From b6fc60f5c350f121c9955c131fcdf7e643160ddd Mon Sep 17 00:00:00 2001
From: Roman Leshchinskiy <rl@cse.unsw.edu.au>
Date: Mon, 16 Jul 2007 05:00:19 +0000
Subject: [PATCH] Store hoisted bindings in the global environment during
 vectorisation

---
 compiler/vectorise/VectMonad.hs |    8 ++++----
 compiler/vectorise/VectUtils.hs |    4 ++--
 2 files changed, 6 insertions(+), 6 deletions(-)

diff --git a/compiler/vectorise/VectMonad.hs b/compiler/vectorise/VectMonad.hs
index 041928d..fee294f 100644
--- a/compiler/vectorise/VectMonad.hs
+++ b/compiler/vectorise/VectMonad.hs
@@ -121,6 +121,9 @@ data GlobalEnv = GlobalEnv {
                 -- instances
                 --
                 , global_fam_inst_env :: FamInstEnvs
+
+                -- Hoisted bindings
+                , global_bindings :: [(Var, CoreExpr)]
                 }
 
 data LocalEnv = LocalEnv {
@@ -131,9 +134,6 @@ data LocalEnv = LocalEnv {
 
                  -- Mapping from tyvars to their PA dictionaries
                , local_tyvar_pa :: VarEnv CoreExpr
-
-                 -- Hoisted bindings
-               , local_bindings :: [(Var, CoreExpr)]
                }
               
 
@@ -146,12 +146,12 @@ initGlobalEnv info instEnvs famInstEnvs
     , global_tycon_pa      = emptyNameEnv
     , global_inst_env      = instEnvs
     , global_fam_inst_env  = famInstEnvs
+    , global_bindings      = []
     }
 
 emptyLocalEnv = LocalEnv {
                    local_vars     = emptyVarEnv
                  , local_tyvar_pa = emptyVarEnv
-                 , local_bindings = []
                  }
 
 -- FIXME
diff --git a/compiler/vectorise/VectUtils.hs b/compiler/vectorise/VectUtils.hs
index 5b70bf4..74a3405 100644
--- a/compiler/vectorise/VectUtils.hs
+++ b/compiler/vectorise/VectUtils.hs
@@ -115,7 +115,7 @@ hoistExpr :: FastString -> CoreExpr -> VM Var
 hoistExpr fs expr
   = do
       var <- newLocalVar fs (exprType expr)
-      updLEnv $ \env ->
-        env { local_bindings = (var, expr) : local_bindings env }
+      updGEnv $ \env ->
+        env { global_bindings = (var, expr) : global_bindings env }
       return var
 
-- 
1.7.10.4