xref: /llvm-project/clang/test/OpenMP/for_scan_codegen.cpp (revision 7eca38ce76d5d1915f4ab7e665964062c0b37697)
1 // RUN: %clang_cc1 -verify -fopenmp -x c++ -triple x86_64-unknown-unknown -emit-llvm %s -o - | FileCheck %s
2 // RUN: %clang_cc1 -fopenmp -x c++ -std=c++11 -triple x86_64-unknown-unknown -emit-pch -o %t %s
3 // RUN: %clang_cc1 -fopenmp -x c++ -triple x86_64-unknown-unknown -std=c++11 -include-pch %t -verify %s -emit-llvm -o - | FileCheck %s
4 
5 // RUN: %clang_cc1 -verify -fopenmp-simd -x c++ -triple x86_64-unknown-unknown -emit-llvm %s -o - | FileCheck --check-prefix SIMD-ONLY0 %s
6 // RUN: %clang_cc1 -fopenmp-simd -x c++ -std=c++11 -triple x86_64-unknown-unknown -emit-pch -o %t %s
7 // RUN: %clang_cc1 -fopenmp-simd -x c++ -triple x86_64-unknown-unknown -std=c++11 -include-pch %t -verify %s -emit-llvm -o - | FileCheck --check-prefix SIMD-ONLY0 %s
8 // SIMD-ONLY0-NOT: {{__kmpc|__tgt}}
9 // expected-no-diagnostics
10 #ifndef HEADER
11 #define HEADER
12 
13 void foo();
14 void bar();
15 
16 // CHECK: define{{.*}} void @{{.*}}baz{{.*}}(i32 noundef %n)
17 void baz(int n) {
18   static float a[10];
19   static double b;
20   // CHECK: call ptr @llvm.stacksave.p0()
21   // CHECK: [[A_BUF_SIZE:%.+]] = mul nuw i64 10, [[NUM_ELEMS:%[^,]+]]
22 
23   // float a_buffer[10][n];
24   // CHECK: [[A_BUF:%.+]] = alloca float, i64 [[A_BUF_SIZE]],
25 
26   // double b_buffer[10];
27   // CHECK: [[B_BUF:%.+]] = alloca double, i64 10,
28 #pragma omp for reduction(inscan, +:a[:n], b)
29   for (int i = 0; i < 10; ++i) {
30     // CHECK: call void @__kmpc_for_static_init_4(
31     // CHECK: call ptr @llvm.stacksave.p0()
32     // CHECK: store float 0.000000e+00, ptr %
33     // CHECK: store double 0.000000e+00, ptr [[B_PRIV_ADDR:%.+]],
34     // CHECK: br label %[[DISPATCH:[^,]+]]
35     // CHECK: [[INPUT_PHASE:.+]]:
36     // CHECK: call void @{{.+}}foo{{.+}}()
37 
38     // a_buffer[i][0..n] = a_priv[[0..n];
39     // CHECK: [[BASE_IDX_I:%.+]] = load i32, ptr [[IV_ADDR:%.+]],
40     // CHECK: [[BASE_IDX:%.+]] = zext i32 [[BASE_IDX_I]] to i64
41     // CHECK: [[IDX:%.+]] = mul nsw i64 [[BASE_IDX]], [[NUM_ELEMS]]
42     // CHECK: [[A_BUF_IDX:%.+]] = getelementptr inbounds nuw float, ptr [[A_BUF]], i64 [[IDX]]
43     // CHECK: [[A_PRIV:%.+]] = getelementptr inbounds nuw [10 x float], ptr [[A_PRIV_ADDR:%.+]], i64 0, i64 0
44     // CHECK: [[BYTES:%.+]] = mul nuw i64 [[NUM_ELEMS:%.+]], 4
