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[CODEGEN] Fixed bug in alignment inference that prevented vectorization

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in some cases
This commit is contained in:
Philippe Tillet
2020-06-06 01:13:38 -04:00
committed by Philippe Tillet
parent ca5b7c5df4
commit da6008128e
1 changed files with 2 additions and 4 deletions
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6
lib/codegen/analysis/align.cc
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@@ -287,10 +287,8 @@ std::vector<unsigned> align::populate_max_contiguous_binop(ir::binary_operator*
}
if(x->is_int_add_sub()){
unsigned lvalue = 1, rvalue = 1;
if(lhs_cst_info[d].num_cst > 0)
lvalue = gcd(rhs_max_contiguous[d], lhs_cst_info[d].num_cst);
if(rhs_cst_info[d].num_cst > 0)
rvalue = gcd(lhs_max_contiguous[d], rhs_cst_info[d].num_cst);
lvalue = gcd(rhs_max_contiguous[d], lhs_starting_multiple[d]);
rvalue = gcd(lhs_max_contiguous[d], rhs_starting_multiple[d]);
value = std::max(lvalue, rvalue);
}
result.push_back(value);