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Add CLI option for optimized backends.

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This commit is contained in:
losfair 2019-08-10 02:43:21 +08:00
parent 8dfdd82865
commit 03665fe74a
1 changed files with 12 additions and 3 deletions
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15
src/bin/wasmer.rs
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@ -119,6 +119,15 @@ struct Run {
#[structopt(long = "resume")]
resume: Option<String>,
/// Optimized backends for higher tiers.
#[cfg(feature = "managed")]
#[structopt(
long = "optimized-backends",
multiple = true,
raw(possible_values = "Backend::variants()", case_insensitive = "true")
)]
optimized_backends: Vec<Backend>,
/// Whether or not state tracking should be disabled during compilation.
/// State tracking is necessary for tier switching and backtracing.
#[structopt(long = "no-track-state")]
@ -525,9 +534,9 @@ fn execute_wasm(options: &Run) -> Result<(), String> {
&import_object,
start_raw,
&mut instance,
vec![
Box::new(|| get_compiler_by_backend(Backend::LLVM).unwrap()),
],
options.optimized_backends.iter().map(|&backend| -> Box<dyn Fn() -> Box<dyn Compiler> + Send> {
Box::new(move || get_compiler_by_backend(backend).unwrap())
}).collect(),
interactive_shell,
)?;