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gerrit-public.fairphone.software / fp2-dev / platform / external / clang / 0e2c34f92f00628d48968dfea096d36381f494cb / . / test / OpenMP / atomic_read_codegen.c
blob: c97fe8c2901cd9774b3253395d4de41607f0cb87 [file] [log] [blame]
Stephen Hines0e2c34f2015-03-23 12:09:02 -0700[diff] [blame^]1// RUN: %clang_cc1 -verify -triple x86_64-apple-darwin10 -fopenmp=libiomp5 -x c -emit-llvm %s -o - | FileCheck %s
2// RUN: %clang_cc1 -fopenmp=libiomp5 -x c -triple x86_64-apple-darwin10 -emit-pch -o %t %s
3// RUN: %clang_cc1 -fopenmp=libiomp5 -x c -triple x86_64-apple-darwin10 -include-pch %t -verify %s -emit-llvm -o - | FileCheck %s
4// expected-no-diagnostics
5
6#ifndef HEADER
7#define HEADER
8
9_Bool bv, bx;
10char cv, cx;
11unsigned char ucv, ucx;
12short sv, sx;
13unsigned short usv, usx;
14int iv, ix;
15unsigned int uiv, uix;
16long lv, lx;
17unsigned long ulv, ulx;
18long long llv, llx;
19unsigned long long ullv, ullx;
20float fv, fx;
21double dv, dx;
22long double ldv, ldx;
23_Complex int civ, cix;
24_Complex float cfv, cfx;
25_Complex double cdv, cdx;
26
27typedef int int4 __attribute__((__vector_size__(16)));
28int4 int4x;
29
30struct BitFields {
31 int : 32;
32 int a : 31;
33} bfx;
34
35struct BitFields_packed {
36 int : 32;
37 int a : 31;
38} __attribute__ ((__packed__)) bfx_packed;
39
40struct BitFields2 {
41 int : 31;
42 int a : 1;
43} bfx2;
44
45struct BitFields2_packed {
46 int : 31;
47 int a : 1;
48} __attribute__ ((__packed__)) bfx2_packed;
49
50struct BitFields3 {
51 int : 11;
52 int a : 14;
53} bfx3;
54
55struct BitFields3_packed {
56 int : 11;
57 int a : 14;
58} __attribute__ ((__packed__)) bfx3_packed;
59
60struct BitFields4 {
61 short : 16;
62 int a: 1;
63 long b : 7;
64} bfx4;
65
66struct BitFields4_packed {
67 short : 16;
68 int a: 1;
69 long b : 7;
70} __attribute__ ((__packed__)) bfx4_packed;
71
72typedef float float2 __attribute__((ext_vector_type(2)));
73float2 float2x;
74
75register int rix __asm__("0");
76
77int main() {
78// CHECK: load atomic i8*
79// CHECK: store i8
80#pragma omp atomic read
81 bv = bx;
82// CHECK: load atomic i8*
83// CHECK: store i8
84#pragma omp atomic read
85 cv = cx;
86// CHECK: load atomic i8*
87// CHECK: store i8
88#pragma omp atomic read
89 ucv = ucx;
90// CHECK: load atomic i16*
91// CHECK: store i16
92#pragma omp atomic read
93 sv = sx;
94// CHECK: load atomic i16*
95// CHECK: store i16
96#pragma omp atomic read
97 usv = usx;
98// CHECK: load atomic i32*
99// CHECK: store i32
100#pragma omp atomic read
101 iv = ix;
102// CHECK: load atomic i32*
103// CHECK: store i32
104#pragma omp atomic read
105 uiv = uix;
106// CHECK: load atomic i64*
107// CHECK: store i64
108#pragma omp atomic read
