Regression in multiple benchmarks from value numbering

### Run Information

Architecture | x64
-- | --
OS | Windows 10.0.19042
Baseline | [9e5bb6526f968ceb2223fe81e2ad84fcc290c778](https://github.com/dotnet/runtime/commit/9e5bb6526f968ceb2223fe81e2ad84fcc290c778)
Compare | [704f023147b49692cec842427b116e9ee7e64305](https://github.com/dotnet/runtime/commit/704f023147b49692cec842427b116e9ee7e64305)
Diff | [Diff](https://github.com/dotnet/runtime/compare/9e5bb6526f968ceb2223fe81e2ad84fcc290c778...704f023147b49692cec842427b116e9ee7e64305)


### Regressions in System.Text.Encodings.Web.Tests.Perf_Encoders

Benchmark | Baseline | Test | Test/Base | Test Quality | Edge Detector | Baseline IR | Compare IR | IR Ratio | Baseline ETL | Compare ETL
-- | -- | -- | -- | -- | -- | -- | -- | -- | -- | --
[EncodeUtf8 - Duration of single invocation](<https://pvscmdupload.blob.core.windows.net/reports/allTestHistory/refs/heads/main_x64_Windows 10.0.19042/amd/System.Text.Encodings.Web.Tests.Perf_Encoders.EncodeUtf8(arguments%3a%20UnsafeRelaxed%2cno%20(escaping%20%2f)%20required%2c16).html>) | 13.98 ns | 15.58 ns | 1.11 | 0.02 | False | | |

![graph](<https://pvscmdupload.blob.core.windows.net/autofilereport/autofilereports/11_09_2021/refs/heads/main_x64_Windows%2010.0.19042/amd_Regression/System.Text.Encodings.Web.Tests.Perf_Encoders_1.png>)
[Test Report](<https://pvscmdupload.blob.core.windows.net/autofilereport/autofilereports/11_09_2021/refs/heads/main_x64_Windows%2010.0.19042/amd_Regression/System.Text.Encodings.Web.Tests.Perf_Encoders.html>)

### Repro

```cmd
git clone https://github.com/dotnet/performance.git
py .\performance\scripts\benchmarks_ci.py -f net6.0 --filter 'System.Text.Encodings.Web.Tests.Perf_Encoders*'
```
<details>

### Payloads

[Baseline](<https://helixdi8s23ayyeko0k025g8.blob.core.windows.net/helix-job-7b3e9344-933a-4676-a6bf-ff14782da1de27ca3ae1a154d2884/403666ae-4760-4535-b69b-6a15a23d32f2.zip?sv=2019-07-07&se=2021-12-08T13%3A23%3A02Z&sr=c&sp=rl&sig=9x%2BE7FPjUlRekmfMcs9ucUicELZAZFTUIRY23K5KttM%3D>)
[Compare](<https://helixdi8s23ayyeko0k025g8.blob.core.windows.net/helix-job-b537e086-43f4-4338-93b1-3ab4a2d379a2731431c02e14bc9b4/faa0a925-4b18-4c05-ba0b-40fdba498914.zip?sv=2019-07-07&se=2021-12-08T22%3A22%3A22Z&sr=c&sp=rl&sig=3wRy4ZXxZBrEAtTn9qN6Pl3YXt0nWTyLqFVnGNZ7hRA%3D>)
### Histogram

#### System.Text.Encodings.Web.Tests.Perf_Encoders.EncodeUtf8(arguments: UnsafeRelaxed,no &lt;escaping /&gt; required,16)

```log

```


### 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)

</details>
### Run Information

Architecture | x64
-- | --
OS | Windows 10.0.19042
Baseline | [9e5bb6526f968ceb2223fe81e2ad84fcc290c778](https://github.com/dotnet/runtime/commit/9e5bb6526f968ceb2223fe81e2ad84fcc290c778)
Compare | [704f023147b49692cec842427b116e9ee7e64305](https://github.com/dotnet/runtime/commit/704f023147b49692cec842427b116e9ee7e64305)
Diff | [Diff](https://github.com/dotnet/runtime/compare/9e5bb6526f968ceb2223fe81e2ad84fcc290c778...704f023147b49692cec842427b116e9ee7e64305)


