[gn build] Port 2e8ad49

Author: llvmgnsyncbot

llvm/utils/gn/secondary/llvm/lib/Transforms/Vectorize/BUILD.gn

@@ -16,7 +16,9 @@ static_library("Vectorize") {
     "SandboxVectorizer/DependencyGraph.cpp",
     "SandboxVectorizer/Interval.cpp",
     "SandboxVectorizer/Passes/BottomUpVec.cpp",
+    "SandboxVectorizer/Passes/RegionsFromMetadata.cpp",
     "SandboxVectorizer/SandboxVectorizer.cpp",
+    "SandboxVectorizer/SandboxVectorizerPassBuilder.cpp",
     "SandboxVectorizer/SeedCollector.cpp",
     "VPlan.cpp",
     "VPlanAnalysis.cpp",