[llvm] [MIRPrinter] Don't print line break when there is no instructions (PR #80147)

[Quentin Dian via llvm-commits]

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@@ -14,8 +14,8 @@ body:             |
     ; GFX1150-NEXT: {{  $}}
     ; GFX1150-NEXT: [[COPY:%[0-9]+]]:sreg_32 = COPY $sgpr0
     ; GFX1150-NEXT: [[COPY1:%[0-9]+]]:sreg_32 = COPY $sgpr1
-    ; GFX1150-NEXT: %2:sreg_32 = nofpexcept S_ADD_F32 [[COPY]], [[COPY1]], implicit $mode
-    ; GFX1150-NEXT: $sgpr0 = COPY %2
+    ; GFX1150-NEXT: [[S_ADD_F32_:%[0-9]+]]:sreg_32 = nofpexcept S_ADD_F32 [[COPY]], [[COPY1]], implicit $mode
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DianQK wrote:

I cleaned it up, and it looks much better now.

https://github.com/llvm/llvm-project/pull/80147