[DebugInfo] Unify ChecksumKind and Checksum value in DIFile

Rather than encode the absence of a checksum with a Kind variant, instead put
both the kind and value in a struct and wrap it in an Optional.

Differential Revision: http://reviews.llvm.org/D43043

llvm-svn: 324928

1 files changed, 2 insertions, 2 deletions

diff --git a/llvm/lib/IR/DIBuilder.cpp b/llvm/lib/IR/DIBuilder.cpp
index f9aca8afec9..8cb95d2871d 100644
--- a/llvm/lib/IR/DIBuilder.cpp
+++ b/llvm/lib/IR/DIBuilder.cpp
@@ -204,8 +204,8 @@ DIImportedEntity *DIBuilder::createImportedDeclaration(DIScope *Context,
 }
 
 DIFile *DIBuilder::createFile(StringRef Filename, StringRef Directory,
-                              DIFile::ChecksumKind CSKind, StringRef Checksum) {
-  return DIFile::get(VMContext, Filename, Directory, CSKind, Checksum);
+                              Optional<DIFile::ChecksumInfo<StringRef>> CS) {
+  return DIFile::get(VMContext, Filename, Directory, CS);
 }
 
 DIMacro *DIBuilder::createMacro(DIMacroFile *Parent, unsigned LineNumber,