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Commit 056effb8 authored by Vinh Tran's avatar Vinh Tran
Browse files

Add comment for afdo flag 

Change-Id: If80df0ac0527784b13158325589c29587db8d5f9
Test: N/A
parent 222995b2

cc/afdo.go

+3 −2
Original line number Diff line number Diff line
@@ -34,7 +34,8 @@ var ( 


var afdoProfileProjectsConfigKey = android.NewOnceKey("AfdoProfileProjects")



const afdoCFlagsFormat = "-fprofile-sample-use=%s"

// This flag needs to be in both CFlags and LdFlags to ensure correct symbol ordering

const afdoFlagsFormat = "-fprofile-sample-use=%s"



func recordMissingAfdoProfileFile(ctx android.BaseModuleContext, missing string) {

	getNamedMapForConfig(ctx.Config(), modulesMissingProfileFileKey).Store(missing, true)
@@ -86,7 +87,7 @@ func (afdo *afdo) flags(ctx ModuleContext, flags Flags) Flags { 
	}

	if path := afdo.Properties.FdoProfilePath; path != nil {

		// The flags are prepended to allow overriding.

		profileUseFlag := fmt.Sprintf(afdoCFlagsFormat, *path)

		profileUseFlag := fmt.Sprintf(afdoFlagsFormat, *path)

		flags.Local.CFlags = append([]string{profileUseFlag}, flags.Local.CFlags...)

		flags.Local.LdFlags = append([]string{profileUseFlag, "-Wl,-mllvm,-no-warn-sample-unused=true"}, flags.Local.LdFlags...)