teak-llvm/clang/test/OpenMP/taskloop_reduction_codegen.cpp
Alexey Bataev 6ab5bb115a [OPENMP] Do not capture private loop counters.
If the loop counter is not declared in the context of the loop and it is
private, such loop counters should not be captured in the outlined
regions.

llvm-svn: 345505
2018-10-29 15:01:58 +00:00

225 lines
13 KiB
C++

// RUN: %clang_cc1 -fopenmp -x c++ %s -verify -debug-info-kind=limited -emit-llvm -o - -triple powerpc64le-unknown-linux-gnu -std=c++98 | FileCheck %s
// RUN: %clang_cc1 -fopenmp-simd -x c++ %s -verify -debug-info-kind=limited -emit-llvm -o - -triple powerpc64le-unknown-linux-gnu -std=c++98 | FileCheck --check-prefix SIMD-ONLY0 %s
// SIMD-ONLY0-NOT: {{__kmpc|__tgt}}
// expected-no-diagnostics
struct S {
float a;
S() : a(0.0f) {}
~S() {}
};
#pragma omp declare reduction(+:S:omp_out.a += omp_in.a) initializer(omp_priv = omp_orig)
float g;
int a;
#pragma omp threadprivate(a)
int main (int argc, char *argv[])
{
int i, n;
float a[100], b[100], sum, e[argc + 100];
S c[100];
float &d = g;
/* Some initializations */
n = 100;
for (i=0; i < n; i++)
a[i] = b[i] = i * 1.0;
sum = 0.0;
#pragma omp taskloop reduction(+:sum, c[:n], d, e)
for (i=0; i < n; i++) {
sum = sum + (a[i] * b[i]);
c[i].a = i*i;
d += i*i;
e[i] = i;
}
}
// CHECK-LABEL: @main(
// CHECK: [[RETVAL:%.*]] = alloca i32,
// CHECK: [[ARGC_ADDR:%.*]] = alloca i32,
// CHECK: [[ARGV_ADDR:%.*]] = alloca i8**,
// CHECK: [[I:%.*]] = alloca i32,
// CHECK: [[N:%.*]] = alloca i32,
// CHECK: [[A:%.*]] = alloca [100 x float],
// CHECK: [[B:%.*]] = alloca [100 x float],
// CHECK: [[SUM:%.*]] = alloca float,
// CHECK: [[SAVED_STACK:%.*]] = alloca i8*,
// CHECK: [[C:%.*]] = alloca [100 x %struct.S],
// CHECK: [[D:%.*]] = alloca float*,
// CHECK: [[AGG_CAPTURED:%.*]] = alloca [[STRUCT_ANON:%.*]],
// CHECK: [[DOTRD_INPUT_:%.*]] = alloca [4 x %struct.kmp_task_red_input_t],
// CHECK: alloca i32,
// CHECK: [[DOTCAPTURE_EXPR_:%.*]] = alloca i32,
// CHECK: [[DOTCAPTURE_EXPR_9:%.*]] = alloca i32,
// CHECK: [[TMP0:%.*]] = call i32 @__kmpc_global_thread_num(%struct.ident_t*
// CHECK: store i32 0, i32* [[RETVAL]],
// CHECK: store i32 [[ARGC:%.*]], i32* [[ARGC_ADDR]],
// CHECK: store i8** [[ARGV:%.*]], i8*** [[ARGV_ADDR]],
// CHECK: [[TMP1:%.*]] = load i32, i32* [[ARGC_ADDR]],
// CHECK: [[ADD:%.*]] = add nsw i32 [[TMP1]], 100
// CHECK: [[TMP2:%.*]] = zext i32 [[ADD]] to i64
// CHECK: [[VLA:%.+]] = alloca float, i64 %
// CHECK: call void @__kmpc_taskgroup(%struct.ident_t*
// CHECK-DAG: [[TMP21:%.*]] = bitcast float* [[SUM]] to i8*
// CHECK-DAG: store i8* [[TMP21]], i8** [[TMP20:%[^,]+]],
