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Diffstat (limited to 'compiler/nativeGen/RegAlloc/Linear/JoinToTargets.hs')
-rw-r--r--compiler/nativeGen/RegAlloc/Linear/JoinToTargets.hs13
1 files changed, 6 insertions, 7 deletions
diff --git a/compiler/nativeGen/RegAlloc/Linear/JoinToTargets.hs b/compiler/nativeGen/RegAlloc/Linear/JoinToTargets.hs
index a9367f9f01..903082fc26 100644
--- a/compiler/nativeGen/RegAlloc/Linear/JoinToTargets.hs
+++ b/compiler/nativeGen/RegAlloc/Linear/JoinToTargets.hs
@@ -23,7 +23,7 @@ import Instruction
import Reg
import BlockId
-import Cmm hiding (RegSet)
+import OldCmm hiding (RegSet)
import Digraph
import Outputable
import Unique
@@ -86,7 +86,7 @@ joinToTargets' block_live new_blocks block_id instr (dest:dests)
-- adjust the current assignment to remove any vregs that are not live
-- on entry to the destination block.
- let Just live_set = lookupBlockEnv block_live dest
+ let Just live_set = mapLookup dest block_live
let still_live uniq _ = uniq `elemUniqSet_Directly` live_set
let adjusted_assig = filterUFM_Directly still_live assig
@@ -96,7 +96,7 @@ joinToTargets' block_live new_blocks block_id instr (dest:dests)
, not (elemUniqSet_Directly reg live_set)
, r <- regsOfLoc loc ]
- case lookupBlockEnv block_assig dest of
+ case mapLookup dest block_assig of
Nothing
-> joinToTargets_first
block_live new_blocks block_id instr dest dests
@@ -118,8 +118,7 @@ joinToTargets_first block_live new_blocks block_id instr dest dests
let freeregs' = foldr releaseReg freeregs to_free
-- remember the current assignment on entry to this block.
- setBlockAssigR (extendBlockEnv block_assig dest
- (freeregs', src_assig))
+ setBlockAssigR (mapInsert dest (freeregs', src_assig) block_assig)
joinToTargets' block_live new_blocks block_id instr dests
@@ -173,7 +172,7 @@ joinToTargets_again
-- A the end of the current block we will jump to the fixup one,
-- then that will jump to our original destination.
fixup_block_id <- getUniqueR
- let block = BasicBlock (BlockId fixup_block_id)
+ let block = BasicBlock (mkBlockId fixup_block_id)
$ fixUpInstrs ++ mkJumpInstr dest
{- pprTrace
@@ -190,7 +189,7 @@ joinToTargets_again
-- fixup block instead.
_ -> let instr' = patchJumpInstr instr
(\bid -> if bid == dest
- then BlockId fixup_block_id
+ then mkBlockId fixup_block_id
else dest)
in joinToTargets' block_live (block : new_blocks) block_id instr' dests