[llvm-bugs] [Bug 41926] New: select statement crashes wasm64 backend

[via llvm-bugs]

https://bugs.llvm.org/show_bug.cgi?id=41926

            Bug ID: 41926
           Summary: select statement crashes wasm64 backend
           Product: libraries
           Version: trunk
          Hardware: PC
                OS: Linux
            Status: NEW
          Severity: release blocker
          Priority: P
         Component: Backend: WebAssembly
          Assignee: unassignedbugs at nondot.org
          Reporter: husseydevin at gmail.com
                CC: llvm-bugs at lists.llvm.org

On LLVM versions 7.0 and later, this code causes a crash on the wasm64
backend.:

define i32 @foo(i32){
  %2 = icmp sgt i32 %0, 15
  %3 = select i1 %2, i32 0, i32 3
  ret i32 %3
}

llc --mtriple=wasm64 test.ll

LLVM ERROR: Cannot select: 0x4f1608: i32 = select 0x4f1810, Constant:i32<0>,
Constant:i32<3>
  0x4f1810: i64 = and 0x4f1740, Constant:i64<1>
    0x4f1740: i64 = any_extend 0x4f1468
      0x4f1468: i32 = WebAssemblyISD::ARGUMENT TargetConstant:i32<0>
        0x4f1400: i32 = TargetConstant<0>
    0x4f17a8: i64 = Constant<1>
  0x4f1538: i32 = Constant<0>
  0x4f15a0: i32 = Constant<3>
In function: foo

Ubuntu 18.04 LTS amd64 on WSL
Windows 10 Home 1903 x64
Dell Precision T3400
2.80 GHz Intel Core 2 Duo E7400
4 GB RAM

Known affected versions:

version 7.1.0~svn353565-1~exp1~20190406090509.61 from the
llvm-toolchain-bionic-7 apt repo
version 8.0.0 from releases.llvm.org
version 9.0.0-svn360862-1~exp1+0~20190516072237.984~1.gbp398e29 from the
llvm-toolchain-bionic apt repo

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