bjoernager/rust
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Add support for MIR opt unit tests

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This commit is contained in:
Jakob Degen 2022-04-11 15:17:52 -04:00
parent c8422403f7
commit f280a839a7
5 changed files with 52 additions and 5 deletions
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22
compiler/rustc_session/src/options.rs
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@ -369,6 +369,8 @@ mod desc {
pub const parse_opt_langid: &str = "a language identifier";
pub const parse_opt_pathbuf: &str = "a path";
pub const parse_list: &str = "a space-separated list of strings";
pub const parse_list_with_polarity: &str =
"a comma-separated list of strings, with elements beginning with + or -";
pub const parse_opt_comma_list: &str = "a comma-separated list of strings";
pub const parse_number: &str = "a number";
pub const parse_opt_number: &str = parse_number;
@ -530,6 +532,22 @@ mod parse {
}
}
crate fn parse_list_with_polarity(slot: &mut Vec<(String, bool)>, v: Option<&str>) -> bool {
match v {
Some(s) => {
for s in s.split(",") {
match s.chars().next() {
Some('+') => slot.push((s[1..].to_string(), true)),
Some('-') => slot.push((s[1..].to_string(), false)),
_ => return false,
}
}
true
}
None => false,
}
}
crate fn parse_location_detail(ld: &mut LocationDetail, v: Option<&str>) -> bool {
if let Some(v) = v {
ld.line = false;
@ -1319,6 +1337,10 @@ options! {
mir_emit_retag: bool = (false, parse_bool, [TRACKED],
"emit Retagging MIR statements, interpreted e.g., by miri; implies -Zmir-opt-level=0 \
(default: no)"),
mir_enable_passes: Vec<(String, bool)> = (Vec::new(), parse_list_with_polarity, [TRACKED],
"use like `-Zmir-enable-passes=+DestProp,-InstCombine`. Forces the specified passes to be \
enabled, overriding all other checks. Passes that are not specified are enabled or \
disabled by other flags as usual."),
mir_opt_level: Option<usize> = (None, parse_opt_number, [TRACKED],
"MIR optimization level (0-4; default: 1 in non optimized builds and 2 in optimized builds)"),
move_size_limit: Option<usize> = (None, parse_opt_number, [TRACKED],