diff options
| -rw-r--r-- | cc/lto.go | 7 |
1 files changed, 3 insertions, 4 deletions
@@ -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 |