109 lv = lx;
110// CHECK: load atomic i64*
111// CHECK: store i64
112#pragma omp atomic read
113 ulv = ulx;
114// CHECK: load atomic i64*
115// CHECK: store i64
116#pragma omp atomic read
117 llv = llx;
118// CHECK: load atomic i64*
119// CHECK: store i64
120#pragma omp atomic read
121 ullv = ullx;
122// CHECK: load atomic i32* bitcast (float*
123// CHECK: bitcast i32 {{.*}} to float
124// CHECK: store float
125#pragma omp atomic read
126 fv = fx;
127// CHECK: load atomic i64* bitcast (double*
128// CHECK: bitcast i64 {{.*}} to double
129// CHECK: store double
130#pragma omp atomic read
131 dv = dx;
132// CHECK: [[LD:%.+]] = load atomic i128* bitcast (x86_fp80*
133// CHECK: [[BITCAST:%.+]] = bitcast x86_fp80* [[LDTEMP:%.*]] to i128*
134// CHECK: store i128 [[LD]], i128* [[BITCAST]]
135// CHECK: [[LD:%.+]] = load x86_fp80* [[LDTEMP]]
136// CHECK: store x86_fp80 [[LD]]
137#pragma omp atomic read
138 ldv = ldx;
139// CHECK: call{{.*}} void @__atomic_load(i64 8,
140// CHECK: store i32
141// CHECK: store i32
142#pragma omp atomic read
143 civ = cix;
144// CHECK: call{{.*}} void @__atomic_load(i64 8,
145// CHECK: store float
146// CHECK: store float
147#pragma omp atomic read
148 cfv = cfx;
149// CHECK: call{{.*}} void @__atomic_load(i64 16,
150// CHECK: call{{.*}} @__kmpc_flush(
151// CHECK: store double
152// CHECK: store double
153#pragma omp atomic seq_cst read
154 cdv = cdx;
155// CHECK: load atomic i64*
156// CHECK: store i8
157#pragma omp atomic read
158 bv = ulx;
159// CHECK: load atomic i8*
160// CHECK: store i8
161#pragma omp atomic read
162 cv = bx;
163// CHECK: load atomic i8*
164// CHECK: call{{.*}} @__kmpc_flush(
165// CHECK: store i8
166#pragma omp atomic read, seq_cst
167 ucv = cx;
168// CHECK: load atomic i64*
169// CHECK: store i16
170#pragma omp atomic read
171 sv = ulx;
172// CHECK: load atomic i64*
173// CHECK: store i16
174#pragma omp atomic read
175 usv = lx;
176// CHECK: load atomic i32*
177// CHECK: call{{.*}} @__kmpc_flush(
178// CHECK: store i32
179#pragma omp atomic seq_cst, read
180 iv = uix;
181// CHECK: load atomic i32*
182// CHECK: store i32
183#pragma omp atomic read
184 uiv = ix;
185// CHECK: call{{.*}} void @__atomic_load(i64 8,
186// CHECK: store i64
187#pragma omp atomic read
188 lv = cix;
189// CHECK: load atomic i32*
190// CHECK: store i64
191#pragma omp atomic read
192 ulv = fx;
193// CHECK: load atomic i64*
194// CHECK: store i64
195#pragma omp atomic read
196 llv = dx;
197// CHECK: load atomic i128*
198// CHECK: store i64
199#pragma omp atomic read
200 ullv = ldx;
201// CHECK: call{{.*}} void @__atomic_load(i64 8,
202// CHECK: store float
203#pragma omp atomic read
204 fv = cix;
205// CHECK: load atomic i16*
206// CHECK: store double
