// NOTE: Assertions have been autogenerated by utils/update_cc_test_checks.py UTC_ARGS: --version 5
// RUN: %clang_cc1 -O0 -cl-std=CL2.0 -triple amdgcn-amd-amdhsa -target-cpu gfx942 \
// RUN:   %s -emit-llvm -o - -disable-llvm-passes | FileCheck %s

// REQUIRES: amdgpu-registered-target

// `Ptr.getElementType()` in `CheckAtomicAlignment` returns
//      %struct.__half2 = type { %union.anon }
// Check we do not crash when handling that.

typedef half  __attribute__((ext_vector_type(2))) half2;
typedef short  __attribute__((ext_vector_type(2))) short2;

struct __half2 {
    union {
        struct {
            half x;
            half y;
        };
        half2 data;
    };
};

// CHECK-LABEL: define dso_local <2 x half> @test_flat_add_2f16(
// CHECK-SAME: ptr noundef [[ADDR:%.*]], <2 x half> noundef [[VAL:%.*]]) #[[ATTR0:[0-9]+]] {
// CHECK-NEXT:  [[ENTRY:.*:]]
// CHECK-NEXT:    [[RETVAL:%.*]] = alloca <2 x half>, align 4, addrspace(5)
// CHECK-NEXT:    [[ADDR_ADDR:%.*]] = alloca ptr, align 8, addrspace(5)
// CHECK-NEXT:    [[VAL_ADDR:%.*]] = alloca <2 x half>, align 4, addrspace(5)
// CHECK-NEXT:    [[RETVAL_ASCAST:%.*]] = addrspacecast ptr addrspace(5) [[RETVAL]] to ptr
// CHECK-NEXT:    [[ADDR_ADDR_ASCAST:%.*]] = addrspacecast ptr addrspace(5) [[ADDR_ADDR]] to ptr
// CHECK-NEXT:    [[VAL_ADDR_ASCAST:%.*]] = addrspacecast ptr addrspace(5) [[VAL_ADDR]] to ptr
// CHECK-NEXT:    store ptr [[ADDR]], ptr [[ADDR_ADDR_ASCAST]], align 8
// CHECK-NEXT:    store <2 x half> [[VAL]], ptr [[VAL_ADDR_ASCAST]], align 4
// CHECK-NEXT:    [[TMP0:%.*]] = load ptr, ptr [[ADDR_ADDR_ASCAST]], align 8
// CHECK-NEXT:    [[TMP1:%.*]] = load <2 x half>, ptr [[VAL_ADDR_ASCAST]], align 4
// CHECK-NEXT:    [[TMP2:%.*]] = atomicrmw fadd ptr [[TMP0]], <2 x half> [[TMP1]] syncscope("agent") monotonic, align 4, !amdgpu.no.fine.grained.memory [[META4:![0-9]+]]
// CHECK-NEXT:    ret <2 x half> [[TMP2]]
//
half2 test_flat_add_2f16(short2 *addr, half2 val) {
  return __builtin_amdgcn_flat_atomic_fadd_v2f16((struct __half2*)addr, val);
}
//.
// CHECK: [[META4]] = !{}
//.