### Regressions in LinqBenchmarks

Benchmark | Baseline | Test | Test/Base | Test Quality | Edge Detector | Baseline IR | Compare IR | IR Ratio | Baseline ETL | Compare ETL
-- | -- | -- | -- | -- | -- | -- | -- | -- | -- | --
[Where00LinqQueryX - Duration of single invocation](<https://pvscmdupload.blob.core.windows.net/reports/allTestHistory/refs/heads/main_x64_Windows 10.0.19042/amd/LinqBenchmarks.Where00LinqQueryX.html>) | 626.59 ms | 673.96 ms | 1.08 | 0.05 | False | | |

![graph](<https://pvscmdupload.blob.core.windows.net/autofilereport/autofilereports/11_09_2021/refs/heads/main_x64_Windows%2010.0.19042/amd_Regression/LinqBenchmarks_1.png>)
[Test Report](<https://pvscmdupload.blob.core.windows.net/autofilereport/autofilereports/11_09_2021/refs/heads/main_x64_Windows%2010.0.19042/amd_Regression/LinqBenchmarks.html>)

### Repro

```cmd
git clone https://github.com/dotnet/performance.git
py .\performance\scripts\benchmarks_ci.py -f net6.0 --filter 'LinqBenchmarks*'
```
<details>

### Payloads

[Baseline](<https://helixdi8s23ayyeko0k025g8.blob.core.windows.net/helix-job-7b3e9344-933a-4676-a6bf-ff14782da1de27ca3ae1a154d2884/403666ae-4760-4535-b69b-6a15a23d32f2.zip?sv=2019-07-07&se=2021-12-08T13%3A23%3A02Z&sr=c&sp=rl&sig=9x%2BE7FPjUlRekmfMcs9ucUicELZAZFTUIRY23K5KttM%3D>)
[Compare](<https://helixdi8s23ayyeko0k025g8.blob.core.windows.net/helix-job-b537e086-43f4-4338-93b1-3ab4a2d379a2731431c02e14bc9b4/faa0a925-4b18-4c05-ba0b-40fdba498914.zip?sv=2019-07-07&se=2021-12-08T22%3A22%3A22Z&sr=c&sp=rl&sig=3wRy4ZXxZBrEAtTn9qN6Pl3YXt0nWTyLqFVnGNZ7hRA%3D>)
### Histogram

#### LinqBenchmarks.Where00LinqQueryX

```log

```


### 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)

</details>


### Run Information

Architecture | x64
-- | --
OS | Windows 10.0.19042
Baseline | [9e5bb6526f968ceb2223fe81e2ad84fcc290c778](https://github.com/dotnet/runtime/commit/9e5bb6526f968ceb2223fe81e2ad84fcc290c778)
Compare | [704f023147b49692cec842427b116e9ee7e64305](https://github.com/dotnet/runtime/commit/704f023147b49692cec842427b116e9ee7e64305)
Diff | [Diff](https://github.com/dotnet/runtime/compare/9e5bb6526f968ceb2223fe81e2ad84fcc290c778...704f023147b49692cec842427b116e9ee7e64305)


### Regressions in System.Collections.Tests.Perf_PriorityQueue&lt;Int32, Int32&gt;

Benchmark | Baseline | Test | Test/Base | Test Quality | Edge Detector | Baseline IR | Compare IR | IR Ratio | Baseline ETL | Compare ETL
-- | -- | -- | -- | -- | -- | -- | -- | -- | -- | --
[HeapSort - Duration of single invocation](<https://pvscmdupload.blob.core.windows.net/reports/allTestHistory/refs/heads/main_x64_Windows 10.0.19042/amd/System.Collections.Tests.Perf_PriorityQueue(Int32%2c%20Int32).HeapSort(Size%3a%20100).html>) | 2.69 μs | 3.21 μs | 1.19 | 0.07 | False | | |

![graph](<https://pvscmdupload.blob.core.windows.net/autofilereport/autofilereports/11_09_2021/refs/heads/main_x64_Windows%2010.0.19042/amd_Regression/System.Collections.Tests.Perf_PriorityQueue(Int32,%20Int32)_1.png>)
[Test Report](<https://pvscmdupload.blob.core.windows.net/autofilereport/autofilereports/11_09_2021/refs/heads/main_x64_Windows%2010.0.19042/amd_Regression/System.Collections.Tests.Perf_PriorityQueue(Int32,%20Int32).html>)

