forked from OSchip/llvm-project
479 lines
22 KiB
C++
479 lines
22 KiB
C++
// RUN: %clang_cc1 -verify -fopenmp=libiomp5 -x c++ -triple x86_64-unknown-unknown -emit-llvm %s -fexceptions -fcxx-exceptions -o - | FileCheck %s
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// RUN: %clang_cc1 -fopenmp=libiomp5 -x c++ -std=c++11 -triple x86_64-unknown-unknown -fexceptions -fcxx-exceptions -emit-pch -o %t %s
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// RUN: %clang_cc1 -fopenmp=libiomp5 -x c++ -triple x86_64-unknown-unknown -fexceptions -fcxx-exceptions -g -std=c++11 -include-pch %t -verify %s -emit-llvm -o - | FileCheck %s
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// RUN: %clang_cc1 -verify -triple x86_64-apple-darwin10 -fopenmp=libiomp5 -fexceptions -fcxx-exceptions -gline-tables-only -x c++ -emit-llvm %s -o - | FileCheck %s --check-prefix=TERM_DEBUG
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//
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// expected-no-diagnostics
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#ifndef HEADER
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#define HEADER
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long long get_val() { return 0; }
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double *g_ptr;
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// CHECK-LABEL: define {{.*void}} @{{.*}}simple{{.*}}(float* {{.+}}, float* {{.+}}, float* {{.+}}, float* {{.+}})
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void simple(float *a, float *b, float *c, float *d) {
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#pragma omp simd
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// CHECK: store i32 0, i32* [[OMP_IV:%[^,]+]]
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// CHECK: [[IV:%.+]] = load i32, i32* [[OMP_IV]]{{.*}}!llvm.mem.parallel_loop_access ![[SIMPLE_LOOP1_ID:[0-9]+]]
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// CHECK-NEXT: [[CMP:%.+]] = icmp slt i32 [[IV]], 6
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// CHECK-NEXT: br i1 [[CMP]], label %[[SIMPLE_LOOP1_BODY:.+]], label %[[SIMPLE_LOOP1_END:[^,]+]]
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for (int i = 3; i < 32; i += 5) {
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// CHECK: [[SIMPLE_LOOP1_BODY]]
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// Start of body: calculate i from IV:
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// CHECK: [[IV1_1:%.+]] = load i32, i32* [[OMP_IV]]{{.*}}!llvm.mem.parallel_loop_access ![[SIMPLE_LOOP1_ID]]
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// CHECK: [[CALC_I_1:%.+]] = mul nsw i32 [[IV1_1]], 5
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// CHECK-NEXT: [[CALC_I_2:%.+]] = add nsw i32 3, [[CALC_I_1]]
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// CHECK-NEXT: store i32 [[CALC_I_2]], i32* [[LC_I:.+]]{{.*}}!llvm.mem.parallel_loop_access ![[SIMPLE_LOOP1_ID]]
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// ... loop body ...
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// End of body: store into a[i]:
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// CHECK: store float [[RESULT:%.+]], float* {{%.+}}{{.*}}!llvm.mem.parallel_loop_access ![[SIMPLE_LOOP1_ID]]
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a[i] = b[i] * c[i] * d[i];
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// CHECK: [[IV1_2:%.+]] = load i32, i32* [[OMP_IV]]{{.*}}!llvm.mem.parallel_loop_access ![[SIMPLE_LOOP1_ID]]
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// CHECK-NEXT: [[ADD1_2:%.+]] = add nsw i32 [[IV1_2]], 1
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// CHECK-NEXT: store i32 [[ADD1_2]], i32* [[OMP_IV]]{{.*}}!llvm.mem.parallel_loop_access ![[SIMPLE_LOOP1_ID]]
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// br label %{{.+}}, !llvm.loop !{{.+}}
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}
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// CHECK: [[SIMPLE_LOOP1_END]]
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long long k = get_val();
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#pragma omp simd linear(k : 3)
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// CHECK: [[K0:%.+]] = call {{.*}}i64 @{{.*}}get_val
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// CHECK-NEXT: store i64 [[K0]], i64* [[K_VAR:%[^,]+]]
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// CHECK: [[K0LOAD:%.+]] = load i64, i64* [[K_VAR]]
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// CHECK-NEXT: store i64 [[K0LOAD]], i64* [[LIN0:%[^,]+]]
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// CHECK: store i32 0, i32* [[OMP_IV2:%[^,]+]]
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// CHECK: [[IV2:%.+]] = load i32, i32* [[OMP_IV2]]{{.*}}!llvm.mem.parallel_loop_access ![[SIMPLE_LOOP2_ID:[0-9]+]]
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// CHECK-NEXT: [[CMP2:%.+]] = icmp slt i32 [[IV2]], 9
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// CHECK-NEXT: br i1 [[CMP2]], label %[[SIMPLE_LOOP2_BODY:.+]], label %[[SIMPLE_LOOP2_END:[^,]+]]
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for (int i = 10; i > 1; i--) {
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// CHECK: [[SIMPLE_LOOP2_BODY]]
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// Start of body: calculate i from IV:
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// CHECK: [[IV2_0:%.+]] = load i32, i32* [[OMP_IV2]]{{.*}}!llvm.mem.parallel_loop_access ![[SIMPLE_LOOP2_ID]]
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// FIXME: It is interesting, why the following "mul 1" was not constant folded?
