[llvm] [MCAsmStreamer] Print register names in --show-inst mode (PR #171252)

[Sam Elliott via llvm-commits]

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@@ -6,32 +6,32 @@
 
 # CHECK:      subw sp, sp, #1148
 # CHECK-SAME: <MCInst #{{[0-9]+}} t2SUBspImm12
-# CHECK-NEXT: <MCOperand Reg:[[SP:[0-9]+]]>
-# CHECK-NEXT: <MCOperand Reg:[[SP]]>
+# CHECK-NEXT: <MCOperand Reg:SP>
+# CHECK-NEXT: <MCOperand Reg:SP>
 # CHECK-NEXT: <MCOperand Imm:1148>
 # CHECK-NEXT: <MCOperand Imm:14>
-# CHECK-NEXT: <MCOperand Reg:0>>
+# CHECK-NEXT: <MCOperand Reg:>>
 
 0xad 0xf2 0x7c 0x4d
 
 # CHECK:      sub.w   sp, sp, #1024
 # CHECK-SAME: <MCInst #{{[0-9]+}} t2SUBspImm
-# CHECK-NEXT: <MCOperand Reg:[[SP]]>
-# CHECK-NEXT: <MCOperand Reg:[[SP]]>
+# CHECK-NEXT: <MCOperand Reg:SP>
+# CHECK-NEXT: <MCOperand Reg:SP>
 # CHECK-NEXT: <MCOperand Imm:1024>
 # CHECK-NEXT: <MCOperand Imm:14>
-# CHECK-NEXT: <MCOperand Reg:0>
-# CHECK-NEXT: <MCOperand Reg:0>>
+# CHECK-NEXT: <MCOperand Reg:>
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lenary wrote:

This could be a follow-up.

https://github.com/llvm/llvm-project/pull/171252