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[WIP] NRVO pass for acyclic CFGs #71003

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[WIP] NRVO pass for acyclic CFGs #71003

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a763b96
NRVO pass for acyclic CFGs
jonas-schievink Apr 12, 2020
4695183
Precompute blocks using locals
jonas-schievink Apr 14, 2020
5e6c097
[perf] test perf of an NRVO-optimized rustc
jonas-schievink Apr 13, 2020
fa95297
Format
jonas-schievink Apr 14, 2020
2650c3a
Welp >.<
jonas-schievink Apr 15, 2020
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Welp >.<
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@jonas-schievink
jonas-schievink authored Apr 15, 2020
commit 2650c3aeaf222e05a0df9e83948df835bc2c55bc
2 changes: 1 addition & 1 deletion src/librustc_mir/transform/dag_nrvo.rs
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Expand Up @@ -125,7 +125,7 @@ pub struct Nrvo;

impl<'tcx> MirPass<'tcx> for Nrvo {
fn run_pass(&self, tcx: TyCtxt<'tcx>, source: MirSource<'tcx>, body: &mut BodyAndCache<'tcx>) {
if tcx.crate_name(LOCAL_CRATE).as_str().starts_with("rustc_") {
if !tcx.crate_name(LOCAL_CRATE).as_str().starts_with("rustc_") {
// Only run this pass on the compiler.
return;
}
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