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-rw-r--r--llvm/tools/llvm-lto/llvm-lto.cpp4
1 files changed, 4 insertions, 0 deletions
diff --git a/llvm/tools/llvm-lto/llvm-lto.cpp b/llvm/tools/llvm-lto/llvm-lto.cpp
index 655e8c8379e..51767977dd0 100644
--- a/llvm/tools/llvm-lto/llvm-lto.cpp
+++ b/llvm/tools/llvm-lto/llvm-lto.cpp
@@ -109,6 +109,9 @@ static cl::opt<std::string> ThinLTOModuleId(
cl::desc("For the module ID for the file to process, useful to "
"match what is in the index."));
+static cl::opt<std::string>
+ ThinLTOCacheDir("thinlto-cache-dir", cl::desc("Enable ThinLTO caching."));
+
static cl::opt<bool>
SaveModuleFile("save-merged-module", cl::init(false),
cl::desc("Write merged LTO module to file before CodeGen"));
@@ -350,6 +353,7 @@ public:
ThinLTOProcessing(const TargetOptions &Options) {
ThinGenerator.setCodePICModel(RelocModel);
ThinGenerator.setTargetOptions(Options);
+ ThinGenerator.setCacheDir(ThinLTOCacheDir);
// Add all the exported symbols to the table of symbols to preserve.
for (unsigned i = 0; i < ExportedSymbols.size(); ++i)
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