[llvm-bugs] [Bug 50370] New: Timeout in llvm-opt-fuzzer--x86_64-instcombine

[via llvm-bugs]

https://bugs.llvm.org/show_bug.cgi?id=50370

            Bug ID: 50370
           Summary: Timeout in llvm-opt-fuzzer--x86_64-instcombine
           Product: libraries
           Version: trunk
          Hardware: PC
                OS: Windows NT
            Status: NEW
          Severity: enhancement
          Priority: P
         Component: Scalar Optimizations
          Assignee: unassignedbugs at nondot.org
          Reporter: llvm-dev at redking.me.uk
                CC: lebedev.ri at gmail.com, llvm-bugs at lists.llvm.org,
                    nikita.ppv at gmail.com, spatel+llvm at rotateright.com

Reduced from https://bugs.chromium.org/p/oss-fuzz/issues/detail?id=34395

@g = extern_weak global i32

define void @function(i32 %x) {
entry:
  %xor = xor i32 %x, 1
  %or4 = or i32 or (i32 zext (i1 icmp eq (i32* @g, i32* null) to i32), i32 1),
65536
  %B6 = ashr i32 65536, %or4
  %B15 = srem i32 %B6, %xor
  %B20 = sdiv i32 %or4, 2147483647
  %B22 = add i32 %B15, %B20
  %B14 = srem i32 %B6, %B22
  %B12 = add i32 %B15, %B6
  %B8 = shl i32 %B20, %B14
  %B2 = xor i32 %B12, %B8
  %B3 = or i32 %B12, undef
  %B = xor i32 %B2, %B3
  store i32 %B, i32* undef, align 4
  ret void
}

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