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      1 // REQUIRES: systemz-registered-target
      2 // RUN: %clang_cc1 -target-cpu z13 -triple s390x-linux-gnu \
      3 // RUN: -fzvector -fno-lax-vector-conversions -std=c++11 \
      4 // RUN: -Wall -Wno-unused -Werror -emit-llvm %s -o - | FileCheck %s
      5 
      6 bool gb;
      7 
      8 // There was an issue where we weren't properly converting constexprs to
      9 // vectors with elements of the appropriate width. (e.g.
     10 // (vector signed short)0 would be lowered as [4 x i32] in some cases)
     11 
     12 // CHECK-LABEL: @_Z8testIntsDv4_i
     13 void testInts(vector int VI) {
     14   constexpr vector int CI1 = (vector int)0LL;
     15   // CHECK: icmp
     16   gb = (VI == CI1)[0];
     17 
     18   // Likewise for float inits.
     19   constexpr vector int CI2 = (vector int)char(0);
     20   // CHECK: icmp
     21   gb = (VI == CI2)[0];
     22 
     23   constexpr vector int CF1 = (vector int)0.0;
     24   // CHECK: icmp
     25   gb = (VI == CF1)[0];
     26 
     27   constexpr vector int CF2 = (vector int)0.0f;
     28   // CHECK: icmp
     29   gb = (VI == CF2)[0];
     30 }
     31 
     32 // CHECK-LABEL: @_Z10testFloatsDv2_d
     33 void testFloats(vector double VD) {
     34   constexpr vector double CI1 = (vector double)0LL;
     35   // CHECK: fcmp
     36   gb = (VD == CI1)[0];
     37 
     38   // Likewise for float inits.
     39   constexpr vector double CI2 = (vector double)char(0);
     40   // CHECK: fcmp
     41   gb = (VD == CI2)[0];
     42 
     43   constexpr vector double CF1 = (vector double)0.0;
     44   // CHECK: fcmp
     45   gb = (VD == CF1)[0];
     46 
     47   constexpr vector double CF2 = (vector double)0.0f;
     48   // CHECK: fcmp
     49   gb = (VD == CF2)[0];
     50 }
     51