text: // REQUIRES: nvptx-registered-target
  // RUN: %clang_cc1 -triple nvptx-unknown-unknown -fcuda-is-device -S -emit-llvm -o - -x cuda %s | FileCheck %s
  // RUN: %clang_cc1 -triple nvptx64-unknown-unknown -fcuda-is-device -S -emit-llvm -o - -x cuda %s | FileCheck %s
  
  #define __device__ __attribute__((device))
  #define __global__ __attribute__((global))
  #define __shared__ __attribute__((shared))
  #define __constant__ __attribute__((constant))
  
  __device__ int read_tid() {
  
  // CHECK: call i32 @llvm.ptx.read.tid.x()
  // CHECK: call i32 @llvm.ptx.read.tid.y()
  // CHECK: call i32 @llvm.ptx.read.tid.z()
  // CHECK: call i32 @llvm.ptx.read.tid.w()
  
    int x = __builtin_ptx_read_tid_x();
    int y = __builtin_ptx_read_tid_y();
    int z = __builtin_ptx_read_tid_z();
    int w = __builtin_ptx_read_tid_w();
  
    return x + y + z + w;
  
  }
  
  __device__ int read_ntid() {
  
  // CHECK: call i32 @llvm.ptx.read.ntid.x()
  // CHECK: call i32 @llvm.ptx.read.ntid.y()
  // CHECK: call i32 @llvm.ptx.read.ntid.z()
  // CHECK: call i32 @llvm.ptx.read.ntid.w()
  
    int x = __builtin_ptx_read_ntid_x();
    int y = __builtin_ptx_read_ntid_y();
    int z = __builtin_ptx_read_ntid_z();
    int w = __builtin_ptx_read_ntid_w();
  
    return x + y + z + w;
  
  }
  
  __device__ int read_ctaid() {
  
  // CHECK: call i32 @llvm.ptx.read.ctaid.x()
  // CHECK: call i32 @llvm.ptx.read.ctaid.y()
  // CHECK: call i32 @llvm.ptx.read.ctaid.z()
  // CHECK: call i32 @llvm.ptx.read.ctaid.w()
  
    int x = __builtin_ptx_read_ctaid_x();
    int y = __builtin_ptx_read_ctaid_y();
    int z = __builtin_ptx_read_ctaid_z();
    int w = __builtin_ptx_read_ctaid_w();
  
    return x + y + z + w;
  
  }
  
  __device__ int read_nctaid() {
  
  // CHECK: call i32 @llvm.ptx.read.nctaid.x()
  // CHECK: call i32 @llvm.ptx.read.nctaid.y()
  // CHECK: call i32 @llvm.ptx.read.nctaid.z()
  // CHECK: call i32 @llvm.ptx.read.nctaid.w()
  
    int x = __builtin_ptx_read_nctaid_x();
    int y = __builtin_ptx_read_nctaid_y();
    int z = __builtin_ptx_read_nctaid_z();
    int w = __builtin_ptx_read_nctaid_w();
  
    return x + y + z + w;
  
  }
  
  __device__ int read_ids() {
  
  // CHECK: call i32 @llvm.ptx.read.laneid()
  // CHECK: call i32 @llvm.ptx.read.warpid()
  // CHECK: call i32 @llvm.ptx.read.nwarpid()
  // CHECK: call i32 @llvm.ptx.read.smid()
  // CHECK: call i32 @llvm.ptx.read.nsmid()
  // CHECK: call i32 @llvm.ptx.read.gridid()
  
    int a = __builtin_ptx_read_laneid();
    int b = __builtin_ptx_read_warpid();
    int c = __builtin_ptx_read_nwarpid();
    int d = __builtin_ptx_read_smid();
    int e = __builtin_ptx_read_nsmid();
    int f = __builtin_ptx_read_gridid();
  
    return a + b + c + d + e + f;
  