// CHECK-DAG: [[TMP20]] = getelementptr inbounds [[STRUCT_KMP_TASK_RED_INPUT_T:%.+]], %struct.kmp_task_red_input_t* [[DOTRD_INPUT_GEP_:%.+]], i32 0, i32 0
// CHECK-DAG: [[TMP22:%.*]] = getelementptr inbounds [[STRUCT_KMP_TASK_RED_INPUT_T]], %struct.kmp_task_red_input_t* [[DOTRD_INPUT_GEP_]], i32 0, i32 1
// CHECK-DAG: store i64 4, i64* [[TMP22]],
// CHECK-DAG: [[TMP23:%.*]] = getelementptr inbounds [[STRUCT_KMP_TASK_RED_INPUT_T]], %struct.kmp_task_red_input_t* [[DOTRD_INPUT_GEP_]], i32 0, i32 2
// CHECK-DAG: store i8* bitcast (void (i8*)* @[[RED_INIT1:.+]] to i8*), i8** [[TMP23]],
// CHECK-DAG: [[TMP24:%.*]] = getelementptr inbounds [[STRUCT_KMP_TASK_RED_INPUT_T]], %struct.kmp_task_red_input_t* [[DOTRD_INPUT_GEP_]], i32 0, i32 3
// CHECK-DAG: store i8* null, i8** [[TMP24]],
// CHECK-DAG: [[TMP25:%.*]] = getelementptr inbounds [[STRUCT_KMP_TASK_RED_INPUT_T]], %struct.kmp_task_red_input_t* [[DOTRD_INPUT_GEP_]], i32 0, i32 4
// CHECK-DAG: store i8* bitcast (void (i8*, i8*)* @[[RED_COMB1:.+]] to i8*), i8** [[TMP25]],
// CHECK-DAG: [[TMP26:%.*]] = getelementptr inbounds [[STRUCT_KMP_TASK_RED_INPUT_T]], %struct.kmp_task_red_input_t* [[DOTRD_INPUT_GEP_]], i32 0, i32 5
// CHECK-DAG: [[TMP27:%.*]] = bitcast i32* [[TMP26]] to i8*
// CHECK-DAG: call void @llvm.memset.p0i8.i64(i8* align 8 [[TMP27]], i8 0, i64 4, i1 false)
// CHECK-DAG: [[ARRAYIDX5:%.*]] = getelementptr inbounds [100 x %struct.S], [100 x %struct.S]* [[C]], i64 0, i64 0
// CHECK-DAG: [[LB_ADD_LEN:%.*]] = add nsw i64 -1, %
// CHECK-DAG: [[ARRAYIDX6:%.*]] = getelementptr inbounds [100 x %struct.S], [100 x %struct.S]* [[C]], i64 0, i64 [[LB_ADD_LEN]]
// CHECK-DAG: [[TMP31:%.*]] = bitcast %struct.S* [[ARRAYIDX5]] to i8*
// CHECK-DAG: store i8* [[TMP31]], i8** [[TMP28:%[^,]+]],
// CHECK-DAG: [[TMP28]] = getelementptr inbounds [[STRUCT_KMP_TASK_RED_INPUT_T]], %struct.kmp_task_red_input_t* [[DOTRD_INPUT_GEP_4:%.+]], i32 0, i32 0
// CHECK-DAG: [[TMP32:%.*]] = ptrtoint %struct.S* [[ARRAYIDX6]] to i64
// CHECK-DAG: [[TMP33:%.*]] = ptrtoint %struct.S* [[ARRAYIDX5]] to i64
// CHECK-DAG: [[TMP34:%.*]] = sub i64 [[TMP32]], [[TMP33]]
// CHECK-DAG: [[TMP35:%.*]] = sdiv exact i64 [[TMP34]], ptrtoint (float* getelementptr (float, float* null, i32 1) to i64)
// CHECK-DAG: [[TMP36:%.*]] = add nuw i64 [[TMP35]], 1
// CHECK-DAG: [[TMP37:%.*]] = mul nuw i64 [[TMP36]], ptrtoint (float* getelementptr (float, float* null, i32 1) to i64)
// CHECK-DAG: store i64 [[TMP37]], i64* [[TMP38:%[^,]+]],
// CHECK-DAG: [[TMP38]] = getelementptr inbounds [[STRUCT_KMP_TASK_RED_INPUT_T]], %struct.kmp_task_red_input_t* [[DOTRD_INPUT_GEP_4]], i32 0, i32 1
