Added support for GC block declaration to the Cmm syntax

[ghc-hetmet.git] / compiler / cmm / Cmm.hs

diff --git a/compiler/cmm/Cmm.hs b/compiler/cmm/Cmm.hs
index 8fef400..27bf8d6 100644 (file)
--- a/compiler/cmm/Cmm.hs
+++ b/compiler/cmm/Cmm.hs
@@ -113,7 +113,7 @@ mapBlockStmts f (BasicBlock id bs) = BasicBlock id (map f bs)
 
 data CmmInfo
   = CmmInfo
-      (Maybe BlockId) -- GC target
+      (Maybe BlockId) -- GC target. Nothing <=> CPS won't do stack check
       (Maybe UpdateFrame) -- Update frame
       CmmInfoTable -- Info table