1 files changed, 16 insertions, 1 deletions
diff --git a/llvm/lib/Target/Hexagon/HexagonVectorLoopCarriedReuse.cpp b/llvm/lib/Target/Hexagon/HexagonVectorLoopCarriedReuse.cpp
index aeff5f8d3e4..a0fdc70e141 100644
--- a/llvm/lib/Target/Hexagon/HexagonVectorLoopCarriedReuse.cpp
+++ b/llvm/lib/Target/Hexagon/HexagonVectorLoopCarriedReuse.cpp
@@ -340,6 +340,21 @@ bool HexagonVectorLoopCarriedReuse::isEquivalentOperation(Instruction *I1,
         return false;
     }
   }
+
+  // If both the Instructions are of Vector Type and any of the element
+  // is integer constant, check their values too for equivalence.
+  if (I1->getType()->isVectorTy() && I2->getType()->isVectorTy()) {
+    unsigned NumOperands = I1->getNumOperands();
+    for (unsigned i = 0; i < NumOperands; ++i) {
+      ConstantInt *C1 = dyn_cast<ConstantInt>(I1->getOperand(i));
+      ConstantInt *C2 = dyn_cast<ConstantInt>(I2->getOperand(i));
+      if(!C1) continue;
+      assert(C2);
+      if (C1->getSExtValue() != C2->getSExtValue())
+        return false;
+    }
+  }
+
   return true;
 }
 
@@ -520,7 +535,7 @@ bool HexagonVectorLoopCarriedReuse::doVLCR() {
   assert((CurLoop->getNumBlocks() == 1) &&
          "Can do VLCR only on single block loops");
 
-  bool Changed;
+  bool Changed = false;
   bool Continue;
 
   DEBUG(dbgs() << "Working on Loop: " << *CurLoop->getHeader() << "\n");