207#pragma omp atomic read
208 dv = sx;
209// CHECK: load atomic i8*
210// CHECK: store x86_fp80
211#pragma omp atomic read
212 ldv = bx;
213// CHECK: load atomic i8*
214// CHECK: store i32
215// CHECK: store i32
216#pragma omp atomic read
217 civ = bx;
218// CHECK: load atomic i16*
219// CHECK: store float
220// CHECK: store float
221#pragma omp atomic read
222 cfv = usx;
223// CHECK: load atomic i64*
224// CHECK: store double
225// CHECK: store double
226#pragma omp atomic read
227 cdv = llx;
228// CHECK: [[I128VAL:%.+]] = load atomic i128* bitcast (<4 x i32>* @{{.+}} to i128*) monotonic
229// CHECK: [[I128PTR:%.+]] = bitcast <4 x i32>* [[LDTEMP:%.+]] to i128*
230// CHECK: store i128 [[I128VAL]], i128* [[I128PTR]]
231// CHECK: [[LD:%.+]] = load <4 x i32>* [[LDTEMP]]
232// CHECK: extractelement <4 x i32> [[LD]]
233// CHECK: store i8
234#pragma omp atomic read
235 bv = int4x[0];
236// CHECK: [[LD:%.+]] = load atomic i32* bitcast (i8* getelementptr (i8* bitcast (%{{.+}}* @{{.+}} to i8*), i64 4) to i32*) monotonic
237// CHECK: store i32 [[LD]], i32* [[LDTEMP:%.+]]
238// CHECK: [[LD:%.+]] = load i32* [[LDTEMP]]
239// CHECK: [[SHL:%.+]] = shl i32 [[LD]], 1
240// CHECK: ashr i32 [[SHL]], 1
241// CHECK: store x86_fp80
242#pragma omp atomic read
243 ldv = bfx.a;
244// CHECK: [[LDTEMP_VOID_PTR:%.+]] = bitcast i32* [[LDTEMP:%.+]] to i8*
245// CHECK: call void @__atomic_load(i64 4, i8* getelementptr (i8* bitcast (%struct.BitFields_packed* @bfx_packed to i8*), i64 4), i8* [[LDTEMP_VOID_PTR]], i32 5)
246// CHECK: [[LD:%.+]] = load i32* [[LDTEMP]]
247// CHECK: [[SHL:%.+]] = shl i32 [[LD]], 1
248// CHECK: ashr i32 [[SHL]], 1
249// CHECK: store x86_fp80
250#pragma omp atomic read
251 ldv = bfx_packed.a;
252// CHECK: [[LD:%.+]] = load atomic i32* getelementptr inbounds (%struct.BitFields2* @bfx2, i32 0, i32 0) monotonic
253// CHECK: store i32 [[LD]], i32* [[LDTEMP:%.+]]
254// CHECK: [[LD:%.+]] = load i32* [[LDTEMP]]
255// CHECK: ashr i32 [[LD]], 31
256// CHECK: store x86_fp80
257#pragma omp atomic read
258 ldv = bfx2.a;
259// CHECK: [[LD:%.+]] = load atomic i8* getelementptr (i8* bitcast (%struct.BitFields2_packed* @bfx2_packed to i8*), i64 3) monotonic
260// CHECK: store i8 [[LD]], i8* [[LDTEMP:%.+]]
261// CHECK: [[LD:%.+]] = load i8* [[LDTEMP]]
262// CHECK: ashr i8 [[LD]], 7
263// CHECK: store x86_fp80
264#pragma omp atomic read
265 ldv = bfx2_packed.a;
266// CHECK: [[LD:%.+]] = load atomic i32* getelementptr inbounds (%struct.BitFields3* @bfx3, i32 0, i32 0) monotonic
267// CHECK: store i32 [[LD]], i32* [[LDTEMP:%.+]]
268// CHECK: [[LD:%.+]] = load i32* [[LDTEMP]]
269// CHECK: [[SHL:%.+]] = shl i32 [[LD]], 7
270// CHECK: ashr i32 [[SHL]], 18
271// CHECK: store x86_fp80