45     // CHECK: call void @llvm.memcpy.p0.p0.i64(ptr {{.*}}[[A_BUF_IDX]], ptr {{.*}}[[A_PRIV]], i64 [[BYTES]], i1 false)
46 
47     // b_buffer[i] = b_priv;
48     // CHECK: [[B_BUF_IDX:%.+]] = getelementptr inbounds nuw double, ptr [[B_BUF]], i64 [[BASE_IDX]]
49     // CHECK: [[B_PRIV:%.+]] = load double, ptr [[B_PRIV_ADDR]],
50     // CHECK: store double [[B_PRIV]], ptr [[B_BUF_IDX]],
51     // CHECK: br label %[[LOOP_CONTINUE:.+]]
52 
53     // CHECK: [[DISPATCH]]:
54     // CHECK: br label %[[INPUT_PHASE]]
55     // CHECK: [[LOOP_CONTINUE]]:
56     // CHECK: call void @llvm.stackrestore.p0(ptr %
57     // CHECK: call void @__kmpc_for_static_fini(
58     // CHECK: call void @__kmpc_barrier(
59     foo();
60 #pragma omp scan inclusive(a[:n], b)
61     // CHECK: [[LOG2_10:%.+]] = call double @llvm.log2.f64(double 1.000000e+01)
62     // CHECK: [[CEIL_LOG2_10:%.+]] = call double @llvm.ceil.f64(double [[LOG2_10]])
63     // CHECK: [[CEIL_LOG2_10_INT:%.+]] = fptoui double [[CEIL_LOG2_10]] to i32
64     // CHECK: br label %[[OUTER_BODY:[^,]+]]
65     // CHECK: [[OUTER_BODY]]:
66     // CHECK: [[K:%.+]] = phi i32 [ 0, %{{.+}} ], [ [[K_NEXT:%.+]], %{{.+}} ]
67     // CHECK: [[K2POW:%.+]] = phi i64 [ 1, %{{.+}} ], [ [[K2POW_NEXT:%.+]], %{{.+}} ]
68     // CHECK: [[CMP:%.+]] = icmp uge i64 9, [[K2POW]]
69     // CHECK: br i1 [[CMP]], label %[[INNER_BODY:[^,]+]], label %[[INNER_EXIT:[^,]+]]
70     // CHECK: [[INNER_BODY]]:
71     // CHECK: [[I:%.+]] = phi i64 [ 9, %[[OUTER_BODY]] ], [ [[I_PREV:%.+]], %{{.+}} ]
72 
73     // a_buffer[i] += a_buffer[i-pow(2, k)];
74     // CHECK: [[IDX:%.+]] = mul nsw i64 [[I]], [[NUM_ELEMS]]
75     // CHECK: [[A_BUF_IDX:%.+]] = getelementptr inbounds nuw float, ptr [[A_BUF]], i64 [[IDX]]
76     // CHECK: [[IDX_SUB_K2POW:%.+]] = sub nuw i64 [[I]], [[K2POW]]
77     // CHECK: [[IDX:%.+]] = mul nsw i64 [[IDX_SUB_K2POW]], [[NUM_ELEMS]]
78     // CHECK: [[A_BUF_IDX_SUB_K2POW:%.+]] = getelementptr inbounds nuw float, ptr [[A_BUF]], i64 [[IDX]]
79     // CHECK: [[B_BUF_IDX:%.+]] = getelementptr inbounds nuw double, ptr [[B_BUF]], i64 [[I]]
80     // CHECK: [[IDX_SUB_K2POW:%.+]] = sub nuw i64 [[I]], [[K2POW]]
81     // CHECK: [[B_BUF_IDX_SUB_K2POW:%.+]] = getelementptr inbounds nuw double, ptr [[B_BUF]], i64 [[IDX_SUB_K2POW]]
82     // CHECK: [[A_BUF_END:%.+]] = getelementptr float, ptr [[A_BUF_IDX]], i64 [[NUM_ELEMS]]
83     // CHECK: [[ISEMPTY:%.+]] = icmp eq ptr [[A_BUF_IDX]], [[A_BUF_END]]
