Revert "Revert "DI: Fold constant arguments into a single MDString""

[oota-llvm.git] / lib / CodeGen / StackProtector.cpp

diff --git a/lib/CodeGen/StackProtector.cpp b/lib/CodeGen/StackProtector.cpp
index a63ba8c4067c8c249afc058f8ef60eada8e60e91..e478f31d54552f33eba9ece7c6cd26a1c864fff5 100644 (file)
--- a/lib/CodeGen/StackProtector.cpp
+++ b/lib/CodeGen/StackProtector.cpp
@@ -14,7 +14,6 @@
 //
 //===----------------------------------------------------------------------===//
 
-#define DEBUG_TYPE "stack-protector"
 #include "llvm/CodeGen/StackProtector.h"
 #include "llvm/ADT/SmallPtrSet.h"
 #include "llvm/ADT/Statistic.h"
@@ -34,9 +33,12 @@
 #include "llvm/IR/Intrinsics.h"
 #include "llvm/IR/Module.h"
 #include "llvm/Support/CommandLine.h"
+#include "llvm/Target/TargetSubtargetInfo.h"
 #include <cstdlib>
 using namespace llvm;
 
+#define DEBUG_TYPE "stack-protector"
+
 STATISTIC(NumFunProtected, "Number of functions protected");
 STATISTIC(NumAddrTaken, "Number of local variables that have their address"
                         " taken.");
@@ -84,10 +86,7 @@ bool StackProtector::runOnFunction(Function &Fn) {
   DominatorTreeWrapperPass *DTWP =
       getAnalysisIfAvailable<DominatorTreeWrapperPass>();
   DT = DTWP ? &DTWP->getDomTree() : nullptr;
-  TLI = TM->getTargetLowering();
-
-  if (!RequiresStackProtector())
-    return false;
+  TLI = TM->getSubtargetImpl()->getTargetLowering();
 
   Attribute Attr = Fn.getAttributes().getAttribute(
       AttributeSet::FunctionIndex, "stack-protector-buffer-size");
@@ -95,6 +94,9 @@ bool StackProtector::runOnFunction(Function &Fn) {
       Attr.getValueAsString().getAsInteger(10, SSPBufferSize))
       return false; // Invalid integer string
 
+  if (!RequiresStackProtector())
+    return false;
+
   ++NumFunProtected;
   return InsertStackProtectors();
 }