[llvm-bugs] [Bug 51902] New: AST Import does not support ShuffleVectorExpr, used for __builtin_shufflevector()

via llvm-bugs llvm-bugs at lists.llvm.org
Sat Sep 18 07:59:26 PDT 2021


https://bugs.llvm.org/show_bug.cgi?id=51902

            Bug ID: 51902
           Summary: AST Import does not support ShuffleVectorExpr, used
                    for __builtin_shufflevector()
           Product: clang
           Version: unspecified
          Hardware: PC
                OS: Linux
            Status: NEW
          Severity: enhancement
          Priority: P
         Component: Static Analyzer
          Assignee: dcoughlin at apple.com
          Reporter: lebedev.ri at gmail.com
                CC: dcoughlin at apple.com, llvm-bugs at lists.llvm.org

In file included from
/home/lebedevri/rawspeed/src/librawspeed/common/RawImageDataU16.cpp:38:
/usr/lib/llvm-14/lib/clang/14.0.0/include/emmintrin.h:4661:19: error: cannot
import unsupported AST node ShuffleVectorExpr
  return (__m128i)__builtin_shufflevector((__v8hi)__a, (__v8hi)__b, 0, 8+0, 1,
8+1, 2, 8+2, 3, 8+3);
                  ^

Standalone repro: https://godbolt.org/z/Wz1e86P9b

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