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-rw-r--r--utils/TableGen/RegisterInfoEmitter.cpp3
1 files changed, 2 insertions, 1 deletions
diff --git a/utils/TableGen/RegisterInfoEmitter.cpp b/utils/TableGen/RegisterInfoEmitter.cpp
index 13a85f784f..2f9a7dded5 100644
--- a/utils/TableGen/RegisterInfoEmitter.cpp
+++ b/utils/TableGen/RegisterInfoEmitter.cpp
@@ -51,7 +51,8 @@ void RegisterInfoEmitter::runHeader(std::ostream &OS) {
const std::string &TargetName = Target.getName();
std::string ClassName = TargetName + "GenRegisterInfo";
- OS << "#include \"llvm/Target/MRegisterInfo.h\"\n\n";
+ OS << "#include \"llvm/Target/MRegisterInfo.h\"\n";
+ OS << "#include <string>\n\n";
OS << "namespace llvm {\n\n";