Merge commit '52dc406efc71' from llvm.org/master into apple/master

Author: git apple-llvm automerger

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

@@ -116,6 +116,7 @@ static_library("CodeGen") {
     "MachineSSAUpdater.cpp",
     "MachineScheduler.cpp",
     "MachineSink.cpp",
+    "MachineSizeOpts.cpp",
     "MachineTraceMetrics.cpp",
     "MachineVerifier.cpp",
     "MacroFusion.cpp",

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

@@ -20,6 +20,7 @@ unittest("CodeGenTests") {
     "MachineInstrBundleIteratorTest.cpp",
     "MachineInstrTest.cpp",
     "MachineOperandTest.cpp",
+    "MachineSizeOptsTest.cpp",
     "ScalableVectorMVTsTest.cpp",
     "TargetOptionsTest.cpp",
     "TypeTraitsTest.cpp",

llvm/utils/gn/secondary/llvm/unittests/Transforms/Utils/BUILD.gn

@@ -17,6 +17,7 @@ unittest("UtilsTests") {
     "IntegerDivisionTest.cpp",
     "LocalTest.cpp",
     "SSAUpdaterBulkTest.cpp",
+    "SizeOptsTest.cpp",
     "UnrollLoopTest.cpp",
     "ValueMapperTest.cpp",
   ]