refactor to use reg.Set

2018-12-03 22:39:43 -08:00
parent faafa00e40
commit 9376a230cf
6 changed files with 118 additions and 30 deletions
--- a/ast.go
+++ b/ast.go
@@ -47,8 +47,8 @@ type Instruction struct {
 	Succ []*Instruction

 	// LiveIn/LiveOut are sets of live register IDs pre/post execution.
-	LiveIn  map[reg.ID]bool
-	LiveOut map[reg.ID]bool
+	LiveIn  reg.Set
+	LiveOut reg.Set
 }

 func (i *Instruction) node() {}