Add a --save-temps option.
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@51760 91177308-0d34-0410-b5e6-96231b3b80d8
diff --git a/tools/llvmc2/CompilationGraph.cpp b/tools/llvmc2/CompilationGraph.cpp
index df1f239..9cdcac3 100644
--- a/tools/llvmc2/CompilationGraph.cpp
+++ b/tools/llvmc2/CompilationGraph.cpp
@@ -139,8 +139,17 @@
namespace {
sys::Path MakeTempFile(const sys::Path& TempDir, const std::string& BaseName,
const std::string& Suffix) {
- sys::Path Out = TempDir;
- Out.appendComponent(BaseName);
+ sys::Path Out;
+
+ // Make sure we don't end up with path names like '/file.o' if the
+ // TempDir is empty.
+ if (TempDir.empty()) {
+ Out.set(BaseName);
+ }
+ else {
+ Out = TempDir;
+ Out.appendComponent(BaseName);
+ }
Out.appendSuffix(Suffix);
Out.makeUnique(true, NULL);
return Out;