  }
  
  __device__ int read_lanemasks() {
  
  // CHECK: call i32 @llvm.ptx.read.lanemask.eq()
  // CHECK: call i32 @llvm.ptx.read.lanemask.le()
  // CHECK: call i32 @llvm.ptx.read.lanemask.lt()
  // CHECK: call i32 @llvm.ptx.read.lanemask.ge()
  // CHECK: call i32 @llvm.ptx.read.lanemask.gt()
  
    int a = __builtin_ptx_read_lanemask_eq();
    int b = __builtin_ptx_read_lanemask_le();
    int c = __builtin_ptx_read_lanemask_lt();
    int d = __builtin_ptx_read_lanemask_ge();
    int e = __builtin_ptx_read_lanemask_gt();
  
    return a + b + c + d + e;
  
  }
  
  __device__ long long read_clocks() {
  
  // CHECK: call i32 @llvm.ptx.read.clock()
  // CHECK: call i64 @llvm.ptx.read.clock64()
  
    int a = __builtin_ptx_read_clock();
    long long b = __builtin_ptx_read_clock64();
  
    return a + b;
  }
  
  __device__ int read_pms() {
  
  // CHECK: call i32 @llvm.ptx.read.pm0()
  // CHECK: call i32 @llvm.ptx.read.pm1()
  // CHECK: call i32 @llvm.ptx.read.pm2()
  // CHECK: call i32 @llvm.ptx.read.pm3()
  
    int a = __builtin_ptx_read_pm0();
    int b = __builtin_ptx_read_pm1();
    int c = __builtin_ptx_read_pm2();
    int d = __builtin_ptx_read_pm3();
  
    return a + b + c + d;
  
  }
  
  __device__ void sync() {
  
  // CHECK: call void @llvm.ptx.bar.sync(i32 0)
  
    __builtin_ptx_bar_sync(0);
  
  }
  
  
  // NVVM intrinsics
  
  // The idea is not to test all intrinsics, just that Clang is recognizing the
  // builtins defined in BuiltinsNVPTX.def
  __device__ void nvvm_math(float f1, float f2, double d1, double d2) {
  // CHECK: call float @llvm.nvvm.fmax.f
    float t1 = __nvvm_fmax_f(f1, f2);
  // CHECK: call float @llvm.nvvm.fmin.f
    float t2 = __nvvm_fmin_f(f1, f2);
  // CHECK: call float @llvm.nvvm.sqrt.rn.f
    float t3 = __nvvm_sqrt_rn_f(f1);
  // CHECK: call float @llvm.nvvm.rcp.rn.f
    float t4 = __nvvm_rcp_rn_f(f2);
  // CHECK: call float @llvm.nvvm.add.rn.f
    float t5 = __nvvm_add_rn_f(f1, f2);
  
  // CHECK: call double @llvm.nvvm.fmax.d
    double td1 = __nvvm_fmax_d(d1, d2);
  // CHECK: call double @llvm.nvvm.fmin.d
    double td2 = __nvvm_fmin_d(d1, d2);
  // CHECK: call double @llvm.nvvm.sqrt.rn.d
    double td3 = __nvvm_sqrt_rn_d(d1);
  // CHECK: call double @llvm.nvvm.rcp.rn.d
    double td4 = __nvvm_rcp_rn_d(d2);
  
  // CHECK: call void @llvm.nvvm.membar.cta()
    __nvvm_membar_cta();
  // CHECK: call void @llvm.nvvm.membar.gl()
    __nvvm_membar_gl();
  // CHECK: call void @llvm.nvvm.membar.sys()
    __nvvm_membar_sys();
  // CHECK: call void @llvm.nvvm.barrier0()
    __nvvm_bar0();
  }
  
  __device__ int di;
  __shared__ int si;
  __device__ long dl;
  __shared__ long sl;
  __device__ long long dll;
  __shared__ long long sll;
  
