Stowage/go
2
0
Fork 0
mirror of https://github.com/golang/go.git synced 2025-12-08 06:10:04 +00:00
Code Issues Projects Releases Packages Wiki Activity

cmd/compile: allow disable of PGO function value devirtualization with flag

Browse source 
Extend the pgodevirtualize debug flag to distinguish interface and
function devirtualization. Setting 1 keeps interface devirtualization
enabled but disables function value devirtualization.

For #64209.

Change-Id: I33aa7eb95ca0bdb215256d8c7cc8f9dac53ae30e
Reviewed-on: https://go-review.googlesource.com/c/go/+/543115
Reviewed-by: Cherry Mui <cherryyz@google.com>
LUCI-TryBot-Result: Go LUCI <golang-scoped@luci-project-accounts.iam.gserviceaccount.com>
This commit is contained in:
Michael Pratt 2023-11-16 13:00:55 -05:00
parent 3fd5c357a3
commit 1ab9df4849
3 changed files with 10 additions and 2 deletions
Download patch file Download diff file Expand all files Collapse all files

2
src/cmd/compile/internal/base/debug.go
View file

@ -61,7 +61,7 @@ type DebugFlags struct {
PGOInline int `help:"enable profile-guided inlining" concurrent:"ok"`
PGOInlineCDFThreshold string `help:"cumulative threshold percentage for determining call sites as hot candidates for inlining" concurrent:"ok"`
PGOInlineBudget int `help:"inline budget for hot functions" concurrent:"ok"`
PGODevirtualize int `help:"enable profile-guided devirtualization" concurrent:"ok"`
PGODevirtualize int `help:"enable profile-guided devirtualization; 0 to disable, 1 to enable interface devirtualization, 2 to enable function devirtualization" concurrent:"ok"`
RangeFuncCheck int `help:"insert code to check behavior of range iterator functions" concurrent:"ok"`
WrapGlobalMapDbg int `help:"debug trace output for global map init wrapping"`
WrapGlobalMapCtl int `help:"global map init wrap control (0 => default, 1 => off, 2 => stress mode, no size cutoff)"`