[gn build] Reformat all gn files

Ran `git ls-files '*.gn' '*.gni' | xargs llvm/utils/gn/gn.py format`.

llvm/utils/gn/build/BUILD.gn

@@ -306,7 +306,10 @@ config("compiler_defaults") {
   if (use_ubsan) {
     assert(is_clang && current_os == "linux",
            "ubsan only supported on Linux/Clang")
-    cflags += [ "-fsanitize=undefined", "-fno-sanitize-recover=all" ]
+    cflags += [
+      "-fsanitize=undefined",
+      "-fno-sanitize-recover=all",
+    ]
     ldflags += [ "-fsanitize=undefined" ]
   }
 

llvm/utils/gn/secondary/compiler-rt/lib/hwasan/BUILD.gn

@@ -52,8 +52,8 @@ source_set("sources") {
     "hwasan_dynamic_shadow.cpp",
     "hwasan_dynamic_shadow.h",
     "hwasan_exceptions.cpp",
-    "hwasan_fuchsia.cpp",
     "hwasan_flags.h",
+    "hwasan_fuchsia.cpp",
     "hwasan_globals.cpp",
     "hwasan_globals.h",
     "hwasan_interceptors.cpp",

llvm/utils/gn/secondary/compiler-rt/lib/scudo/standalone/BUILD.gn

@@ -17,8 +17,8 @@ source_set("sources") {
     "checksum.h",
     "chunk.h",
     "combined.h",
-    "common.h",
     "common.cpp",
+    "common.h",
     "crc32_hw.cpp",
     "flags.cpp",
     "flags.h",

llvm/utils/gn/secondary/llvm/lib/Target/ARM/BUILD.gn

@@ -58,8 +58,8 @@ static_library("LLVMARMCodeGen") {
     "//llvm/lib/Support",
     "//llvm/lib/Target",
     "//llvm/lib/Transforms/CFGuard",
-    "//llvm/lib/Transforms/Utils",
     "//llvm/lib/Transforms/IPO",
+    "//llvm/lib/Transforms/Utils",
   ]
   include_dirs = [ "." ]
   sources = [

llvm/utils/gn/secondary/llvm/tools/llvm-dwp/BUILD.gn

@@ -19,8 +19,8 @@ group("symlinks") {
 
 executable("llvm-dwp") {
   deps = [
-    "//llvm/lib/DebugInfo/DWARF",
     "//llvm/lib/DWP",
+    "//llvm/lib/DebugInfo/DWARF",
     "//llvm/lib/MC",
     "//llvm/lib/Object",
     "//llvm/lib/Support",

llvm/utils/gn/secondary/llvm/tools/llvm-sim/BUILD.gn

@@ -4,7 +4,5 @@ executable("llvm-sim") {
     "//llvm/lib/IRReader",
     "//llvm/lib/Support",
   ]
-  sources = [
+  sources = [ "llvm-sim.cpp" ]
-    "llvm-sim.cpp",
-  ]
 }

llvm/utils/gn/secondary/llvm/tools/llvm-tapi-diff/BUILD.gn

@@ -5,7 +5,7 @@ executable("llvm-tapi-diff") {
     "//llvm/lib/TextAPI",
   ]
   sources = [
-    "llvm-tapi-diff.cpp",
     "DiffEngine.cpp",
+    "llvm-tapi-diff.cpp",
   ]
 }

llvm/utils/gn/secondary/llvm/unittests/MIR/BUILD.gn

@@ -2,12 +2,11 @@ import("//llvm/utils/unittest/unittest.gni")
 
 unittest("MIRTests") {
   deps = [
-
     "//llvm/lib/CodeGen",
-    "//llvm/lib/IR",
-    "//llvm/lib/FileCheck",
-    "//llvm/lib/MC",
     "//llvm/lib/CodeGen/MIRParser",
+    "//llvm/lib/FileCheck",
+    "//llvm/lib/IR",
+    "//llvm/lib/MC",
     "//llvm/lib/Support",
     "//llvm/lib/Target",
     "//llvm/lib/Target:TargetsToBuild",

llvm/utils/gn/secondary/llvm/unittests/Passes/BUILD.gn

@@ -3,7 +3,11 @@ import("//llvm/utils/unittest/unittest.gni")
 # Keyed off LLVM_ENABLE_PLUGINS in the CMake build, which is usually false
 # on Windows and true elsewhere.
 if (host_os != "win") {
-  foreach(plugin, ["TestPlugin", "DoublerPlugin"]) {
+  foreach(plugin,
+          [
+            "TestPlugin",
+            "DoublerPlugin",
+          ]) {
     loadable_module(plugin) {
       # Put plugin next to the unit test executable.
       output_dir = target_out_dir