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Commit 97f68587 authored by Chungro Lee's avatar Chungro Lee Committed by Priyanka Advani
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Revert^3 "Enable full LTO optimization by default" 

7549990a

Reason for revert: b/331528903
Change-Id: Idb013e97c84aeaf969522dc77abf94f23f721181
parent 7549990a

cc/lto.go

+6 −5
Original line number Diff line number Diff line
@@ -54,9 +54,6 @@ type LTOProperties struct { 


	// Use -fwhole-program-vtables cflag.

	Whole_program_vtables *bool



	// Use --lto-O0 flag.

	Lto_O0 *bool

}



type lto struct {
@@ -113,8 +110,12 @@ func (lto *lto) flags(ctx ModuleContext, flags Flags) Flags { 
		ltoCFlags := []string{"-flto=thin", "-fsplit-lto-unit"}

		var ltoLdFlags []string



		// Do not perform costly LTO optimizations for Eng builds.

		if Bool(lto.Properties.Lto_O0) || ctx.Config().Eng() {

		// The module did not explicitly turn on LTO. Only leverage LTO's

		// better dead code elimination and CFG simplification, but do

		// not perform costly optimizations for a balance between compile

		// time, binary size and performance.

		// Apply the same for Eng builds as well.

		if !lto.ThinLTO() || ctx.Config().Eng() {

			ltoLdFlags = append(ltoLdFlags, "-Wl,--lto-O0")

		}