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Update the minimum external LLVM to 14

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This commit is contained in:
Josh Stone 2023-02-01 12:52:06 -08:00
parent 2773383a31
commit a06aaa4a9e
42 changed files with 54 additions and 205 deletions
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15
compiler/rustc_codegen_llvm/src/llvm_util.rs
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@ -152,13 +152,7 @@ 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"],
@ -243,7 +237,7 @@ pub fn target_features(sess: &Session, allow_unstable: bool) -> Vec<Symbol> {
// (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) {
if sess.is_nightly_build() {
features.push(Symbol::intern("llvm14-builtins-abi"));
}
features
@ -494,11 +488,6 @@ 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,