[gn] port d994487 (llvm-ir2vec)

Author: nico

llvm/utils/gn/secondary/llvm/test/BUILD.gn

@@ -286,6 +286,7 @@ group("test") {
     "//llvm/tools/llvm-extract",
     "//llvm/tools/llvm-gsymutil:llvm-gsymutil",
     "//llvm/tools/llvm-ifs",
+    "//llvm/tools/llvm-ir2vec",
     "//llvm/tools/llvm-isel-fuzzer",
     "//llvm/tools/llvm-jitlink",
     "//llvm/tools/llvm-jitlink/llvm-jitlink-executor",

llvm/utils/gn/secondary/llvm/tools/llvm-ir2vec/BUILD.gn

@@ -0,0 +1,9 @@
+executable("llvm-ir2vec") {
+  deps = [
+    "//llvm/lib/Analysis",
+    "//llvm/lib/IR",
+    "//llvm/lib/IRReader",
+    "//llvm/lib/Support",
+  ]
+  sources = [ "llvm-ir2vec.cpp" ]
+}