84     // CHECK: br i1 [[ISEMPTY]], label %[[RED_DONE:[^,]+]], label %[[RED_BODY:[^,]+]]
85     // CHECK: [[RED_BODY]]:
86     // CHECK: [[A_BUF_IDX_SUB_K2POW_ELEM:%.+]] = phi ptr [ [[A_BUF_IDX_SUB_K2POW]], %[[INNER_BODY]] ], [ [[A_BUF_IDX_SUB_K2POW_NEXT:%.+]], %[[RED_BODY]] ]
87     // CHECK: [[A_BUF_IDX_ELEM:%.+]] = phi ptr [ [[A_BUF_IDX]], %[[INNER_BODY]] ], [ [[A_BUF_IDX_NEXT:%.+]], %[[RED_BODY]] ]
88     // CHECK: [[A_BUF_IDX_VAL:%.+]] = load float, ptr [[A_BUF_IDX_ELEM]],
89     // CHECK: [[A_BUF_IDX_SUB_K2POW_VAL:%.+]] = load float, ptr [[A_BUF_IDX_SUB_K2POW_ELEM]],
90     // CHECK: [[RED:%.+]] = fadd float [[A_BUF_IDX_VAL]], [[A_BUF_IDX_SUB_K2POW_VAL]]
91     // CHECK: store float [[RED]], ptr [[A_BUF_IDX_ELEM]],
92     // CHECK: [[A_BUF_IDX_NEXT]] = getelementptr float, ptr [[A_BUF_IDX_ELEM]], i32 1
93     // CHECK: [[A_BUF_IDX_SUB_K2POW_NEXT]] = getelementptr float, ptr [[A_BUF_IDX_SUB_K2POW_ELEM]], i32 1
94     // CHECK: [[DONE:%.+]] = icmp eq ptr [[A_BUF_IDX_NEXT]], [[A_BUF_END]]
95     // CHECK: br i1 [[DONE]], label %[[RED_DONE]], label %[[RED_BODY]]
96     // CHECK: [[RED_DONE]]:
97 
98     // b_buffer[i] += b_buffer[i-pow(2, k)];
99     // CHECK: [[B_BUF_IDX_VAL:%.+]] = load double, ptr [[B_BUF_IDX]],
100     // CHECK: [[B_BUF_IDX_SUB_K2POW_VAL:%.+]] = load double, ptr [[B_BUF_IDX_SUB_K2POW]],
101     // CHECK: [[RED:%.+]] = fadd double [[B_BUF_IDX_VAL]], [[B_BUF_IDX_SUB_K2POW_VAL]]
102     // CHECK: store double [[RED]], ptr [[B_BUF_IDX]],
103 
104     // --i;
105     // CHECK: [[I_PREV:%.+]] = sub nuw i64 [[I]], 1
106     // CHECK: [[CMP:%.+]] = icmp uge i64 [[I_PREV]], [[K2POW]]
107     // CHECK: br i1 [[CMP]], label %[[INNER_BODY]], label %[[INNER_EXIT]]
108     // CHECK: [[INNER_EXIT]]:
109 
110     // ++k;
111     // CHECK: [[K_NEXT]] = add nuw i32 [[K]], 1
112     // k2pow <<= 1;
113     // CHECK: [[K2POW_NEXT]] = shl nuw i64 [[K2POW]], 1
114     // CHECK: [[CMP:%.+]] = icmp ne i32 [[K_NEXT]], [[CEIL_LOG2_10_INT]]
115     // CHECK: br i1 [[CMP]], label %[[OUTER_BODY]], label %[[OUTER_EXIT:[^,]+]]
116     // CHECK: [[OUTER_EXIT]]:
117     bar();
118     // CHECK: call void @__kmpc_for_static_init_4(
119     // CHECK: call ptr @llvm.stacksave.p0()
120     // CHECK: store float 0.000000e+00, ptr %
121     // CHECK: store double 0.000000e+00, ptr [[B_PRIV_ADDR:%.+]],
122     // CHECK: br label %[[DISPATCH:[^,]+]]
123 
124     // Skip the before scan body.
