llvm-project/clang/test/CodeGenOpenCLCXX/reinterpret_cast.clcpp

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//RUN: %clang_cc1 %s -triple spir -emit-llvm -O0 -o - | FileCheck %s
typedef int int2 __attribute__((ext_vector_type(2)));
typedef int int4 __attribute__((ext_vector_type(4)));
typedef long long2 __attribute__((ext_vector_type(2)));
//CHECK-LABEL: define{{.*}} spir_func void @_Z3barPU3AS1Dv2_i
void bar(global int2 *in) {
//CHECK: bitcast <2 x i32> %{{[0-9]+}} to i64
auto l = reinterpret_cast<long>(in[0]);
//CHECK: bitcast i64 %{{[0-9]+}} to <2 x i32>
auto i2 = reinterpret_cast<int2>(l);
__private short s1;
// CHECK: %{{[0-9]+}} = load i16, i16* %s1, align 2
// CHECK-NEXT: store i16 %{{[0-9]+}}, i16* %s2, align 2
auto s2 = reinterpret_cast<__private short>(s1);
// CHECK: %{{[0-9]+}} = load i16, i16* %s1, align 2
// CHECK-NEXT: store i16 %{{[0-9]+}}, i16* %s3, align 2
auto s3 = reinterpret_cast<decltype(s1)>(s1);
// CHECK: %{{[0-9]+}} = load i16, i16* %s1, align 2
// CHECK-NEXT: store i16 %{{[0-9]+}}, i16* %s4, align 2
auto s4 = reinterpret_cast<__global short>(s1);
int4 i4;
//CHECK: bitcast <4 x i32> %{{[0-9]+}} to <2 x i64>
auto l2 = reinterpret_cast<long2>(i4);
}