X-Git-Url: http://git.megacz.com/?a=blobdiff_plain;f=compiler%2FcoreSyn%2FCoreUnfold.lhs;h=14413f4de66b2ddecd07174f19d3f547dc73cd97;hb=8100cd4395e46ae747be4298c181a4730d6206bc;hp=68495105dc8b08922044dbbd34ad865c5d5ce35b;hpb=2a3c28723075eb36e3faa2bfb6c46d934e05f208;p=ghc-hetmet.git

diff --git a/compiler/coreSyn/CoreUnfold.lhs b/compiler/coreSyn/CoreUnfold.lhs
index 6849510..14413f4 100644
--- a/compiler/coreSyn/CoreUnfold.lhs
+++ b/compiler/coreSyn/CoreUnfold.lhs
@@ -1,7 +1,9 @@
 %
+% (c) The University of Glasgow 2006
 % (c) The AQUA Project, Glasgow University, 1994-1998
 %
-\section[CoreUnfold]{Core-syntax unfoldings}
+
+Core-syntax unfoldings
 
 Unfoldings (which can travel across module boundaries) are in Core
 syntax (namely @CoreExpr@s).
@@ -30,31 +32,24 @@ module CoreUnfold (
 
 #include "HsVersions.h"
 
-import StaticFlags	( opt_UF_CreationThreshold, opt_UF_UseThreshold,
-			  opt_UF_FunAppDiscount, opt_UF_KeenessFactor,
-			  opt_UF_DearOp,
-			)
-import DynFlags		( DynFlags, DynFlag(..), dopt )
+import StaticFlags
+import DynFlags
 import CoreSyn
 import PprCore		()	-- Instances
-import OccurAnal	( occurAnalyseExpr )
-import CoreUtils	( exprIsHNF, exprIsCheap, exprIsTrivial )
-import Id		( Id, idType, isId,
-			  idUnfolding, globalIdDetails
-			)
-import DataCon		( isUnboxedTupleCon )
-import Literal		( litSize )
-import PrimOp		( primOpIsDupable, primOpOutOfLine )
-import IdInfo		( OccInfo(..), GlobalIdDetails(..) )
-import Type		( isUnLiftedType )
-import PrelNames	( hasKey, buildIdKey, augmentIdKey )
+import OccurAnal
+import CoreUtils
+import Id
+import DataCon
+import Literal
+import PrimOp
+import IdInfo
+import Type
+import PrelNames
 import Bag
 import FastTypes
 import Outputable
 
-#if __GLASGOW_HASKELL__ >= 404
-import GLAEXTS		( Int# )
-#endif
+import GHC.Exts		( Int# )
 \end{code}
 
 
@@ -502,14 +497,13 @@ StrictAnal.addStrictnessInfoToTopId
 \begin{code}
 callSiteInline :: DynFlags
 	       -> Bool			-- True <=> the Id can be inlined
-	       -> OccInfo
 	       -> Id			-- The Id
 	       -> [Bool]		-- One for each value arg; True if it is interesting
 	       -> Bool			-- True <=> continuation is interesting
 	       -> Maybe CoreExpr	-- Unfolding, if any
 
 
-callSiteInline dflags active_inline occ id arg_infos interesting_cont
+callSiteInline dflags active_inline id arg_infos interesting_cont
   = case idUnfolding id of {
 	NoUnfolding -> Nothing ;
 	OtherCon cs -> Nothing ;
@@ -531,12 +525,8 @@ callSiteInline dflags active_inline occ id arg_infos interesting_cont
 
  	yes_or_no 
 	  | not active_inline = False
-	  | otherwise = case occ of
-				IAmDead		     -> pprTrace "callSiteInline: dead" (ppr id) False
-				IAmALoopBreaker      -> False
-				--OneOcc in_lam _ _    -> (not in_lam || is_cheap) && consider_safe True
-				other		     -> is_cheap && consider_safe False
-		-- we consider even the once-in-one-branch
+	  | otherwise = is_cheap && consider_safe False
+		-- We consider even the once-in-one-branch
 		-- occurrences, because they won't all have been
 		-- caught by preInlineUnconditionally.  In particular,
 		-- if the occurrence is once inside a lambda, and the
@@ -596,7 +586,6 @@ callSiteInline dflags active_inline occ id arg_infos interesting_cont
     if dopt Opt_D_dump_inlinings dflags then
 	pprTrace "Considering inlining"
 		 (ppr id <+> vcat [text "active:" <+> ppr active_inline,
-				   text "occ info:" <+> ppr occ,
 			  	   text "arg infos" <+> ppr arg_infos,
 				   text "interesting continuation" <+> ppr interesting_cont,
 				   text "is value:" <+> ppr is_value,