diff --git a/llvm/utils/gn/secondary/llvm/lib/CodeGen/BUILD.gn b/llvm/utils/gn/secondary/llvm/lib/CodeGen/BUILD.gn
index 45aac8741f6b3..f68b309c97cb9 100644
--- a/llvm/utils/gn/secondary/llvm/lib/CodeGen/BUILD.gn
+++ b/llvm/utils/gn/secondary/llvm/lib/CodeGen/BUILD.gn
@@ -66,6 +66,7 @@ static_library("CodeGen") {
     "InterleavedAccessPass.cpp",
     "InterleavedLoadCombinePass.cpp",
     "IntrinsicLowering.cpp",
+    "JMCInstrumenter.cpp",
     "LLVMTargetMachine.cpp",
     "LatencyPriorityQueue.cpp",
     "LazyMachineBlockFrequencyInfo.cpp",