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| author | Keith Randall <khr@golang.org> | 2016-01-28 13:46:30 -0800 |
|---|---|---|
| committer | Keith Randall <khr@golang.org> | 2016-01-28 22:52:42 +0000 |
| commit | 2f57d0fe024c19b1b7a86084d72e7267863415a6 (patch) | |
| tree | 3059943f68bf02870be721507954f5a05d7c029d /src/cmd/compile/internal/ssa/deadcode.go | |
| parent | 6a96a2fe5a95375e2f8cccca6d848728fef0e09f (diff) | |
| download | go-2f57d0fe024c19b1b7a86084d72e7267863415a6.tar.gz go-2f57d0fe024c19b1b7a86084d72e7267863415a6.zip | |
[dev.ssa] cmd/compile: preallocate small-numbered values and blocks
Speeds up the compiler ~5%.
Change-Id: Ia5cf0bcd58701fd14018ec77d01f03d5c7d6385b
Reviewed-on: https://go-review.googlesource.com/19060
Reviewed-by: Brad Fitzpatrick <bradfitz@golang.org>
Diffstat (limited to 'src/cmd/compile/internal/ssa/deadcode.go')
| -rw-r--r-- | src/cmd/compile/internal/ssa/deadcode.go | 6 |
1 files changed, 3 insertions, 3 deletions
diff --git a/src/cmd/compile/internal/ssa/deadcode.go b/src/cmd/compile/internal/ssa/deadcode.go index 429708213f..faf16a3816 100644 --- a/src/cmd/compile/internal/ssa/deadcode.go +++ b/src/cmd/compile/internal/ssa/deadcode.go @@ -164,7 +164,7 @@ func deadcode(f *Func) { f.Names = f.Names[:i] // Remove dead values from blocks' value list. Return dead - // value ids to the allocator. + // values to the allocator. for _, b := range f.Blocks { i := 0 for _, v := range b.Values { @@ -172,7 +172,7 @@ func deadcode(f *Func) { b.Values[i] = v i++ } else { - f.vid.put(v.ID) + f.freeValue(v) } } // aid GC @@ -197,7 +197,7 @@ func deadcode(f *Func) { b.Succs = nil b.Control = nil b.Kind = BlockDead - f.bid.put(b.ID) + f.freeBlock(b) } } // zero remainder to help GC |