JIT: Debug/Release diff for AdvSimd.ShiftRightLogicalNarrowingLower #106546
Description
Hit by Antigen:
// Found by Antigen
// Reduced from 22.52 KB to 1.95 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 struct S2
{
public byte byte_1;
}
static Vector64<float> s_v64_float_25 = Vector64.Create(1f);
static Vector128<long> s_v128_long_33 = Vector128<long>.AllBitsSet;
static S1 s_s1_51 = new S1();
static S2 s_s2_52 = new S2();
byte byte_54 = 82;
Vector64<byte> v64_byte_68 = Vector64.CreateScalar((byte)82);
Vector64<int> v64_int_72 = Vector64.Create(1, 1);
Vector64<double> v64_double_77 = Vector64.CreateScalar((double)82);
S2 s2_103 = new S2();
static int s_loopInvariant = 8;
private static List<string> toPrint = new List<string>();
public S2 Method3(S2 p_s2_147, Vector64<byte> p_v64_byte_148, S1 p_s1_149, ref S1 p_s1_150, double p_double_151, float p_float_152, ref byte p_byte_153)
{
unchecked
{
int __loopvar0 = s_loopInvariant;
while (true)
{
if (__loopvar0 == s_loopInvariant + 9)
break;
__loopvar0 += 3;
Vector64.Shuffle(s_v64_float_25 += Vector64.AsSingle(v64_double_77), AdvSimd.ShiftRightLogicalNarrowingLower(s_v128_long_33, s2_103.byte_1) & (v64_int_72 - v64_int_72)* 15*4);
}
return s_s2_52;
}
}
public void Method0()
{
unchecked
{
s_s2_52 = Method3(s2_103, v64_byte_68 -= v64_byte_68, s_s1_51, ref s_s1_51, 15-4, Vector64.Dot(Vector64<float>.AllBitsSet & s_v64_float_25, s_v64_float_25), ref byte_54);
return;
}
}
public static void Main(string[] args)
{
Console.WriteLine(Antigen());
}
public static int Antigen()
{
new TestClass().Method0();
return string.Join(Environment.NewLine, toPrint).GetHashCode();
}
}
/*
Environment:
export DOTNET_TieredPGO_InstrumentedTierAlwaysOptimized=1
export DOTNET_JitRandomOnStackReplacement=15
export DOTNET_HeapVerify=1
export DOTNET_TC_OnStackReplacement=1
export DOTNET_TC_PartialCompilation=1
export DOTNET_TC_QuickJitForLoops=1
export DOTNET_TieredCompilation=0
export DOTNET_TieredPGO=1
export DOTNET_EnableSSE2=0
export DOTNET_JitThrowOnAssertionFailure=1
export DOTNET_LegacyExceptionHandling=1
Release:
856641990
Debug:
Unhandled exception. System.ArgumentOutOfRangeException: Specified argument was out of the range of valid values.
at System.Runtime.Intrinsics.Arm.AdvSimd.ShiftRightLogicalNarrowingLower(Vector128`1 value, Byte count)
at TestClass.Method3(S2 p_s2_147, Vector64`1 p_v64_byte_148, S1 p_s1_149, S1& p_s1_150, Double p_double_151, Single p_float_152, Byte& p_byte_153) in /Users/kunalpathak/git/repro/Program.cs:line 42
at TestClass.Method0() in /Users/kunalpathak/git/repro/Program.cs:line 51
at TestClass.Antigen() in /Users/kunalpathak/git/repro/Program.cs:line 61
at TestClass.Main(String[] args) in /Users/kunalpathak/git/repro/Program.cs:line 57
*/cc @dotnet/jit-contrib