gn build: Merge r358607

git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@358670 91177308-0d34-0410-b5e6-96231b3b80d8
diff --git a/utils/gn/secondary/llvm/lib/Transforms/Scalar/BUILD.gn b/utils/gn/secondary/llvm/lib/Transforms/Scalar/BUILD.gn
index d0e79ca..d09bb70 100644
--- a/utils/gn/secondary/llvm/lib/Transforms/Scalar/BUILD.gn
+++ b/utils/gn/secondary/llvm/lib/Transforms/Scalar/BUILD.gn
@@ -38,6 +38,7 @@
     "LoopDataPrefetch.cpp",
     "LoopDeletion.cpp",
     "LoopDistribute.cpp",
+    "LoopFuse.cpp",
     "LoopIdiomRecognize.cpp",
     "LoopInstSimplify.cpp",
     "LoopInterchange.cpp",