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// CHECK-NEXT: [[IV2_1:%.+]] = mul nsw i32 [[IV2_0]], 1
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// CHECK-NEXT: [[LC_I_1:%.+]] = sub nsw i32 10, [[IV2_1]]
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// CHECK-NEXT: store i32 [[LC_I_1]], i32* {{.+}}, !llvm.mem.parallel_loop_access ![[SIMPLE_LOOP2_ID]]
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//
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// CHECK-NEXT: [[LIN0_1:%.+]] = load i64, i64* [[LIN0]]{{.*}}!llvm.mem.parallel_loop_access ![[SIMPLE_LOOP2_ID]]
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// CHECK-NEXT: [[IV2_2:%.+]] = load i32, i32* [[OMP_IV2]]{{.*}}!llvm.mem.parallel_loop_access ![[SIMPLE_LOOP2_ID]]
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// CHECK-NEXT: [[LIN_MUL1:%.+]] = mul nsw i32 [[IV2_2]], 3
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// CHECK-NEXT: [[LIN_EXT1:%.+]] = sext i32 [[LIN_MUL1]] to i64
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// CHECK-NEXT: [[LIN_ADD1:%.+]] = add nsw i64 [[LIN0_1]], [[LIN_EXT1]]
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// Update of the privatized version of linear variable!
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// CHECK-NEXT: store i64 [[LIN_ADD1]], i64* [[K_PRIVATIZED:%[^,]+]]
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a[k]++;
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k = k + 3;
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// CHECK: [[IV2_2:%.+]] = load i32, i32* [[OMP_IV2]]{{.*}}!llvm.mem.parallel_loop_access ![[SIMPLE_LOOP2_ID]]
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// CHECK-NEXT: [[ADD2_2:%.+]] = add nsw i32 [[IV2_2]], 1
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// CHECK-NEXT: store i32 [[ADD2_2]], i32* [[OMP_IV2]]{{.*}}!llvm.mem.parallel_loop_access ![[SIMPLE_LOOP2_ID]]
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// br label {{.+}}, !llvm.loop ![[SIMPLE_LOOP2_ID]]
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}
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// CHECK: [[SIMPLE_LOOP2_END]]
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//
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// Update linear vars after loop, as the loop was operating on a private version.
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// CHECK: [[LIN0_2:%.+]] = load i64, i64* [[LIN0]]
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// CHECK-NEXT: [[LIN_ADD2:%.+]] = add nsw i64 [[LIN0_2]], 27
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// CHECK-NEXT: store i64 [[LIN_ADD2]], i64* [[K_VAR]]
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//
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int lin = 12;
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#pragma omp simd linear(lin : get_val()), linear(g_ptr)
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// Init linear private var.
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// CHECK: store i32 12, i32* [[LIN_VAR:%[^,]+]]
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// CHECK: [[LIN_LOAD:%.+]] = load i32, i32* [[LIN_VAR]]
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// CHECK-NEXT: store i32 [[LIN_LOAD]], i32* [[LIN_START:%[^,]+]]
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// CHECK: [[GLIN_LOAD:%.+]] = load double*, double** [[GLIN_VAR:@[^,]+]]
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// CHECK-NEXT: store double* [[GLIN_LOAD]], double** [[GLIN_START:%[^,]+]]
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// CHECK: store i64 0, i64* [[OMP_IV3:%[^,]+]]
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// Remember linear step.
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// CHECK: [[CALL_VAL:%.+]] = invoke
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// CHECK: store i64 [[CALL_VAL]], i64* [[LIN_STEP:%[^,]+]]
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// CHECK: [[IV3:%.+]] = load i64, i64* [[OMP_IV3]]{{.*}}!llvm.mem.parallel_loop_access ![[SIMPLE_LOOP3_ID:[0-9]+]]
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// CHECK-NEXT: [[CMP3:%.+]] = icmp ult i64 [[IV3]], 4
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// CHECK-NEXT: br i1 [[CMP3]], label %[[SIMPLE_LOOP3_BODY:.+]], label %[[SIMPLE_LOOP3_END:[^,]+]]
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for (unsigned long long it = 2000; it >= 600; it-=400) {
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// CHECK: [[SIMPLE_LOOP3_BODY]]
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// Start of body: calculate it from IV:
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// CHECK: [[IV3_0:%.+]] = load i64, i64* [[OMP_IV3]]{{.*}}!llvm.mem.parallel_loop_access ![[SIMPLE_LOOP3_ID]]
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// CHECK-NEXT: [[LC_IT_1:%.+]] = mul i64 [[IV3_0]], 400
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// CHECK-NEXT: [[LC_IT_2:%.+]] = sub i64 2000, [[LC_IT_1]]
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// CHECK-NEXT: store i64 [[LC_IT_2]], i64* {{.+}}, !llvm.mem.parallel_loop_access ![[SIMPLE_LOOP3_ID]]
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//
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// Linear start and step are used to calculate current value of the linear variable.
