Remove some #include from StackProtector.h; NFC

git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@304748 91177308-0d34-0410-b5e6-96231b3b80d8

lib/CodeGen/StackProtector.cpp

@@ -21,6 +21,7 @@
 #include "llvm/Analysis/OptimizationDiagnosticInfo.h"
 #include "llvm/CodeGen/Passes.h"
 #include "llvm/CodeGen/StackProtector.h"
+#include "llvm/CodeGen/TargetPassConfig.h"
 #include "llvm/IR/Attributes.h"
 #include "llvm/IR/BasicBlock.h"
 #include "llvm/IR/Constants.h"
@@ -92,6 +93,11 @@ void StackProtector::adjustForColoring(const AllocaInst *From,
   }
 }
 
+void StackProtector::getAnalysisUsage(AnalysisUsage &AU) const {
+  AU.addRequired<TargetPassConfig>();
+  AU.addPreserved<DominatorTreeWrapperPass>();
+}
+
 bool StackProtector::runOnFunction(Function &Fn) {
   F = &Fn;
   M = F->getParent();