[Perf] Windows/x86: 1 Regression on 2/12/2026 12:06:22 AM +00:00

### Run Information

Name | Value
-- | --
Architecture | x86
OS | Windows 10.0.22631
Queue | ViperWindows
Baseline | [964b374c0670386aa91f923ff3f842a806c3be93](https://github.com/dotnet/runtime/commit/964b374c0670386aa91f923ff3f842a806c3be93)
Compare | [6fbc0b6b2ba0795eeb7510a7b57ee7aaf31da38e](https://github.com/dotnet/runtime/commit/6fbc0b6b2ba0795eeb7510a7b57ee7aaf31da38e)
Diff | [Diff](https://github.com/dotnet/runtime/compare/964b374c0670386aa91f923ff3f842a806c3be93...6fbc0b6b2ba0795eeb7510a7b57ee7aaf31da38e)
Configs | CompilationMode:tiered, RunKind:micro

### Regressions in PerfLabTests.LowLevelPerf

Benchmark | Baseline | Test | Test/Base | Test Quality | Edge Detector | Baseline IR | Compare IR | IR Ratio
-- | -- | -- | -- | -- | -- | -- | -- | --
|

• [ClassVirtualMethod - Duration of single invocation]()
• 📝 - [Benchmark Source]()
• [ADX - Test Multi Config Graph]()

| 135.50 μs | 162.54 μs | 1.20 | 0.11 | False | | |

[Test Report]()

### Repro
General Docs link: https://github.com/dotnet/performance/blob/main/docs/benchmarking-workflow-dotnet-runtime.md

```cmd
git clone https://github.com/dotnet/performance.git
py .\performance\scripts\benchmarks_ci.py -f net8.0 --filter 'PerfLabTests.LowLevelPerf*'
```

### PerfLabTests.LowLevelPerf.ClassVirtualMethod

#### ETL Files

#### Histogram

#### JIT Disasms

### Docs

[Profiling workflow for dotnet/runtime repository](https://github.com/dotnet/performance/blob/master/docs/profiling-workflow-dotnet-runtime.md)
[Benchmarking workflow for dotnet/runtime repository](https://github.com/dotnet/performance/blob/master/docs/benchmarking-workflow-dotnet-runtime.md)