125     // CHECK: call void @{{.+}}foo{{.+}}()
126 
127     // CHECK: [[EXIT_INSCAN:[^,]+]]:
128     // CHECK: br label %[[LOOP_CONTINUE:[^,]+]]
129 
130     // CHECK: [[DISPATCH]]:
131     // a_priv[[0..n] = a_buffer[i][0..n];
132     // CHECK: [[BASE_IDX_I:%.+]] = load i32, ptr [[IV_ADDR:%.+]],
133     // CHECK: [[BASE_IDX:%.+]] = zext i32 [[BASE_IDX_I]] to i64
134     // CHECK: [[IDX:%.+]] = mul nsw i64 [[BASE_IDX]], [[NUM_ELEMS]]
135     // CHECK: [[A_BUF_IDX:%.+]] = getelementptr inbounds nuw float, ptr [[A_BUF]], i64 [[IDX]]
136     // CHECK: [[A_PRIV:%.+]] = getelementptr inbounds nuw [10 x float], ptr [[A_PRIV_ADDR:%.+]], i64 0, i64 0
137     // CHECK: [[BYTES:%.+]] = mul nuw i64 [[NUM_ELEMS:%.+]], 4
138     // CHECK: call void @llvm.memcpy.p0.p0.i64(ptr {{.*}}[[A_PRIV]], ptr {{.*}}[[A_BUF_IDX]], i64 [[BYTES]], i1 false)
139 
140     // b_priv = b_buffer[i];
141     // CHECK: [[B_BUF_IDX:%.+]] = getelementptr inbounds nuw double, ptr [[B_BUF]], i64 [[BASE_IDX]]
142     // CHECK: [[B_BUF_IDX_VAL:%.+]] = load double, ptr [[B_BUF_IDX]],
143     // CHECK: store double [[B_BUF_IDX_VAL]], ptr [[B_PRIV_ADDR]],
144     // CHECK: br label %[[SCAN_PHASE:[^,]+]]
145 
146     // CHECK: [[SCAN_PHASE]]:
147     // CHECK: call void @{{.+}}bar{{.+}}()
148     // CHECK: br label %[[EXIT_INSCAN]]
149 
150     // CHECK: [[LOOP_CONTINUE]]:
151     // CHECK: call void @llvm.stackrestore.p0(ptr %
152     // CHECK: call void @__kmpc_for_static_fini(
153     // CHECK: call void @llvm.stackrestore.p0(ptr
154     // CHECK: call void @__kmpc_barrier(
155   }
156 
157   // CHECK: call ptr @llvm.stacksave.p0()
158   // CHECK: [[A_BUF_SIZE:%.+]] = mul nuw i64 10, [[NUM_ELEMS:%[^,]+]]
159 
160   // float a_buffer[10][n];
161   // CHECK: [[A_BUF:%.+]] = alloca float, i64 [[A_BUF_SIZE]],
162 
163   // double b_buffer[10];
164   // CHECK: [[B_BUF:%.+]] = alloca double, i64 10,
165 #pragma omp for reduction(inscan, +:a[:n], b)
166   for (int i = 0; i < 10; ++i) {
167     // CHECK: call void @__kmpc_for_static_init_4(
168     // CHECK: call ptr @llvm.stacksave.p0()
169     // CHECK: store float 0.000000e+00, ptr %
170     // CHECK: store double 0.000000e+00, ptr [[B_PRIV_ADDR:%.+]],
171     // CHECK: br label %[[DISPATCH:[^,]+]]
172 
173     // Skip the before scan body.