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// CHECK: [[LINSTART:.+]] = load i32, i32* [[LIN_START]]{{.*}}!llvm.mem.parallel_loop_access ![[SIMPLE_LOOP3_ID]]
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// CHECK: [[LINSTEP:.+]] = load i64, i64* [[LIN_STEP]]{{.*}}!llvm.mem.parallel_loop_access ![[SIMPLE_LOOP3_ID]]
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// CHECK-NOT: store i32 {{.+}}, i32* [[LIN_VAR]],{{.*}}!llvm.mem.parallel_loop_access ![[SIMPLE_LOOP3_ID]]
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// CHECK: [[GLINSTART:.+]] = load double*, double** [[GLIN_START]]{{.*}}!llvm.mem.parallel_loop_access ![[SIMPLE_LOOP3_ID]]
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// CHECK-NEXT: [[IV3_1:%.+]] = load i64, i64* [[OMP_IV3]]{{.*}}!llvm.mem.parallel_loop_access ![[SIMPLE_LOOP3_ID]]
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// CHECK-NEXT: [[MUL:%.+]] = mul i64 [[IV3_1]], 1
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// CHECK: [[GEP:%.+]] = getelementptr{{.*}}[[GLINSTART]]
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// CHECK-NEXT: store double* [[GEP]], double** [[G_PTR_CUR:%[^,]+]]{{.*}}!llvm.mem.parallel_loop_access ![[SIMPLE_LOOP3_ID]]
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*g_ptr++ = 0.0;
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// CHECK: [[GEP_VAL:%.+]] = load double{{.*}}[[G_PTR_CUR]]{{.*}}!llvm.mem.parallel_loop_access ![[SIMPLE_LOOP3_ID]]
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// CHECK: store double{{.*}}[[GEP_VAL]]{{.*}}!llvm.mem.parallel_loop_access ![[SIMPLE_LOOP3_ID]]
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a[it + lin]++;
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// CHECK: [[FLT_INC:%.+]] = fadd float
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// CHECK-NEXT: store float [[FLT_INC]],{{.*}}!llvm.mem.parallel_loop_access ![[SIMPLE_LOOP3_ID]]
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// CHECK: [[IV3_2:%.+]] = load i64, i64* [[OMP_IV3]]{{.*}}!llvm.mem.parallel_loop_access ![[SIMPLE_LOOP3_ID]]
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// CHECK-NEXT: [[ADD3_2:%.+]] = add i64 [[IV3_2]], 1
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// CHECK-NEXT: store i64 [[ADD3_2]], i64* [[OMP_IV3]]{{.*}}!llvm.mem.parallel_loop_access ![[SIMPLE_LOOP3_ID]]
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}
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// CHECK: [[SIMPLE_LOOP3_END]]
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//
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// Linear start and step are used to calculate final value of the linear variables.
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// CHECK: [[LINSTART:.+]] = load i32, i32* [[LIN_START]]
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// CHECK: [[LINSTEP:.+]] = load i64, i64* [[LIN_STEP]]
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// CHECK: store i32 {{.+}}, i32* [[LIN_VAR]],
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// CHECK: [[GLINSTART:.+]] = load double*, double** [[GLIN_START]]
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// CHECK: store double* {{.*}}[[GLIN_VAR]]
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#pragma omp simd
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// CHECK: store i32 0, i32* [[OMP_IV4:%[^,]+]]
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// CHECK: [[IV4:%.+]] = load i32, i32* [[OMP_IV4]]{{.*}}!llvm.mem.parallel_loop_access ![[SIMPLE_LOOP4_ID:[0-9]+]]
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// CHECK-NEXT: [[CMP4:%.+]] = icmp slt i32 [[IV4]], 4
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// CHECK-NEXT: br i1 [[CMP4]], label %[[SIMPLE_LOOP4_BODY:.+]], label %[[SIMPLE_LOOP4_END:[^,]+]]
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for (short it = 6; it <= 20; it-=-4) {
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// CHECK: [[SIMPLE_LOOP4_BODY]]
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// Start of body: calculate it from IV:
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// CHECK: [[IV4_0:%.+]] = load i32, i32* [[OMP_IV4]]{{.*}}!llvm.mem.parallel_loop_access ![[SIMPLE_LOOP4_ID]]
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// CHECK-NEXT: [[LC_IT_1:%.+]] = mul nsw i32 [[IV4_0]], 4
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// CHECK-NEXT: [[LC_IT_2:%.+]] = add nsw i32 6, [[LC_IT_1]]
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// CHECK-NEXT: [[LC_IT_3:%.+]] = trunc i32 [[LC_IT_2]] to i16
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// CHECK-NEXT: store i16 [[LC_IT_3]], i16* {{.+}}, !llvm.mem.parallel_loop_access ![[SIMPLE_LOOP4_ID]]
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// CHECK: [[IV4_2:%.+]] = load i32, i32* [[OMP_IV4]]{{.*}}!llvm.mem.parallel_loop_access ![[SIMPLE_LOOP4_ID]]
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// CHECK-NEXT: [[ADD4_2:%.+]] = add nsw i32 [[IV4_2]], 1
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// CHECK-NEXT: store i32 [[ADD4_2]], i32* [[OMP_IV4]]{{.*}}!llvm.mem.parallel_loop_access ![[SIMPLE_LOOP4_ID]]
