rogfer01 added a comment.
I can reproduce the crash above in my computer, so something is definitely off.
Looks like we emit this
case RISCV::BI__builtin_rvv_vmmv_m_b8:
case RISCV::BI__builtin_rvv_vmmv_m_b4:
case RISCV::BI__builtin_rvv_vmmv_m_b2:
case RISCV::BI__builtin_rvv_vmmv_m_b1:
case RISCV::BI__builtin_rvv_vmmv_m_b16:
case RISCV::BI__builtin_rvv_vmmv_m_b32:
case RISCV::BI__builtin_rvv_vmmv_m_b64:
case RISCV::BI__builtin_rvv_vmand_mm_b8:
case RISCV::BI__builtin_rvv_vmand_mm_b4:
case RISCV::BI__builtin_rvv_vmand_mm_b2:
case RISCV::BI__builtin_rvv_vmand_mm_b1:
case RISCV::BI__builtin_rvv_vmand_mm_b16:
case RISCV::BI__builtin_rvv_vmand_mm_b32:
case RISCV::BI__builtin_rvv_vmand_mm_b64:
ID = Intrinsic::riscv_vmand;
IntrinsicTypes = {ResultType, Ops[2]->getType()};
break;
But `Ops` has size 2 so this is accessing past the end. I observed the crash
with `clang::RISCV::BI__builtin_rvv_vmmv_m_b1` but I assume it happens with the
other ones as well.
I think the description of the builtin should be `def : RVVBuiltin<"m", "m",
type_range>;` as these are like unary operations, aren't they?
Repository:
rG LLVM Github Monorepo
CHANGES SINCE LAST ACTION
https://reviews.llvm.org/D100821/new/
https://reviews.llvm.org/D100821
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