From a1961e7eedf7613e208db55b9eb1fa51d11a50a7 Mon Sep 17 00:00:00 2001 From: Yi Kong Date: Wed, 5 Apr 2023 11:33:11 +0900 Subject: [PATCH] Prepend AFDO flags to allow overriding This enables turnning off -fprofile-sample-accurate on a per project basis. Bug: 274725934 Bug: 273415627 Test: presubmit Change-Id: I15060950f7b55e51069cb00b66512c7e94981f1b --- cc/afdo.go | 6 +++--- 1 file changed, 3 insertions(+), 3 deletions(-) diff --git a/cc/afdo.go b/cc/afdo.go index 4a8498bc7..be4f50adb 100644 --- a/cc/afdo.go +++ b/cc/afdo.go @@ -71,10 +71,10 @@ func (afdo *afdo) afdoEnabled() bool { 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) - flags.Local.CFlags = append(flags.Local.CFlags, profileUseFlag) - flags.Local.LdFlags = append(flags.Local.LdFlags, profileUseFlag) - flags.Local.LdFlags = append(flags.Local.LdFlags, "-Wl,-mllvm,-no-warn-sample-unused=true") + 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...) // Update CFlagsDeps and LdFlagsDeps so the module is rebuilt // if profileFile gets updated