174     // CHECK: call void @{{.+}}foo{{.+}}()
175 
176     // CHECK: [[EXIT_INSCAN:[^,]+]]:
177 
178     // a_buffer[i][0..n] = a_priv[[0..n];
179     // CHECK: [[BASE_IDX_I:%.+]] = load i32, ptr [[IV_ADDR:%.+]],
180     // CHECK: [[BASE_IDX:%.+]] = zext i32 [[BASE_IDX_I]] to i64
181     // CHECK: [[IDX:%.+]] = mul nsw i64 [[BASE_IDX]], [[NUM_ELEMS]]
182     // CHECK: [[A_BUF_IDX:%.+]] = getelementptr inbounds nuw float, ptr [[A_BUF]], i64 [[IDX]]
183     // CHECK: [[A_PRIV:%.+]] = getelementptr inbounds nuw [10 x float], ptr [[A_PRIV_ADDR:%.+]], i64 0, i64 0
184     // CHECK: [[BYTES:%.+]] = mul nuw i64 [[NUM_ELEMS:%.+]], 4
185     // CHECK: call void @llvm.memcpy.p0.p0.i64(ptr {{.*}}[[A_BUF_IDX]], ptr {{.*}}[[A_PRIV]], i64 [[BYTES]], i1 false)
186 
187     // b_buffer[i] = b_priv;
188     // CHECK: [[B_BUF_IDX:%.+]] = getelementptr inbounds nuw double, ptr [[B_BUF]], i64 [[BASE_IDX]]
189     // CHECK: [[B_PRIV:%.+]] = load double, ptr [[B_PRIV_ADDR]],
190     // CHECK: store double [[B_PRIV]], ptr [[B_BUF_IDX]],
191     // CHECK: br label %[[LOOP_CONTINUE:[^,]+]]
192 
193     // CHECK: [[DISPATCH]]:
194     // CHECK: br label %[[INPUT_PHASE:[^,]+]]
195 
196     // CHECK: [[INPUT_PHASE]]:
197     // CHECK: call void @{{.+}}bar{{.+}}()
198     // CHECK: br label %[[EXIT_INSCAN]]
199 
200     // CHECK: [[LOOP_CONTINUE]]:
201     // CHECK: call void @llvm.stackrestore.p0(ptr %
202     // CHECK: call void @__kmpc_for_static_fini(
203     // CHECK: call void @__kmpc_barrier(
204     foo();
205 #pragma omp scan exclusive(a[:n], b)
206     // CHECK: [[LOG2_10:%.+]] = call double @llvm.log2.f64(double 1.000000e+01)
207     // CHECK: [[CEIL_LOG2_10:%.+]] = call double @llvm.ceil.f64(double [[LOG2_10]])
208     // CHECK: [[CEIL_LOG2_10_INT:%.+]] = fptoui double [[CEIL_LOG2_10]] to i32
209     // CHECK: br label %[[OUTER_BODY:[^,]+]]
210     // CHECK: [[OUTER_BODY]]:
211     // CHECK: [[K:%.+]] = phi i32 [ 0, %{{.+}} ], [ [[K_NEXT:%.+]], %{{.+}} ]
212     // CHECK: [[K2POW:%.+]] = phi i64 [ 1, %{{.+}} ], [ [[K2POW_NEXT:%.+]], %{{.+}} ]
213     // CHECK: [[CMP:%.+]] = icmp uge i64 9, [[K2POW]]
214     // CHECK: br i1 [[CMP]], label %[[INNER_BODY:[^,]+]], label %[[INNER_EXIT:[^,]+]]
215     // CHECK: [[INNER_BODY]]:
216     // CHECK: [[I:%.+]] = phi i64 [ 9, %[[OUTER_BODY]] ], [ [[I_PREV:%.+]], %{{.+}} ]
217 
218     // a_buffer[i] += a_buffer[i-pow(2, k)];
219     // CHECK: [[IDX:%.+]] = mul nsw i64 [[I]], [[NUM_ELEMS]]