// CHECK-DAG: [[TMP39:%.*]] = getelementptr inbounds [[STRUCT_KMP_TASK_RED_INPUT_T]], %struct.kmp_task_red_input_t* [[DOTRD_INPUT_GEP_4]], i32 0, i32 2
// CHECK-DAG: store i8* bitcast (void (i8*)* @[[RED_INIT2:.+]] to i8*), i8** [[TMP39]],
// CHECK-DAG: [[TMP40:%.*]] = getelementptr inbounds [[STRUCT_KMP_TASK_RED_INPUT_T]], %struct.kmp_task_red_input_t* [[DOTRD_INPUT_GEP_4]], i32 0, i32 3
// CHECK-DAG: store i8* bitcast (void (i8*)* @[[RED_FINI2:.+]] to i8*), i8** [[TMP40]],
// CHECK-DAG: [[TMP41:%.*]] = getelementptr inbounds [[STRUCT_KMP_TASK_RED_INPUT_T]], %struct.kmp_task_red_input_t* [[DOTRD_INPUT_GEP_4]], i32 0, i32 4
// CHECK-DAG: store i8* bitcast (void (i8*, i8*)* @[[RED_COMB2:.+]] to i8*), i8** [[TMP41]],
// CHECK-DAG: [[TMP42:%.*]] = getelementptr inbounds [[STRUCT_KMP_TASK_RED_INPUT_T]], %struct.kmp_task_red_input_t* [[DOTRD_INPUT_GEP_4]], i32 0, i32 5
// CHECK-DAG: store i32 1, i32* [[TMP42]],
// CHECK-DAG: [[TMP44:%.*]] = load float*, float** [[D]],
// CHECK-DAG: [[TMP45:%.*]] = bitcast float* [[TMP44]] to i8*
// CHECK-DAG: store i8* [[TMP45]], i8** [[TMP43:%[^,]+]],
// CHECK-DAG: [[TMP43]] = getelementptr inbounds [[STRUCT_KMP_TASK_RED_INPUT_T]], %struct.kmp_task_red_input_t* [[DOTRD_INPUT_GEP_7:%.+]], i32 0, i32 0
// CHECK-DAG: [[TMP46:%.*]] = getelementptr inbounds [[STRUCT_KMP_TASK_RED_INPUT_T]], %struct.kmp_task_red_input_t* [[DOTRD_INPUT_GEP_7]], i32 0, i32 1
// CHECK-DAG: store i64 4, i64* [[TMP46]],
// CHECK-DAG: [[TMP47:%.*]] = getelementptr inbounds [[STRUCT_KMP_TASK_RED_INPUT_T]], %struct.kmp_task_red_input_t* [[DOTRD_INPUT_GEP_7]], i32 0, i32 2
// CHECK-DAG: store i8* bitcast (void (i8*)* @[[RED_INIT3:.+]] to i8*), i8** [[TMP47]],
// CHECK-DAG: [[TMP48:%.*]] = getelementptr inbounds [[STRUCT_KMP_TASK_RED_INPUT_T]], %struct.kmp_task_red_input_t* [[DOTRD_INPUT_GEP_7]], i32 0, i32 3
// CHECK-DAG: store i8* null, i8** [[TMP48]],
// CHECK-DAG: [[TMP49:%.*]] = getelementptr inbounds [[STRUCT_KMP_TASK_RED_INPUT_T]], %struct.kmp_task_red_input_t* [[DOTRD_INPUT_GEP_7]], i32 0, i32 4
// CHECK-DAG: store i8* bitcast (void (i8*, i8*)* @[[RED_COMB3:.+]] to i8*), i8** [[TMP49]],
// CHECK-DAG: [[TMP50:%.*]] = getelementptr inbounds [[STRUCT_KMP_TASK_RED_INPUT_T]], %struct.kmp_task_red_input_t* [[DOTRD_INPUT_GEP_7]], i32 0, i32 5
// CHECK-DAG: [[TMP51:%.*]] = bitcast i32* [[TMP50]] to i8*
// CHECK-DAG: call void @llvm.memset.p0i8.i64(i8* align 8 [[TMP51]], i8 0, i64 4, i1 false)
// CHECK-DAG: [[TMP53:%.*]] = bitcast float* [[VLA]] to i8*
// CHECK-DAG: store i8* [[TMP53]], i8** [[TMP52:%[^,]+]],
// CHECK-DAG: [[TMP52]] = getelementptr inbounds [[STRUCT_KMP_TASK_RED_INPUT_T]], %struct.kmp_task_red_input_t* [[DOTRD_INPUT_GEP_8:%.+]], i32 0, i32 0
