Revert of [turbofan] Add alignment parameter to StackSlot operator

test/cctest/compiler/test-run-machops.cc

Index: test/cctest/compiler/test-run-machops.cc
diff --git a/test/cctest/compiler/test-run-machops.cc b/test/cctest/compiler/test-run-machops.cc
index 3da6b261d781afd70d91c71e433e17fad9cd9cc5..2092dc9c63631b4494444263245d2db4c33f7c3b 100644
--- a/test/cctest/compiler/test-run-machops.cc
+++ b/test/cctest/compiler/test-run-machops.cc
@@ -6739,34 +6739,6 @@
   CHECK_EQ(1, r.Call(1));
 }
 
-#if V8_HOST_ARCH_MIPS || V8_HOST_ARCH_MIPS64
-
-TEST(StackSlotAlignment) {
-  RawMachineAssemblerTester<int32_t> r;
-  RawMachineLabel tlabel;
-  RawMachineLabel flabel;
-  RawMachineLabel merge;
-
-  int alignments[] = {4, 8, 16};
-  int alignment_count = arraysize(alignments);
-
-  Node* alignment_counter = r.Int32Constant(0);
-  for (int i = 0; i < alignment_count; i++) {
-    for (int j = 0; j < 5; j++) {
-      Node* stack_slot =
-          r.StackSlot(MachineRepresentation::kWord32, alignments[i]);
-      alignment_counter = r.Int32Add(
-          alignment_counter,
-          r.Word32And(stack_slot, r.Int32Constant(alignments[i] - 1)));
-    }
-  }
-
-  r.Return(alignment_counter);
-  CHECK_EQ(0, r.Call(1));
-}
-
-#endif  // V8_HOST_ARCH_MIPS || V8_HOST_ARCH_MIPS64
-
 #if V8_TARGET_ARCH_64_BIT
 
 TEST(Regression5923) {