Fixed DCE of call nodes (#15192)

Fixed DCE of call nodes which affect stack level

2 files changed, 109 insertions, 0 deletions

diff --git a/tests/src/JIT/Regression/JitBlue/DevDiv_524312/DevDiv_524312.il b/tests/src/JIT/Regression/JitBlue/DevDiv_524312/DevDiv_524312.il
new file mode 100644
index 0000000000..d69be2b35a
--- /dev/null
+++ b/tests/src/JIT/Regression/JitBlue/DevDiv_524312/DevDiv_524312.il
@@ -0,0 +1,74 @@
+
+//  Microsoft (R) .NET Framework IL Disassembler.  Version 4.7.3018.0
+//  Copyright (c) Microsoft Corporation.  All rights reserved.
+
+
+
+.assembly extern mscorlib{}
+.assembly ILGEN_MODULE{}
+
+.class ILGEN_CLASS
+{
+  .method static int32 Main()
+  {
+    .entrypoint
+    // Code size       19 (0x13)
+    .maxstack  8
+    .try
+    {
+        IL_0000:  nop
+        IL_0001:  ldc.r8     0.0
+        IL_000a:  ldc.i4.s   97
+        IL_000c:  call       char ILGEN_CLASS::ILGEN_METHOD_ZERO(float64, char)
+        IL_0011:  pop
+        IL_0201:  ldc.r8     0.0
+        IL_020a:  ldc.i4.s   97
+        IL_0212:  call       char ILGEN_CLASS::ILGEN_METHOD_INF(float64, char)
+        IL_0220:  pop
+        IL_0320:  leave.s done
+    }
+    catch [mscorlib]System.Exception
+    {
+        leave.s done
+    }
+    done:
+        ldc.i4 100
+        ret
+  } // end of method Program::Main
+
+  .method private hidebysig static char  ILGEN_METHOD_ZERO(float64 d, char cc) cil managed
+  {
+    // Code size       7 (0x7)
+      .maxstack  18
+      .locals init (native int, unsigned int64, unsigned int64, float32, float32, float64, int8, float32, bool, native int, unsigned int64, unsigned int64, int64)
+      IL_0000: ldloc 0x0006
+      IL_0004: ldloc 0x0003
+      IL_0008: ldc.r4 0x0 // ZERO
+      IL_000a: dup
+      IL_000b: ckfinite
+      IL_000c: rem
+      IL_000d: conv.r.un
+      IL_000e: cgt.un
+      IL_0010: pop
+      IL_0011: ret
+  } // end of method Program::ILGEN_METHOD_ZERO
+  
+  .method private hidebysig static char  ILGEN_METHOD_INF(float64 d, char cc) cil managed
+  {
+    // Code size       7 (0x7)
+      .maxstack  18
+      .locals init (native int, unsigned int64, unsigned int64, float32, float32, float64, int8, float32, bool, native int, unsigned int64, unsigned int64, int64)
+      IL_0000: ldloc 0x0006
+      IL_0004: ldloc 0x0003
+      IL_0008: ldc.r4 0x7f800000 // INF
+      IL_000a: dup
+      IL_000b: ckfinite
+      IL_000c: rem
+      IL_000d: conv.r.un
+      IL_000e: cgt.un
+      IL_0010: pop
+      IL_0011: ret
+  } // end of method Program::ILGEN_METHOD_INF
+
+} // end of class test.Program
+
diff --git a/tests/src/JIT/Regression/JitBlue/DevDiv_524312/DevDiv_524312.ilproj b/tests/src/JIT/Regression/JitBlue/DevDiv_524312/DevDiv_524312.ilproj
new file mode 100644
index 0000000000..643b5e48e0
--- /dev/null
+++ b/tests/src/JIT/Regression/JitBlue/DevDiv_524312/DevDiv_524312.ilproj
@@ -0,0 +1,35 @@
+<?xml version="1.0" encoding="utf-8"?>
+<Project ToolsVersion="12.0" DefaultTargets="Build" xmlns="http://schemas.microsoft.com/developer/msbuild/2003">
+  <Import Project="$([MSBuild]::GetDirectoryNameOfFileAbove($(MSBuildThisFileDirectory), dir.props))\dir.props" />
+  <PropertyGroup>
+    <Configuration Condition=" '$(Configuration)' == '' ">Debug</Configuration>
+    <Platform Condition=" '$(Platform)' == '' ">AnyCPU</Platform>
+    <AssemblyName>$(MSBuildProjectName)</AssemblyName>
+    <SchemaVersion>2.0</SchemaVersion>
+    <ProjectGuid>{95DFC527-4DC1-495E-97D7-E94EE1F7140D}</ProjectGuid>
+    <OutputType>Exe</OutputType>
+    <ProjectTypeGuids>{786C830F-07A1-408B-BD7F-6EE04809D6DB};{FAE04EC0-301F-11D3-BF4B-00C04F79EFBC}</ProjectTypeGuids>
+    <SolutionDir Condition="$(SolutionDir) == '' Or $(SolutionDir) == '*Undefined*'">..\..\</SolutionDir>
+    <CLRTestPriority>1</CLRTestPriority>
+  </PropertyGroup>
+  <!-- Default configurations to help VS understand the configurations -->
+  <PropertyGroup Condition=" '$(Configuration)|$(Platform)' == 'Debug|AnyCPU' "></PropertyGroup>
+  <PropertyGroup Condition=" '$(Configuration)|$(Platform)' == 'Release|AnyCPU' "></PropertyGroup>
+  <ItemGroup>
+    <CodeAnalysisDependentAssemblyPaths Condition=" '$(VS100COMNTOOLS)' != '' " Include="$(VS100COMNTOOLS)..\IDE\PrivateAssemblies">
+      <Visible>False</Visible>
+    </CodeAnalysisDependentAssemblyPaths>
+  </ItemGroup>
+  <PropertyGroup>
+    <DebugType>None</DebugType>
+    <Optimize>True</Optimize>
+  </PropertyGroup>
+  <ItemGroup>
+    <Compile Include="DevDiv_524312.il" />
+  </ItemGroup>
+  <ItemGroup>
+    <Service Include="{82A7F48D-3B50-4B1E-B82E-3ADA8210C358}" />
+  </ItemGroup>
+  <Import Project="$([MSBuild]::GetDirectoryNameOfFileAbove($(MSBuildThisFileDirectory), dir.targets))\dir.targets" />
+  <PropertyGroup Condition=" '$(MsBuildProjectDirOverride)' != '' "></PropertyGroup>
+</Project>
\ No newline at end of file