New experimental/undocumented feature: 'works_on_empty'.
For now, just enough support to make -filelist work.
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@96918 91177308-0d34-0410-b5e6-96231b3b80d8
diff --git a/lib/CompilerDriver/CompilationGraph.cpp b/lib/CompilerDriver/CompilationGraph.cpp
index 524607b..a36d3fb 100644
--- a/lib/CompilerDriver/CompilationGraph.cpp
+++ b/lib/CompilerDriver/CompilationGraph.cpp
@@ -313,7 +313,7 @@
JoinTool* JT = &dynamic_cast<JoinTool&>(*CurNode->ToolPtr.getPtr());
// Are there any files in the join list?
- if (JT->JoinListEmpty())
+ if (JT->JoinListEmpty() && !(JT->WorksOnEmpty() && InputFilenames.empty()))
continue;
Action CurAction = JT->GenerateAction(CurNode->HasChildren(),
diff --git a/lib/CompilerDriver/Main.cpp b/lib/CompilerDriver/Main.cpp
index 3a3487a..9687707 100644
--- a/lib/CompilerDriver/Main.cpp
+++ b/lib/CompilerDriver/Main.cpp
@@ -126,10 +126,6 @@
return 0;
}
- if (InputFilenames.empty()) {
- throw std::runtime_error("no input files");
- }
-
if (Time) {
GlobalTimeLog = new std::stringstream;
GlobalTimeLog->precision(2);