-Url: http://git.megacz.com/?a=blobdiff_plain;f=compiler%2Fstranal%2FWorkWrap.lhs;h=7a56c33289f1ca16c7075a67d51201bb9732d0ad;hb=5e3c9a59c4827b1fbde59461076b4839d57efd7c;hp=b0759b92aabe9f87abcd9b7e3f923e97496755b6;hpb=77166b1729061531eeb77c33f4d3b2581f7d4c41;p=ghc-hetmet.git

diff --git a/compiler/stranal/WorkWrap.lhs b/compiler/stranal/WorkWrap.lhs
index b0759b9..7a56c33 100644
--- a/compiler/stranal/WorkWrap.lhs
+++ b/compiler/stranal/WorkWrap.lhs
@@ -226,6 +226,7 @@ tryWW is_rec fn_id rhs
   = return [ (fn_id, rhs) ]
 
   | is_thunk && worthSplittingThunk maybe_fn_dmd res_info
+  	-- See Note [Thunk splitting]
   = ASSERT2( isNonRec is_rec, ppr new_fn_id )	-- The thunk must be non-recursive
     checkSize new_fn_id rhs $ 
     splitThunk new_fn_id rhs
@@ -356,8 +357,8 @@ get_one_shots (Note _ e) = get_one_shots e
 get_one_shots _    	 = noOneShotInfo
 \end{code}
 
-Thunk splitting
-~~~~~~~~~~~~~~~
+Note [Thunk splitting]
+~~~~~~~~~~~~~~~~~~~~~~
 Suppose x is used strictly (never mind whether it has the CPR
 property).  
 
@@ -391,6 +392,7 @@ function, so that if x's demand is deeper (say U(U(L,L),L))
 then the splitting will go deeper too.
 
 \begin{code}
+-- See Note [Thunk splitting]
 -- splitThunk converts the *non-recursive* binding
 --	x = e
 -- into