1// RUN: %clang_cc1 %s -triple spir-unknown-unknown -cl-std=clc++ -O0 -emit-llvm -o - | FileCheck %s 2 3typedef int int2 __attribute__((ext_vector_type(2))); 4typedef int int4 __attribute__((ext_vector_type(4))); 5 6struct Storage final { 7 constexpr const float& operator[](const int index) const noexcept { 8 return InternalStorage[index]; 9 } 10 11 const float InternalStorage[1]; 12}; 13 14constexpr Storage getStorage() { 15 return Storage{{1.0f}}; 16} 17 18constexpr float compute() { 19 constexpr auto s = getStorage(); 20 return 2.0f / (s[0]); 21} 22 23constexpr float FloatConstant = compute(); 24 25// CHECK-LABEL: define spir_kernel void @foo 26// CHECK: store float 2.000000e+00 27kernel void foo(global float *x) { 28 *x = FloatConstant; 29} 30 31// Test evaluation of constant vectors. 32// CHECK-LABEL: define spir_kernel void @vecEval 33// CHECK: store i32 3 34// CHECK: store <2 x i32> <i32 22, i32 33>, <2 x i32> 35 36const int oneElt = int4(3).x; 37const int2 twoElts = (int4)(11, 22, 33, 44).yz; 38 39kernel void vecEval(global int *x, global int2 *y) { 40 *x = oneElt; 41 *y = twoElts; 42} 43 44// Test evaluation of vectors initialized through a constexpr function. 45// CHECK-LABEL: define spir_kernel void @vecEval2 46// CHECK: store <2 x i32> 47constexpr int2 addOne(int2 x) { 48 return (int2)(x.x + 1, x.y + 1); 49} 50const int2 fromConstexprFunc = addOne(int2(2)); 51 52kernel void vecEval2(global int2 *x) { 53 *x = fromConstexprFunc; 54} 55 56// Test evaluation of vec_step 57// CHECK-LABEL: define spir_kernel void @vec_step_test 58// CHECK: store i32 6 59constexpr int vsize1 = vec_step(fromConstexprFunc); 60constexpr int vsize2 = vec_step(int4); 61 62kernel void vec_step_test(global int *x) { 63 *x = vsize1 + vsize2; 64} 65