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}
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// CHECK: [[SIMPLE_LOOP4_END]]
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#pragma omp simd
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// CHECK: store i32 0, i32* [[OMP_IV5:%[^,]+]]
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// CHECK: [[IV5:%.+]] = load i32, i32* [[OMP_IV5]]{{.*}}!llvm.mem.parallel_loop_access ![[SIMPLE_LOOP5_ID:[0-9]+]]
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// CHECK-NEXT: [[CMP5:%.+]] = icmp slt i32 [[IV5]], 26
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// CHECK-NEXT: br i1 [[CMP5]], label %[[SIMPLE_LOOP5_BODY:.+]], label %[[SIMPLE_LOOP5_END:[^,]+]]
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for (unsigned char it = 'z'; it >= 'a'; it+=-1) {
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// CHECK: [[SIMPLE_LOOP5_BODY]]
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// Start of body: calculate it from IV:
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// CHECK: [[IV5_0:%.+]] = load i32, i32* [[OMP_IV5]]{{.*}}!llvm.mem.parallel_loop_access ![[SIMPLE_LOOP5_ID]]
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// CHECK-NEXT: [[IV5_1:%.+]] = mul nsw i32 [[IV5_0]], 1
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// CHECK-NEXT: [[LC_IT_1:%.+]] = sub nsw i32 122, [[IV5_1]]
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// CHECK-NEXT: [[LC_IT_2:%.+]] = trunc i32 [[LC_IT_1]] to i8
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// CHECK-NEXT: store i8 [[LC_IT_2]], i8* {{.+}}, !llvm.mem.parallel_loop_access ![[SIMPLE_LOOP5_ID]]
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// CHECK: [[IV5_2:%.+]] = load i32, i32* [[OMP_IV5]]{{.*}}!llvm.mem.parallel_loop_access ![[SIMPLE_LOOP5_ID]]
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// CHECK-NEXT: [[ADD5_2:%.+]] = add nsw i32 [[IV5_2]], 1
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// CHECK-NEXT: store i32 [[ADD5_2]], i32* [[OMP_IV5]]{{.*}}!llvm.mem.parallel_loop_access ![[SIMPLE_LOOP5_ID]]
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}
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// CHECK: [[SIMPLE_LOOP5_END]]
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// CHECK-NOT: mul i32 %{{.+}}, 10
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#pragma omp simd
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for (unsigned i=100; i<10; i+=10) {
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}
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int A;
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#pragma omp simd lastprivate(A)
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// Clause 'lastprivate' implementation is not completed yet.
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// Test checks that one iteration is separated in presence of lastprivate.
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//
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// CHECK: store i64 0, i64* [[OMP_IV7:%[^,]+]]
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// CHECK: br label %[[SIMD_LOOP7_COND:[^,]+]]
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// CHECK: [[SIMD_LOOP7_COND]]
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// CHECK-NEXT: [[IV7:%.+]] = load i64, i64* [[OMP_IV7]]{{.*}}!llvm.mem.parallel_loop_access ![[SIMPLE_LOOP7_ID:[0-9]+]]
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// CHECK-NEXT: [[CMP7:%.+]] = icmp slt i64 [[IV7]], 6
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// CHECK-NEXT: br i1 [[CMP7]], label %[[SIMPLE_LOOP7_BODY:.+]], label %[[SIMPLE_LOOP7_END:[^,]+]]
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for (long long i = -10; i < 10; i += 3) {
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// CHECK: [[SIMPLE_LOOP7_BODY]]
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// Start of body: calculate i from IV:
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// CHECK: [[IV7_0:%.+]] = load i64, i64* [[OMP_IV7]]{{.*}}!llvm.mem.parallel_loop_access ![[SIMPLE_LOOP7_ID]]
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// CHECK-NEXT: [[LC_IT_1:%.+]] = mul nsw i64 [[IV7_0]], 3
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// CHECK-NEXT: [[LC_IT_2:%.+]] = add nsw i64 -10, [[LC_IT_1]]
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// CHECK-NEXT: store i64 [[LC_IT_2]], i64* {{.+}}, !llvm.mem.parallel_loop_access ![[SIMPLE_LOOP7_ID]]
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A = i;
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// CHECK: [[IV7_2:%.+]] = load i64, i64* [[OMP_IV7]]{{.*}}!llvm.mem.parallel_loop_access ![[SIMPLE_LOOP7_ID]]
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// CHECK-NEXT: [[ADD7_2:%.+]] = add nsw i64 [[IV7_2]], 1
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// CHECK-NEXT: store i64 [[ADD7_2]], i64* [[OMP_IV7]]{{.*}}!llvm.mem.parallel_loop_access ![[SIMPLE_LOOP7_ID]]
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}
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// CHECK: [[SIMPLE_LOOP7_END]]
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// Separated last iteration.
