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Support revisions for codegen tests

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`compile-flags: -Copt-level` will avoid adding -O. Similarly for -g and
-Cdebuglevel.
This commit is contained in:
Simonas Kazlauskas 2018-11-18 20:51:56 +02:00
parent dcf5482cda
commit 4d97b28893
6 changed files with 115 additions and 49 deletions
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6
src/librustc_codegen_llvm/attributes.rs
View file

@ -155,8 +155,6 @@ pub fn from_fn_attrs(
let codegen_fn_attrs = id.map(|id| cx.tcx.codegen_fn_attrs(id))
.unwrap_or_else(|| CodegenFnAttrs::new());
inline(cx, llfn, codegen_fn_attrs.inline);
match codegen_fn_attrs.optimize {
OptimizeAttr::None => {
match cx.tcx.sess.opts.optimize {
@ -173,7 +171,7 @@ pub fn from_fn_attrs(
OptLevel::No => {
llvm::Attribute::MinSize.unapply_llfn(Function, llfn);
llvm::Attribute::OptimizeForSize.unapply_llfn(Function, llfn);
llvm::Attribute::OptimizeNone.apply_llfn(Function, llfn);
llvm::Attribute::OptimizeNone.unapply_llfn(Function, llfn);
}
_ => {}
}
@ -190,6 +188,8 @@ pub fn from_fn_attrs(
}
}
inline(cx, llfn, codegen_fn_attrs.inline);
// The `uwtable` attribute according to LLVM is:
//
// This attribute indicates that the ABI being targeted requires that an

4
src/librustc_codegen_llvm/declare.rs
View file

@ -65,7 +65,7 @@ fn declare_raw_fn(
}
}
// FIXME(opt): this is kinda duplicated with similar code in attributes::from_fm_attrs…
// FIXME(opt): this is kinda duplicated with similar code in attributes::from_fn_attrs…
match cx.tcx.sess.opts.optimize {
OptLevel::Size => {
llvm::Attribute::MinSize.unapply_llfn(Function, llfn);
@ -80,7 +80,7 @@ fn declare_raw_fn(
OptLevel::No => {
llvm::Attribute::MinSize.unapply_llfn(Function, llfn);
llvm::Attribute::OptimizeForSize.unapply_llfn(Function, llfn);
llvm::Attribute::OptimizeNone.apply_llfn(Function, llfn);
llvm::Attribute::OptimizeNone.unapply_llfn(Function, llfn);
}
_ => {}
}