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cmd/compile: remove BlockDead state

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It is unused, remove the clutter.

Change-Id: I51a44326b125ef79241459c463441f76a289cc08
Reviewed-on: https://go-review.googlesource.com/22586
Reviewed-by: Brad Fitzpatrick <bradfitz@golang.org>
This commit is contained in:
Keith Randall 2016-04-28 15:04:10 -07:00
parent 3cb090f93c
commit 6ed79fbd1a
4 changed files with 1 additions and 20 deletions
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3
src/cmd/compile/internal/ssa/rewrite.go
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@ -26,9 +26,6 @@ func applyRewrite(f *Func, rb func(*Block) bool, rv func(*Value, *Config) bool)
for {
change := false
for _, b := range f.Blocks {
if b.Kind == BlockDead {
continue
}
if b.Control != nil && b.Control.Op == OpCopy {
for b.Control.Op == OpCopy {
b.SetControl(b.Control.Args[0])