bjoernager/rust
bjoernager/rust
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Merge commit '1eded3619d' into sync_cg_clif-2023-07-22

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This commit is contained in:
bjorn3 2023-07-22 13:32:34 +00:00
commit 36708123c1
30 changed files with 668 additions and 170 deletions
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8
compiler/rustc_codegen_cranelift/build_system/build_sysroot.rs
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@ -6,6 +6,7 @@ use super::path::{Dirs, RelPath};
use super::rustc_info::get_file_name;
use super::utils::{
maybe_incremental, remove_dir_if_exists, spawn_and_wait, try_hard_link, CargoProject, Compiler,
LogGroup,
};
use super::{CodegenBackend, SysrootKind};
@ -22,6 +23,8 @@ pub(crate) fn build_sysroot(
rustup_toolchain_name: Option<&str>,
target_triple: String,
) -> Compiler {
let _guard = LogGroup::guard("Build sysroot");
eprintln!("[BUILD] sysroot {:?}", sysroot_kind);
DIST_DIR.ensure_fresh(dirs);
@ -251,7 +254,10 @@ fn build_clif_sysroot_for_triple(
rustflags
.push_str(&format!(" --sysroot {}", RTSTARTUP_SYSROOT.to_path(dirs).to_str().unwrap()));
if channel == "release" {
rustflags.push_str(" -Zmir-opt-level=3");
// Incremental compilation by default disables mir inlining. This leads to both a decent
// compile perf and a significant runtime perf regression. As such forcefully enable mir
// inlining.
rustflags.push_str(" -Zinline-mir");
}
compiler.rustflags += &rustflags;
let mut build_cmd = STANDARD_LIBRARY.build(&compiler, dirs);