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propagate aliasing information through copies

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This commit is contained in:
Quentin Carbonneaux 2017-02-23 11:19:11 -05:00
parent eebbb69291
commit 0689986187
1 changed files with 4 additions and 0 deletions
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4
alias.c
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@ -130,6 +130,10 @@ fillalias(Fn *fn)
a->base = i->to;
a->offset = 0;
}
if (i->op == Ocopy) {
assert(a);
getalias(a, i->arg[0], fn);
}
if (i->op == Oadd) {
getalias(&a0, i->arg[0], fn);
getalias(&a1, i->arg[1], fn);