Merge commit 'cc15e2e3af67' from apple/master into swift/master-next

git apple-llvm automerger · git apple-llvm automerger · commit 03e3f42e482a · 2019-10-21T17:43:38.000Z
diff --git a/llvm/include/llvm/CodeGen/MachinePipeliner.h b/llvm/include/llvm/CodeGen/MachinePipeliner.h
@@ -40,6 +40,8 @@
 #ifndef LLVM_LIB_CODEGEN_MACHINEPIPELINER_H
 #define LLVM_LIB_CODEGEN_MACHINEPIPELINER_H
 
+#include "llvm/Analysis/AliasAnalysis.h"
+
 #include "llvm/CodeGen/MachineDominators.h"
 #include "llvm/CodeGen/RegisterClassInfo.h"
 #include "llvm/CodeGen/ScheduleDAGInstrs.h"
