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| author | Ariel Ben-Yehuda <arielb1@mail.tau.ac.il> | 2017-04-20 01:58:12 +0300 |
|---|---|---|
| committer | Ariel Ben-Yehuda <ariel.byd@gmail.com> | 2017-04-22 21:00:50 +0300 |
| commit | e1377a4f474fc76abc798110b7fb4f53d54c2e2b (patch) | |
| tree | 8b9be2d0c057a3d9eb2ffae6310f1ea4c109409c /src/librustc_trans | |
| parent | 3bf00450cb9413b3c8e1e52fb7dfeaf31eb93b83 (diff) | |
| download | rust-e1377a4f474fc76abc798110b7fb4f53d54c2e2b.tar.gz rust-e1377a4f474fc76abc798110b7fb4f53d54c2e2b.zip | |
avoid calling `mk_region` unnecessarily
this improves typeck & trans performance by 1%. This looked hotter on callgrind than it is on a CPU.
Diffstat (limited to 'src/librustc_trans')
| -rw-r--r-- | src/librustc_trans/mir/constant.rs | 2 | ||||
| -rw-r--r-- | src/librustc_trans/mir/rvalue.rs | 2 |
2 files changed, 2 insertions, 2 deletions
diff --git a/src/librustc_trans/mir/constant.rs b/src/librustc_trans/mir/constant.rs index dbae79e034d..e938913a3f1 100644 --- a/src/librustc_trans/mir/constant.rs +++ b/src/librustc_trans/mir/constant.rs @@ -708,7 +708,7 @@ impl<'a, 'tcx> MirConstContext<'a, 'tcx> { let tr_lvalue = self.const_lvalue(lvalue, span)?; let ty = tr_lvalue.ty; - let ref_ty = tcx.mk_ref(tcx.mk_region(ty::ReErased), + let ref_ty = tcx.mk_ref(tcx.types.re_erased, ty::TypeAndMut { ty: ty, mutbl: bk.to_mutbl_lossy() }); let base = match tr_lvalue.base { diff --git a/src/librustc_trans/mir/rvalue.rs b/src/librustc_trans/mir/rvalue.rs index de1c1e492f3..b8e9a490b0e 100644 --- a/src/librustc_trans/mir/rvalue.rs +++ b/src/librustc_trans/mir/rvalue.rs @@ -329,7 +329,7 @@ impl<'a, 'tcx> MirContext<'a, 'tcx> { let ty = tr_lvalue.ty.to_ty(bcx.tcx()); let ref_ty = bcx.tcx().mk_ref( - bcx.tcx().mk_region(ty::ReErased), + bcx.tcx().types.re_erased, ty::TypeAndMut { ty: ty, mutbl: bk.to_mutbl_lossy() } ); |