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tdisjoint_slice2 works

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Araq 2014-05-31 01:16:16 +02:00
commit 9953e0bbca
5 changed files with 27 additions and 7 deletions
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8
compiler/guards.nim
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@ -752,6 +752,14 @@ proc pleViaModelRec(m: var TModel; a, b: PNode): TImplication =
if ple(m, a, x) == impYes:
if ple(m, y, b) == impYes: return impYes
#if pleViaModelRec(m, y, b): return impYes
# fact: 16 <= i
# x y
# question: i <= 15? no!
result = impliesLe(fact, a, b)
if result != impUnknown: return result
if sameTree(y, a):
result = ple(m, x, b)
if result != impUnknown: return result
proc pleViaModel(model: TModel; aa, bb: PNode): TImplication =
# compute replacements: