1 // RUN: %clang_cc1 -verify -fopenmp -fopenmp-version=45 -x c++ -triple x86_64-unknown-unknown -emit-llvm %s -fexceptions -fcxx-exceptions -o - -fsanitize-address-use-after-scope | FileCheck %s --check-prefix=CHECK --check-prefix=LIFETIME --check-prefix=OMP45 2 // RUN: %clang_cc1 -verify -fopenmp -x c++ -triple x86_64-unknown-unknown -emit-llvm %s -fexceptions -fcxx-exceptions -o - -fsanitize-address-use-after-scope | FileCheck %s --check-prefix=CHECK --check-prefix=LIFETIME --check-prefix=OMP5 3 // RUN: %clang_cc1 -fopenmp -x c++ -std=c++11 -triple x86_64-unknown-unknown -fexceptions -fcxx-exceptions -emit-pch -o %t %s 4 // RUN: %clang_cc1 -fopenmp -x c++ -triple x86_64-unknown-unknown -fexceptions -fcxx-exceptions -std=c++11 -include-pch %t -verify %s -emit-llvm -o - | FileCheck %s --check-prefix=CHECK --check-prefix=OMP5 5 // RUN: %clang_cc1 -fopenmp -fopenmp-version=45 -x c++ -std=c++11 -triple x86_64-unknown-unknown -fexceptions -fcxx-exceptions -emit-pch -o %t %s 6 // RUN: %clang_cc1 -fopenmp -x c++ -triple x86_64-unknown-unknown -fexceptions -fcxx-exceptions -std=c++11 -include-pch %t -verify %s -fopenmp-version=45 -emit-llvm -o - | FileCheck %s --check-prefix=CHECK --check-prefix=OMP45 7 // RUN: %clang_cc1 -verify -triple x86_64-apple-darwin10 -fopenmp -fexceptions -fcxx-exceptions -debug-info-kind=line-tables-only -gno-column-info -x c++ -emit-llvm %s -o - | FileCheck %s --check-prefix=TERM_DEBUG 8 // RUN: %clang_cc1 -main-file-name for_codegen.cpp %s -o - -emit-llvm -fprofile-instrument=clang -fprofile-instrument-path=for_codegen-test.profraw | FileCheck %s --check-prefix=PROF-INSTR-PATH 9 10 // RUN: %clang_cc1 -verify -fopenmp-simd -x c++ -triple x86_64-unknown-unknown -emit-llvm %s -fexceptions -fcxx-exceptions -o - | FileCheck --check-prefix SIMD-ONLY0 %s 11 // RUN: %clang_cc1 -fopenmp-simd -x c++ -std=c++11 -triple x86_64-unknown-unknown -fexceptions -fcxx-exceptions -emit-pch -o %t %s 12 // RUN: %clang_cc1 -fopenmp-simd -x c++ -triple x86_64-unknown-unknown -fexceptions -fcxx-exceptions -std=c++11 -include-pch %t -verify %s -emit-llvm -o - | FileCheck --check-prefix SIMD-ONLY0 %s 13 // RUN: %clang_cc1 -fopenmp-simd -x c++ -std=c++11 -triple x86_64-unknown-unknown -fexceptions -fcxx-exceptions -emit-pch -o %t %s 14 // RUN: %clang_cc1 -fopenmp-simd -x c++ -triple x86_64-unknown-unknown -fexceptions -fcxx-exceptions -std=c++11 -include-pch %t -verify %s -emit-llvm -o - | FileCheck --check-prefix SIMD-ONLY0 %s 15 // RUN: %clang_cc1 -verify -triple x86_64-apple-darwin10 -fopenmp-simd -fexceptions -fcxx-exceptions -debug-info-kind=line-tables-only -x c++ -emit-llvm %s -o - | FileCheck --check-prefix SIMD-ONLY0 %s 16 // RUN: %clang_cc1 -main-file-name for_codegen.cpp %s -o - -emit-llvm -fprofile-instrument=clang -fprofile-instrument-path=for_codegen-test.profraw | FileCheck --check-prefix SIMD-ONLY0 %s 17 // SIMD-ONLY0-NOT: {{__kmpc|__tgt}} 18 // 19 // expected-no-diagnostics 20 #ifndef HEADER 21 #define HEADER 22 // PROF-INSTR-PATH: constant [25 x i8] c"for_codegen-test.profraw\00" 23 24 // CHECK: [[IDENT_T_TY:%.+]] = type { i32, i32, i32, i32, i8* } 25 // CHECK-DAG: [[IMPLICIT_BARRIER_LOC:@.+]] = private unnamed_addr constant %{{.+}} { i32 0, i32 66, i32 0, i32 0, i8* 26 // CHECK-DAG: [[LOOP_LOC:@.+]] = private unnamed_addr constant %{{.+}} { i32 0, i32 514, i32 0, i32 0, i8* 27 // CHECK-DAG: [[I:@.+]] ={{.*}} global i8 1, 28 // CHECK-DAG: [[J:@.+]] ={{.*}} global i8 2, 29 // CHECK-DAG: [[K:@.+]] ={{.*}} global i8 3, 30 31 // CHECK-LABEL: loop_with_counter_collapse 32 void loop_with_counter_collapse() { 33 // Captured initializations. 34 // CHECK: store i32 0, i32* [[I_TMP:%.+]], 35 // CHECK: [[VAL:%.+]] = load i32, i32* [[I_TMP]], 36 // CHECK: store i32 [[VAL]], i32* [[J_LB_MIN:%.+]], 37 // CHECK: store i32 3, i32* [[I_TMP]], 38 // CHECK: [[VAL:%.+]] = load i32, i32* [[I_TMP]], 39 // CHECK: store i32 [[VAL]], i32* [[J_LB_MAX:%.+]], 40 // CHECK: [[J_LB_MIN_VAL:%.+]] = load i32, i32* [[J_LB_MIN]], 41 // CHECK: [[J_LB_MAX_VAL:%.+]] = load i32, i32* [[J_LB_MAX]], 42 // CHECK: [[CMP:%.+]] = icmp slt i32 [[J_LB_MIN_VAL]], [[J_LB_MAX_VAL]] 43 // CHECK: [[BOOL:%.+]] = zext i1 [[CMP]] to i8 44 // CHECK: store i8 [[BOOL]], i8* [[J_LB_CMP:%.+]], 45 // CHECK: store i32 0, i32* [[I_TMP]], 46 // CHECK: [[VAL:%.+]] = load i32, i32* [[I_TMP]], 47 // CHECK: [[J_UB_MIN_VAL:%.+]] = add nsw i32 4, [[VAL]] 48 // CHECK: store i32 [[J_UB_MIN_VAL]], i32* [[J_UB_MIN:%.+]], 49 // CHECK: store i32 3, i32* [[I_TMP]], 50 // CHECK: [[VAL:%.+]] = load i32, i32* [[I_TMP]], 51 // CHECK: [[J_UB_MAX_VAL:%.+]] = add nsw i32 4, [[VAL]] 52 // CHECK: store i32 [[J_UB_MAX_VAL]], i32* [[J_UB_MAX:%.+]], 53 // CHECK: [[J_UB_MIN_VAL:%.+]] = load i32, i32* [[J_UB_MIN]], 54 // CHECK: [[J_UB_MAX_VAL:%.+]] = load i32, i32* [[J_UB_MAX]], 55 // CHECK: [[CMP:%.