### Repro

```cmd
git clone https://github.com/dotnet/performance.git
py .\performance\scripts\benchmarks_ci.py -f net6.0 --filter 'System.Collections.Tests.Perf_PriorityQueue&lt;Int32, Int32&gt;*'
```
<details>

### Payloads

[Baseline](<https://helixdi8s23ayyeko0k025g8.blob.core.windows.net/helix-job-7b3e9344-933a-4676-a6bf-ff14782da1de27ca3ae1a154d2884/403666ae-4760-4535-b69b-6a15a23d32f2.zip?sv=2019-07-07&se=2021-12-08T13%3A23%3A02Z&sr=c&sp=rl&sig=9x%2BE7FPjUlRekmfMcs9ucUicELZAZFTUIRY23K5KttM%3D>)
[Compare](<https://helixdi8s23ayyeko0k025g8.blob.core.windows.net/helix-job-b537e086-43f4-4338-93b1-3ab4a2d379a2731431c02e14bc9b4/faa0a925-4b18-4c05-ba0b-40fdba498914.zip?sv=2019-07-07&se=2021-12-08T22%3A22%3A22Z&sr=c&sp=rl&sig=3wRy4ZXxZBrEAtTn9qN6Pl3YXt0nWTyLqFVnGNZ7hRA%3D>)
### Histogram

#### System.Collections.Tests.Perf_PriorityQueue&lt;Int32, Int32&gt;.HeapSort(Size: 100)

```log

```


### 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)

</details>


### Run Information

Architecture | x64
-- | --
OS | Windows 10.0.19042
Baseline | [9e5bb6526f968ceb2223fe81e2ad84fcc290c778](https://github.com/dotnet/runtime/commit/9e5bb6526f968ceb2223fe81e2ad84fcc290c778)
Compare | [704f023147b49692cec842427b116e9ee7e64305](https://github.com/dotnet/runtime/commit/704f023147b49692cec842427b116e9ee7e64305)
Diff | [Diff](https://github.com/dotnet/runtime/compare/9e5bb6526f968ceb2223fe81e2ad84fcc290c778...704f023147b49692cec842427b116e9ee7e64305)


### Regressions in System.IO.Tests.BinaryWriterExtendedTests

Benchmark | Baseline | Test | Test/Base | Test Quality | Edge Detector | Baseline IR | Compare IR | IR Ratio | Baseline ETL | Compare ETL
-- | -- | -- | -- | -- | -- | -- | -- | -- | -- | --
[WriteAsciiCharArray - Duration of single invocation](<https://pvscmdupload.blob.core.windows.net/reports/allTestHistory/refs/heads/main_x64_Windows 10.0.19042/amd/System.IO.Tests.BinaryWriterExtendedTests.WriteAsciiCharArray(StringLengthInChars%3a%202000000).html>) | 79.79 μs | 86.74 μs | 1.09 | 0.05 | False | | |

![graph](<https://pvscmdupload.blob.core.windows.net/autofilereport/autofilereports/11_09_2021/refs/heads/main_x64_Windows%2010.0.19042/amd_Regression/System.IO.Tests.BinaryWriterExtendedTests_1.png>)
[Test Report](<https://pvscmdupload.blob.core.windows.net/autofilereport/autofilereports/11_09_2021/refs/heads/main_x64_Windows%2010.0.19042/amd_Regression/System.IO.Tests.BinaryWriterExtendedTests.html>)

### Repro

```cmd
git clone https://github.com/dotnet/performance.git
py .\performance\scripts\benchmarks_ci.py -f net6.0 --filter 'System.IO.Tests.BinaryWriterExtendedTests*'
```
<details>

### Payloads

[Baseline](<https://helixdi8s23ayyeko0k025g8.blob.core.windows.net/helix-job-7b3e9344-933a-4676-a6bf-ff14782da1de27ca3ae1a154d2884/403666ae-4760-4535-b69b-6a15a23d32f2.zip?sv=2019-07-07&se=2021-12-08T13%3A23%3A02Z&sr=c&sp=rl&sig=9x%2BE7FPjUlRekmfMcs9ucUicELZAZFTUIRY23K5KttM%3D>)
[Compare](<https://helixdi8s23ayyeko0k025g8.blob.core.windows.net/helix-job-b537e086-43f4-4338-93b1-3ab4a2d379a2731431c02e14bc9b4/faa0a925-4b18-4c05-ba0b-40fdba498914.zip?sv=2019-07-07&se=2021-12-08T22%3A22%3A22Z&sr=c&sp=rl&sig=3wRy4ZXxZBrEAtTn9qN6Pl3YXt0nWTyLqFVnGNZ7hRA%3D>)
### Histogram