  // Check for atomic intrinsics
  // CHECK-LABEL: nvvm_atom
  __device__ void nvvm_atom(float *fp, float f, int *ip, int i, long *lp, long l,
                            long long *llp, long long ll) {
    // CHECK: atomicrmw add
    __nvvm_atom_add_gen_i(ip, i);
    // CHECK: atomicrmw add
    __nvvm_atom_add_gen_l(&dl, l);
    // CHECK: atomicrmw add
    __nvvm_atom_add_gen_ll(&sll, ll);
  
    // CHECK: atomicrmw sub
    __nvvm_atom_sub_gen_i(ip, i);
    // CHECK: atomicrmw sub
    __nvvm_atom_sub_gen_l(&dl, l);
    // CHECK: atomicrmw sub
    __nvvm_atom_sub_gen_ll(&sll, ll);
  
    // CHECK: atomicrmw and
    __nvvm_atom_and_gen_i(ip, i);
    // CHECK: atomicrmw and
    __nvvm_atom_and_gen_l(&dl, l);
    // CHECK: atomicrmw and
    __nvvm_atom_and_gen_ll(&sll, ll);
  
    // CHECK: atomicrmw or
    __nvvm_atom_or_gen_i(ip, i);
    // CHECK: atomicrmw or
    __nvvm_atom_or_gen_l(&dl, l);
    // CHECK: atomicrmw or
    __nvvm_atom_or_gen_ll(&sll, ll);
  
    // CHECK: atomicrmw xor
    __nvvm_atom_xor_gen_i(ip, i);
    // CHECK: atomicrmw xor
    __nvvm_atom_xor_gen_l(&dl, l);
    // CHECK: atomicrmw xor
    __nvvm_atom_xor_gen_ll(&sll, ll);
  
    // CHECK: atomicrmw xchg
    __nvvm_atom_xchg_gen_i(ip, i);
    // CHECK: atomicrmw xchg
    __nvvm_atom_xchg_gen_l(&dl, l);
    // CHECK: atomicrmw xchg
    __nvvm_atom_xchg_gen_ll(&sll, ll);
  
    // CHECK: atomicrmw max i32*
    __nvvm_atom_max_gen_i(ip, i);
    // CHECK: atomicrmw umax i32*
    __nvvm_atom_max_gen_ui((unsigned int *)ip, i);
    // CHECK: atomicrmw max
    __nvvm_atom_max_gen_l(&dl, l);
    // CHECK: atomicrmw umax
    __nvvm_atom_max_gen_ul((unsigned long *)&dl, l);
    // CHECK: atomicrmw max i64*
    __nvvm_atom_max_gen_ll(&sll, ll);
    // CHECK: atomicrmw umax i64*
    __nvvm_atom_max_gen_ull((unsigned long long *)&sll, ll);
  
    // CHECK: atomicrmw min i32*
    __nvvm_atom_min_gen_i(ip, i);
    // CHECK: atomicrmw umin i32*
    __nvvm_atom_min_gen_ui((unsigned int *)ip, i);
    // CHECK: atomicrmw min
    __nvvm_atom_min_gen_l(&dl, l);
    // CHECK: atomicrmw umin
    __nvvm_atom_min_gen_ul((unsigned long *)&dl, l);
    // CHECK: atomicrmw min i64*
    __nvvm_atom_min_gen_ll(&sll, ll);
    // CHECK: atomicrmw umin i64*
    __nvvm_atom_min_gen_ull((unsigned long long *)&sll, ll);
  
    // CHECK: cmpxchg
    __nvvm_atom_cas_gen_i(ip, 0, i);
    // CHECK: cmpxchg
    __nvvm_atom_cas_gen_l(&dl, 0, l);
    // CHECK: cmpxchg
    __nvvm_atom_cas_gen_ll(&sll, 0, ll);
  
    // CHECK: call float @llvm.nvvm.atomic.load.add.f32.p0f32
    __nvvm_atom_add_gen_f(fp, f);
  
    // CHECK: ret
  }
  