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Don't use LLVM to compute -Ctarget-feature

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This commit is contained in:
Caleb Zulawski 2024-08-03 23:51:37 -04:00
parent 484aca8857
commit a25da077cf
6 changed files with 121 additions and 113 deletions
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5
compiler/rustc_codegen_llvm/src/back/write.rs
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@ -97,13 +97,12 @@ pub fn write_output_file<'ll>(
pub fn create_informational_target_machine(
sess: &Session,
extra_features: bool,
only_base_features: bool,
) -> OwnedTargetMachine {
let config = TargetMachineFactoryConfig { split_dwarf_file: None, output_obj_file: None };
// Can't use query system here quite yet because this function is invoked before the query
// system/tcx is set up.
let features =
if extra_features { llvm_util::global_llvm_features(sess, false) } else { Vec::new() };
let features = llvm_util::global_llvm_features(sess, false, only_base_features);
target_machine_factory(sess, config::OptLevel::No, &features)(config)
.unwrap_or_else(|err| llvm_err(sess.dcx(), err).raise())
}