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IC: next steps (#16729)

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* IC: dead code elimination pass
* preparations for a different codegen strategy
* added documentation to the newly written code
* IC: backend code
* IC: backend adjustments
* optimized the compiler a bit
* IC: yet another massive refactoring
* fixes regressions
* cleanups
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Andreas Rumpf 2021-01-23 08:06:15 +01:00 • committed by GitHub
commit 8241e55023
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32 changed files with 729 additions and 323 deletions
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compiler/transf.nim
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@ -496,7 +496,7 @@ proc transformConv(c: PTransf, n: PNode): PNode =
of tyOpenArray, tyVarargs:
result = transform(c, n[1])
#result = transformSons(c, n)
result.typ = takeType(n.typ, n[1].typ, c.idgen)
result.typ = takeType(n.typ, n[1].typ, c.graph, c.idgen)
#echo n.info, " came here and produced ", typeToString(result.typ),
# " from ", typeToString(n.typ), " and ", typeToString(n[1].typ)
of tyCString:
@ -612,6 +612,8 @@ proc isSimpleIteratorVar(c: PTransf; iter: PSym): bool =
rec(getBody(c.graph, iter), iter, dangerousYields)
result = dangerousYields == 0
template destructor(t: PType): PSym = getAttachedOp(c.graph, t, attachedDestructor)
proc transformFor(c: PTransf, n: PNode): PNode =
# generate access statements for the parameters (unless they are constant)
# put mapping from formal parameters to actual parameters