Switch ProcessASTInputFile to still use ParseAST.
- Currently this requires us to fake an input file.
- This allows Sema to be keep all the logic for how to pull decls out of the external AST source and how to handle things like tentative definitions.
git-svn-id: https://llvm.org/svn/llvm-project/cfe/trunk@82432 91177308-0d34-0410-b5e6-96231b3b80d8
diff --git a/test/Frontend/ast-codegen.c b/test/Frontend/ast-codegen.c
index 795be92..1fe74d4 100644
--- a/test/Frontend/ast-codegen.c
+++ b/test/Frontend/ast-codegen.c
@@ -3,3 +3,10 @@
// CHECK: module asm "foo"
__asm__("foo");
+
+// CHECK: @g0 = common global i32 0, align 4
+int g0;
+
+// CHECK: define i32 @f0()
+int f0() {
+}
diff --git a/tools/clang-cc/clang-cc.cpp b/tools/clang-cc/clang-cc.cpp
index 6c2f1d6..3e7c026 100644
--- a/tools/clang-cc/clang-cc.cpp
+++ b/tools/clang-cc/clang-cc.cpp
@@ -2181,14 +2181,17 @@
return;
}
- // Stream the input AST to the consumer.
- Consumer->Initialize(AST->getASTContext());
- AST->getASTContext()
- .getExternalSource()->StartTranslationUnit(Consumer.get());
- Consumer->HandleTranslationUnit(AST->getASTContext());
+ // Set the main file ID to an empty file.
+ //
+ // FIXME: We probably shouldn't need this, but for now this is the simplest
+ // way to reuse the logic in ParseAST.
+ const char *EmptyStr = "";
+ llvm::MemoryBuffer *SB =
+ llvm::MemoryBuffer::getMemBuffer(EmptyStr, EmptyStr, "<dummy input>");
+ AST->getSourceManager().createMainFileIDForMemBuffer(SB);
- // FIXME: Tentative decls and #pragma weak aren't going to get handled
- // correctly here.
+ // Stream the input AST to the consumer.
+ ParseAST(PP, Consumer.get(), AST->getASTContext(), Stats);
// Release the consumer and the AST, in that order since the consumer may
// perform actions in its destructor which require the context.