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Unify semantics of the built-in swizzle procedure with the selector expression semantics e.g. .xyz

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gingerBill
2021-08-09 19:37:58 +01:00
parent aebfa4b28e
commit 01f431b01f
6 changed files with 175 additions and 28 deletions
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26
src/llvm_backend_proc.cpp
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@@ -1018,32 +1018,10 @@ lbValue lb_build_builtin_proc(lbProcedure *p, Ast *expr, TypeAndValue const &tv,
res.type = tv.type;
res.value = LLVMBuildShuffleVector(p->builder, v1, v2, mask, "");
return res;
}
lbAddr addr = lb_build_addr(p, ce->args[0]);
if (index_count == 0) {
return lb_addr_load(p, addr);
}
lbValue src = lb_addr_get_ptr(p, addr);
// TODO(bill): Should this be zeroed or not?
lbAddr dst = lb_add_local_generated(p, tv.type, true);
lbValue dst_ptr = lb_addr_get_ptr(p, dst);
for (i32 i = 1; i < ce->args.count; i++) {
TypeAndValue tv = type_and_value_of_expr(ce->args[i]);
GB_ASSERT(is_type_integer(tv.type));
GB_ASSERT(tv.value.kind == ExactValue_Integer);
i32 src_index = cast(i32)big_int_to_i64(&tv.value.value_integer);
i32 dst_index = i-1;
lbValue src_elem = lb_emit_array_epi(p, src, src_index);
lbValue dst_elem = lb_emit_array_epi(p, dst_ptr, dst_index);
lb_emit_store(p, dst_elem, lb_emit_load(p, src_elem));
}
return lb_addr_load(p, dst);
lbAddr addr = lb_build_array_swizzle_addr(p, ce, tv);
return lb_addr_load(p, addr);
}
case BuiltinProc_complex: {