[PATCH] D80438: [LLD/MinGW]: Expose --thinlto-cache-dir

[Tobias Hieta via Phabricator via llvm-commits]

thieta updated this revision to Diff 265854.

Repository:
  rG LLVM Github Monorepo

CHANGES SINCE LAST ACTION
  https://reviews.llvm.org/D80438/new/

https://reviews.llvm.org/D80438

Files:
  lld/MinGW/Driver.cpp
  lld/MinGW/Options.td
  lld/test/MinGW/driver.test


Index: lld/test/MinGW/driver.test
===================================================================
--- lld/test/MinGW/driver.test
+++ lld/test/MinGW/driver.test
@@ -241,3 +241,6 @@
 RUN: ld.lld -### -m i386pep foo.o --disable-runtime-pseudo-reloc | FileCheck -check-prefix DISABLE_RUNTIME_PSEUDO_RELOC %s
 RUN: ld.lld -### -m i386pep foo.o -disable-runtime-pseudo-reloc | FileCheck -check-prefix DISABLE_RUNTIME_PSEUDO_RELOC %s
 DISABLE_RUNTIME_PSEUDO_RELOC: -runtime-pseudo-reloc:no
+
+RUN: ld.lld -### foo.o -m i386pe --thinlto-cache-dir=_foo | FileCheck -check-prefix=THINLTO_CACHEDIR %s
+THINLTO_CACHEDIR: -lldltocache:_foo
Index: lld/MinGW/Options.td
===================================================================
--- lld/MinGW/Options.td
+++ lld/MinGW/Options.td
@@ -90,6 +90,8 @@
 defm pdb: Eq<"pdb", "Output PDB debug info file, chosen implicitly if the argument is empty">;
 def Xlink : J<"Xlink=">, MetaVarName<"<arg>">,
     HelpText<"Pass <arg> to the COFF linker">;
+defm thinlto_cache_dir: EqLong<"thinlto-cache-dir",
+  "Path to ThinLTO cached object file directory">;
 
 // Alias
 def alias_entry_e: JoinedOrSeparate<["-"], "e">, Alias<entry>;
Index: lld/MinGW/Driver.cpp
===================================================================
--- lld/MinGW/Driver.cpp
+++ lld/MinGW/Driver.cpp
@@ -249,6 +249,8 @@
     add("-lldmap:" + StringRef(a->getValue()));
   if (auto *a = args.getLastArg(OPT_reproduce))
     add("-reproduce:" + StringRef(a->getValue()));
+  if (auto *a = args.getLastArg(OPT_thinlto_cache_dir))
+    add("-lldltocache:" + StringRef(a->getValue()));
 
   if (auto *a = args.getLastArg(OPT_o))
     add("-out:" + StringRef(a->getValue()));


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