X-Git-Url: http://git.megacz.com/?p=ghc-hetmet.git;a=blobdiff_plain;f=compiler%2FstgSyn%2FStgSyn.lhs;fp=compiler%2FstgSyn%2FStgSyn.lhs;h=a184d5e6c06d3b3c68d0f622f9c2bd507d0b7e20;hp=74832a24aa35728f91288d944e6a9e1ed99e9775;hb=d5934bbb856aa0aa620c9b2e0fa51c90a1a5a048;hpb=33b8b60e0aa925962cd11a8be98d9818666d58a0

diff --git a/compiler/stgSyn/StgSyn.lhs b/compiler/stgSyn/StgSyn.lhs
index 74832a2..a184d5e 100644
--- a/compiler/stgSyn/StgSyn.lhs
+++ b/compiler/stgSyn/StgSyn.lhs
@@ -67,6 +67,7 @@ import UniqSet		( isEmptyUniqSet, uniqSetToList, UniqSet )
 import Unique		( Unique )
 import Bitmap
 import StaticFlags	( opt_SccProfilingOn )
+import Module		( Module, pprModule )
 \end{code}
 
 %************************************************************************
@@ -349,6 +350,21 @@ Finally for @scc@ expressions we introduce a new STG construct.
   | StgSCC
 	CostCentre		-- label of SCC expression
 	(GenStgExpr bndr occ)	-- scc expression
+\end{code}
+
+%************************************************************************
+%*									*
+\subsubsection{@GenStgExpr@: @hpc@ expressions}
+%*									*
+%************************************************************************
+
+Finally for @scc@ expressions we introduce a new STG construct.
+
+\begin{code}
+  | StgTick
+    Module			-- the module of the source of this tick
+    Int				-- tick number
+    (GenStgExpr bndr occ)	-- sub expression
   -- end of GenStgExpr
 \end{code}
 
@@ -719,6 +735,10 @@ pprStgExpr (StgSCC cc expr)
   = sep [ hsep [ptext SLIT("_scc_"), ppr cc],
 	  pprStgExpr expr ]
 
+pprStgExpr (StgTick m n expr)
+  = sep [ hsep [ptext SLIT("_tick_"),  pprModule m,text (show n)],
+	  pprStgExpr expr ]
+
 pprStgExpr (StgCase expr lvs_whole lvs_rhss bndr srt alt_type alts)
   = sep [sep [ptext SLIT("case"),
 	   nest 4 (hsep [pprStgExpr expr,