bjoernager/rust
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fully exploited the dropped support of LLVM 8

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This commit grepped for LLVM_VERSION_GE, LLVM_VERSION_LT, get_major_version and
min-llvm-version and statically evaluated every expression possible
(and sensible) assuming that the LLVM version is >=9 now
This commit is contained in:
DevJPM 2020-11-07 23:25:45 +01:00
parent 6830f1c6e2
commit b51bcc72d9
9 changed files with 8 additions and 73 deletions
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14
compiler/rustc_codegen_llvm/src/attributes.rs
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@ -147,17 +147,9 @@ fn set_probestack(cx: &CodegenCx<'ll, '_>, llfn: &'ll Value) {
fn translate_obsolete_target_features(feature: &str) -> &str {
const LLVM9_FEATURE_CHANGES: &[(&str, &str)] =
&[("+fp-only-sp", "-fp64"), ("-fp-only-sp", "+fp64"), ("+d16", "-d32"), ("-d16", "+d32")];
if llvm_util::get_major_version() >= 9 {
for &(old, new) in LLVM9_FEATURE_CHANGES {
if feature == old {
return new;
}
}
} else {
for &(old, new) in LLVM9_FEATURE_CHANGES {
if feature == new {
return old;
}
for &(old, new) in LLVM9_FEATURE_CHANGES {
if feature == old {
return new;
}
}
feature