+]] = icmp sgt i32 [[J_UB_MIN_VAL]], [[J_UB_MAX_VAL]] 56 // CHECK: [[BOOL:%.+]] = zext i1 [[CMP]] to i8 57 // CHECK: store i8 [[BOOL]], i8* [[J_UB_CMP:%.+]], 58 // CHECK: [[J_UB_CMP_VAL:%.+]] = load i8, i8* [[J_UB_CMP]], 59 // CHECK: [[BOOL:%.+]] = trunc i8 [[J_UB_CMP_VAL]] to i1 60 // CHECK: br i1 [[BOOL]], label %[[TRUE:[^,]+]], label %[[FALSE:[^,]+]] 61 // CHECK: [[TRUE]]: 62 // CHECK: [[J_UB_MIN_VAL:%.+]] = load i32, i32* [[J_UB_MIN]], 63 // CHECK: br label %[[EXIT:[^,]+]] 64 // CHECK: [[FALSE]]: 65 // CHECK: [[J_UB_MAX_VAL:%.+]] = load i32, i32* [[J_UB_MAX]], 66 // CHECK: br label %[[EXIT]] 67 // CHECK: [[EXIT]]: 68 // CHECK: [[J_UB_VAL:%.+]] = phi i32 [ [[J_UB_MIN_VAL]], %[[TRUE]] ], [ [[J_UB_MAX_VAL]], %[[FALSE]] ] 69 // CHECK: store i32 [[J_UB_VAL]], i32* [[J_UB:%.+]], 70 // CHECK: [[J_LB_CMP_VAL:%.+]] = load i8, i8* [[J_LB_CMP]], 71 // CHECK: [[BOOL:%.+]] = trunc i8 [[J_LB_CMP_VAL]] to i1 72 // CHECK: br i1 [[BOOL]], label %[[TRUE:[^,]+]], label %[[FALSE:[^,]+]] 73 // CHECK: [[TRUE]]: 74 // CHECK: [[J_LB_MIN_VAL:%.+]] = load i32, i32* [[J_LB_MIN]], 75 // CHECK: br label %[[EXIT:[^,]+]] 76 // CHECK: [[FALSE]]: 77 // CHECK: [[J_LB_MAX_VAL:%.+]] = load i32, i32* [[J_LB_MAX]], 78 // CHECK: br label %[[EXIT]] 79 // CHECK: [[EXIT]]: 80 // CHECK: [[J_LB_VAL:%.+]] = phi i32 [ [[J_LB_MIN_VAL]], %[[TRUE]] ], [ [[J_LB_MAX_VAL]], %[[FALSE]] ] 81 // CHECK: store i32 [[J_LB_VAL]], i32* [[J_LB:%.+]], 82 // CHECK: [[J_UB_VAL:%.+]] = load i32, i32* [[J_UB]], 83 // CHECK: [[J_LB_VAL:%.+]] = load i32, i32* [[J_LB]], 84 // CHECK: [[SUB:%.+]] = sub i32 [[J_UB_VAL]], [[J_LB_VAL]] 85 // CHECK: [[SUB_ST:%.+]] = sub i32 [[SUB]], 1 86 // CHECK: [[ADD_ST:%.+]] = add i32 [[SUB_ST]], 1 87 // CHECK: [[DIV_ST:%.+]] = udiv i32 [[ADD_ST]], 1 88 // CHECK: [[CAST:%.+]] = zext i32 [[DIV_ST]] to i64 89 // CHECK: [[MUL:%.+]] = mul nsw i64 4, [[CAST]] 90 // CHECK: [[NUM_ITERS_VAL:%.+]] = sub nsw i64 [[MUL]], 1 91 // CHECK: store i64 [[NUM_ITERS_VAL]], i64* [[NUM_ITERS:%.+]], 92 93 // CHECK: store i64 0, i64* [[LB:%.+]], 94 // CHECK: [[NUM_ITERS_VAL:%.+]] = load i64, i64* [[NUM_ITERS]], 95 // CHECK: store i64 [[NUM_ITERS_VAL]], i64* [[UB:%.+]], 96 // CHECK: store i64 1, i64* [[STRIDE:%.+]], 97 // CHECK: store i32 0, i32* [[IS_LAST:%.+]], 98 // CHECK: call void @__kmpc_for_static_init_8(%struct.ident_t* @{{.+}}, i32 %{{.+}}, i32 34, i32* [[IS_LAST]], i64* [[LB]], i64* [[UB]], i64* [[STRIDE]], i64 1, i64 1) 99 // CHECK: [[UB_VAL:%.+]] = load i64, i64* [[UB]], 100 // CHECK: [[NUM_ITERS_VAL:%.+]] = load i64, i64* [[NUM_ITERS]], 101 // CHECK: [[CMP:%.+]] = icmp sgt i64 [[UB_VAL]], [[NUM_ITERS_VAL]] 102 // CHECK: br i1 [[CMP]], label %[[TRUE:[^,]+]], label %[[FALSE:[^,]+]] 103 // CHECK: [[TRUE]]: 104 // CHECK: [[NUM_ITERS_VAL:%.+]] = load i64, i64* [[NUM_ITERS]], 105 // CHECK: br label %[[DONE:[^,]+]] 106 // CHECK: [[FALSE]]: 107 // CHECK: [[UB_VAL:%.+]] = load i64, i64* [[UB]], 108 // CHECK: br label %[[DONE]] 109 // CHECK: [[DONE]]: 110 // CHECK: [[TOP:%.+]] = phi i64 [ [[NUM_ITERS_VAL]], %[[TRUE]] ], [ [[UB_VAL]], %[[FALSE]] ] 111 // CHECK: store i64 [[TOP]], i64* [[UB]], 112 // CHECK: [[LB_VAL:%.+]] = load i64, i64* [[LB]], 113 // CHECK: store i64 [[LB_VAL]], i64* [[IV:%.+]], 114 // CHECK: br label %[[COND:[^,]+]] 115 // CHECK: [[COND]]: 116 // CHECK: [[IV_VAL:%.+]] = load i64, i64* [[IV]], 117 // CHECK: [[UB_VAL:%.+]] = load i64, i64* [[UB]], 118 // CHECK: [[CMP:%.+]] = icmp sle i64 [[IV_VAL]], [[UB_VAL]] 119 // CHECK: br i1 [[CMP]], label %[[BODY:[^,]+]], label %[[CLEANUP:[^,]+]] 120 // LIFETIME: [[CLEANUP]]: 121 // LIFETIME: br label %[[CLEANUP:[^,]+]] 122 // CHECK: [[BODY]]: 123 // CHECK: [[IV_VAL:%.+]] = load i64, i64* [[IV]], 124 // CHECK: [[J_UB_VAL:%.+]] = load i32, i32* [[J_UB]], 125 // CHECK: [[J_LB_VAL:%.+]] = load i32, i32* [[J_LB]], 126 // CHECK: [[SUB:%.+]] = sub i32 [[J_UB_VAL]], [[J_LB_VAL]] 127 // CHECK: [[SUB_ST:%.+]] = sub i32 [[SUB]], 1 128 // CHECK: [[ADD_ST:%.+]] = add i32 [[SUB_ST]], 1 129 // CHECK: [[DIV_ST:%.+]] = udiv i32 [[ADD_ST]], 1 130 // CHECK: [[MUL:%.+]] = mul i32 1, [[DIV_ST]] 131 // CHECK: [[CAST:%.+]] = zext i32 [[MUL]] to i64 132 // CHECK: [[DIV:%.+]] = sdiv i64 [[IV_VAL]], [[CAST]] 133 // CHECK: [[MUL:%.+]] = mul nsw i64 [[DIV]], 1 134 // CHECK: [[ADD:%.+]] = add nsw i64 0, [[MUL]] 135 // CHECK: [[CAST:%.+]] = trunc i64 [[ADD]] to i32 136 // CHECK: store i32 [[CAST]], i32* [[I_PRIV:%.+]], 137 // CHECK: [[I_VAL:%.+]] = load i32, i32* [[I_PRIV]], 138 // CHECK: [[CONV:%.+]] = sext i32 [[I_VAL]] to i64 139 // CHECK: [[IV_VAL:%.+]] = load i64, i64* [[IV]], 140 // CHECK: [[IV_VAL1:%.+]] = load i64, i64* [[IV]], 141 // CHECK: [[J_UB_VAL:%.+]] = load i32, i32* [[J_UB]], 142 // CHECK: [[J_LB_VAL:%.+]] = load i32, i32* [[J_LB]], 143 // CHECK: [[SUB:%.+]] = sub i32 [[J_UB_VAL]], [[J_LB_VAL]] 144 // CHECK: [[SUB_ST:%.+]] = sub i32 [[SUB]], 1 145 // CHECK: [[ADD_ST:%.+]] = add i32 [[SUB_ST]], 1 146 // CHECK: [[DIV_ST:%.+]] = udiv i32 [[ADD_ST]], 1 147 // CHECK: [[MUL:%.+]] = mul i32 1, [[DIV_ST]] 148 // CHECK: [[CAST:%.+]] = zext i32 [[MUL]] to i64 149 // CHECK: [[DIV:%.+]] = sdiv i64 [[IV_VAL1]], [[CAST]] 150 // CHECK: [[J_UB_VAL:%.+]] = load i32, i32* [[J_UB]], 151 // CHECK: [[J_LB_VAL:%.+]] = load i32, i32* [[J_LB]], 152 // CHECK: [[SUB:%.+]] = sub i32 [[J_UB_VAL]], [[J_LB_VAL]] 153 // CHECK: [[SUB_ST:%.+]] = sub i32 [[SUB]], 1 154 // CHECK: [[ADD_ST:%.+]] = add i32 [[SUB_ST]], 1 155 // CHECK: [[DIV_ST:%.+]] = udiv i32 [[ADD_ST]], 1 156 // CHECK: [[MUL:%.+]] = mul i32 1, [[DIV_ST]] 157 // CHECK: [[CAST:%.+]] = zext i32 [[MUL]] to i64 158 // CHECK: [[MUL:%.+]] = mul nsw i64 [[DIV]], [[CAST]] 159 // CHECK: [[SUB:%.+]] = sub nsw i64 [[IV_VAL]], [[MUL]] 160 // CHECK: [[MUL:%.+]] = mul nsw i64 [[SUB:%.+]], 1 161 // CHECK: [[ADD:%.+]] = add nsw i64 [[CONV]], [[MUL]] 162 // CHECK: [[CAST:%.+]] = trunc i64 [[ADD]] to i32 163 // CHECK: store i32 [[CAST]], i32* [[J_PRIV:%.+]], 164 165 // Check that the loop variable is not out of its boundaries. 166 // CHECK: [[J_VAL:%.+]] = load i32, i32* [[J_PRIV]], 167 // CHECK: [[I_VAL:%.+]] = load i32, i32* [[I_PRIV]], 168 // CHECK: [[J_COND:%.+]] = add nsw i32 4, [[I_VAL]] 169 // CHECK: [[CMP:%.+]] = icmp slt i32 [[J_VAL]], [[J_COND]] 170 // CHECK: br i1 [[CMP]], label %[[NEXT:[^,]+]], label %[[BODY_CONT:[^,]+]] 171 // CHECK: [[NEXT]]: 172 173 // Main body is empty. 174 // CHECK: br label %[[BODY_CONT]] 175 // CHECK: [[BODY_CONT]]: 176 // CHECK: br label %[[INC:[^,]+]] 177 // CHECK: [[INC]]: 178 // CHECK: [[IV_VAL:%.+]] = load i64, i64* [[IV]], 179 // CHECK: [[ADD:%.+]] = add nsw i64 [[IV_VAL]], 1 180 // CHECK: store i64 [[ADD]], i64* [[IV]], 181 // CHECK: br label %[[COND]] 182 // CHECK: [[CLEANUP]]: 183 // CHECK: br label %[[EXIT:[^,]+]] 184 // CHECK: [[EXIT]]: 185 // CHECK: call void @__kmpc_for_static_fini(%struct.ident_t* @{{.+}}, i32 %{{.+}}) 186 // LIFETIME: call void @llvm.lifetime.end 187 // LIFETIME: call void @llvm.lifetime.end 188 // LIFETIME: call void @llvm.lifetime.end 189 // LIFETIME: call void @llvm.lifetime.end 190 // LIFETIME: call void @llvm.lifetime.end 191 // LIFETIME: call void @llvm.lifetime.end 192 // LIFETIME: call void @llvm.lifetime.end 193 // LIFETIME: call void @llvm.lifetime.end 194 // LIFETIME: call void @llvm.lifetime.end 195 #pragma omp for collapse(2) 196 for (int i = 0; i < 4; i++) { 197 for (int j = i; j < 4 + i; j++) { 198 } 199 } 200 } 201 202 // CHECK-LABEL: loop_with_counter_collapse4 203 void loop_with_counter_collapse4() { 204 205 // Check bounds calculation when collapse > 2 206 // CHECK: store i32 0, i32* [[I_TMP:%.+]], 207 // CHECK: [[VAL:%.+]] = load i32, i32* [[I_TMP]], 208 // CHECK: store i32 [[VAL]], i32* [[K_LB_MIN:%.+]], 209 // CHECK: store i32 6, i32* [[I_TMP]], 210 // CHECK: [[VAL:%.+]] = load i32, i32* [[I_TMP]], 211 // CHECK: store i32 [[VAL]], i32* [[K_LB_MAX:%.+]], 212 #pragma omp for collapse(4) 213 for (int i = 0; i < 7; i++) { 214 for (int j = 0; j < 11; j++) { 215 for (int k = i; k < 7; k++) { 216 for (int l = 0; l < 11; l++) { 217 } 218 } 219 } 220 } 221 } 222 223 // CHECK-LABEL: define {{.*void}} @{{.*}}without_schedule_clause{{.*}}(float* {{.+}}, float* {{.+}}, float* {{.+}}, float* {{.+}}) 224 void without_schedule_clause(float *a, float *b, float *c, float *d) { 225 // CHECK: [[GTID:%.+]] = call i32 @__kmpc_global_thread_num([[IDENT_T_TY]]* [[DEFAULT_LOC:[@%].+]]) 226 #pragma omp for nowait 227 // CHECK: call void @__kmpc_for_static_init_4([[IDENT_T_TY]]* [[LOOP_LOC]], i32 [[GTID]], i32 34, i32* [[IS_LAST:%[^,]+]], i32* [[OMP_LB:%[^,]+]], i32* [[OMP_UB:%[^,]+]], i32* [[OMP_ST:%[^,]+]], i32 1, i32 1) 228 // UB = min(UB, GlobalUB) 229 // CHECK-NEXT: [[UB:%.+]] = load i32, i32* [[OMP_UB]] 230 // CHECK-NEXT: [[UBCMP:%.+]] = icmp sgt i32 [[UB]], 4571423 231 // CHECK-NEXT: br i1 [[UBCMP]], label [[UB_TRUE:%[^,]+]], label [[UB_FALSE:%[^,]+]] 232 // CHECK: [[UBRESULT:%.+]] = phi i32 [ 4571423, [[UB_TRUE]] ], [ [[UBVAL:%[^,]+]], [[UB_FALSE]] ] 233 // CHECK-NEXT: store i32 [[UBRESULT]], i32* [[OMP_UB]] 234 // CHECK-NEXT: [[LB:%.+]] = load i32, i32* [[OMP_LB]] 235 // CHECK-NEXT: store i32 [[LB]], i32* [[OMP_IV:[^,]+]] 236 // Loop header 237 // CHECK: [[IV:%.+]] = load i32, i32* [[OMP_IV]] 238 // CHECK-NEXT: [[UB:%.+]] = load i32, i32* [[OMP_UB]] 239 // CHECK-NEXT: [[CMP:%.+]] = icmp sle i32 [[IV]], [[UB]] 240 // CHECK-NEXT: br i1 [[CMP]], label %[[LOOP1_BODY:[^,]+]], label %[[LOOP1_END:[^,]+]] 241 for (int i = 33; i < 32000000; i += 7) { 242 // CHECK: [[LOOP1_BODY]] 243 // Start of body: calculate i from IV: 244 // CHECK: [[IV1_1:%.+]] = load i32, i32* [[OMP_IV]] 245 // CHECK-NEXT: [[CALC_I_1:%.+]] = mul nsw i32 [[IV1_1]], 7 246 // CHECK-NEXT: [[CALC_I_2:%.+]] = add nsw i32 33, [[CALC_I_1]] 247 // CHECK-NEXT: store i32 [[CALC_I_2]], i32* [[LC_I:.+]] 248 // ... loop body ... 249 // End of body: store into a[i]: 250 // CHECK: store float [[RESULT:%.+]], float* {{%.+}} 251 // CHECK-NOT: !llvm.access.group 252 a[i] = b[i] * c[i] * d[i]; 253 // CHECK: [[IV1_2:%.+]] = load i32, i32* [[OMP_IV]]{{.*}} 254 // CHECK-NEXT: [[ADD1_2:%.+]] = add nsw i32 [[IV1_2]], 1 255 // CHECK-NEXT: store i32 [[ADD1_2]], i32* [[OMP_IV]] 256 // CHECK-NEXT: br label %{{.+}} 257 } 258 // CHECK: [[LOOP1_END]] 259 // CHECK: call void @__kmpc_for_static_fini([[IDENT_T_TY]]* [[LOOP_LOC]], i32 [[GTID]]) 260 // CHECK-NOT: __kmpc_barrier 261 // CHECK: ret void 262 } 263 264 // CHECK-LABEL: define {{.*void}} @{{.*}}static_not_chunked{{.*}}(float* {{.+}}, float* {{.+}}, float* {{.+}}, float* {{.+}}) 265 void static_not_chunked(float *a, float *b, float *c, float *d) { 266 // CHECK: [[GTID:%.+]] = call i32 @__kmpc_global_thread_num([[IDENT_T_TY]]* [[DEFAULT_LOC:[@%].+]]) 267 #pragma omp for schedule(static) 268 // CHECK: call void @__kmpc_for_static_init_4([[IDENT_T_TY]]* [[LOOP_LOC]], i32 [[GTID]], i32 34, i32* [[IS_LAST:%[^,]+]], i32* [[OMP_LB:%[^,]+]], i32* [[OMP_UB:%[^,]+]], i32* [[OMP_ST:%[^,]+]], i32 1, i32 1) 269 // UB = min(UB, GlobalUB) 270 // CHECK-NEXT: [[UB:%.+]] = load i32, i32* [[OMP_UB]] 271 // CHECK-NEXT: [[UBCMP:%.+]] = icmp sgt i32 [[UB]], 4571423 272 // CHECK-NEXT: br i1 [[UBCMP]], label [[UB_TRUE:%[^,]+]], label [[UB_FALSE:%[^,]+]] 273 // CHECK: [[UBRESULT:%.+]] = phi i32 [ 4571423, [[UB_TRUE]] ], [ [[UBVAL:%[^,]+]], [[UB_FALSE]] ] 274 // CHECK-NEXT: store i32 [[UBRESULT]], i32* [[OMP_UB]] 275 // CHECK-NEXT: [[LB:%.+]] = load i32, i32* [[OMP_LB]] 276 // CHECK-NEXT: store i32 [[LB]], i32* [[OMP_IV:[^,]+]] 277 // Loop header 278 // CHECK: [[IV:%.+]] = load i32, i32* [[OMP_IV]] 279 // CHECK-NEXT: [[UB:%.+]] = load i32, i32* [[OMP_UB]] 280 // CHECK-NEXT: [[CMP:%.+]] = icmp sle i32 [[IV]], [[UB]] 281 // CHECK-NEXT: br i1 [[CMP]], label %[[LOOP1_BODY:[^,]+]], label %[[LOOP1_END:[^,]+]] 282 for (int i = 32000000; i > 33; i += -7) { 283 // CHECK: [[LOOP1_BODY]] 284 // Start of body: calculate i from IV: 285 // CHECK: [[IV1_1:%.+]] = load i32, i32* [[OMP_IV]] 286 // CHECK-NEXT: [[CALC_I_1:%.+]] = mul nsw i32 [[IV1_1]], 7 287 // CHECK-NEXT: [[CALC_I_2:%.+]] = sub nsw i32 32000000, [[CALC_I_1]] 288 // CHECK-NEXT: store i32 [[CALC_I_2]], i32* [[LC_I:.+]] 289 // ... loop body ... 290 // End of body: store into a[i]: 291 // CHECK: store float [[RESULT:%.+]], float* {{%.+}} 292 // CHECK-NOT: !llvm.access.group 293 a[i] = b[i] * c[i] * d[i]; 294 // CHECK: [[IV1_2:%.+]] = load i32, i32* [[OMP_IV]]{{.*}} 295 // CHECK-NEXT: [[ADD1_2:%.+]] = add nsw i32 [[IV1_2]], 1 296 // CHECK-NEXT: store i32 [[ADD1_2]], i32* [[OMP_IV]] 297 // CHECK-NEXT: br label %{{.+}} 298 } 299 // CHECK: [[LOOP1_END]] 300 // CHECK: call void @__kmpc_for_static_fini([[IDENT_T_TY]]* [[LOOP_LOC]], i32 [[GTID]]) 301 // CHECK: call {{.+}} @__kmpc_barrier([[IDENT_T_TY]]* [[IMPLICIT_BARRIER_LOC]], i32 [[GTID]]) 302 // CHECK: ret void 303 } 304 305 // CHECK-LABEL: define {{.*void}} @{{.*}}static_chunked{{.*}}(float* {{.+}}, float* {{.+}}, float* {{.+}}, float* {{.+}}) 306 void static_chunked(float *a, float *b, float *c, float *d) { 307 // CHECK: [[GTID:%.+]] = call i32 @__kmpc_global_thread_num([[IDENT_T_TY]]* [[DEFAULT_LOC:[@%].+]]) 308 #pragma omp for schedule(monotonic: static, 5) 309 // CHECK: call void @__kmpc_for_static_init_4u([[IDENT_T_TY]]* [[LOOP_LOC]], i32 [[GTID]], i32 536870945, i32* [[IS_LAST:%[^,]+]], i32* [[OMP_LB:%[^,]+]], i32* [[OMP_UB:%[^,]+]], i32* [[OMP_ST:%[^,]+]], i32 1, i32 5) 310 // UB = min(UB, GlobalUB) 311 // CHECK: [[UB:%.+]] = load i32, i32* [[OMP_UB]] 312 // CHECK-NEXT: [[UBCMP:%.+]] = icmp ugt i32 [[UB]], 16908288 313 // CHECK-NEXT: br i1 [[UBCMP]], label [[UB_TRUE:%[^,]+]], label [[UB_FALSE:%[^,]+]] 314 // CHECK: [[UBRESULT:%.+]] = phi i32 [ 16908288, [[UB_TRUE]] ], [ [[UBVAL:%[^,]+]], [[UB_FALSE]] ] 315 // CHECK-NEXT: store i32 [[UBRESULT]], i32* [[OMP_UB]] 316 // CHECK-NEXT: [[LB:%.+]] = load i32, i32* [[OMP_LB]] 317 // CHECK-NEXT: store i32 [[LB]], i32* [[OMP_IV:[^,]+]] 318 319 // Outer loop header 320 // CHECK: [[O_IV:%.+]] = load i32, i32* [[OMP_IV]] 321 // CHECK-NEXT: [[O_UB:%.+]] = load i32, i32* [[OMP_UB]] 322 // CHECK-NEXT: [[O_CMP:%.+]] = icmp ule i32 [[O_IV]], [[O_UB]] 323 // CHECK-NEXT: br i1 [[O_CMP]], label %[[O_LOOP1_BODY:[^,]+]], label %[[O_LOOP1_END:[^,]+]] 324 325 // Loop header 326 // CHECK: [[O_LOOP1_BODY]] 327 // CHECK: [[IV:%.+]] = load i32, i32* [[OMP_IV]] 328 // CHECK-NEXT: [[UB:%.+]] = load i32, i32* [[OMP_UB]] 329 // CHECK-NEXT: [[CMP:%.+]] = icmp ule i32 [[IV]], [[UB]] 330 // CHECK-NEXT: br i1 [[CMP]], label %[[LOOP1_BODY:[^,]+]], label %[[LOOP1_END:[^,]+]] 331 for (unsigned i = 131071; i <= 2147483647; i += 127) { 332 // CHECK: [[LOOP1_BODY]] 333 // Start of body: calculate i from IV: 334 // CHECK: [[IV1_1:%.+]] = load i32, i32* [[OMP_IV]] 335 // CHECK-NEXT: [[CALC_I_1:%.+]] = mul i32 [[IV1_1]], 127 336 // CHECK-NEXT: [[CALC_I_2:%.+]] = add i32 131071, [[CALC_I_1]] 337 // CHECK-NEXT: store i32 [[CALC_I_2]], i32* [[LC_I:.+]] 338 // ... loop body ... 339 // End of body: store into a[i]: 340 // CHECK: store float [[RESULT:%.+]], float* {{%.+}} 341 // CHECK-NOT: !llvm.access.group 342 a[i] = b[i] * c[i] * d[i]; 343 // CHECK: [[IV1_2:%.+]] = load i32, i32* [[OMP_IV]]{{.*}} 344 // CHECK-NEXT: [[ADD1_2:%.+]] = add i32 [[IV1_2]], 1 345 // CHECK-NEXT: store i32 [[ADD1_2]], i32* [[OMP_IV]] 346 // CHECK-NEXT: br label %{{.+}} 347 } 348 // CHECK: [[LOOP1_END]] 349 // Update the counters, adding stride 350 // CHECK: [[LB:%.+]] = load i32, i32* [[OMP_LB]] 351 // CHECK-NEXT: [[ST:%.+]] = load i32, i32* [[OMP_ST]] 352 // CHECK-NEXT: [[ADD_LB:%.+]] = add i32 [[LB]], [[ST]] 353 // CHECK-NEXT: store i32 [[ADD_LB]], i32* [[OMP_LB]] 354 // CHECK-NEXT: [[UB:%.+]] = load i32, i32* [[OMP_UB]] 355 // CHECK-NEXT: [[ST:%.+]] = load i32, i32* [[OMP_ST]] 356 // CHECK-NEXT: [[ADD_UB:%.+]] = add i32 [[UB]], [[ST]] 357 // CHECK-NEXT: store i32 [[ADD_UB]], i32* [[OMP_UB]] 358 359 // CHECK: [[O_LOOP1_END]] 360 // CHECK: call void @__kmpc_for_static_fini([[IDENT_T_TY]]* [[LOOP_LOC]], i32 [[GTID]]) 361 // CHECK: call {{.+}} @__kmpc_barrier([[IDENT_T_TY]]* [[IMPLICIT_BARRIER_LOC]], i32 [[GTID]]) 362 // CHECK: ret void 363 } 364 365 // CHECK-LABEL: define {{.*void}} @{{.*}}dynamic1{{.*}}(float* {{.+}}, float* {{.+}}, float* {{.+}}, float* {{.+}}) 366 void dynamic1(float *a, float *b, float *c, float *d) { 367 // CHECK: [[GTID:%.+]] = call i32 @__kmpc_global_thread_num([[IDENT_T_TY]]* [[DEFAULT_LOC:[@%].+]]) 368 #pragma omp for schedule(nonmonotonic: dynamic) 369 // CHECK: call void @__kmpc_dispatch_init_8u([[IDENT_T_TY]]* [[DEFAULT_LOC]], i32 [[GTID]], i32 1073741859, i64 0, i64 16908287, i64 1, i64 1) 370 // 371 // CHECK: [[HASWORK:%.+]] = call i32 @__kmpc_dispatch_next_8u([[IDENT_T_TY]]* [[DEFAULT_LOC]], i32 [[GTID]], i32* [[OMP_ISLAST:%[^,]+]], i64* [[OMP_LB:%[^,]+]], i64* [[OMP_UB:%[^,]+]], i64* [[OMP_ST:%[^,]+]]) 372 // CHECK-NEXT: [[O_CMP:%.+]] = icmp ne i32 [[HASWORK]], 0 373 // CHECK-NEXT: br i1 [[O_CMP]], label %[[O_LOOP1_BODY:[^,]+]], label %[[O_LOOP1_END:[^,]+]] 374 375 // Loop header 376 // CHECK: [[O_LOOP1_BODY]] 377 // CHECK: [[LB:%.+]] = load i64, i64* [[OMP_LB]] 378 // CHECK-NEXT: store i64 [[LB]], i64* [[OMP_IV:[^,]+]] 379 // CHECK: [[IV:%.+]] = load i64, i64* [[OMP_IV]] 380 381 // CHECK-NEXT: [[UB:%.+]] = load i64, i64* [[OMP_UB]] 382 // CHECK-NEXT: [[BOUND:%.+]] = add i64 [[UB]], 1 383 // CHECK-NEXT: [[CMP:%.+]] = icmp ult i64 [[IV]], [[BOUND]] 384 // CHECK-NEXT: br i1 [[CMP]], label %[[LOOP1_BODY:[^,]+]], label %[[LOOP1_END:[^,]+]] 385 for (unsigned long long i = 131071; i < 2147483647; i += 127) { 386 // CHECK: [[LOOP1_BODY]] 387 // Start of body: calculate i from IV: 388 // CHECK: [[IV1_1:%.+]] = load i64, i64* [[OMP_IV]] 389 // CHECK-NEXT: [[CALC_I_1:%.+]] = mul i64 [[IV1_1]], 127 390 // CHECK-NEXT: [[CALC_I_2:%.+]] = add i64 131071, [[CALC_I_1]] 391 // CHECK-NEXT: store i64 [[CALC_I_2]], i64* [[LC_I:.+]] 392 // ... loop body ... 393 // End of body: store into a[i]: 394 // CHECK: store float [[RESULT:%.+]], float* {{%.+}}!llvm.access.group 395 a[i] = b[i] * c[i] * d[i]; 396 // CHECK: [[IV1_2:%.+]] = load i64, i64* [[OMP_IV]]{{.*}} 397 // CHECK-NEXT: [[ADD1_2:%.+]] = add i64 [[IV1_2]], 1 398 // CHECK-NEXT: store i64 [[ADD1_2]], i64* [[OMP_IV]] 399 // CHECK-NEXT: br label %{{.+}} 400 } 401 // CHECK: [[LOOP1_END]] 402 // CHECK: [[O_LOOP1_END]] 403 // CHECK: call {{.+}} @__kmpc_barrier([[IDENT_T_TY]]* [[IMPLICIT_BARRIER_LOC]], i32 [[GTID]]) 404 // CHECK: ret void 405 } 406 407 // CHECK-LABEL: define {{.*void}} @{{.*}}guided7{{.*}}(float* {{.+}}, float* {{.+}}, float* {{.+}}, float* {{.+}}) 408 void guided7(float *a, float *b, float *c, float *d) { 409 // CHECK: [[GTID:%.+]] = call i32 @__kmpc_global_thread_num([[IDENT_T_TY]]* [[DEFAULT_LOC:[@%].+]]) 410 #pragma omp for schedule(guided, 7) 411 // OMP45: call void @__kmpc_dispatch_init_8u([[IDENT_T_TY]]* [[DEFAULT_LOC]], i32 [[GTID]], i32 36, i64 0, i64 16908287, i64 1, i64 7) 412 // OMP5: call void @__kmpc_dispatch_init_8u([[IDENT_T_TY]]* [[DEFAULT_LOC]], i32 [[GTID]], i32 1073741860, i64 0, i64 16908287, i64 1, i64 7) 413 // 414 // CHECK: [[HASWORK:%.+]] = call i32 @__kmpc_dispatch_next_8u([[IDENT_T_TY]]* [[DEFAULT_LOC]], i32 [[GTID]], i32* [[OMP_ISLAST:%[^,]+]], i64* [[OMP_LB:%[^,]+]], i64* [[OMP_UB:%[^,]+]], i64* [[OMP_ST:%[^,]+]]) 415 // CHECK-NEXT: [[O_CMP:%.+]] = icmp ne i32 [[HASWORK]], 0 416 // CHECK-NEXT: br i1 [[O_CMP]], label %[[O_LOOP1_BODY:[^,]+]], label %[[O_LOOP1_END:[^,]+]] 417 418 // Loop header 419 // CHECK: [[O_LOOP1_BODY]] 420 // CHECK: [[LB:%.+]] = load i64, i64* [[OMP_LB]] 421 // CHECK-NEXT: store i64 [[LB]], i64* [[OMP_IV:[^,]+]] 422 // CHECK: [[IV:%.+]] = load i64, i64* [[OMP_IV]] 423 424 // CHECK-NEXT: [[UB:%.+]] = load i64, i64* [[OMP_UB]] 425 // CHECK-NEXT: [[BOUND:%.+]] = add i64 [[UB]], 1 426 // CHECK-NEXT: [[CMP:%.+]] = icmp ult i64 [[IV]], [[BOUND]] 427 // CHECK-NEXT: br i1 [[CMP]], label %[[LOOP1_BODY:[^,]+]], label %[[LOOP1_END:[^,]+]] 428 for (unsigned long long i = 131071; i < 2147483647; i += 127) { 429 // CHECK: [[LOOP1_BODY]] 430 // Start of body: calculate i from IV: 431 // CHECK: [[IV1_1:%.+]] = load i64, i64* [[OMP_IV]] 432 // CHECK-NEXT: [[CALC_I_1:%.+]] = mul i64 [[IV1_1]], 127 433 // CHECK-NEXT: [[CALC_I_2:%.+]] = add i64 131071, [[CALC_I_1]] 434 // CHECK-NEXT: store i64 [[CALC_I_2]], i64* [[LC_I:.+]] 435 // ... loop body ... 436 // End of body: store into a[i]: 437 // CHECK: store float [[RESULT:%.+]], float* {{%.+}}!llvm.access.group 438 a[i] = b[i] * c[i] * d[i]; 439 // CHECK: [[IV1_2:%.+]] = load i64, i64* [[OMP_IV]]{{.*}} 440 // CHECK-NEXT: [[ADD1_2:%.+]] = add i64 [[IV1_2]], 1 441 // CHECK-NEXT: store i64 [[ADD1_2]], i64* [[OMP_IV]] 442 // CHECK-NEXT: br label %{{.+}} 443 } 444 // CHECK: [[LOOP1_END]] 445 // CHECK: [[O_LOOP1_END]] 446 // CHECK: call {{.+}} @__kmpc_barrier([[IDENT_T_TY]]* [[IMPLICIT_BARRIER_LOC]], i32 [[GTID]]) 447 // CHECK: ret void 448 } 449 450 // CHECK-LABEL: define {{.*void}} @{{.*}}test_auto{{.*}}(float* {{.+}}, float* {{.+}}, float* {{.+}}, float* {{.+}}) 451 void test_auto(float *a, float *b, float *c, float *d) { 452 unsigned int x = 0; 453 unsigned int y = 0; 454 // CHECK: [[GTID:%.+]] = call i32 @__kmpc_global_thread_num([[IDENT_T_TY]]* [[DEFAULT_LOC:[@%].+]]) 455 #pragma omp for schedule(auto) collapse(2) 456 // OMP45: call void @__kmpc_dispatch_init_8([[IDENT_T_TY]]* [[DEFAULT_LOC]], i32 [[GTID]], i32 38, i64 0, i64 [[LAST_ITER:%[^,]+]], i64 1, i64 1) 457 // OMP5: call void @__kmpc_dispatch_init_8([[IDENT_T_TY]]* [[DEFAULT_LOC]], i32 [[GTID]], i32 1073741862, i64 0, i64 [[LAST_ITER:%[^,]+]], i64 1, i64 1) 458 // 459 // CHECK: [[HASWORK:%.+]] = call i32 @__kmpc_dispatch_next_8([[IDENT_T_TY]]* [[DEFAULT_LOC]], i32 [[GTID]], i32* [[OMP_ISLAST:%[^,]+]], i64* [[OMP_LB:%[^,]+]], i64* [[OMP_UB:%[^,]+]], i64* [[OMP_ST:%[^,]+]]) 460 // CHECK-NEXT: [[O_CMP:%.+]] = icmp ne i32 [[HASWORK]], 0 461 // CHECK-NEXT: br i1 [[O_CMP]], label %[[O_LOOP1_BODY:[^,]+]], label %[[O_LOOP1_END:[^,]+]] 462 463 // Loop header 464 // CHECK: [[O_LOOP1_BODY]] 465 // CHECK: [[LB:%.+]] = load i64, i64* [[OMP_LB]] 466 // CHECK-NEXT: store i64 [[LB]], i64* [[OMP_IV:[^,]+]] 467 // CHECK: [[IV:%.+]] = load i64, i64* [[OMP_IV]] 468 469 // CHECK-NEXT: [[UB:%.+]] = load i64, i64* [[OMP_UB]] 470 // CHECK-NEXT: [[CMP:%.+]] = icmp sle i64 [[IV]], [[UB]] 471 // CHECK-NEXT: br i1 [[CMP]], label %[[LOOP1_BODY:[^,]+]], label %[[LOOP1_END:[^,]+]] 472 // FIXME: When the iteration count of some nested loop is not a known constant, 473 // we should pre-calculate it, like we do for the total number of iterations! 474 for (char i = static_cast<char>(y); i <= '9'; ++i) 475 for (x = 11; x > 0; --x) { 476 // CHECK: [[LOOP1_BODY]] 477 // Start of body: indices are calculated from IV: 478 // CHECK: store i8 {{%[^,]+}}, i8* {{%[^,]+}} 479 // CHECK: store i32 {{%[^,]+}}, i32* {{%[^,]+}} 480 // ... loop body ... 481 // End of body: store into a[i]: 482 // CHECK: store float [[RESULT:%.+]], float* {{%.+}} 483 // CHECK-NOT: !llvm.access.group 484 a[i] = b[i] * c[i] * d[i]; 485 // CHECK: [[IV1_2:%.+]] = load i64, i64* [[OMP_IV]]{{.*}} 486 // CHECK-NEXT: [[ADD1_2:%.+]] = add nsw i64 [[IV1_2]], 1 487 // CHECK-NEXT: store i64 [[ADD1_2]], i64* [[OMP_IV]] 488 // CHECK-NEXT: br label %{{.+}} 489 } 490 // CHECK: [[LOOP1_END]] 491 // CHECK: [[O_LOOP1_END]] 492 // CHECK: call {{.+}} @__kmpc_barrier([[IDENT_T_TY]]* [[IMPLICIT_BARRIER_LOC]], i32 [[GTID]]) 493 // CHECK: ret void 494 } 495 496 // CHECK-LABEL: define {{.*void}} @{{.*}}runtime{{.*}}(float* {{.+}}, float* {{.+}}, float* {{.+}}, float* {{.+}}) 497 void runtime(float *a, float *b, float *c, float *d) { 498 int x = 0; 499 // CHECK: [[GTID:%.+]] = call i32 @__kmpc_global_thread_num([[IDENT_T_TY]]* [[DEFAULT_LOC:[@%].+]]) 500 #pragma omp for collapse(2) schedule(runtime) 501 // OMP45: call void @__kmpc_dispatch_init_4([[IDENT_T_TY]]* [[DEFAULT_LOC]], i32 [[GTID]], i32 37, i32 0, i32 199, i32 1, i32 1) 502 // OMP5: call void @__kmpc_dispatch_init_4([[IDENT_T_TY]]* [[DEFAULT_LOC]], i32 [[GTID]], i32 1073741861, i32 0, i32 199, i32 1, i32 1) 503 // 504 // CHECK: [[HASWORK:%.+]] = call i32 @__kmpc_dispatch_next_4([[IDENT_T_TY]]* [[DEFAULT_LOC]], i32 [[GTID]], i32* [[OMP_ISLAST:%[^,]+]], i32* [[OMP_LB:%[^,]+]], i32* [[OMP_UB:%[^,]+]], i32* [[OMP_ST:%[^,]+]]) 505 // CHECK-NEXT: [[O_CMP:%.