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// CHECK: [[IV7_4:%.+]] = load i64, i64* [[OMP_IV7]]
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// CHECK-NEXT: [[LC_FIN_1:%.+]] = mul nsw i64 [[IV7_4]], 3
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// CHECK-NEXT: [[LC_FIN_2:%.+]] = add nsw i64 -10, [[LC_FIN_1]]
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// CHECK-NEXT: store i64 [[LC_FIN_2]], i64* [[ADDR_I:%[^,]+]]
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// CHECK: [[LOAD_I:%.+]] = load i64, i64* [[ADDR_I]]
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// CHECK-NEXT: [[CONV_I:%.+]] = trunc i64 [[LOAD_I]] to i32
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//
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// CHECK: ret void
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}
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template <class T, unsigned K> T tfoo(T a) { return a + K; }
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template <typename T, unsigned N>
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int templ1(T a, T *z) {
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#pragma omp simd collapse(N)
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for (int i = 0; i < N * 2; i++) {
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for (long long j = 0; j < (N + N + N + N); j += 2) {
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z[i + j] = a + tfoo<T, N>(i + j);
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}
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}
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return 0;
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}
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// Instatiation templ1<float,2>
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// CHECK-LABEL: define {{.*i32}} @{{.*}}templ1{{.*}}(float {{.+}}, float* {{.+}})
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// CHECK: store i64 0, i64* [[T1_OMP_IV:[^,]+]]
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// ...
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// CHECK: [[IV:%.+]] = load i64, i64* [[T1_OMP_IV]]{{.*}}!llvm.mem.parallel_loop_access ![[T1_ID:[0-9]+]]
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// CHECK-NEXT: [[CMP1:%.+]] = icmp slt i64 [[IV]], 16
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// CHECK-NEXT: br i1 [[CMP1]], label %[[T1_BODY:.+]], label %[[T1_END:[^,]+]]
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// CHECK: [[T1_BODY]]
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// Loop counters i and j updates:
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// CHECK: [[IV1:%.+]] = load i64, i64* [[T1_OMP_IV]]{{.*}}!llvm.mem.parallel_loop_access ![[T1_ID]]
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// CHECK-NEXT: [[I_1:%.+]] = sdiv i64 [[IV1]], 4
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// CHECK-NEXT: [[I_1_MUL1:%.+]] = mul nsw i64 [[I_1]], 1
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// CHECK-NEXT: [[I_1_ADD0:%.+]] = add nsw i64 0, [[I_1_MUL1]]
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// CHECK-NEXT: [[I_2:%.+]] = trunc i64 [[I_1_ADD0]] to i32
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// CHECK-NEXT: store i32 [[I_2]], i32* {{%.+}}{{.*}}!llvm.mem.parallel_loop_access ![[T1_ID]]
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// CHECK: [[IV2:%.+]] = load i64, i64* [[T1_OMP_IV]]{{.*}}!llvm.mem.parallel_loop_access ![[T1_ID]]
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// CHECK-NEXT: [[J_1:%.+]] = srem i64 [[IV2]], 4
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// CHECK-NEXT: [[J_2:%.+]] = mul nsw i64 [[J_1]], 2
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// CHECK-NEXT: [[J_2_ADD0:%.+]] = add nsw i64 0, [[J_2]]
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// CHECK-NEXT: store i64 [[J_2_ADD0]], i64* {{%.+}}{{.*}}!llvm.mem.parallel_loop_access ![[T1_ID]]
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// simd.for.inc:
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// CHECK: [[IV3:%.+]] = load i64, i64* [[T1_OMP_IV]]{{.*}}!llvm.mem.parallel_loop_access ![[T1_ID]]
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// CHECK-NEXT: [[INC:%.+]] = add nsw i64 [[IV3]], 1
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// CHECK-NEXT: store i64 [[INC]], i64* [[T1_OMP_IV]]{{.*}}!llvm.mem.parallel_loop_access ![[T1_ID]]
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// CHECK-NEXT: br label {{%.+}}
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// CHECK: [[T1_END]]
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// CHECK: ret i32 0
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//
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void inst_templ1() {
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float a;
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float z[100];
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templ1<float,2> (a, z);
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}
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typedef int MyIdx;
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class IterDouble {
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double *Ptr;
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public:
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IterDouble operator++ () const {
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IterDouble n;
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n.Ptr = Ptr + 1;
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return n;
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}
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bool operator < (const IterDouble &that) const {
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return Ptr < that.Ptr;
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}
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double & operator *() const {
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|
return *Ptr;
|
|
}
|
|
MyIdx operator - (const IterDouble &that) const {
|
|
return (MyIdx) (Ptr - that.Ptr);
|
|
}
|
|
IterDouble operator + (int Delta) {
|
|
IterDouble re;
|
|
re.Ptr = Ptr + Delta;
|
|
return re;
|
|
}
|
|
|
|
///~IterDouble() {}
|
|
};
|
|
|
|
// CHECK-LABEL: define {{.*void}} @{{.*}}iter_simple{{.*}}
|
|
void iter_simple(IterDouble ia, IterDouble ib, IterDouble ic) {
|
|
//
|
|
// CHECK: store i32 0, i32* [[IT_OMP_IV:%[^,]+]]
|
|
// Calculate number of iterations before the loop body.
