diff --git a/llvm/utils/gn/secondary/llvm/lib/Target/AMDGPU/BUILD.gn b/llvm/utils/gn/secondary/llvm/lib/Target/AMDGPU/BUILD.gn
index 4ebe5f523b312..5a946689c8ba7 100644
--- a/llvm/utils/gn/secondary/llvm/lib/Target/AMDGPU/BUILD.gn
+++ b/llvm/utils/gn/secondary/llvm/lib/Target/AMDGPU/BUILD.gn
@@ -134,6 +134,7 @@ static_library("LLVMAMDGPUCodeGen") {
     "AMDGPUCombinerHelper.cpp",
     "AMDGPUCtorDtorLowering.cpp",
     "AMDGPUExportClustering.cpp",
+    "AMDGPUFixFunctionBitcasts.cpp",
     "AMDGPUFrameLowering.cpp",
     "AMDGPUGlobalISelUtils.cpp",
     "AMDGPUHSAMetadataStreamer.cpp",