+]] = icmp ne i32 [[HASWORK]], 0 506 // CHECK-NEXT: br i1 [[O_CMP]], label %[[O_LOOP1_BODY:[^,]+]], label %[[O_LOOP1_END:[^,]+]] 507 508 // Loop header 509 // CHECK: [[O_LOOP1_BODY]] 510 // CHECK: [[LB:%.+]] = load i32, i32* [[OMP_LB]] 511 // CHECK-NEXT: store i32 [[LB]], i32* [[OMP_IV:[^,]+]] 512 // CHECK: [[IV:%.+]] = load i32, i32* [[OMP_IV]] 513 514 // CHECK-NEXT: [[UB:%.+]] = load i32, i32* [[OMP_UB]] 515 // CHECK-NEXT: [[CMP:%.+]] = icmp sle i32 [[IV]], [[UB]] 516 // CHECK-NEXT: br i1 [[CMP]], label %[[LOOP1_BODY:[^,]+]], label %[[LOOP1_END:[^,]+]] 517 for (unsigned char i = '0' ; i <= '9'; ++i) 518 for (x = -10; x < 10; ++x) { 519 // CHECK: [[LOOP1_BODY]] 520 // Start of body: indices are calculated from IV: 521 // CHECK: store i8 {{%[^,]+}}, i8* {{%[^,]+}} 522 // CHECK: store i32 {{%[^,]+}}, i32* {{%[^,]+}} 523 // ... loop body ... 524 // End of body: store into a[i]: 525 // CHECK: store float [[RESULT:%.+]], float* {{%.+}} 526 // CHECK-NOT: !llvm.access.group 527 a[i] = b[i] * c[i] * d[i]; 528 // CHECK: [[IV1_2:%.+]] = load i32, i32* [[OMP_IV]]{{.*}} 529 // CHECK-NEXT: [[ADD1_2:%.+]] = add nsw i32 [[IV1_2]], 1 530 // CHECK-NEXT: store i32 [[ADD1_2]], i32* [[OMP_IV]] 531 // CHECK-NEXT: br label %{{.+}} 532 } 533 // CHECK: [[LOOP1_END]] 534 // CHECK: [[O_LOOP1_END]] 535 // CHECK: call {{.+}} @__kmpc_barrier([[IDENT_T_TY]]* [[IMPLICIT_BARRIER_LOC]], i32 [[GTID]]) 536 // CHECK: ret void 537 } 538 539 // CHECK-LABEL: test_precond 540 void test_precond() { 541 // CHECK: [[A_ADDR:%.+]] = alloca i8, 542 // CHECK: [[I_ADDR:%.+]] = alloca i8, 543 // CHECK: [[CAP:%.+]] = alloca i8, 544 char a = 0; 545 // CHECK: store i8 0, 546 // CHECK: store i32 547 // CHECK: store i8 548 // CHECK: [[A:%.+]] = load i8, i8* [[CAP]], 549 // CHECK: [[CONV:%.+]] = sext i8 [[A]] to i32 550 // CHECK: [[CMP:%.+]] = icmp slt i32 [[CONV]], 10 551 // CHECK: br i1 [[CMP]], label %[[PRECOND_THEN:[^,]+]], label %[[PRECOND_END:[^,]+]] 552 // CHECK: [[PRECOND_THEN]] 553 // CHECK: call void @__kmpc_for_static_init_4 554 #pragma omp for 555 for(char i = a; i < 10; ++i); 556 // CHECK: call void @__kmpc_for_static_fini 557 // CHECK: [[PRECOND_END]] 558 } 559 560 // TERM_DEBUG-LABEL: foo 561 int foo() { extern void mayThrow(); mayThrow(); return 0;}; 562 563 // TERM_DEBUG-LABEL: parallel_for 564 void parallel_for(float *a) { 565 #pragma omp parallel 566 #pragma omp for schedule(static, 5) 567 // TERM_DEBUG-NOT: __kmpc_global_thread_num 568 // TERM_DEBUG: call void @__kmpc_for_static_init_4u({{.+}}), !dbg [[DBG_LOC:![0-9]+]] 569 // TERM_DEBUG: invoke i32 {{.*}}foo{{.*}}() 570 // TERM_DEBUG: unwind label %[[TERM_LPAD:.+]], 571 // TERM_DEBUG-NOT: __kmpc_global_thread_num 572 // TERM_DEBUG: call void @__kmpc_for_static_fini({{.+}}), !dbg [[DBG_LOC]] 573 // TERM_DEBUG: call {{.+}} @__kmpc_barrier({{.+}}), !dbg [[DBG_LOC]] 574 // TERM_DEBUG: [[TERM_LPAD]] 575 // TERM_DEBUG: call void @__clang_call_terminate 576 // TERM_DEBUG: unreachable 577 for (unsigned i = 131071; i <= 2147483647; i += 127) 578 a[i] += foo(); 579 } 580 // Check source line corresponds to "#pragma omp for schedule(static, 5)" above: 581 // TERM_DEBUG: [[DBG_LOC]] = !DILocation(line: [[@LINE-15]], 582 583 char i = 1, j = 2, k = 3; 584 // CHECK-LABEL: for_with_global_lcv 585 void for_with_global_lcv() { 586 // CHECK: alloca i8, 587 // CHECK: [[I_ADDR:%.+]] = alloca i8, 588 // CHECK: alloca i8, 589 // CHECK: [[J_ADDR:%.+]] = alloca i8, 590 591 // CHECK: call void @__kmpc_for_static_init_4( 592 // CHECK-NOT: [[I]] 593 // CHECK: store i8 %{{.+}}, i8* [[I_ADDR]] 594 // CHECK-NOT: [[I]] 595 // CHECK: [[I_VAL:%.+]] = load i8, i8* [[I_ADDR]], 596 // CHECK-NOT: [[I]] 597 // CHECK: store i8 [[I_VAL]], i8* [[K]] 598 // CHECK-NOT: [[I]] 599 // CHECK: call void @__kmpc_for_static_fini( 600 // CHECK: call void @__kmpc_barrier( 601 #pragma omp for 602 for (i = 0; i < 2; ++i) { 603 k = i; 604 } 605 // CHECK: call void @__kmpc_for_static_init_4( 606 // CHECK-NOT: [[J]] 607 // CHECK: store i8 %{{.+}}, i8* [[J_ADDR]] 608 // CHECK-NOT: [[J]] 609 // CHECK: [[J_VAL:%.+]] = load i8, i8* [[J_ADDR]], 610 // CHECK-NOT: [[J]] 611 // CHECK: store i8 [[J_VAL]], i8* [[K]] 612 // CHECK-NOT: [[J]] 613 // CHECK: call void @__kmpc_for_static_fini( 614 #pragma omp for collapse(2) 615 for (int i = 0; i < 2; ++i) 616 for (j = 0; j < 2; ++j) { 617 k = i; 618 k = j; 619 } 620 char &cnt = i; 621 #pragma omp for 622 for (cnt = 0; cnt < 2; ++cnt) 623 k = cnt; 624 } 625 626 // CHECK-LABEL: for_with_references 627 void for_with_references() { 628 // CHECK: [[I:%.+]] = alloca i8, 629 // CHECK: [[CNT:%.+]] = alloca i8*, 630 // CHECK: [[CNT_PRIV:%.