ARM64: use hex immediates for movz/movk instructions

Since these are mostly used in "lsl #16", "lsl #32", "lsl #48" combinations to
piece together an immediate in 16-bit chunks, hex is probably the most
appropriate format.

llvm-svn: 207635
diff --git a/llvm/test/CodeGen/ARM64/memcpy-inline.ll b/llvm/test/CodeGen/ARM64/memcpy-inline.ll
index 26f5166..f921a59 100644
--- a/llvm/test/CodeGen/ARM64/memcpy-inline.ll
+++ b/llvm/test/CodeGen/ARM64/memcpy-inline.ll
@@ -75,7 +75,7 @@
 entry:
 ; CHECK-LABEL: t5:
 ; CHECK: strb wzr, [x0, #6]
-; CHECK: movz [[REG7:w[0-9]+]], #21587
+; CHECK: movz [[REG7:w[0-9]+]], #0x5453
 ; CHECK: strh [[REG7]], [x0, #4]
 ; CHECK: movz [[REG8:w[0-9]+]],
 ; CHECK: movk [[REG8]],