[llvm-bugs] [Bug 49595] New: [RISCV] warning: Possible incorrect use of EVT::getVectorNumElements() for scalable vector.

[via llvm-bugs]

https://bugs.llvm.org/show_bug.cgi?id=49595

            Bug ID: 49595
           Summary: [RISCV] warning: Possible incorrect use of
                    EVT::getVectorNumElements() for scalable vector.
           Product: libraries
           Version: trunk
          Hardware: PC
                OS: All
            Status: NEW
          Severity: normal
          Priority: P
         Component: Backend: RISC-V
          Assignee: unassignedbugs at nondot.org
          Reporter: simonas+llvm.org at kazlauskas.me
                CC: asb at lowrisc.org, llvm-bugs at lists.llvm.org

When running the following test case

; RUN: llc -mtriple=riscv64 -mattr=+m,+experimental-v
-riscv-v-vector-bits-min=128
define <4 x i1> @test_srem_vec(<4 x i33> %X) nounwind {
  %srem = srem <4 x i33> %X, <i33 9, i33 9, i33 -9, i33 -9>
  %cmp = icmp ne <4 x i33> %srem, <i33 3, i33 -3, i33 3, i33 -3>
  ret <4 x i1> %cmp
}

`llc` outputs the following warning:

warning: Possible incorrect use of EVT::getVectorNumElements() for scalable
vector. Scalable flag may be dropped, use EVT::getVectorElementCount() instead

Unclear if an actual issue or just something that can be ignored, but reporting
to bring your attention to it.

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