[gn build] Port 7f920e2

Author: llvmgnsyncbot

llvm/utils/gn/secondary/clang/lib/CodeGen/BUILD.gn

@@ -103,6 +103,16 @@ static_library("CodeGen") {
     "PatternInit.cpp",
     "SanitizerMetadata.cpp",
     "SwiftCallingConv.cpp",
+    "TargetBuiltins/AMDGPU.cpp",
+    "TargetBuiltins/ARM.cpp",
+    "TargetBuiltins/Hexagon.cpp",
+    "TargetBuiltins/NVPTX.cpp",
+    "TargetBuiltins/PPC.cpp",
+    "TargetBuiltins/RISCV.cpp",
+    "TargetBuiltins/SPIR.cpp",
+    "TargetBuiltins/SystemZ.cpp",
+    "TargetBuiltins/WebAssembly.cpp",
+    "TargetBuiltins/X86.cpp",
     "TargetInfo.cpp",
     "Targets/AArch64.cpp",
     "Targets/AMDGPU.cpp",