Lift alignment restrictions on load folding for a significant portion of AVX instruct...

[oota-llvm.git] / lib / Target / Hexagon / HexagonCFGOptimizer.cpp

diff --git a/lib/Target/Hexagon/HexagonCFGOptimizer.cpp b/lib/Target/Hexagon/HexagonCFGOptimizer.cpp
index 7c50596b9a568f781aa95cc566cbd0ad73b01d4b..8597f11ddde7673eaf2e6b10a53c4ecd8cfcba1b 100644 (file)
--- a/lib/Target/Hexagon/HexagonCFGOptimizer.cpp
+++ b/lib/Target/Hexagon/HexagonCFGOptimizer.cpp
@@ -26,6 +26,11 @@
 
 using namespace llvm;
 
+namespace llvm {
+  void initializeHexagonCFGOptimizerPass(PassRegistry&);
+}
+
+
 namespace {
 
 class HexagonCFGOptimizer : public MachineFunctionPass {
@@ -39,7 +44,9 @@ private:
  public:
   static char ID;
   HexagonCFGOptimizer(const HexagonTargetMachine& TM)
-    : MachineFunctionPass(ID), QTM(TM), QST(*TM.getSubtargetImpl()) {}
+    : MachineFunctionPass(ID), QTM(TM), QST(*TM.getSubtargetImpl()) {
+    initializeHexagonCFGOptimizerPass(*PassRegistry::getPassRegistry());
+  }
 
   const char *getPassName() const {
     return "Hexagon CFG Optimizer";
@@ -230,6 +237,16 @@ bool HexagonCFGOptimizer::runOnMachineFunction(MachineFunction &Fn) {
 //                         Public Constructor Functions
 //===----------------------------------------------------------------------===//
 
+static void initializePassOnce(PassRegistry &Registry) {
+  PassInfo *PI = new PassInfo("Hexagon CFG Optimizer", "hexagon-cfg",
+                              &HexagonCFGOptimizer::ID, 0, false, false);
+  Registry.registerPass(*PI, true);
+}
+
+void llvm::initializeHexagonCFGOptimizerPass(PassRegistry &Registry) {
+  CALL_ONCE_INITIALIZATION(initializePassOnce)
+}
+
 FunctionPass *llvm::createHexagonCFGOptimizer(const HexagonTargetMachine &TM) {
   return new HexagonCFGOptimizer(TM);
 }