272#pragma omp atomic read
273 ldv = bfx3.a;
274// CHECK: [[LDTEMP_VOID_PTR:%.+]] = bitcast i24* [[LDTEMP:%.+]] to i8*
275// CHECK: call void @__atomic_load(i64 3, i8* getelementptr (i8* bitcast (%struct.BitFields3_packed* @bfx3_packed to i8*), i64 1), i8* [[LDTEMP_VOID_PTR]], i32 5)
276// CHECK: [[LD:%.+]] = load i24* [[LDTEMP]]
277// CHECK: [[SHL:%.+]] = shl i24 [[LD]], 7
278// CHECK: [[ASHR:%.+]] = ashr i24 [[SHL]], 10
279// CHECK: sext i24 [[ASHR]] to i32
280// CHECK: store x86_fp80
281#pragma omp atomic read
282 ldv = bfx3_packed.a;
283// CHECK: [[LD:%.+]] = load atomic i64* bitcast (%struct.BitFields4* @bfx4 to i64*) monotonic
284// CHECK: store i64 [[LD]], i64* [[LDTEMP:%.+]]
285// CHECK: [[LD:%.+]] = load i64* [[LDTEMP]]
286// CHECK: [[SHL:%.+]] = shl i64 [[LD]], 47
287// CHECK: [[ASHR:%.+]] = ashr i64 [[SHL]], 63
288// CHECK: trunc i64 [[ASHR]] to i32
289// CHECK: store x86_fp80
290#pragma omp atomic read
291 ldv = bfx4.a;
292// CHECK: [[LD:%.+]] = load atomic i8* getelementptr inbounds (%struct.BitFields4_packed* @bfx4_packed, i32 0, i32 0, i64 2) monotonic
293// CHECK: store i8 [[LD]], i8* [[LDTEMP:%.+]]
294// CHECK: [[LD:%.+]] = load i8* [[LDTEMP]]
295// CHECK: [[SHL:%.+]] = shl i8 [[LD]], 7
296// CHECK: [[ASHR:%.+]] = ashr i8 [[SHL]], 7
297// CHECK: sext i8 [[ASHR]] to i32
298// CHECK: store x86_fp80
299#pragma omp atomic read
300 ldv = bfx4_packed.a;
301// CHECK: [[LD:%.+]] = load atomic i64* bitcast (%struct.BitFields4* @bfx4 to i64*) monotonic
302// CHECK: store i64 [[LD]], i64* [[LDTEMP:%.+]]
303// CHECK: [[LD:%.+]] = load i64* [[LDTEMP]]
304// CHECK: [[SHL:%.+]] = shl i64 [[LD]], 40
305// CHECK: [[ASHR:%.+]] = ashr i64 [[SHL]], 57
306// CHECK: store x86_fp80
307#pragma omp atomic read
308 ldv = bfx4.b;
309// CHECK: [[LD:%.+]] = load atomic i8* getelementptr inbounds (%struct.BitFields4_packed* @bfx4_packed, i32 0, i32 0, i64 2) monotonic
310// CHECK: store i8 [[LD]], i8* [[LDTEMP:%.+]]
311// CHECK: [[LD:%.+]] = load i8* [[LDTEMP]]
312// CHECK: [[ASHR:%.+]] = ashr i8 [[LD]], 1
313// CHECK: sext i8 [[ASHR]] to i64
314// CHECK: store x86_fp80
315#pragma omp atomic read
316 ldv = bfx4_packed.b;
317// CHECK: [[LD:%.+]] = load atomic i32* bitcast (<2 x float>* @{{.+}} to i32*) monotonic
318// CHECK: [[BITCAST:%.+]] = bitcast <2 x float>* [[LDTEMP:%.+]] to i32*
319// CHECK: store i32 [[LD]], i32* [[BITCAST]]
320// CHECK: [[LD:%.+]] = load <2 x float>* [[LDTEMP]]
321// CHECK: extractelement <2 x float> [[LD]]
322// CHECK: store i64
323#pragma omp atomic read
324 ulv = float2x.x;
325// CHECK: call{{.*}} i{{[0-9]+}} @llvm.read_register
326// CHECK: call{{.*}} @__kmpc_flush(
327// CHECK: store double
328#pragma omp atomic read seq_cst
329 dv = rix;
330 return 0;
331}
332
333#endif