// CHECK-DAG: [[TMP54:%.*]] = mul nuw i64 [[TMP2]], 4
// CHECK-DAG: [[TMP55:%.*]] = udiv exact i64 [[TMP54]], ptrtoint (float* getelementptr (float, float* null, i32 1) to i64)
// CHECK-DAG: store i64 [[TMP54]], i64* [[TMP56:%[^,]+]],
// CHECK-DAG: [[TMP56]] = getelementptr inbounds [[STRUCT_KMP_TASK_RED_INPUT_T]], %struct.kmp_task_red_input_t* [[DOTRD_INPUT_GEP_8]], i32 0, i32 1
// CHECK-DAG: [[TMP57:%.*]] = getelementptr inbounds [[STRUCT_KMP_TASK_RED_INPUT_T]], %struct.kmp_task_red_input_t* [[DOTRD_INPUT_GEP_8]], i32 0, i32 2
// CHECK-DAG: store i8* bitcast (void (i8*)* @[[RED_INIT4:.+]] to i8*), i8** [[TMP57]],
// CHECK-DAG: [[TMP58:%.*]] = getelementptr inbounds [[STRUCT_KMP_TASK_RED_INPUT_T]], %struct.kmp_task_red_input_t* [[DOTRD_INPUT_GEP_8]], i32 0, i32 3
// CHECK-DAG: store i8* null, i8** [[TMP58]],
// CHECK-DAG: [[TMP59:%.*]] = getelementptr inbounds [[STRUCT_KMP_TASK_RED_INPUT_T]], %struct.kmp_task_red_input_t* [[DOTRD_INPUT_GEP_8]], i32 0, i32 4
// CHECK-DAG: store i8* bitcast (void (i8*, i8*)* @[[RED_COMB4:.+]] to i8*), i8** [[TMP59]],
// CHECK-DAG: [[TMP60:%.*]] = getelementptr inbounds [[STRUCT_KMP_TASK_RED_INPUT_T]], %struct.kmp_task_red_input_t* [[DOTRD_INPUT_GEP_8]], i32 0, i32 5
// CHECK-DAG: store i32 1, i32* [[TMP60]],
// CHECK-DAG: [[DOTRD_INPUT_GEP_]] = getelementptr inbounds [4 x %struct.kmp_task_red_input_t], [4 x %struct.kmp_task_red_input_t]* [[DOTRD_INPUT_]], i64 0, i64
// CHECK-DAG: [[DOTRD_INPUT_GEP_4]] = getelementptr inbounds [4 x %struct.kmp_task_red_input_t], [4 x %struct.kmp_task_red_input_t]* [[DOTRD_INPUT_]], i64 0, i64
// CHECK-DAG: [[DOTRD_INPUT_GEP_7]] = getelementptr inbounds [4 x %struct.kmp_task_red_input_t], [4 x %struct.kmp_task_red_input_t]* [[DOTRD_INPUT_]], i64 0, i64
// CHECK-DAG: [[DOTRD_INPUT_GEP_8]] = getelementptr inbounds [4 x %struct.kmp_task_red_input_t], [4 x %struct.kmp_task_red_input_t]* [[DOTRD_INPUT_]], i64 0, i64
// CHECK: [[TMP61:%.*]] = bitcast [4 x %struct.kmp_task_red_input_t]* [[DOTRD_INPUT_]] to i8*
// CHECK: [[TMP62:%.*]] = call i8* @__kmpc_task_reduction_init(i32 [[TMP0]], i32 4, i8* [[TMP61]])
// CHECK: [[TMP63:%.*]] = load i32, i32* [[N]],
// CHECK: store i32 [[TMP63]], i32* [[DOTCAPTURE_EXPR_]],
// CHECK: [[TMP64:%.*]] = load i32, i32* [[DOTCAPTURE_EXPR_]],
// CHECK: [[SUB:%.*]] = sub nsw i32 [[TMP64]], 0
// CHECK: [[SUB10:%.*]] = sub nsw i32 [[SUB]], 1
// CHECK: [[ADD11:%.*]] = add nsw i32 [[SUB10]], 1
// CHECK: [[DIV:%.*]] = sdiv i32 [[ADD11]], 1
// CHECK: [[SUB12:%.*]] = sub nsw i32 [[DIV]], 1
// CHECK: store i32 [[SUB12]], i32* [[DOTCAPTURE_EXPR_9]],
