X-Git-Url: http://git.megacz.com/?a=blobdiff_plain;f=compiler%2Fcmm%2FCmmLive.hs;h=958ba8182124117425ef2587fe1aa67bc3be486e;hb=1c5499d4d5d506ce0cc971e98c09bfbf7bc290a1;hp=8591aae11774f8309d691d85d35c472ca6e30143;hpb=21bc3ec7555c996ce3a5d8a620831e7758f5f7e9;p=ghc-hetmet.git diff --git a/compiler/cmm/CmmLive.hs b/compiler/cmm/CmmLive.hs index 8591aae..958ba81 100644 --- a/compiler/cmm/CmmLive.hs +++ b/compiler/cmm/CmmLive.hs @@ -2,7 +2,7 @@ module CmmLive ( CmmLive, BlockEntryLiveness, cmmLiveness, - cmmFormalsToLiveLocals, + cmmHintFormalsToLiveLocals, ) where #include "HsVersions.h" @@ -129,6 +129,7 @@ cmmBlockUpdate blocks node _ state = ----------------------------------------------------------------------------- -- Section: ----------------------------------------------------------------------------- +----------------------------------------------------------------------------- -- CmmBlockLive, cmmStmtListLive and helpers ----------------------------------------------------------------------------- @@ -155,10 +156,8 @@ addKilled new_killed live = live `minusUniqSet` new_killed -------------------------------- -- Liveness of a CmmStmt -------------------------------- -cmmFormalsToLiveLocals :: CmmFormals -> [LocalReg] -cmmFormalsToLiveLocals [] = [] -cmmFormalsToLiveLocals ((CmmGlobal _,_):args) = cmmFormalsToLiveLocals args -cmmFormalsToLiveLocals ((CmmLocal r,_):args) = r:cmmFormalsToLiveLocals args +cmmHintFormalsToLiveLocals :: CmmHintFormals -> [LocalReg] +cmmHintFormalsToLiveLocals formals = map fst formals cmmStmtLive :: BlockEntryLiveness -> CmmStmt -> CmmLivenessTransformer cmmStmtLive _ (CmmNop) = id @@ -174,10 +173,10 @@ cmmStmtLive _ (CmmStore expr1 expr2) = cmmStmtLive _ (CmmCall target results arguments _) = target_liveness . foldr ((.) . cmmExprLive) id (map fst arguments) . - addKilled (mkUniqSet $ cmmFormalsToLiveLocals results) where + addKilled (mkUniqSet $ cmmHintFormalsToLiveLocals results) where target_liveness = case target of - (CmmForeignCall target _) -> cmmExprLive target + (CmmCallee target _) -> cmmExprLive target (CmmPrim _) -> id cmmStmtLive other_live (CmmBranch target) = addLive (lookupWithDefaultUFM other_live emptyUniqSet target)