#### System.IO.Tests.BinaryWriterExtendedTests.WriteAsciiCharArray(StringLengthInChars: 2000000)

```log

```


### 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)

</details>


### Run Information

Architecture | x64
-- | --
OS | Windows 10.0.19042
Baseline | [9e5bb6526f968ceb2223fe81e2ad84fcc290c778](https://github.com/dotnet/runtime/commit/9e5bb6526f968ceb2223fe81e2ad84fcc290c778)
Compare | [704f023147b49692cec842427b116e9ee7e64305](https://github.com/dotnet/runtime/commit/704f023147b49692cec842427b116e9ee7e64305)
Diff | [Diff](https://github.com/dotnet/runtime/compare/9e5bb6526f968ceb2223fe81e2ad84fcc290c778...704f023147b49692cec842427b116e9ee7e64305)


### Regressions in System.Text.Json.Tests.Perf_Reader

Benchmark | Baseline | Test | Test/Base | Test Quality | Edge Detector | Baseline IR | Compare IR | IR Ratio | Baseline ETL | Compare ETL
-- | -- | -- | -- | -- | -- | -- | -- | -- | -- | --
[ReadSpanEmptyLoop - Duration of single invocation](<https://pvscmdupload.blob.core.windows.net/reports/allTestHistory/refs/heads/main_x64_Windows 10.0.19042/amd/System.Text.Json.Tests.Perf_Reader.ReadSpanEmptyLoop(IsDataCompact%3a%20False%2c%20TestCase%3a%20HelloWorld).html>) | 111.66 ns | 126.26 ns | 1.13 | 0.10 | False | | |

![graph](<https://pvscmdupload.blob.core.windows.net/autofilereport/autofilereports/11_09_2021/refs/heads/main_x64_Windows%2010.0.19042/amd_Regression/System.Text.Json.Tests.Perf_Reader_1.png>)
[Test Report](<https://pvscmdupload.blob.core.windows.net/autofilereport/autofilereports/11_09_2021/refs/heads/main_x64_Windows%2010.0.19042/amd_Regression/System.Text.Json.Tests.Perf_Reader.html>)

### Repro

```cmd
git clone https://github.com/dotnet/performance.git
py .\performance\scripts\benchmarks_ci.py -f net6.0 --filter 'System.Text.Json.Tests.Perf_Reader*'
```
<details>

### Payloads

[Baseline](<https://helixdi8s23ayyeko0k025g8.blob.core.windows.net/helix-job-7b3e9344-933a-4676-a6bf-ff14782da1de27ca3ae1a154d2884/403666ae-4760-4535-b69b-6a15a23d32f2.zip?sv=2019-07-07&se=2021-12-08T13%3A23%3A02Z&sr=c&sp=rl&sig=9x%2BE7FPjUlRekmfMcs9ucUicELZAZFTUIRY23K5KttM%3D>)
[Compare](<https://helixdi8s23ayyeko0k025g8.blob.core.windows.net/helix-job-b537e086-43f4-4338-93b1-3ab4a2d379a2731431c02e14bc9b4/faa0a925-4b18-4c05-ba0b-40fdba498914.zip?sv=2019-07-07&se=2021-12-08T22%3A22%3A22Z&sr=c&sp=rl&sig=3wRy4ZXxZBrEAtTn9qN6Pl3YXt0nWTyLqFVnGNZ7hRA%3D>)
### Histogram

