diff options
Diffstat (limited to 'src/cmd/compile/internal/ssa/deadstore.go')
| -rw-r--r-- | src/cmd/compile/internal/ssa/deadstore.go | 8 |
1 files changed, 4 insertions, 4 deletions
diff --git a/src/cmd/compile/internal/ssa/deadstore.go b/src/cmd/compile/internal/ssa/deadstore.go index 0cf9931dbc..31d3f62d4e 100644 --- a/src/cmd/compile/internal/ssa/deadstore.go +++ b/src/cmd/compile/internal/ssa/deadstore.go @@ -299,7 +299,7 @@ func elimUnreadAutos(f *Func) { // Loop over all ops that affect autos taking note of which // autos we need and also stores that we might be able to // eliminate. - seen := make(map[*ir.Name]bool) + var seen ir.NameSet var stores []*Value for _, b := range f.Blocks { for _, v := range b.Values { @@ -317,7 +317,7 @@ func elimUnreadAutos(f *Func) { // If we haven't seen the auto yet // then this might be a store we can // eliminate. - if !seen[n] { + if !seen.Has(n) { stores = append(stores, v) } default: @@ -327,7 +327,7 @@ func elimUnreadAutos(f *Func) { // because dead loads haven't been // eliminated yet. if v.Uses > 0 { - seen[n] = true + seen.Add(n) } } } @@ -336,7 +336,7 @@ func elimUnreadAutos(f *Func) { // Eliminate stores to unread autos. for _, store := range stores { n, _ := store.Aux.(*ir.Name) - if seen[n] { + if seen.Has(n) { continue } |