|
|
// CHECK: [[DIFF1:%.+]] = invoke {{.*}}i32 @{{.*}}IterDouble{{.*}}
|
|
// CHECK: [[DIFF2:%.+]] = sub nsw i32 [[DIFF1]], 1
|
|
// CHECK-NEXT: [[DIFF3:%.+]] = add nsw i32 [[DIFF2]], 1
|
|
// CHECK-NEXT: [[DIFF4:%.+]] = sdiv i32 [[DIFF3]], 1
|
|
// CHECK-NEXT: [[DIFF5:%.+]] = sub nsw i32 [[DIFF4]], 1
|
|
// CHECK-NEXT: store i32 [[DIFF5]], i32* [[OMP_LAST_IT:%[^,]+]]{{.+}}
|
|
#pragma omp simd
|
|
|
|
// CHECK: [[IV:%.+]] = load i32, i32* [[IT_OMP_IV]]{{.+}} !llvm.mem.parallel_loop_access ![[ITER_LOOP_ID:[0-9]+]]
|
|
// CHECK-NEXT: [[LAST_IT:%.+]] = load i32, i32* [[OMP_LAST_IT]]{{.+}}!llvm.mem.parallel_loop_access ![[ITER_LOOP_ID]]
|
|
// CHECK-NEXT: [[NUM_IT:%.+]] = add nsw i32 [[LAST_IT]], 1
|
|
// CHECK-NEXT: [[CMP:%.+]] = icmp slt i32 [[IV]], [[NUM_IT]]
|
|
// CHECK-NEXT: br i1 [[CMP]], label %[[IT_BODY:[^,]+]], label %[[IT_END:[^,]+]]
|
|
for (IterDouble i = ia; i < ib; ++i) {
|
|
// CHECK: [[IT_BODY]]
|
|
// Start of body: calculate i from index:
|
|
// CHECK: [[IV1:%.+]] = load i32, i32* [[IT_OMP_IV]]{{.+}}!llvm.mem.parallel_loop_access ![[ITER_LOOP_ID]]
|
|
// Call of operator+ (i, IV).
|
|
// CHECK: {{%.+}} = invoke {{.+}} @{{.*}}IterDouble{{.*}}
|
|
// ... loop body ...
|
|
*i = *ic * 0.5;
|
|
// Float multiply and save result.
|
|
// CHECK: [[MULR:%.+]] = fmul double {{%.+}}, 5.000000e-01
|
|
// CHECK-NEXT: invoke {{.+}} @{{.*}}IterDouble{{.*}}
|
|
// CHECK: store double [[MULR:%.+]], double* [[RESULT_ADDR:%.+]], !llvm.mem.parallel_loop_access ![[ITER_LOOP_ID]]
|
|
++ic;
|
|
//
|
|
// CHECK: [[IV2:%.+]] = load i32, i32* [[IT_OMP_IV]]{{.+}}!llvm.mem.parallel_loop_access ![[ITER_LOOP_ID]]
|
|
// CHECK-NEXT: [[ADD2:%.+]] = add nsw i32 [[IV2]], 1
|
|
// CHECK-NEXT: store i32 [[ADD2]], i32* [[IT_OMP_IV]]{{.+}}!llvm.mem.parallel_loop_access ![[ITER_LOOP_ID]]
|
|
// br label %{{.*}}, !llvm.loop ![[ITER_LOOP_ID]]
|
|
}
|
|
// CHECK: [[IT_END]]
|
|
// CHECK: ret void
|
|
}
|
|
|
|
|
|
// CHECK-LABEL: define {{.*void}} @{{.*}}collapsed{{.*}}
|
|
void collapsed(float *a, float *b, float *c, float *d) {
|
|
int i; // outer loop counter
|
|
unsigned j; // middle loop couter, leads to unsigned icmp in loop header.
|
|
// k declared in the loop init below
|
|
short l; // inner loop counter
|
|
// CHECK: store i32 0, i32* [[OMP_IV:[^,]+]]
|
|
//
|
|
#pragma omp simd collapse(4)
|
|
|
|
// CHECK: [[IV:%.+]] = load i32, i32* [[OMP_IV]]{{.+}}!llvm.mem.parallel_loop_access ![[COLL1_LOOP_ID:[0-9]+]]
|
|
// CHECK-NEXT: [[CMP:%.+]] = icmp ult i32 [[IV]], 120
|
|
// CHECK-NEXT: br i1 [[CMP]], label %[[COLL1_BODY:[^,]+]], label %[[COLL1_END:[^,]+]]
|
|
for (i = 1; i < 3; i++) // 2 iterations
|
|
for (j = 2u; j < 5u; j++) //3 iterations
|
|
for (int k = 3; k <= 6; k++) // 4 iterations
|
|
for (l = 4; l < 9; ++l) // 5 iterations
|
|
{
|
|
// CHECK: [[COLL1_BODY]]
|
|
// Start of body: calculate i from index:
|
|
// CHECK: [[IV1:%.+]] = load i32, i32* [[OMP_IV]]{{.+}}!llvm.mem.parallel_loop_access ![[COLL1_LOOP_ID]]
|
|
// Calculation of the loop counters values.
