fixup! fix test case

Author: michaelmaitland

llvm/test/MachineVerifier/test_g_vscale.mir

@@ -5,11 +5,11 @@ name:            g_vscale
 body: |
   bb.0:
 
-  %1:_(s32) = G_CONSTANT 4
+  %1:_(s32) = G_CONSTANT i32 4
 
   ; CHECK: G_VSCALE operand must be cimm
   %2:_(s32) = G_VSCALE %1
 
   ; CHECK: G_VSCALE immediate cannot be zero
-  %3:_(s32) = G_VSCALE 0
+  %3:_(s32) = G_VSCALE i32 0
 ...