[llvm-bugs] [Bug 30511] New: error in backend: Cannot select v4i32 = fadd

[via llvm-bugs]

https://llvm.org/bugs/show_bug.cgi?id=30511

            Bug ID: 30511
           Summary: error in backend: Cannot select v4i32 = fadd
           Product: new-bugs
           Version: trunk
          Hardware: PC
                OS: Linux
            Status: NEW
          Severity: normal
          Priority: P
         Component: new bugs
          Assignee: unassignedbugs at nondot.org
          Reporter: ed0.88.prez at gmail.com
                CC: llvm-bugs at lists.llvm.org
    Classification: Unclassified

While attempting to compile zdoom ( github.com/rheit/zdoom ), I got an internal
backend error like this:

fatal error: error in backend: Cannot select: 0x37ccb70: v4i32 = fadd
0x37ea5b0,
      0x37e17c0
  0x37ea5b0: v4i32 = bitcast 0x37fc2b0
    0x37fc2b0: v2f64 = fmul 0x3800440, 0x37a0ba0
      0x3800440: v2f64 = X86ISD::UNPCKL 0x37d1d10, 0x37cab60
        0x37d1d10: v2f64 = scalar_to_vector 0x37bcbf0
          0x37bcbf0: f64,ch =
load<LD8[%19](tbaa=<0x2e74bf8>)(noalias=<0x3533b78>)> 0x35f8000, 0x37c0160,
undef:i64
            0x37c0160: i64 = add 0x37d9330, Constant:i64<136>
              0x37d9330: i64,ch = CopyFromReg 0x35f8000, Register:i64 %vreg28
                0x37a2bc0: i64 = Register %vreg28
              0x37b3250: i64 = Constant<136>
            0x3858440: i64 = undef
        0x37cab60: v2f64 = scalar_to_vector 0x37a5010
          0x37a5010: f64,ch =
load<LD8[%21](tbaa=<0x2e74bf8>)(noalias=<0x2f8a7b8>)> 0x35f8000, 0x3806cd0,
undef:i64
            0x3806cd0: i64 = add 0x37d9330, Constant:i64<152>
              0x37d9330: i64,ch = CopyFromReg 0x35f8000, Register:i64 %vreg28
                0x37a2bc0: i64 = Register %vreg28
              0x37afcc0: i64 = Constant<152>
            0x3858440: i64 = undef
      0x37a0ba0: v2f64,ch = load<LD16[ConstantPool]> 0x35f8000, 0x3858590,
undef:i64
        0x3858590: i64 = X86ISD::Wrapper TargetConstantPool:i64<<2 x double>
<double 0x4166C16C16C16C17, double 0x4166C16C16C16C17>> 0
          0x37ed340: i64 = TargetConstantPool<<2 x double> <double
0x4166C16C16C16C17, double 0x4166C16C16C16C17>> 0
        0x3858440: i64 = undef
  0x37e17c0: v4i32 = bitcast 0x37e9f20
    0x37e9f20: v2f64,ch = load<LD16[ConstantPool]> 0x35f8000, 0x37e1280,
undef:i64
      0x37e1280: i64 = X86ISD::Wrapper TargetConstantPool:i64<<2 x double>
<double 0x4338000000000000, double 0x4338000000000000>> 0
        0x37d9170: i64 = TargetConstantPool<<2 x double> <double
0x4338000000000000, double 0x4338000000000000>> 0
      0x3858440: i64 = undef
In function: _ZNK6AActor21IsInsideVisibleAnglesEv
clang: error: clang frontend command failed with exit code 70 (use -v to see
invocation)
clang version 4.0.0-svn282316-1~exp1 (trunk)
Target: x86_64-pc-linux-gnu
Thread model: posix
InstalledDir: /usr/bin
clang: note: diagnostic msg: PLEASE submit a bug report to
http://llvm.org/bugs/ and include the crash backtrace, preprocessed source, and
associated run script.
clang: note: diagnostic msg: 
********************

PLEASE ATTACH THE FOLLOWING FILES TO THE BUG REPORT:
Preprocessed source(s) and associated run script(s) are located at:
clang: note: diagnostic msg: /tmp/p_mobj-0df7d3.cpp
clang: note: diagnostic msg: /tmp/p_mobj-0df7d3.sh
clang: note: diagnostic msg: 

********************
src/CMakeFiles/zdoom.dir/build.make:4456: recipe for target
'src/CMakeFiles/zdoom.dir/p_mobj.cpp.o' failed
make[2]: *** [src/CMakeFiles/zdoom.dir/p_mobj.cpp.o] Error 70
CMakeFiles/Makefile2:639: recipe for target 'src/CMakeFiles/zdoom.dir/all'
failed
make[1]: *** [src/CMakeFiles/zdoom.dir/all] Error 2
Makefile:83: recipe for target 'all' failed
make: *** [all] Error 2

I'm on Ubuntu 16.04 x64 and I'm using clang from apt.llvm.org. I attached a zip
file containing also a .ll file I generated by appending -emit-llvm .

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