diff options
Diffstat (limited to 'lld/COFF/Driver.cpp')
| -rw-r--r-- | lld/COFF/Driver.cpp | 6 |
1 files changed, 6 insertions, 0 deletions
diff --git a/lld/COFF/Driver.cpp b/lld/COFF/Driver.cpp index 62c0b49ac01..8076efe51bf 100644 --- a/lld/COFF/Driver.cpp +++ b/lld/COFF/Driver.cpp @@ -1049,6 +1049,7 @@ void LinkerDriver::link(ArrayRef<const char *> ArgsArr) { bool DoGC = !Args.hasArg(OPT_debug) || Args.hasArg(OPT_profile); unsigned ICFLevel = Args.hasArg(OPT_profile) ? 0 : 1; // 0: off, 1: limited, 2: on + unsigned TailMerge = 1; for (auto *Arg : Args.filtered(OPT_opt)) { std::string Str = StringRef(Arg->getValue()).lower(); SmallVector<StringRef, 1> Vec; @@ -1062,6 +1063,10 @@ void LinkerDriver::link(ArrayRef<const char *> ArgsArr) { ICFLevel = 2; } else if (S == "noicf") { ICFLevel = 0; + } else if (S == "lldtailmerge") { + TailMerge = 2; + } else if (S == "nolldtailmerge") { + TailMerge = 0; } else if (S.startswith("lldlto=")) { StringRef OptLevel = S.substr(7); if (OptLevel.getAsInteger(10, Config->LTOOptLevel) || @@ -1090,6 +1095,7 @@ void LinkerDriver::link(ArrayRef<const char *> ArgsArr) { ICFLevel = 0; Config->DoGC = DoGC; Config->DoICF = ICFLevel > 0; + Config->TailMerge = (TailMerge == 1 && Config->DoICF) || TailMerge == 2; // Handle /lldsavetemps if (Args.hasArg(OPT_lldsavetemps)) |
