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/ASTUnit.cpp b/lib/Frontend/ASTUnit.cpp
index 28000bb..68e7ac1 100644
--- a/lib/Frontend/ASTUnit.cpp
+++ b/lib/Frontend/ASTUnit.cpp
@@ -334,6 +334,8 @@
"Invocation must have exactly one source file!");
assert(Clang.getFrontendOpts().Inputs[0].first != IK_AST &&
"FIXME: AST inputs not yet supported here!");
+ assert(Clang.getFrontendOpts().Inputs[0].first != IK_LLVM_IR &&
+ "IR inputs not support here!");
// Create the AST unit.
AST.reset(new ASTUnit(false));
diff --git a/lib/Frontend/CompilerInvocation.cpp b/lib/Frontend/CompilerInvocation.cpp
index df2bb28..026a92c 100644
--- a/lib/Frontend/CompilerInvocation.cpp
+++ b/lib/Frontend/CompilerInvocation.cpp
@@ -287,6 +287,7 @@
case IK_Asm: return "assembler-with-cpp";
case IK_C: return "c";
case IK_CXX: return "c++";
+ case IK_LLVM_IR: return "ir";
case IK_ObjC: return "objective-c";
case IK_ObjCXX: return "objective-c++";
case IK_OpenCL: return "cl";
@@ -1022,6 +1023,7 @@
.Case("c++-header", IK_CXX)
.Case("objective-c++-header", IK_ObjCXX)
.Case("ast", IK_AST)
+ .Case("ir", IK_LLVM_IR)
.Default(IK_None);
if (DashX == IK_None)
Diags.Report(diag::err_drv_invalid_value)
@@ -1141,6 +1143,7 @@
switch (IK) {
case IK_None:
case IK_AST:
+ case IK_LLVM_IR:
assert(0 && "Invalid input kind!");
case IK_OpenCL:
LangStd = LangStandard::lang_opencl;
@@ -1401,7 +1404,7 @@
ParseDiagnosticArgs(Res.getDiagnosticOpts(), *Args, Diags);
InputKind DashX = ParseFrontendArgs(Res.getFrontendOpts(), *Args, Diags);
ParseHeaderSearchArgs(Res.getHeaderSearchOpts(), *Args);
- if (DashX != IK_AST)
+ if (DashX != IK_AST && DashX != IK_LLVM_IR)
ParseLangArgs(Res.getLangOpts(), *Args, DashX, Diags);
ParsePreprocessorArgs(Res.getPreprocessorOpts(), *Args, Diags);
ParsePreprocessorOutputArgs(Res.getPreprocessorOutputOpts(), *Args);
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.
diff --git a/lib/Frontend/FrontendOptions.cpp b/lib/Frontend/FrontendOptions.cpp
index ef4c3fa..9dfee24 100644
--- a/lib/Frontend/FrontendOptions.cpp
+++ b/lib/Frontend/FrontendOptions.cpp
@@ -26,5 +26,6 @@
.Cases("C", "cc", "cp", IK_CXX)
.Cases("cpp", "CPP", "c++", "cxx", "hpp", IK_CXX)
.Case("cl", IK_OpenCL)
+ .Cases("ll", "bc", IK_LLVM_IR)
.Default(IK_C);
}