[Perf] Windows/x86: 1 Regression on 3/1/2026 12:31:51 PM +00:00

### Run Information

Name | Value
-- | --
Architecture | x86
OS | Windows 10.0.22631
Queue | ViperWindows
Baseline | [348ad67a2c1e3349b7c9fda78d2ba929de125921](https://github.com/dotnet/runtime/commit/348ad67a2c1e3349b7c9fda78d2ba929de125921)
Compare | [f1b1b935ee5bafd149ae08e4db302f3651e47589](https://github.com/dotnet/runtime/commit/f1b1b935ee5bafd149ae08e4db302f3651e47589)
Diff | [Diff](https://github.com/dotnet/runtime/compare/348ad67a2c1e3349b7c9fda78d2ba929de125921...f1b1b935ee5bafd149ae08e4db302f3651e47589)
Configs | CompilationMode:tiered, RunKind:micro

### Regressions in System.Numerics.Tensors.Tests.Perf_BinaryIntegerTensorPrimitives<Int32>

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

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

| 10.76 ns | 12.31 ns | 1.14 | 0.52 | 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 'System.Numerics.Tensors.Tests.Perf_BinaryIntegerTensorPrimitives*'
```

### System.Numerics.Tensors.Tests.Perf_BinaryIntegerTensorPrimitives<Int32>.ShiftLeft(BufferLength: 128)

#### 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)