clang/test/CodeGenCXX/builtins-systemz-zvector.cpp

   1 // REQUIRES: systemz-registered-target
   2 // RUN: %clang_cc1 -target-cpu z13 -triple s390x-linux-gnu \
   3 // RUN: -fzvector -flax-vector-conversions=none -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 }