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      1 // RUN: %clang_cc1 -emit-llvm -O0 %s -o - | FileCheck %s
      2 
      3 // The shuffle vector mask must always be of i32 vector type
      4 // See http://reviews.llvm.org/D10838 and https://llvm.org/bugs/show_bug.cgi?id=23800#c2
      5 // for more information about a bug where a 64 bit index operand causes the generation
      6 // of an invalid mask
      7 
      8 typedef unsigned int uint2 __attribute((ext_vector_type(2)));
      9 
     10 void vector_shufflevector_valid(void) {
     11     //CHECK: {{%.*}} = shufflevector <2 x i32> {{%.*}}, <2 x i32> undef, <2 x i32> <i32 0, i32 undef>
     12     (uint2)(((uint2)(0)).s0, 0);
     13 }
     14