arm64: Assertion failed 'loop->ContainsBlock(pred)' during 'Do value numbering' #110959
Description
// Found by Antigen
// Reduced from 14.87 KB to 3.01 KB.
using System;
using System.Collections.Generic;
using System.Runtime.CompilerServices;
using System.Runtime.Intrinsics;
using System.Runtime.Intrinsics.Arm;
using System.Runtime.Intrinsics.X86;
using System.Numerics;
public class TestClass
{
public struct S1
{
public float float_0;
}
static bool s_bool_2 = false;
static int s_int_8 = -2;
static uint s_uint_14 = 2;
static S1 s_s1_17 = new S1();
int int_25 = 0;
float float_28 = 2.0238094f;
S1 s1_34 = new S1();
private static List<string> toPrint = new List<string>();
[MethodImpl(MethodImplOptions.NoInlining)]
public int LeafMethod6()
{
unchecked
{
return 15>>4;
}
}
public float LeafMethod9()
{
unchecked
{
return s_s1_17.float_0 *= float_28 = s1_34.float_0;
}
}
public S1 LeafMethod15()
{
unchecked
{
return s1_34;
}
}
public void Method0()
{
unchecked
{
int int_61 = -2;
uint uint_67 = 0;
while (s_int_8 >> (int_25 |= int_25)+ (s_int_8 -= LeafMethod6())== int_61)
{
if (15*4> (uint_67 = 15&4& s_uint_14 - 15*4))
{} else
{
switch (s_int_8)
{
case -1:
{
do
{
}
while (15>4&& s_bool_2);
break;
}
case -5:
{
try
{
LeafMethod9();
}
catch (System.StackOverflowException)
{
}
break;
}
default:
{
try
{
LeafMethod15();
}
catch (System.TimeZoneNotFoundException)
{
}
catch (System.NotSupportedException)
{
}
catch (System.ArrayTypeMismatchException)
{
}
catch (System.InsufficientMemoryException)
{
}
break;
}
}
}
}
return;
}
}
public static void Main(string[] args)
{
Antigen();
}
public static int Antigen()
{
new TestClass().Method0();
return string.Join(Environment.NewLine, toPrint).GetHashCode();
}
}
/*
Environment:
set DOTNET_JitRLCSEGreedy=1
set DOTNET_JitFakeProcedureSplitting=1
set DOTNET_JitRandomGuardedDevirtualization=1
set DOTNET_JitRandomOnStackReplacement=10
set DOTNET_TC_OnStackReplacement=1
set DOTNET_TC_PartialCompilation=1
set DOTNET_TC_QuickJitForLoops=1
set DOTNET_TieredCompilation=0
set DOTNET_TieredPGO=1
set DOTNET_EnablePCLMULQDQ=1
set DOTNET_TailcallStress=0
set DOTNET_JitThrowOnAssertionFailure=1
set DOTNET_LegacyExceptionHandling=1
Debug: -402375315
Release: 0
JIT assert failed:
Assertion failed 'loop->ContainsBlock(pred)' in 'TestClass:Method0():this' during 'Do value numbering' (IL size 136; hash 0x46e9aa75; FullOpts)
File: /Users/runner/work/1/s/src/coreclr/jit/fgdiagnostic.cpp Line: 4713
*/