From 2b74755ec5266ed828218fc877b4c6dc071987bf Mon Sep 17 00:00:00 2001
From: Simon Pilgrim <llvm-dev@redking.me.uk>
Date: Sun, 12 Apr 2020 14:30:52 +0100
Subject: [PATCH] TrigramIndex.h - remove unnecessary StringMap.h include. NFC

Include StringRef.h inside TrigramIndex.cpp as thats the only part of StringMap.h that is actually required.
---
 llvm/include/llvm/Support/TrigramIndex.h | 1 -
 llvm/lib/Support/TrigramIndex.cpp        | 1 +
 2 files changed, 1 insertion(+), 1 deletion(-)

diff --git a/llvm/include/llvm/Support/TrigramIndex.h b/llvm/include/llvm/Support/TrigramIndex.h
index 9351c2db169a..d635694eb5fd 100644
--- a/llvm/include/llvm/Support/TrigramIndex.h
+++ b/llvm/include/llvm/Support/TrigramIndex.h
@@ -27,7 +27,6 @@
 #define LLVM_SUPPORT_TRIGRAMINDEX_H
 
 #include "llvm/ADT/SmallVector.h"
-#include "llvm/ADT/StringMap.h"
 
 #include <string>
 #include <unordered_map>
diff --git a/llvm/lib/Support/TrigramIndex.cpp b/llvm/lib/Support/TrigramIndex.cpp
index 94810b56db8e..88375e6e7863 100644
--- a/llvm/lib/Support/TrigramIndex.cpp
+++ b/llvm/lib/Support/TrigramIndex.cpp
@@ -16,6 +16,7 @@
 
 #include "llvm/Support/TrigramIndex.h"
 #include "llvm/ADT/SmallVector.h"
+#include "llvm/ADT/StringRef.h"
 
 #include <set>
 #include <string>