Donate to e Foundation | Murena handsets with /e/OS | Own a part of Murena! Learn more

Commit 90660c08 authored by Yi Kong's avatar Yi Kong Committed by Automerger Merge Worker
Browse files

Merge "Tweak ThinLTO inling heuristics in absense of PGO profile" am:... 

Merge "Tweak ThinLTO inling heuristics in absense of PGO profile" am: 76a5ba81 am: 280fdb96 am: 5499f46e am: cb89f96b

Original change: https://android-review.googlesource.com/c/platform/build/soong/+/1433954

Change-Id: I05c9c1ca64349bcc920d54608b27b234ebe0be5b
parents 749ccad3 cb89f96b

cc/lto.go

+3 −4
Original line number Diff line number Diff line
@@ -117,12 +117,11 @@ func (lto *lto) flags(ctx BaseModuleContext, flags Flags) Flags { 
			flags.Local.LdFlags = append(flags.Local.LdFlags, cachePolicyFormat+policy)

		}



		// If the module does not have a profile, be conservative and do not inline

		// or unroll loops during LTO, in order to prevent significant size bloat.

		// If the module does not have a profile, be conservative and limit cross TU inline

		// limit to 5 LLVM IR instructions, to balance binary size increase and performance.

		if !ctx.isPgoCompile() {

			flags.Local.LdFlags = append(flags.Local.LdFlags,

				"-Wl,-plugin-opt,-inline-threshold=0",

				"-Wl,-plugin-opt,-unroll-threshold=0")

				"-Wl,-plugin-opt,-import-instr-limit=5")

		}

	}

	return flags