[llvm-bugs] [Bug 38012] New: bswap documentation does not mention vector support

[via llvm-bugs]

https://bugs.llvm.org/show_bug.cgi?id=38012

            Bug ID: 38012
           Summary: bswap documentation does not mention vector support
           Product: new-bugs
           Version: trunk
          Hardware: PC
                OS: All
            Status: NEW
          Severity: enhancement
          Priority: P
         Component: new bugs
          Assignee: unassignedbugs at nondot.org
          Reporter: gonzalobg88 at gmail.com
                CC: llvm-bugs at lists.llvm.org

The documentation of `llvm.bswap` in the LangRef:
https://llvm.org/docs/LangRef.html#llvm-bswap-intrinsics

Seems to convey that it only works on integers:

>  You can use bswap on any integer type that is an even number of bytes (i.e. BitWidth % 16 == 0).

But it also works on vectors as rkruppe mentions here:
https://github.com/rust-lang-nursery/stdsimd/issues/419#issuecomment-401446306

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