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-rw-r--r--compiler/GHC/Cmm.hs7
1 files changed, 7 insertions, 0 deletions
diff --git a/compiler/GHC/Cmm.hs b/compiler/GHC/Cmm.hs
index d93b885e9e..a5b3b35b8b 100644
--- a/compiler/GHC/Cmm.hs
+++ b/compiler/GHC/Cmm.hs
@@ -266,9 +266,16 @@ newtype ListGraph i
instance Outputable instr => Outputable (ListGraph instr) where
ppr (ListGraph blocks) = vcat (map ppr blocks)
+instance OutputableP instr => OutputableP (ListGraph instr) where
+ pdoc platform g = ppr (fmap (pdoc platform) g)
+
+
instance Outputable instr => Outputable (GenBasicBlock instr) where
ppr = pprBBlock
+instance OutputableP instr => OutputableP (GenBasicBlock instr) where
+ pdoc platform block = ppr (fmap (pdoc platform) block)
+
pprBBlock :: Outputable stmt => GenBasicBlock stmt -> SDoc
pprBBlock (BasicBlock ident stmts) =
hang (ppr ident <> colon) 4 (vcat (map ppr stmts))