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| author | Tomasz Miąsko <tomasz.miasko@gmail.com> | 2020-08-14 00:00:00 +0000 |
|---|---|---|
| committer | Tomasz Miąsko <tomasz.miasko@gmail.com> | 2020-08-14 21:58:10 +0200 |
| commit | 60d7d28948c1a3d5125f12a2254f6edb5077c4c9 (patch) | |
| tree | 3bc603dcfdcf8fed997a163592c71dc3ed79c3e9 | |
| parent | fd740266de93f89195eee78a0feaa770bf90a47e (diff) | |
| download | rust-60d7d28948c1a3d5125f12a2254f6edb5077c4c9.tar.gz rust-60d7d28948c1a3d5125f12a2254f6edb5077c4c9.zip | |
MatchBranchSimplification: optimize when switching on copy operand
| -rw-r--r-- | src/librustc_mir/transform/match_branches.rs | 2 |
1 files changed, 1 insertions, 1 deletions
diff --git a/src/librustc_mir/transform/match_branches.rs b/src/librustc_mir/transform/match_branches.rs index 67021ae512b..e6c5845cd48 100644 --- a/src/librustc_mir/transform/match_branches.rs +++ b/src/librustc_mir/transform/match_branches.rs @@ -16,7 +16,7 @@ impl<'tcx> MirPass<'tcx> for MatchBranchSimplification { 'outer: for bb_idx in bbs.indices() { let (discr, val, switch_ty, first, second) = match bbs[bb_idx].terminator().kind { TerminatorKind::SwitchInt { - discr: Operand::Move(ref place), + discr: Operand::Copy(ref place) | Operand::Move(ref place), switch_ty, ref targets, ref values, |