effe6c04e4
* initial cargo fix run * Upgrade cranelift-entity crate * Upgrade bforest crate * Upgrade the codegen crate * Upgrade the faerie crate * Upgrade the filetests crate * Upgrade the codegen-meta crate * Upgrade the frontend crate * Upgrade the cranelift-module crate * Upgrade the cranelift-native crate * Upgrade the cranelift-preopt crate * Upgrade the cranelift-reader crate * Upgrade the cranelift-serde crate * Upgrade the cranelift-simplejit crate * Upgrade the cranelift or cranelift-umbrella crate * Upgrade the cranelift-wasm crate * Upgrade cranelift-tools crate * Use new import style on remaining files * run format-all.sh * run test-all.sh, update Readme and travis ci configuration fixed an AssertionError also * Remove deprecated functions
62 lines
1.7 KiB
Rust
62 lines
1.7 KiB
Rust
//! Performs early-stage optimizations on Cranelift IR.
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#![deny(missing_docs, trivial_numeric_casts, unused_extern_crates)]
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#![warn(unused_import_braces)]
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#![cfg_attr(feature = "std", deny(unstable_features))]
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#![cfg_attr(feature = "clippy", plugin(clippy(conf_file = "../../clippy.toml")))]
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#![cfg_attr(
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feature = "cargo-clippy",
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allow(new_without_default, new_without_default_derive)
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)]
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#![cfg_attr(
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feature = "cargo-clippy",
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warn(
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clippy::float_arithmetic,
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clippy::mut_mut,
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clippy::nonminimal_bool,
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clippy::option_map_unwrap_or,
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clippy::option_map_unwrap_or_else,
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clippy::print_stdout,
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clippy::unicode_not_nfc,
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clippy::use_self
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)
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)]
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#![cfg_attr(not(feature = "std"), no_std)]
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#![cfg_attr(not(feature = "std"), feature(alloc))]
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#[cfg(not(feature = "std"))]
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extern crate alloc;
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mod constant_folding;
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use cranelift_codegen::{isa::TargetIsa, settings::FlagsOrIsa, CodegenResult, Context};
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/// Optimize the function with available optimizations.
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///
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/// Since this can be resource intensive (and code-size inflating),
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/// it is separated from `Context::compile` to allow DCE to remove it
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/// if it's not used.
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pub fn optimize(ctx: &mut Context, isa: &TargetIsa) -> CodegenResult<()> {
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ctx.verify_if(isa)?;
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fold_constants(ctx, isa)?;
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Ok(())
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}
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/// Fold constants
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pub fn fold_constants<'a, FOI>(ctx: &mut Context, fisa: FOI) -> CodegenResult<()>
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where
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FOI: Into<FlagsOrIsa<'a>>,
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{
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constant_folding::fold_constants(&mut ctx.func);
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ctx.verify_if(fisa)?;
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Ok(())
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}
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/// This replaces `std` in builds with `core`.
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#[cfg(not(feature = "std"))]
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mod std {
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pub use alloc::{boxed, slice, string, vec};
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pub use core::*;
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}
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