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codegen uses alias analysis to generate better code

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This commit is contained in:
Araq 2011-12-10 01:06:32 +01:00
commit af792da0bb
14 changed files with 166 additions and 113 deletions
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compiler/aliases.nim
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@ -41,7 +41,7 @@ proc isPartOfAux(n: PNode, b: PType, marker: var TIntSet): TAnalysisResult =
proc isPartOfAux(a, b: PType, marker: var TIntSet): TAnalysisResult =
result = arNo
if a == nil: return
if a == nil or b == nil: return
if ContainsOrIncl(marker, a.id): return
if compareTypes(a, b, dcEqIgnoreDistinct): return arYes
case a.kind