summaryrefslogtreecommitdiff
path: root/test/CodeGen/builtins-nvptx.c
blob: 2c7e0c136769736530471b28bbfdfac3384dd182 (plain)
1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
32
33
34
35
36
37
38
39
40
41
42
43
44
45
46
47
48
49
50
51
52
53
54
55
56
57
58
59
60
61
62
63
64
65
66
67
68
69
70
71
72
73
74
75
76
77
78
79
80
81
82
83
84
85
86
87
88
89
90
91
92
93
94
95
96
97
98
99
100
101
102
103
104
105
106
107
108
109
110
111
112
113
114
115
116
117
118
119
120
121
122
123
124
125
126
127
128
129
130
131
132
133
134
135
136
137
138
139
140
141
142
143
144
145
146
147
148
149
150
151
152
153
154
155
156
157
158
159
160
161
162
163
164
165
166
167
168
// REQUIRES: nvptx-registered-target
// REQUIRES: nvptx64-registered-target
// RUN: %clang_cc1 -triple nvptx-unknown-unknown -S -emit-llvm -o - %s | FileCheck %s
// RUN: %clang_cc1 -triple nvptx64-unknown-unknown -S -emit-llvm -o - %s | FileCheck %s

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;

}

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;

}

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;

}

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;

}

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;

}

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;

}


long read_clocks() {

// CHECK: call i32 @llvm.ptx.read.clock()
// CHECK: call i64 @llvm.ptx.read.clock64()

  int a = __builtin_ptx_read_clock();
  long b = __builtin_ptx_read_clock64();

  return (long)a + b;

}

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;

}

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
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 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);
}