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cmd/compile: use shared dom tree for cse, too

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Missed this in the previous CL where the shared
dom tree was introduced.

Change-Id: If0bd85d4b4567d7e87814ed511603b1303ab3903
Reviewed-on: https://go-review.googlesource.com/21970
Run-TryBot: Alexandru Moșoi <alexandru@mosoi.ro>
TryBot-Result: Gobot Gobot <gobot@golang.org>
Reviewed-by: David Chase <drchase@google.com>
This commit is contained in:
Alexandru Moșoi 2016-04-13 10:58:38 +02:00 • committed by Alexandru Moșoi
parent 61b7a9c57b
commit e0611b1664
3 changed files with 7 additions and 7 deletions
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5
src/cmd/compile/internal/ssa/compile.go
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@ -233,8 +233,8 @@ var passes = [...]pass{
{name: "opt", fn: opt, required: true}, // TODO: split required rules and optimizing rules
{name: "zero arg cse", fn: zcse, required: true}, // required to merge OpSB values
{name: "opt deadcode", fn: deadcode, required: true}, // remove any blocks orphaned during opt
{name: "generic cse", fn: cse},
{name: "generic domtree", fn: domTree},
{name: "generic cse", fn: cse},
{name: "phiopt", fn: phiopt},
{name: "nilcheckelim", fn: nilcheckelim},
{name: "prove", fn: prove},
@ -289,7 +289,8 @@ var passOrder = [...]constraint{
{"opt", "nilcheckelim"},
// tighten should happen before lowering to avoid splitting naturally paired instructions such as CMP/SET
{"tighten", "lower"},
// nilcheckelim, prove and loopbce share idom.
// cse, nilcheckelim, prove and loopbce share idom.
{"generic domtree", "generic cse"},
{"generic domtree", "nilcheckelim"},
{"generic domtree", "prove"},
{"generic domtree", "loopbce"},