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cmd/compile: output cost while inlining function with Debug['m'] > 1

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The existing implementation outputs inline cost iff function cannot be inlined with Debug['m'] > 1, the cost info is also useful if the function is inlineable.

Fixes #36780

Change-Id: Ic96f6baf96aee25fb4b33d31d4d644dc2310e536
Reviewed-on: https://go-review.googlesource.com/c/go/+/216778
Run-TryBot: Alberto Donizetti <alb.donizetti@gmail.com>
TryBot-Result: Gobot Gobot <gobot@golang.org>
Reviewed-by: Josh Bleecher Snyder <josharian@gmail.com>
This commit is contained in:
TennyZhuang 2020-01-29 11:47:49 +08:00 • committed by Josh Bleecher Snyder
parent 26aadfa044
commit ee46f135a9
4 changed files with 6 additions and 6 deletions
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2
src/cmd/compile/internal/gc/inl.go
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@ -225,7 +225,7 @@ func caninl(fn *Node) {
fn.Type.FuncType().Nname = asTypesNode(n)
if Debug['m'] > 1 {
fmt.Printf("%v: can inline %#v as: %#v { %#v }\n", fn.Line(), n, fn.Type, asNodes(n.Func.Inl.Body))
fmt.Printf("%v: can inline %#v with cost %d as: %#v { %#v }\n", fn.Line(), n, inlineMaxBudget-visitor.budget, fn.Type, asNodes(n.Func.Inl.Body))
} else if Debug['m'] != 0 {
fmt.Printf("%v: can inline %v\n", fn.Line(), n)
}