[llvm-bugs] [Bug 40912] New: ISel crashes on SIMD setcc / setlt

[via llvm-bugs]

https://bugs.llvm.org/show_bug.cgi?id=40912

            Bug ID: 40912
           Summary: ISel crashes on SIMD setcc / setlt
           Product: libraries
           Version: trunk
          Hardware: PC
                OS: Linux
            Status: CONFIRMED
          Severity: enhancement
          Priority: P
         Component: Backend: WebAssembly
          Assignee: tlively at google.com
          Reporter: tlively at google.com
                CC: llvm-bugs at lists.llvm.org, srj at google.com

Reported error was

LLVM ERROR: Cannot select: t65: v4i32 = setcc t13, t17, setlt:ch
  t13: v4f32 = fmul nnan ninf nsz contract afn reassoc t11, t11
    t11: v4f32,ch = load<(load 16 from %ir.lsr.iv190192, !tbaa !32)> t0, t2,
undef:i32
      t2: i32,ch = CopyFromReg t0, Register:i32 %107
        t1: i32 = Register %107
      t10: i32 = undef
    t11: v4f32,ch = load<(load 16 from %ir.lsr.iv190192, !tbaa !32)> t0, t2,
undef:i32
      t2: i32,ch = CopyFromReg t0, Register:i32 %107
        t1: i32 = Register %107
      t10: i32 = undef
  t17: v4f32 = fsub nnan ninf nsz contract afn reassoc t16, t14
    t16: v4f32 = BUILD_VECTOR ConstantFP:f32<4.000000e+00>,
ConstantFP:f32<4.000000e+00>, ConstantFP:f32<4.000000e+00>,
ConstantFP:f32<4.000000e+00>
      t15: f32 = ConstantFP<4.000000e+00>
      t15: f32 = ConstantFP<4.000000e+00>
      t15: f32 = ConstantFP<4.000000e+00>
      t15: f32 = ConstantFP<4.000000e+00>
    t14: v4f32 = fmul nnan ninf nsz contract afn reassoc t12, t12
      t12: v4f32,ch = load<(load 16 from %ir.lsr.iv184186, !tbaa !35)> t0, t4,
undef:i32
        t4: i32,ch = CopyFromReg t0, Register:i32 %108
          t3: i32 = Register %108
        t10: i32 = undef
      t12: v4f32,ch = load<(load 16 from %ir.lsr.iv184186, !tbaa !35)> t0, t4,
undef:i32
        t4: i32,ch = CopyFromReg t0, Register:i32 %108
          t3: i32 = Register %108
        t10: i32 = undef

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