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Track next_global at codegen time

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No need to track it at runtime as we should statically know its value!
This commit is contained in:
Alex Crichton 2018-04-03 12:24:35 -07:00
parent 8e5f5d20fc
commit a805e04a81
1 changed files with 4 additions and 7 deletions
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11
crates/cli-support/src/js.rs
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@ -1397,7 +1397,7 @@ impl<'a, 'b> SubContext<'a, 'b> {
let mut extra = String::new();
let mut needs_next_global = false;
let mut next_global = 0;
for (i, arg) in import.function.arguments.iter().enumerate() {
abi_args.push(format!("arg{}", i));
let invoc_arg = match *arg {
@ -1415,12 +1415,12 @@ impl<'a, 'b> SubContext<'a, 'b> {
match VectorType::from(other) {
Some(ty) => {
let f = self.cx.expose_get_vector_from_wasm(&ty);
needs_next_global = true;
self.cx.expose_get_global_argument();
extra.push_str(&format!("
let len{0} = getGlobalArgument(next_global++);
let len{0} = getGlobalArgument({next_global});
let v{0} = {func}(arg{0}, len{0});
", i, func = f));
", i, func = f, next_global = next_global));
next_global += 1;
if ty.owned {
extra.push_str(&format!("
@ -1579,9 +1579,6 @@ impl<'a, 'b> SubContext<'a, 'b> {
dst.push_str(&abi_args.join(", "));
dst.push_str(") {\n");
if needs_next_global {
dst.push_str("let next_global = 0;\n");
}
dst.push_str(&extra);
dst.push_str(&format!("{}\n}}", invoc));