diff options
Diffstat (limited to 'compiler/rustc_codegen_llvm/src/llvm_util.rs')
| -rw-r--r-- | compiler/rustc_codegen_llvm/src/llvm_util.rs | 28 |
1 files changed, 3 insertions, 25 deletions
diff --git a/compiler/rustc_codegen_llvm/src/llvm_util.rs b/compiler/rustc_codegen_llvm/src/llvm_util.rs index 79b243f73..ba58a2e68 100644 --- a/compiler/rustc_codegen_llvm/src/llvm_util.rs +++ b/compiler/rustc_codegen_llvm/src/llvm_util.rs @@ -120,8 +120,6 @@ unsafe fn configure_llvm(sess: &Session) { llvm::LLVMTimeTraceProfilerInitialize(); } - llvm::LLVMInitializePasses(); - rustc_llvm::initialize_available_targets(); llvm::LLVMRustSetLLVMOptions(llvm_args.len() as c_int, llvm_args.as_ptr()); @@ -152,13 +150,7 @@ pub fn time_trace_profiler_finish(file_name: &Path) { pub fn to_llvm_features<'a>(sess: &Session, s: &'a str) -> SmallVec<[&'a str; 2]> { let arch = if sess.target.arch == "x86_64" { "x86" } else { &*sess.target.arch }; match (arch, s) { - ("x86", "sse4.2") => { - if get_version() >= (14, 0, 0) { - smallvec!["sse4.2", "crc32"] - } else { - smallvec!["sse4.2"] - } - } + ("x86", "sse4.2") => smallvec!["sse4.2", "crc32"], ("x86", "pclmulqdq") => smallvec!["pclmul"], ("x86", "rdrand") => smallvec!["rdrnd"], ("x86", "bmi1") => smallvec!["bmi"], @@ -217,7 +209,7 @@ pub fn check_tied_features( /// Must express features in the way Rust understands them pub fn target_features(sess: &Session, allow_unstable: bool) -> Vec<Symbol> { let target_machine = create_informational_target_machine(sess); - let mut features: Vec<Symbol> = supported_target_features(sess) + supported_target_features(sess) .iter() .filter_map(|&(feature, gate)| { if sess.is_nightly_build() || allow_unstable || gate.is_none() { @@ -237,16 +229,7 @@ pub fn target_features(sess: &Session, allow_unstable: bool) -> Vec<Symbol> { true }) .map(|feature| Symbol::intern(feature)) - .collect(); - - // LLVM 14 changed the ABI for i128 arguments to __float/__fix builtins on Win64 - // (see https://reviews.llvm.org/D110413). This unstable target feature is intended for use - // by compiler-builtins, to export the builtins with the expected, LLVM-version-dependent ABI. - // The target feature can be dropped once we no longer support older LLVM versions. - if sess.is_nightly_build() && get_version() >= (14, 0, 0) { - features.push(Symbol::intern("llvm14-builtins-abi")); - } - features + .collect() } pub fn print_version() { @@ -494,11 +477,6 @@ pub(crate) fn global_llvm_features(sess: &Session, diagnostics: bool) -> Vec<Str .flatten(); features.extend(feats); - // FIXME: Move v8a to target definition list when earliest supported LLVM is 14. - if get_version() >= (14, 0, 0) && sess.target.arch == "aarch64" { - features.push("+v8a".into()); - } - if diagnostics && let Some(f) = check_tied_features(sess, &featsmap) { sess.emit_err(TargetFeatureDisableOrEnable { features: f, |