[LLVMbugs] [Bug 12000] New: SelectionDAG assertion: Invalid type for scalarized vector

[bugzilla-daemon at llvm.org]

http://llvm.org/bugs/show_bug.cgi?id=12000

             Bug #: 12000
           Summary: SelectionDAG assertion: Invalid type for scalarized
                    vector
           Product: libraries
           Version: trunk
          Platform: PC
        OS/Version: Windows NT
            Status: NEW
          Severity: enhancement
          Priority: P
         Component: Common Code Generator Code
        AssignedTo: unassignedbugs at nondot.org
        ReportedBy: nadav.rotem at intel.com
                CC: llvmbugs at cs.uiuc.edu
    Classification: Unclassified


llc:
/nfs/iil/disks/cvcc/nrotem/llvm/llvm-head/llvm/lib/CodeGen/SelectionDAG/LegalizeTypes.cpp:752:
void llvm::DAGTypeLegalizer::SetScalarizedVector(llvm::SDValue, llvm::SDValue):
Assertion `Result.getValueType() == Op.getValueType().getVectorElementType() &&
"Invalid type for scalarized vector"' failed.
0  llc             0x000000000129f44f
1  llc             0x000000000129fa15
2  libpthread.so.0 0x00002aaaaabd4d60
3  libc.so.6       0x00002aaaab4abf45 gsignal + 53
4  libc.so.6       0x00002aaaab4ad340 abort + 272
5  libc.so.6       0x00002aaaab4a5486 __assert_fail + 246
6  llc             0x0000000000d3e11a
7  llc             0x0000000000d5b2b2
8  llc             0x0000000000d3f5e7
9  llc             0x0000000000d3ff66 llvm::SelectionDAG::LegalizeTypes() + 50
10 llc             0x0000000000ce36d9
llvm::SelectionDAGISel::CodeGenAndEmitDAG() + 1133
11 llc             0x0000000000ce5a82
llvm::SelectionDAGISel::SelectBasicBlock(llvm::ilist_iterator<llvm::Instruction
const>, llvm::ilist_iterator<llvm::Instruction const>, bool&) + 230
12 llc             0x0000000000ce64ea
llvm::SelectionDAGISel::SelectAllBasicBlocks(llvm::Function const&) + 2662
13 llc             0x0000000000ce6aa4
llvm::SelectionDAGISel::runOnMachineFunction(llvm::MachineFunction&) + 902
14 llc             0x0000000000e47746
llvm::MachineFunctionPass::runOnFunction(llvm::Function&) + 82
15 llc             0x0000000001231ef6
llvm::FPPassManager::runOnFunction(llvm::Function&) + 366
16 llc             0x00000000012320f4
llvm::FPPassManager::runOnModule(llvm::Module&) + 86
17 llc             0x0000000001231ba7
llvm::MPPassManager::runOnModule(llvm::Module&) + 381
18 llc             0x0000000001233370 llvm::PassManagerImpl::run(llvm::Module&)
+ 116
19 llc             0x00000000012333d3 llvm::PassManager::run(llvm::Module&) +
33
20 llc             0x00000000007370d5 main + 3294
21 libc.so.6       0x00002aaaab499304 __libc_start_main + 244
22 llc             0x0000000000734b59
Stack dump:
0.    Program arguments:
/nfs/iil/disks/cvcc/nrotem/llvm/llvm-head/build/Debug+Asserts/bin//llc temp.ll
-mcpu=corei7-avx -march=x86-64 -mattr=+avx -o /dev/null 
1.    Running pass 'Function Pass Manager' on module 'temp.ll'.
2.    Running pass 'X86 DAG->DAG Instruction Selection' on function
'@autogen_28112_5000'
; ModuleID = 'bugpoint-reduced-simplified.bc'
target triple = "x86_64-unknown-linux-gnu"

define void @autogen_28112_5000() {
BB:
  %S17 = icmp sgt <1 x i64> undef, undef
  %E19 = extractelement <1 x i1> %S17, i32 0
  br label %CF

CF:                                               ; preds = %CF, %BB
  %S23 = select i1 %E19, i8 undef, i8 undef
  br label %CF
}

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