|
|
// CHECK: [[CALC_I_1:%.+]] = udiv i32 [[IV1]], 60
|
|
// CHECK-NEXT: [[CALC_I_1_MUL1:%.+]] = mul i32 [[CALC_I_1]], 1
|
|
// CHECK-NEXT: [[CALC_I_2:%.+]] = add i32 1, [[CALC_I_1_MUL1]]
|
|
// CHECK-NEXT: store i32 [[CALC_I_2]], i32* [[LC_I:.+]]
|
|
// CHECK: [[IV1_2:%.+]] = load i32, i32* [[OMP_IV]]{{.+}}!llvm.mem.parallel_loop_access ![[COLL1_LOOP_ID]]
|
|
// CHECK-NEXT: [[CALC_J_1:%.+]] = udiv i32 [[IV1_2]], 20
|
|
// CHECK-NEXT: [[CALC_J_2:%.+]] = urem i32 [[CALC_J_1]], 3
|
|
// CHECK-NEXT: [[CALC_J_2_MUL1:%.+]] = mul i32 [[CALC_J_2]], 1
|
|
// CHECK-NEXT: [[CALC_J_3:%.+]] = add i32 2, [[CALC_J_2_MUL1]]
|
|
// CHECK-NEXT: store i32 [[CALC_J_3]], i32* [[LC_J:.+]]
|
|
// CHECK: [[IV1_3:%.+]] = load i32, i32* [[OMP_IV]]{{.+}}!llvm.mem.parallel_loop_access ![[COLL1_LOOP_ID]]
|
|
// CHECK-NEXT: [[CALC_K_1:%.+]] = udiv i32 [[IV1_3]], 5
|
|
// CHECK-NEXT: [[CALC_K_2:%.+]] = urem i32 [[CALC_K_1]], 4
|
|
// CHECK-NEXT: [[CALC_K_2_MUL1:%.+]] = mul i32 [[CALC_K_2]], 1
|
|
// CHECK-NEXT: [[CALC_K_3:%.+]] = add i32 3, [[CALC_K_2_MUL1]]
|
|
// CHECK-NEXT: store i32 [[CALC_K_3]], i32* [[LC_K:.+]]
|
|
// CHECK: [[IV1_4:%.+]] = load i32, i32* [[OMP_IV]]{{.+}}!llvm.mem.parallel_loop_access ![[COLL1_LOOP_ID]]
|
|
// CHECK-NEXT: [[CALC_L_1:%.+]] = urem i32 [[IV1_4]], 5
|
|
// CHECK-NEXT: [[CALC_L_1_MUL1:%.+]] = mul i32 [[CALC_L_1]], 1
|
|
// CHECK-NEXT: [[CALC_L_2:%.+]] = add i32 4, [[CALC_L_1_MUL1]]
|
|
// CHECK-NEXT: [[CALC_L_3:%.+]] = trunc i32 [[CALC_L_2]] to i16
|
|
// CHECK-NEXT: store i16 [[CALC_L_3]], i16* [[LC_L:.+]]
|
|
// ... loop body ...
|
|
// End of body: store into a[i]:
|
|
// CHECK: store float [[RESULT:%.+]], float* [[RESULT_ADDR:%.+]]{{.+}}!llvm.mem.parallel_loop_access ![[COLL1_LOOP_ID]]
|
|
float res = b[j] * c[k];
|
|
a[i] = res * d[l];
|
|
// CHECK: [[IV2:%.+]] = load i32, i32* [[OMP_IV]]{{.*}}!llvm.mem.parallel_loop_access ![[COLL1_LOOP_ID]]
|
|
// CHECK-NEXT: [[ADD2:%.+]] = add i32 [[IV2]], 1
|
|
// CHECK-NEXT: store i32 [[ADD2]], i32* [[OMP_IV]]{{.*}}!llvm.mem.parallel_loop_access ![[COLL1_LOOP_ID]]
|
|
// br label %{{[^,]+}}, !llvm.loop ![[COLL1_LOOP_ID]]
|
|
// CHECK: [[COLL1_END]]
|
|
}
|
|
// i,j,l are updated; k is not updated.
|
|
// CHECK: store i32 3, i32* [[I:%[^,]+]]
|
|
// CHECK-NEXT: store i32 5, i32* [[I:%[^,]+]]
|
|
// CHECK-NEXT: store i16 9, i16* [[I:%[^,]+]]
|
|
// CHECK: ret void
|
|
}
|
|
|
|
extern char foo();
|
|
extern double globalfloat;
|
|
|
|
// CHECK-LABEL: define {{.*void}} @{{.*}}widened{{.*}}
|
|
void widened(float *a, float *b, float *c, float *d) {
|
|
int i; // outer loop counter
|
|
short j; // inner loop counter
|
|
globalfloat = 1.0;
|
|
int localint = 1;
|
|
// CHECK: store double {{.+}}, double* [[GLOBALFLOAT:@.+]]
|
|
// Counter is widened to 64 bits.
