Remove resetSubtargetFeatures as it is unused.

llvm-svn: 217071

2 files changed, 3 insertions, 22 deletions

diff --git a/llvm/lib/Target/ARM/ARMSubtarget.cpp b/llvm/lib/Target/ARM/ARMSubtarget.cpp
index 5a09ecced19..79d067e0cd7 100644
--- a/llvm/lib/Target/ARM/ARMSubtarget.cpp
+++ b/llvm/lib/Target/ARM/ARMSubtarget.cpp
@@ -148,7 +148,7 @@ static std::string computeDataLayout(ARMSubtarget &ST) {
 ARMSubtarget &ARMSubtarget::initializeSubtargetDependencies(StringRef CPU,
                                                             StringRef FS) {
   initializeEnvironment();
-  resetSubtargetFeatures(CPU, FS);
+  initSubtargetFeatures(CPU, FS);
   return *this;
 }
 
@@ -219,23 +219,7 @@ void ARMSubtarget::initializeEnvironment() {
   UnsafeFPMath = false;
 }
 
-void ARMSubtarget::resetSubtargetFeatures(const MachineFunction *MF) {
-  AttributeSet FnAttrs = MF->getFunction()->getAttributes();
-  Attribute CPUAttr = FnAttrs.getAttribute(AttributeSet::FunctionIndex,
-                                           "target-cpu");
-  Attribute FSAttr = FnAttrs.getAttribute(AttributeSet::FunctionIndex,
-                                          "target-features");
-  std::string CPU =
-    !CPUAttr.hasAttribute(Attribute::None) ?CPUAttr.getValueAsString() : "";
-  std::string FS =
-    !FSAttr.hasAttribute(Attribute::None) ? FSAttr.getValueAsString() : "";
-  if (!FS.empty()) {
-    initializeEnvironment();
-    resetSubtargetFeatures(CPU, FS);
-  }
-}
-
-void ARMSubtarget::resetSubtargetFeatures(StringRef CPU, StringRef FS) {
+void ARMSubtarget::initSubtargetFeatures(StringRef CPU, StringRef FS) {
   if (CPUString.empty()) {
     if (isTargetIOS() && TargetTriple.getArchName().endswith("v7s"))
       // Default to the Swift CPU when targeting armv7s/thumbv7s.
diff --git a/llvm/lib/Target/ARM/ARMSubtarget.h b/llvm/lib/Target/ARM/ARMSubtarget.h
index 2fdfc35a528..9d5320975e9 100644
--- a/llvm/lib/Target/ARM/ARMSubtarget.h
+++ b/llvm/lib/Target/ARM/ARMSubtarget.h
@@ -248,9 +248,6 @@ protected:
   /// subtarget options.  Definition of function is auto generated by tblgen.
   void ParseSubtargetFeatures(StringRef CPU, StringRef FS);
 
-  /// \brief Reset the features for the ARM target.
-  void resetSubtargetFeatures(const MachineFunction *MF) override;
-
   /// initializeSubtargetDependencies - Initializes using a CPU and feature string
   /// so that we can use initializer lists for subtarget initialization.
   ARMSubtarget &initializeSubtargetDependencies(StringRef CPU, StringRef FS);
@@ -282,7 +279,7 @@ private:
   std::unique_ptr<ARMFrameLowering> FrameLowering;
 
   void initializeEnvironment();
-  void resetSubtargetFeatures(StringRef CPU, StringRef FS);
+  void initSubtargetFeatures(StringRef CPU, StringRef FS);
 public:
   void computeIssueWidth();