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tightened some dataflow code as part of preparing a talk
[ghc-hetmet.git]
/
compiler
/
cmm
/
ZipDataflow.hs
diff --git
a/compiler/cmm/ZipDataflow.hs
b/compiler/cmm/ZipDataflow.hs
index
2b7cb14
..
efe9365
100644
(file)
--- a/
compiler/cmm/ZipDataflow.hs
+++ b/
compiler/cmm/ZipDataflow.hs
@@
-298,8
+298,7
@@
refine_b_anal comp graph initial =
set_block_fact () b@(G.Block id _) =
let (h, l) = G.goto_end (G.unzip b) in
do env <- factsEnv
set_block_fact () b@(G.Block id _) =
let (h, l) = G.goto_end (G.unzip b) in
do env <- factsEnv
- let block_in = head_in h (last_in comp env l) -- 'in' fact for the block
- setFact id block_in
+ setFact id $ head_in h (last_in comp env l) -- 'in' fact for the block
head_in (G.ZHead h m) out = head_in h (bc_middle_in comp out m)
head_in (G.ZFirst id) out = bc_first_in comp out id
head_in (G.ZHead h m) out = head_in h (bc_middle_in comp out m)
head_in (G.ZFirst id) out = bc_first_in comp out id