220     // CHECK: [[A_BUF_IDX:%.+]] = getelementptr inbounds nuw float, ptr [[A_BUF]], i64 [[IDX]]
221     // CHECK: [[IDX_SUB_K2POW:%.+]] = sub nuw i64 [[I]], [[K2POW]]
222     // CHECK: [[IDX:%.+]] = mul nsw i64 [[IDX_SUB_K2POW]], [[NUM_ELEMS]]
223     // CHECK: [[A_BUF_IDX_SUB_K2POW:%.+]] = getelementptr inbounds nuw float, ptr [[A_BUF]], i64 [[IDX]]
224     // CHECK: [[B_BUF_IDX:%.+]] = getelementptr inbounds nuw double, ptr [[B_BUF]], i64 [[I]]
225     // CHECK: [[IDX_SUB_K2POW:%.+]] = sub nuw i64 [[I]], [[K2POW]]
226     // CHECK: [[B_BUF_IDX_SUB_K2POW:%.+]] = getelementptr inbounds nuw double, ptr [[B_BUF]], i64 [[IDX_SUB_K2POW]]
227     // CHECK: [[A_BUF_END:%.+]] = getelementptr float, ptr [[A_BUF_IDX]], i64 [[NUM_ELEMS]]
228     // CHECK: [[ISEMPTY:%.+]] = icmp eq ptr [[A_BUF_IDX]], [[A_BUF_END]]
229     // CHECK: br i1 [[ISEMPTY]], label %[[RED_DONE:[^,]+]], label %[[RED_BODY:[^,]+]]
230     // CHECK: [[RED_BODY]]:
231     // CHECK: [[A_BUF_IDX_SUB_K2POW_ELEM:%.+]] = phi ptr [ [[A_BUF_IDX_SUB_K2POW]], %[[INNER_BODY]] ], [ [[A_BUF_IDX_SUB_K2POW_NEXT:%.+]], %[[RED_BODY]] ]
232     // CHECK: [[A_BUF_IDX_ELEM:%.+]] = phi ptr [ [[A_BUF_IDX]], %[[INNER_BODY]] ], [ [[A_BUF_IDX_NEXT:%.+]], %[[RED_BODY]] ]
233     // CHECK: [[A_BUF_IDX_VAL:%.+]] = load float, ptr [[A_BUF_IDX_ELEM]],
234     // CHECK: [[A_BUF_IDX_SUB_K2POW_VAL:%.+]] = load float, ptr [[A_BUF_IDX_SUB_K2POW_ELEM]],
235     // CHECK: [[RED:%.+]] = fadd float [[A_BUF_IDX_VAL]], [[A_BUF_IDX_SUB_K2POW_VAL]]
236     // CHECK: store float [[RED]], ptr [[A_BUF_IDX_ELEM]],
237     // CHECK: [[A_BUF_IDX_NEXT]] = getelementptr float, ptr [[A_BUF_IDX_ELEM]], i32 1
238     // CHECK: [[A_BUF_IDX_SUB_K2POW_NEXT]] = getelementptr float, ptr [[A_BUF_IDX_SUB_K2POW_ELEM]], i32 1
239     // CHECK: [[DONE:%.+]] = icmp eq ptr [[A_BUF_IDX_NEXT]], [[A_BUF_END]]
240     // CHECK: br i1 [[DONE]], label %[[RED_DONE]], label %[[RED_BODY]]
241     // CHECK: [[RED_DONE]]:
242 
243     // b_buffer[i] += b_buffer[i-pow(2, k)];
244     // CHECK: [[B_BUF_IDX_VAL:%.+]] = load double, ptr [[B_BUF_IDX]],
245     // CHECK: [[B_BUF_IDX_SUB_K2POW_VAL:%.+]] = load double, ptr [[B_BUF_IDX_SUB_K2POW]],
246     // CHECK: [[RED:%.+]] = fadd double [[B_BUF_IDX_VAL]], [[B_BUF_IDX_SUB_K2POW_VAL]]
247     // CHECK: store double [[RED]], ptr [[B_BUF_IDX]],
248 
249     // --i;
250     // CHECK: [[I_PREV:%.+]] = sub nuw i64 [[I]], 1
251     // CHECK: [[CMP:%.+]] = icmp uge i64 [[I_PREV]], [[K2POW]]
