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cmd/compile: ignore non-code nodes when inlining

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Avoid counting nodes that don't generate code (eg, constants) against the
inlining budget.

Fixes #21749

Change-Id: I10fca073e64be7d304709ef33e125eb8c78d5e4d
Reviewed-on: https://go-review.googlesource.com/61250
Reviewed-by: Matthew Dempsky <mdempsky@google.com>
Run-TryBot: Matthew Dempsky <mdempsky@google.com>
TryBot-Result: Gobot Gobot <gobot@golang.org>
This commit is contained in:
Mark Pulford 2017-09-03 23:53:38 +10:00 committed by Matthew Dempsky
parent b2e8630f2f
commit 812b34efae
1 changed files with 4 additions and 0 deletions
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4
src/cmd/compile/internal/gc/inl.go
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@ -279,6 +279,10 @@ func (v *hairyVisitor) visit(n *Node) bool {
ORETJMP: ORETJMP:
v.reason = "unhandled op " + n.Op.String() v.reason = "unhandled op " + n.Op.String()
return true return true
case ODCLCONST, OEMPTY, OFALL, OLABEL:
// These nodes don't produce code; omit from inlining budget.
return false
} }
v.budget-- v.budget--