Frontend: Add FrontendAction support for handling LLVM IR inputs.
- These inputs follow an abbreviated execution path, but are still worth handling by FrontendAction so they reuse all the other clang -cc1 features.
git-svn-id: https://llvm.org/svn/llvm-project/cfe/trunk@105582 91177308-0d34-0410-b5e6-96231b3b80d8
diff --git a/lib/Frontend/FrontendAction.cpp b/lib/Frontend/FrontendAction.cpp
index 56676e1..b761f30 100644
--- a/lib/Frontend/FrontendAction.cpp
+++ b/lib/Frontend/FrontendAction.cpp
@@ -75,11 +75,28 @@
return true;
}
- // Setup the file and source managers, if needed, and the preprocessor.
+ // Set up the file and source managers, if needed.
if (!CI.hasFileManager())
CI.createFileManager();
if (!CI.hasSourceManager())
CI.createSourceManager();
+
+ // IR files bypass the rest of initialization.
+ if (InputKind == IK_LLVM_IR) {
+ assert(hasIRSupport() &&
+ "This action does not have IR file support!");
+
+ // Inform the diagnostic client we are processing a source file.
+ CI.getDiagnosticClient().BeginSourceFile(CI.getLangOpts(), 0);
+
+ // Initialize the action.
+ if (!BeginSourceFileAction(CI, Filename))
+ goto failure;
+
+ return true;
+ }
+
+ // Set up the preprocessor.
CI.createPreprocessor();
// Inform the diagnostic client we are processing a source file.