[LLVMbugs] [Bug 20665] New: [AVX512] argument #2 has unhandled type v16i1 error with <16 x i1> function argument

[bugzilla-daemon at llvm.org]

http://llvm.org/bugs/show_bug.cgi?id=20665

            Bug ID: 20665
           Summary: [AVX512] argument #2 has unhandled type v16i1 error
                    with <16 x i1> function argument
           Product: new-bugs
           Version: unspecified
          Hardware: PC
                OS: All
            Status: NEW
          Severity: normal
          Priority: P
         Component: new bugs
          Assignee: unassignedbugs at nondot.org
          Reporter: matt at pharr.org
                CC: llvmbugs at cs.uiuc.edu
    Classification: Unclassified

Created attachment 12899
  --> http://llvm.org/bugs/attachment.cgi?id=12899&action=edit
test case

Given the attached simple bitcode where a 16xi1 is passed as a function
argument, I get the following with top of tree:

% ~/llvm-dev/bin/llc bug.ll -filetype=asm -o - -mcpu=knl
    .section    __TEXT,__text,regular,pure_instructions
    .macosx_version_min 13, 3
Formal argument #2 has unhandled type v16i1
UNREACHABLE executed at CallingConvLower.cpp:80!
0  llc                      0x000000010bc09438 void
std::__1::seed_seq::generate<unsigned int*>(unsigned int*, unsigned int*) +
11736
1  llc                      0x000000010bc09924 void
std::__1::seed_seq::generate<unsigned int*>(unsigned int*, unsigned int*) +
12996
2  libsystem_platform.dylib 0x00007fff8d2115aa _sigtramp + 26
3  libsystem_platform.dylib 0x000000000000000a _sigtramp + 1927211642
4  llc                      0x000000010bc096d6 void
std::__1::seed_seq::generate<unsigned int*>(unsigned int*, unsigned int*) +
12406
5  llc                      0x000000010bbf4cd1 void*
llvm::object_creator<llvm::StringMap<void*, llvm::MallocAllocator> >() + 3537
6  llc                      0x000000010b689432 void
std::__1::vector<llvm::BranchFolder::SameTailElt,
std::__1::allocator<llvm::BranchFolder::SameTailElt>
>::__push_back_slow_path<llvm::BranchFolder::SameTailElt>(llvm::BranchFolder::SameTailElt&&)
+ 9666
7  llc                      0x000000010b3941f3 std::__1::__tree<unsigned short,
std::__1::less<unsigned short>, std::__1::allocator<unsigned short>
>::destroy(std::__1::__tree_node<unsigned short, void*>*) + 89203
8  llc                      0x000000010b5e2219
std::__1::__tree<std::__1::__value_type<llvm::SDNode const*,
std::__1::basic_string<char, std::__1::char_traits<char>,
std::__1::allocator<char> > >, std::__1::__map_value_compare<llvm::SDNode
const*, std::__1::__value_type<llvm::SDNode const*,
std::__1::basic_string<char, std::__1::char_traits<char>,
std::__1::allocator<char> > >, std::__1::less<llvm::SDNode const*>, true>,
std::__1::allocator<std::__1::__value_type<llvm::SDNode const*,
std::__1::basic_string<char, std::__1::char_traits<char>,
std::__1::allocator<char> > > >
>::destroy(std::__1::__tree_node<std::__1::__value_type<llvm::SDNode const*,
std::__1::basic_string<char, std::__1::char_traits<char>,
std::__1::allocator<char> > >, void*>*) + 236009
9  llc                      0x000000010b5f315a void
std::__1::vector<llvm::GCRoot, std::__1::allocator<llvm::GCRoot>
>::__push_back_slow_path<llvm::GCRoot>(llvm::GCRoot&&) + 33082
10 llc                      0x000000010b5f023a void
std::__1::vector<llvm::GCRoot, std::__1::allocator<llvm::GCRoot>
>::__push_back_slow_path<llvm::GCRoot>(llvm::GCRoot&&) + 21018
11 llc                      0x000000010b37e689 std::__1::__tree<unsigned short,
std::__1::less<unsigned short>, std::__1::allocator<unsigned short>
>::destroy(std::__1::__tree_node<unsigned short, void*>*) + 265
12 llc                      0x000000010b72b95c llvm::raw_ostream&
llvm::WriteGraph<llvm::MachineFunction const*>(llvm::raw_ostream&,
llvm::MachineFunction const* const&, bool, llvm::Twine const&) + 5708
13 llc                      0x000000010bb96f9d void*
llvm::object_creator<llvm::LeakDetectorImpl<void> >() + 26189
14 llc                      0x000000010bb9722b void*
llvm::object_creator<llvm::LeakDetectorImpl<void> >() + 26843
15 llc                      0x000000010bb9785c void*
llvm::object_creator<llvm::LeakDetectorImpl<void> >() + 28428
16 llc                      0x000000010ad4cd29
17 libdyld.dylib            0x00007fff8c1155fd start + 1
Stack dump:
0.    Program arguments: /Users/mpharr/llvm-dev/bin/llc bug.ll -filetype=asm -o
- -mattr=+avx512 -mcpu=knl 
1.    Running pass 'Function Pass Manager' on module 'bug.ll'.
2.    Running pass 'X86 DAG->DAG Instruction Selection' on function
'@add___vyfvyf'
[1]    66272 illegal hardware instruction  ~/llvm-dev/bin/llc bug.ll
-filetype=asm -o  -mcpu=knl

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