+]] = alloca i8, 631 // CHECK: call void @__kmpc_for_static_init_8( 632 // CHECK-NOT: load i8, i8* [[CNT]], 633 // CHECK: call void @__kmpc_for_static_fini( 634 char i = 0; 635 char &cnt = i; 636 #pragma omp for collapse(2) 637 for (cnt = 0; cnt < 2; ++cnt) 638 for (int j = cnt; j < 4 + cnt; j++) 639 k = cnt; 640 } 641 642 // CHECK-LABEL: for_with_references_dep_cond 643 void for_with_references_dep_cond() { 644 // CHECK: [[I:%.+]] = alloca i8, 645 // CHECK: [[CNT:%.+]] = alloca i8*, 646 // CHECK: [[CNT_PRIV:%.+]] = alloca i8, 647 // CHECK: call void @__kmpc_for_static_init_8( 648 // CHECK-NOT: load i8, i8* [[CNT]], 649 // CHECK: call void @__kmpc_for_static_fini( 650 char i = 0; 651 char &cnt = i; 652 #pragma omp for collapse(2) 653 for (cnt = 0; cnt < 2; ++cnt) 654 for (int j = 0; j < 4 + cnt; j++) 655 k = cnt; 656 } 657 658 struct Bool { 659 Bool(bool b) : b(b) {} 660 operator bool() const { return b; } 661 const bool b; 662 }; 663 664 template <typename T> 665 struct It { 666 It() : p(0) {} 667 It(const It &, int = 0) ; 668 template <typename U> 669 It(U &, int = 0) ; 670 It &operator=(const It &); 671 It &operator=(It &); 672 ~It() {} 673 674 It(T *p) : p(p) {} 675 676 operator T *&() { return p; } 677 operator T *() const { return p; } 678 T *operator->() const { return p; } 679 680 It &operator++() { ++p; return *this; } 681 It &operator--() { --p; return *this; } 682 It &operator+=(unsigned n) { p += n; return *this; } 683 It &operator-=(unsigned n) { p -= n; return *this; } 684 685 T *p; 686 }; 687 688 template <typename T> 689 It<T> operator+(It<T> a, typename It<T>::difference_type n) { return a.p + n; } 690 691 template <typename T> 692 It<T> operator+(typename It<T>::difference_type n, It<T> a) { return a.p + n; } 693 694 template <typename T> 695 It<T> operator-(It<T> a, typename It<T>::difference_type n) { return a.p - n; } 696 697 typedef Bool BoolType; 698 699 template <typename T> 700 BoolType operator<(It<T> a, It<T> b) { return a.p < b.p; } 701 702 void loop_with_It(It<char> begin, It<char> end) { 703 #pragma omp for 704 for (It<char> it = begin; it < end; ++it) { 705 *it = 0; 706 } 707 } 708 709 // CHECK-LABEL: loop_with_It 710 // CHECK: call i32 @__kmpc_global_thread_num( 711 // CHECK: call void @__kmpc_for_static_init_8( 712 // CHECK: call void @__kmpc_for_static_fini( 713 714 void loop_with_It_plus(It<char> begin, It<char> end) { 715 #pragma omp for 716 for (It<char> it = begin; it < end; it+=1u) { 717 *it = 0; 718 } 719 } 720 721 // CHECK-LABEL: loop_with_It_plus 722 // CHECK: call i32 @__kmpc_global_thread_num( 723 // CHECK: call void @__kmpc_for_static_init_8( 724 // CHECK: call void @__kmpc_for_static_fini( 725 726 void loop_with_stmt_expr() { 727 #pragma omp for collapse(2) 728 for (int i = __extension__({float b = 0;b; }); i < __extension__({double c = 1;c; }); i += __extension__({char d = 1; d; })) 729 for (int j = i; j < 4 + i; j++) 730 ; 731 } 732 // CHECK-LABEL: loop_with_stmt_expr 733 // CHECK: call i32 @__kmpc_global_thread_num( 734 // CHECK: call void @__kmpc_for_static_init_8( 735 // CHECK: call void @__kmpc_for_static_fini( 736 737 738 // CHECK-LABEL: fint 739 // CHECK: call {{.*}}i32 {{.*}}ftemplate 740 // CHECK: ret i32 741 742 // CHECK: load i16, i16* 743 // CHECK: store i16 % 744 // CHECK: call void {{.+}}@__kmpc_fork_call( 745 // CHECK: call void @__kmpc_for_static_init_4( 746 template <typename T> 747 T ftemplate() { 748 short aa = 0; 749 750 #pragma omp parallel for schedule(static, aa) 751 for (int i = 0; i < 100; i++) { 752 } 753 return T(); 754 } 755 756 int fint(void) { return ftemplate<int>(); } 757 758 // Check for imperfectly loop nests codegen. 759 #if _OPENMP == 201811 760 void first(); 761 void last(); 762 void inner_f(); 763 void inner_l(); 764 void body_f(); 765 766 // OMP5-LABEL: imperfectly_nested_loop 767 void imperfectly_nested_loop() { 768 // OMP5: call void @__kmpc_for_static_init_4( 769 #pragma omp for collapse(3) order(concurrent) 770 for (int i = 0; i < 10; ++i) { 771 { 772 int a, d; 773 // OMP5: invoke void @{{.+}}first{{.+}}() 774 first(); 775 // OMP5: load i32{{.*}}!llvm.access.group ![[AG:[0-9]+]] 776 // OMP5: store i32{{.*}}!llvm.access.group ![[AG]] 777 a = d; 778 for (int j = 0; j < 10; ++j) { 779 int a, d; 780 // OMP5: invoke void @{{.+}}inner_f{{.+}}() 781 inner_f(); 782 // OMP5: load i32{{.*}}!llvm.access.group ![[AG]] 783 // OMP5: store i32{{.*}}!llvm.access.group ![[AG]] 784 a = d; 785 for (int k = 0; k < 10; ++k) { 786 int a, d; 787 // OMP5: invoke void @{{.+}}body_f{{.+}}() 788 body_f(); 789 // OMP5: load i32{{.*}}!llvm.access.group ![[AG]] 790 // OMP5: store i32{{.*}}!llvm.access.group ![[AG]] 791 a = d; 792 } 793 // OMP5: invoke void @{{.+}}inner_l{{.+}}() 794 inner_l(); 795 } 796 // OMP5: invoke void @{{.+}}last{{.+}}() 797 last(); 798 } 799 } 800 // OMP5: call void @__kmpc_for_static_fini( 801 } 802 803 // OMP5: ![[AG]] = distinct !{} 804 // OMP5: !{!"llvm.loop.parallel_accesses", ![[AG]]} 805 806 #endif 807 808 #endif // HEADER 809