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// RUN: %clang_cc1 %s -triple spir-unknown-unknown -O0 -emit-llvm -o - | FileCheck %s
// RUN: %clang_cc1 %s -triple spir-unknown-unknown -O0 -emit-llvm -o - -fexperimental-new-constant-interpreter | FileCheck %s
typedef int int2 __attribute__((ext_vector_type(2)));
typedef int int4 __attribute__((ext_vector_type(4)));
struct Storage final {
constexpr const float& operator[](const int index) const noexcept {
return InternalStorage[index];
}
const float InternalStorage[1];
};
constexpr Storage getStorage() {
return Storage{{1.0f}};
}
constexpr float compute() {
constexpr auto s = getStorage();
return 2.0f / (s[0]);
}
constexpr float FloatConstant = compute();
// CHECK-LABEL: define{{.*}} spir_kernel void @foo
// CHECK: store float 2.000000e+00
kernel void foo(global float *x) {
*x = FloatConstant;
}
// Test evaluation of constant vectors.
// CHECK-LABEL: define{{.*}} spir_kernel void @vecEval
// CHECK: store i32 3
// CHECK: store <2 x i32> <i32 22, i32 33>, ptr
const int oneElt = int4(3).x;
const int2 twoElts = (int4)(11, 22, 33, 44).yz;
kernel void vecEval(global int *x, global int2 *y) {
*x = oneElt;
*y = twoElts;
}
// Test evaluation of vectors initialized through a constexpr function.
// CHECK-LABEL: define{{.*}} spir_kernel void @vecEval2
// CHECK: store <2 x i32>
constexpr int2 addOne(int2 x) {
return (int2)(x.x + 1, x.y + 1);
}
const int2 fromConstexprFunc = addOne(int2(2));
kernel void vecEval2(global int2 *x) {
*x = fromConstexprFunc;
}
// Test evaluation of vec_step
// CHECK-LABEL: define{{.*}} spir_kernel void @vec_step_test
// CHECK: store i32 6
constexpr int vsize1 = vec_step(fromConstexprFunc);
constexpr int vsize2 = vec_step(int4);
kernel void vec_step_test(global int *x) {
*x = vsize1 + vsize2;
}
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