[Hexagon] Fix test after 9d7df23

Author: alinas

llvm/test/CodeGen/Hexagon/isel/isel-tfrrp.ll

@@ -2,6 +2,7 @@
 ; The constant 0 is generated by a transfer immediate instruction.
 
 ; RUN: llc -march=hexagon -debug-only=isel 2>&1 < %s - | FileCheck %s
+; REQUIRES: asserts
 
 ; CHECK: [[R0:%[0-9]+]]:intregs = A2_tfrsi 0
 ; CHECK-NEXT: predregs = C2_tfrrp killed [[R0]]:intregs