[llvm] [CodeGen] Fix InstructionCount remarks for MI bundles (PR #107621)

[Matt Arsenault via llvm-commits]

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@@ -0,0 +1,35 @@
+# RUN: llc -mtriple=riscv32 -verify-machineinstrs -start-before=riscv-expand-pseudo -simplify-mir -o /dev/null -pass-remarks-analysis=asm-printer %s 2>&1 | FileCheck %s
+---
+name: instrs
+tracksRegLiveness: true
+body: |
+  bb.0:
+    $x0 = ADDI $x0, 0
+    $x0 = ADDI $x0, 0
+    $x0 = ADDI $x0, 0
+    $x0 = LW $x0, 0
+    $x0 = LW $x0, 0
+    $x0 = XORI $x0, 0
+    ; CHECK: addi : 3
+    ; CHECK-NEXT: lw : 2
+    ; CHECK-NEXT: xori : 1
+    ; CHECK: 6 instructions in function
+...
+---
+name: bundles
+tracksRegLiveness: true
+body: |
+  bb.0:
+    $x0 = ADDI $x0, 0
+    BUNDLE {
+    $x0 = ADDI $x0, 0
+    $x0 = ADDI $x0, 0
+    $x0 = LW $x0, 0
+    }
+    $x0 = LW $x0, 0
+    $x0 = XORI $x0, 0
+    ; CHECK: addi : 3
+    ; CHECK-NEXT: lw : 2
+    ; CHECK-NEXT: xori : 1
+    ; CHECK: 6 instructions in function
+...
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arsenm wrote:

Add some cases with skipped meta instructions 

https://github.com/llvm/llvm-project/pull/107621