[llvm-bugs] [Bug 28669] New: Unnecessary vector type produces wrong ll parser error

[via llvm-bugs]

https://llvm.org/bugs/show_bug.cgi?id=28669

            Bug ID: 28669
           Summary: Unnecessary vector type produces wrong ll parser error
           Product: libraries
           Version: trunk
          Hardware: PC
                OS: Linux
            Status: NEW
          Severity: normal
          Priority: P
         Component: Core LLVM classes
          Assignee: unassignedbugs at nondot.org
          Reporter: Matthew.Arsenault at amd.com
                CC: llvm-bugs at lists.llvm.org
    Classification: Unclassified

This testcase produces a misleading parse error

; RUN: llvm-as < %s
define void @add_v2i16(<2 x i16> addrspace(1)* %out, <2 x i16> %in) {
  %arst = add <2 x i16> %in, <2 x i16> <i16 123, i16 456>
  store <2 x i16> %arst, <2 x i16> addrspace(1)* %out
  ret void
}

expected-type-wrong-error.ll:3:31: error: expected type
  %arst = add <2 x i16> %in, <2 x i16> <i16 123, i16 456>

It is erroring on the 2nd operand <2 x i16> type, it really means the type is
unexpected.
The correctly parsing version is

  %arst = add <2 x i16> %in, <i16 123, i16 456>

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