|
|
// CHECK: store i64 0, i64* [[OMP_IV:[^,]+]]
|
|
//
|
|
#pragma omp simd collapse(2) private(globalfloat, localint)
|
|
|
|
// CHECK: [[IV:%.+]] = load i64, i64* [[OMP_IV]]{{.+}}!llvm.mem.parallel_loop_access ![[WIDE1_LOOP_ID:[0-9]+]]
|
|
// CHECK-NEXT: [[LI:%.+]] = load i64, i64* [[OMP_LI:%[^,]+]]{{.+}}!llvm.mem.parallel_loop_access ![[WIDE1_LOOP_ID]]
|
|
// CHECK-NEXT: [[NUMIT:%.+]] = add nsw i64 [[LI]], 1
|
|
// CHECK-NEXT: [[CMP:%.+]] = icmp slt i64 [[IV]], [[NUMIT]]
|
|
// CHECK-NEXT: br i1 [[CMP]], label %[[WIDE1_BODY:[^,]+]], label %[[WIDE1_END:[^,]+]]
|
|
for (i = 1; i < 3; i++) // 2 iterations
|
|
for (j = 0; j < foo(); j++) // foo() iterations
|
|
{
|
|
// CHECK: [[WIDE1_BODY]]
|
|
// Start of body: calculate i from index:
|
|
// CHECK: [[IV1:%.+]] = load i64, i64* [[OMP_IV]]{{.+}}!llvm.mem.parallel_loop_access ![[WIDE1_LOOP_ID]]
|
|
// Calculation of the loop counters values...
|
|
// CHECK: store i32 {{[^,]+}}, i32* [[LC_I:.+]]
|
|
// CHECK: [[IV1_2:%.+]] = load i64, i64* [[OMP_IV]]{{.+}}!llvm.mem.parallel_loop_access ![[WIDE1_LOOP_ID]]
|
|
// CHECK: store i16 {{[^,]+}}, i16* [[LC_J:.+]]
|
|
// ... loop body ...
|
|
//
|
|
// Here we expect store into private double var, not global
|
|
// CHECK-NOT: store double {{.+}}, double* [[GLOBALFLOAT]]
|
|
globalfloat = (float)j/i;
|
|
float res = b[j] * c[j];
|
|
// Store into a[i]:
|
|
// CHECK: store float [[RESULT:%.+]], float* [[RESULT_ADDR:%.+]]{{.+}}!llvm.mem.parallel_loop_access ![[WIDE1_LOOP_ID]]
|
|
a[i] = res * d[i];
|
|
// Then there's a store into private var localint:
|
|
// CHECK: store i32 {{.+}}, i32* [[LOCALINT:%[^,]+]]{{.+}}!llvm.mem.parallel_loop_access ![[WIDE1_LOOP_ID]]
|
|
localint = (int)j;
|
|
// CHECK: [[IV2:%.+]] = load i64, i64* [[OMP_IV]]{{.*}}!llvm.mem.parallel_loop_access ![[WIDE1_LOOP_ID]]
|
|
// CHECK-NEXT: [[ADD2:%.+]] = add nsw i64 [[IV2]], 1
|
|
// CHECK-NEXT: store i64 [[ADD2]], i64* [[OMP_IV]]{{.*}}!llvm.mem.parallel_loop_access ![[WIDE1_LOOP_ID]]
|
|
//
|
|
// br label %{{[^,]+}}, !llvm.loop ![[WIDE1_LOOP_ID]]
|
|
// CHECK: [[WIDE1_END]]
|
|
}
|
|
// i,j are updated.
|
|
// CHECK: store i32 3, i32* [[I:%[^,]+]]
|
|
// CHECK: store i16
|
|
//
|
|
// Here we expect store into original localint, not its privatized version.
|
|
// CHECK-NOT: store i32 {{.+}}, i32* [[LOCALINT]]
|
|
localint = (int)j;
|
|
// CHECK: ret void
|
|
}
|
|
|
|
// TERM_DEBUG-LABEL: bar
|
|
int bar() {return 0;};
|
|
|
|
// TERM_DEBUG-LABEL: parallel_simd
|
|
void parallel_simd(float *a) {
|
|
#pragma omp parallel
|
|
#pragma omp simd
|
|
// TERM_DEBUG-NOT: __kmpc_global_thread_num
|
|
// TERM_DEBUG: invoke i32 {{.*}}bar{{.*}}()
|
|
// TERM_DEBUG: unwind label %[[TERM_LPAD:.+]],
|
|
// TERM_DEBUG-NOT: __kmpc_global_thread_num
|
|
// TERM_DEBUG: [[TERM_LPAD]]
|
|
// TERM_DEBUG: call void @__clang_call_terminate
|
|
// TERM_DEBUG: unreachable
|
|
for (unsigned i = 131071; i <= 2147483647; i += 127)
|
|
a[i] += bar();
|
|
}
|
|
// TERM_DEBUG: !{{[0-9]+}} = !MDLocation(line: [[@LINE-11]],
|
|
#endif // HEADER
|
|
|