[gn build] Port 7aa3cad46ac3

diff --git a/llvm/utils/gn/secondary/llvm/lib/Target/NVPTX/BUILD.gn b/llvm/utils/gn/secondary/llvm/lib/Target/NVPTX/BUILD.gn
index e0145fe..7ca9032 100644 (file)
--- a/llvm/utils/gn/secondary/llvm/lib/Target/NVPTX/BUILD.gn
+++ b/llvm/utils/gn/secondary/llvm/lib/Target/NVPTX/BUILD.gn
@@ -30,6 +30,7 @@ static_library("LLVMNVPTXCodeGen") {
     "NVPTXAllocaHoisting.cpp",
     "NVPTXAsmPrinter.cpp",
     "NVPTXAssignValidGlobalNames.cpp",
+    "NVPTXAtomicLower.cpp",
     "NVPTXFrameLowering.cpp",
     "NVPTXGenericToNVVM.cpp",
     "NVPTXISelDAGToDAG.cpp",