252     // CHECK: br i1 [[CMP]], label %[[INNER_BODY]], label %[[INNER_EXIT]]
253     // CHECK: [[INNER_EXIT]]:
254 
255     // ++k;
256     // CHECK: [[K_NEXT]] = add nuw i32 [[K]], 1
257     // k2pow <<= 1;
258     // CHECK: [[K2POW_NEXT]] = shl nuw i64 [[K2POW]], 1
259     // CHECK: [[CMP:%.+]] = icmp ne i32 [[K_NEXT]], [[CEIL_LOG2_10_INT]]
260     // CHECK: br i1 [[CMP]], label %[[OUTER_BODY]], label %[[OUTER_EXIT:[^,]+]]
261     // CHECK: [[OUTER_EXIT]]:
262     bar();
263     // CHECK: call void @__kmpc_for_static_init_4(
264     // CHECK: call ptr @llvm.stacksave.p0()
265     // CHECK: store float 0.000000e+00, ptr %
266     // CHECK: store double 0.000000e+00, ptr [[B_PRIV_ADDR:%.+]],
267     // CHECK: br label %[[DISPATCH:[^,]+]]
268 
269     // CHECK: [[SCAN_PHASE:.+]]:
270     // CHECK: call void @{{.+}}foo{{.+}}()
271     // CHECK: br label %[[LOOP_CONTINUE:.+]]
272 
273     // CHECK: [[DISPATCH]]:
274     // if (i >0)
275     //   a_priv[[0..n] = a_buffer[i-1][0..n];
276     // CHECK: [[BASE_IDX_I:%.+]] = load i32, ptr [[IV_ADDR:%.+]],
277     // CHECK: [[BASE_IDX:%.+]] = zext i32 [[BASE_IDX_I]] to i64
278     // CHECK: [[CMP:%.+]] = icmp eq i64 [[BASE_IDX]], 0
279     // CHECK: br i1 [[CMP]], label %[[IF_DONE:[^,]+]], label %[[IF_THEN:[^,]+]]
280     // CHECK: [[IF_THEN]]:
281     // CHECK: [[BASE_IDX_SUB_1:%.+]] = sub nuw i64 [[BASE_IDX]], 1
282     // CHECK: [[IDX:%.+]] = mul nsw i64 [[BASE_IDX_SUB_1]], [[NUM_ELEMS]]
283     // CHECK: [[A_BUF_IDX:%.+]] = getelementptr inbounds nuw float, ptr [[A_BUF]], i64 [[IDX]]
284     // CHECK: [[A_PRIV:%.+]] = getelementptr inbounds nuw [10 x float], ptr [[A_PRIV_ADDR:%.+]], i64 0, i64 0
285     // CHECK: [[BYTES:%.+]] = mul nuw i64 [[NUM_ELEMS:%.+]], 4
286     // CHECK: call void @llvm.memcpy.p0.p0.i64(ptr {{.*}}[[A_PRIV]], ptr {{.*}}[[A_BUF_IDX]], i64 [[BYTES]], i1 false)
287 
288     // b_priv = b_buffer[i];
289     // CHECK: [[B_BUF_IDX:%.+]] = getelementptr inbounds nuw double, ptr [[B_BUF]], i64 [[BASE_IDX_SUB_1]]
290     // CHECK: [[B_BUF_IDX_VAL:%.+]] = load double, ptr [[B_BUF_IDX]],
291     // CHECK: store double [[B_BUF_IDX_VAL]], ptr [[B_PRIV_ADDR]],
292     // CHECK: br label %[[SCAN_PHASE]]
293 
294     // CHECK: [[LOOP_CONTINUE]]:
295     // CHECK: call void @llvm.stackrestore.p0(ptr %
296     // CHECK: call void @__kmpc_for_static_fini(
297     // CHECK: call void @llvm.stackrestore.p0(ptr
298     // CHECK: call void @__kmpc_barrier(
299   }
300 }
301 
302 #endif
303 
304