#### System.Text.Json.Tests.Perf_Reader.ReadSpanEmptyLoop(IsDataCompact: False, TestCase: HelloWorld)

```log

```


### 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)

</details>


### Run Information

Architecture | x64
-- | --
OS | Windows 10.0.19042
Baseline | [d216c7c15cb0080342f1191368afc7e5be172de0](https://github.com/dotnet/runtime/commit/d216c7c15cb0080342f1191368afc7e5be172de0)
Compare | [704f023147b49692cec842427b116e9ee7e64305](https://github.com/dotnet/runtime/commit/704f023147b49692cec842427b116e9ee7e64305)
Diff | [Diff](https://github.com/dotnet/runtime/compare/d216c7c15cb0080342f1191368afc7e5be172de0...704f023147b49692cec842427b116e9ee7e64305)


### Regressions in System.Collections.ContainsTrue&lt;String&gt;

Benchmark | Baseline | Test | Test/Base | Test Quality | Edge Detector | Baseline IR | Compare IR | IR Ratio | Baseline ETL | Compare ETL
-- | -- | -- | -- | -- | -- | -- | -- | -- | -- | --
[Span - Duration of single invocation](<https://pvscmdupload.blob.core.windows.net/reports/allTestHistory/refs/heads/main_x64_Windows 10.0.19042/amd/System.Collections.ContainsTrue(String).Span(Size%3a%20512).html>) | 358.31 μs | 404.10 μs | 1.13 | 0.01 | False | | |

![graph](<https://pvscmdupload.blob.core.windows.net/autofilereport/autofilereports/11_09_2021/refs/heads/main_x64_Windows%2010.0.19042/amd_Regression/System.Collections.ContainsTrue(String)_1.png>)
[Test Report](<https://pvscmdupload.blob.core.windows.net/autofilereport/autofilereports/11_09_2021/refs/heads/main_x64_Windows%2010.0.19042/amd_Regression/System.Collections.ContainsTrue(String).html>)

### Repro

```cmd
git clone https://github.com/dotnet/performance.git
py .\performance\scripts\benchmarks_ci.py -f net6.0 --filter 'System.Collections.ContainsTrue&lt;String&gt;*'
```
<details>

### Payloads

[Baseline](<https://helixdi8s23ayyeko0k025g8.blob.core.windows.net/helix-job-0c028363-affe-4fe4-988c-bb1ccf6b017e6e5eb95cfc44980b0/cce574c0-f599-4c27-85ea-0390c36da4e1.zip?sv=2019-07-07&se=2021-12-04T16%3A11%3A06Z&sr=c&sp=rl&sig=tk3qRlmt4nYjGAek2q%2FLPXTVAC2aS0JBH0vljbiiymQ%3D>)
[Compare](<https://helixdi8s23ayyeko0k025g8.blob.core.windows.net/helix-job-b537e086-43f4-4338-93b1-3ab4a2d379a2731431c02e14bc9b4/faa0a925-4b18-4c05-ba0b-40fdba498914.zip?sv=2019-07-07&se=2021-12-08T22%3A22%3A22Z&sr=c&sp=rl&sig=3wRy4ZXxZBrEAtTn9qN6Pl3YXt0nWTyLqFVnGNZ7hRA%3D>)
### Histogram

#### System.Collections.ContainsTrue&lt;String&gt;.Span(Size: 512)

```log

```


### 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)

</details>


### Run Information

Architecture | x64
-- | --
OS | Windows 10.0.19042
Baseline | [9e5bb6526f968ceb2223fe81e2ad84fcc290c778](https://github.com/dotnet/runtime/commit/9e5bb6526f968ceb2223fe81e2ad84fcc290c778)
Compare | [704f023147b49692cec842427b116e9ee7e64305](https://github.com/dotnet/runtime/commit/704f023147b49692cec842427b116e9ee7e64305)
Diff | [Diff](https://github.com/dotnet/runtime/compare/9e5bb6526f968ceb2223fe81e2ad84fcc290c778...704f023147b49692cec842427b116e9ee7e64305)


### Regressions in System.Buffers.Tests.ReadOnlySequenceTests&lt;Char&gt;

Benchmark | Baseline | Test | Test/Base | Test Quality | Edge Detector | Baseline IR | Compare IR | IR Ratio | Baseline ETL | Compare ETL
-- | -- | -- | -- | -- | -- | -- | -- | -- | -- | --
[FirstArray - Duration of single invocation](<https://pvscmdupload.blob.core.windows.net/reports/allTestHistory/refs/heads/main_x64_Windows 10.0.19042/amd/System.Buffers.Tests.ReadOnlySequenceTests(Char).FirstArray.html>) | 6.67 ns | 9.94 ns | 1.49 | 0.17 | False | | |

