Merge "Tweak ThinLTO inling heuristics in absense of PGO profile"

			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