[NFC] Drop memref:: before alloc/alloca ops inside

NormalizeMemRefs.cpp

Drop `memref::` before references to alloc/alloca ops as we are inside
MemRef/Transforms directory.

Author: arnab-polymage

mlir/lib/Dialect/MemRef/Transforms/NormalizeMemRefs.cpp

@@ -165,7 +165,7 @@ bool NormalizeMemRefs::areMemRefsNormalizable(func::FuncOp funcOp) {
     return true;
 
   if (funcOp
-          .walk([&](memref::AllocOp allocOp) -> WalkResult {
+          .walk([&](AllocOp allocOp) -> WalkResult {
             Value oldMemRef = allocOp.getResult();
             if (!allocOp.getType().getLayout().isIdentity() &&
                 !isMemRefNormalizable(oldMemRef.getUsers()))
@@ -176,7 +176,7 @@ bool NormalizeMemRefs::areMemRefsNormalizable(func::FuncOp funcOp) {
     return false;
 
   if (funcOp
-          .walk([&](memref::AllocaOp allocaOp) -> WalkResult {
+          .walk([&](AllocaOp allocaOp) -> WalkResult {
             Value oldMemRef = allocaOp.getResult();
             if (!allocaOp.getType().getLayout().isIdentity() &&
                 !isMemRefNormalizable(oldMemRef.getUsers()))
@@ -354,16 +354,6 @@ void NormalizeMemRefs::normalizeFuncOpMemRefs(func::FuncOp funcOp,
   // Turn memrefs' non-identity layouts maps into ones with identity. Collect
   // alloc/alloca ops first and then process since normalizeMemRef
   // replaces/erases ops during memref rewriting.
-<<<<<<< Updated upstream
-  SmallVector<memref::AllocOp, 4> allocOps;
-  funcOp.walk([&](memref::AllocOp op) { allocOps.push_back(op); });
-  for (memref::AllocOp allocOp : allocOps)
-    (void)normalizeMemRef(allocOp);
-
-  SmallVector<memref::AllocaOp> allocaOps;
-  funcOp.walk([&](memref::AllocaOp op) { allocaOps.push_back(op); });
-  for (memref::AllocaOp allocaOp : allocaOps)
-=======
   SmallVector<AllocOp, 4> allocOps;
   funcOp.walk([&](AllocOp op) { allocOps.push_back(op); });
   for (AllocOp allocOp : allocOps)
@@ -372,7 +362,6 @@ void NormalizeMemRefs::normalizeFuncOpMemRefs(func::FuncOp funcOp,
   SmallVector<AllocaOp> allocaOps;
   funcOp.walk([&](AllocaOp op) { allocaOps.push_back(op); });
   for (AllocaOp allocaOp : allocaOps)
->>>>>>> Stashed changes
     (void)normalizeMemRef(allocaOp);
 
   // Turn memrefs' non-identity layouts maps into ones with identity. Collect