![graph](<https://pvscmdupload.blob.core.windows.net/autofilereport/autofilereports/11_09_2021/refs/heads/main_x64_Windows%2010.0.19042/amd_Regression/System.Buffers.Tests.ReadOnlySequenceTests(Char)_1.png>)
[Test Report](<https://pvscmdupload.blob.core.windows.net/autofilereport/autofilereports/11_09_2021/refs/heads/main_x64_Windows%2010.0.19042/amd_Regression/System.Buffers.Tests.ReadOnlySequenceTests(Char).html>)

### Repro

```cmd
git clone https://github.com/dotnet/performance.git
py .\performance\scripts\benchmarks_ci.py -f net6.0 --filter 'System.Buffers.Tests.ReadOnlySequenceTests&lt;Char&gt;*'
```
<details>

### Payloads

[Baseline](<https://helixdi8s23ayyeko0k025g8.blob.core.windows.net/helix-job-7b3e9344-933a-4676-a6bf-ff14782da1de27ca3ae1a154d2884/403666ae-4760-4535-b69b-6a15a23d32f2.zip?sv=2019-07-07&se=2021-12-08T13%3A23%3A02Z&sr=c&sp=rl&sig=9x%2BE7FPjUlRekmfMcs9ucUicELZAZFTUIRY23K5KttM%3D>)
[Compare](<https://helixdi8s23ayyeko0k025g8.blob.core.windows.net/helix-job-b537e086-43f4-4338-93b1-3ab4a2d379a2731431c02e14bc9b4/faa0a925-4b18-4c05-ba0b-40fdba498914.zip?sv=2019-07-07&se=2021-12-08T22%3A22%3A22Z&sr=c&sp=rl&sig=3wRy4ZXxZBrEAtTn9qN6Pl3YXt0nWTyLqFVnGNZ7hRA%3D>)
### Histogram

#### System.Buffers.Tests.ReadOnlySequenceTests&lt;Char&gt;.FirstArray

```log

```


### 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)

</details>




Architecture	x64
OS	Windows 10.0.19042
Baseline	9e5bb6526f968ceb2223fe81e2ad84fcc290c778
Compare	704f023147b49692cec842427b116e9ee7e64305
Diff	Diff

Architecture	x64
OS	Windows 10.0.19042
Baseline	d216c7c15cb0080342f1191368afc7e5be172de0
Compare	704f023147b49692cec842427b116e9ee7e64305
Diff	Diff

Uh oh!

Regression in multiple benchmarks from value numbering #61375

Description

Run Information

Regressions in System.Text.Encodings.Web.Tests.Perf_Encoders

Repro

Payloads

Histogram

System.Text.Encodings.Web.Tests.Perf_Encoders.EncodeUtf8(arguments: UnsafeRelaxed,no <escaping /> required,16)

Docs

Regressions in LinqBenchmarks

Repro

Payloads

Histogram

LinqBenchmarks.Where00LinqQueryX

Docs

Run Information

Regressions in System.Collections.Tests.Perf_PriorityQueue<Int32, Int32>

Repro

Payloads

Histogram

System.Collections.Tests.Perf_PriorityQueue<Int32, Int32>.HeapSort(Size: 100)

Docs

Run Information

Regressions in System.IO.Tests.BinaryWriterExtendedTests

Repro

Payloads

Histogram

System.IO.Tests.BinaryWriterExtendedTests.WriteAsciiCharArray(StringLengthInChars: 2000000)

Docs

Run Information

Regressions in System.Text.Json.Tests.Perf_Reader

Repro

Payloads

Histogram

System.Text.Json.Tests.Perf_Reader.ReadSpanEmptyLoop(IsDataCompact: False, TestCase: HelloWorld)

Docs

Run Information

Regressions in System.Collections.ContainsTrue<String>

Repro

Payloads

Histogram

System.Collections.ContainsTrue<String>.Span(Size: 512)

Docs

Run Information

Regressions in System.Buffers.Tests.ReadOnlySequenceTests<Char>

Repro

Payloads

Histogram

System.Buffers.Tests.ReadOnlySequenceTests<Char>.FirstArray

Docs

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