// CHECK: [[TMP65:%.*]] = call i8* @__kmpc_omp_task_alloc(%struct.ident_t* %{{.+}}, i32 [[TMP0]], i32 1, i64 888, i64 64, i32 (i32, i8*)* bitcast (i32 (i32, %struct.kmp_task_t_with_privates*)* @[[TASK:.+]] to i32 (i32, i8*)*))
// CHECK: call void @__kmpc_taskloop(%struct.ident_t* %{{.+}}, i32 [[TMP0]], i8* [[TMP65]], i32 1, i64* %{{.+}}, i64* %{{.+}}, i64 %{{.+}}, i32 1, i32 0, i64 0, i8* null)
// CHECK: call void @__kmpc_end_taskgroup(%struct.ident_t*
// CHECK: ret i32
// CHECK: define internal void @[[RED_INIT1]](i8*)
// CHECK: store float 0.000000e+00, float* %
// CHECK: ret void
// CHECK: define internal void @[[RED_COMB1]](i8*, i8*)
// CHECK: fadd float %
// CHECK: store float %{{.+}}, float* %
// CHECK: ret void
// CHECK: define internal void @[[RED_INIT2]](i8*)
// CHECK: call i8* @__kmpc_threadprivate_cached(
// CHECK: [[ORIG_PTR_ADDR:%.+]] = call i8* @__kmpc_threadprivate_cached(
// CHECK: [[ORIG_PTR_REF:%.+]] = bitcast i8* [[ORIG_PTR_ADDR]] to i8**
// CHECK: load i8*, i8** [[ORIG_PTR_REF]],
// CHECK: call void @llvm.memcpy.p0i8.p0i8.i64(
// CHECK: ret void
// CHECK: define internal void @[[RED_FINI2]](i8*)
// CHECK: call i8* @__kmpc_threadprivate_cached(
// CHECK: call void @
// CHECK: ret void
// CHECK: define internal void @[[RED_COMB2]](i8*, i8*)
// CHECK: call i8* @__kmpc_threadprivate_cached(
// CHECK: fadd float %
// CHECK: store float %{{.+}}, float* %
// CHECK: ret void
// CHECK: define internal void @[[RED_INIT3]](i8*)
// CHECK: store float 0.000000e+00, float* %
// CHECK: ret void
// CHECK: define internal void @[[RED_COMB3]](i8*, i8*)
// CHECK: fadd float %
// CHECK: store float %{{.+}}, float* %
// CHECK: ret void
// CHECK: define internal void @[[RED_INIT4]](i8*)
// CHECK: call i8* @__kmpc_threadprivate_cached(
// CHECK: store float 0.000000e+00, float* %
// CHECK: ret void
// CHECK: define internal void @[[RED_COMB4]](i8*, i8*)
// CHECK: call i8* @__kmpc_threadprivate_cached(
// CHECK: fadd float %
// CHECK: store float %{{.+}}, float* %
// CHECK: ret void
// CHECK-NOT: call i8* @__kmpc_threadprivate_cached(
// CHECK: call i8* @__kmpc_task_reduction_get_th_data(
// CHECK: call i8* @__kmpc_threadprivate_cached(
// CHECK: call i8* @__kmpc_threadprivate_cached(
// CHECK: call i8* @__kmpc_task_reduction_get_th_data(
// CHECK-NOT: call i8* @__kmpc_threadprivate_cached(
// CHECK: call i8* @__kmpc_task_reduction_get_th_data(
// CHECK: call i8* @__kmpc_threadprivate_cached(
// CHECK: call i8* @__kmpc_task_reduction_get_th_data(
// CHECK-NOT: call i8* @__kmpc_threadprivate_cached(
// CHECK-DAG: distinct !DISubprogram(linkageName: "[[TASK]]", scope: !
// CHECK-DAG: !DISubprogram(linkageName: "[[RED_INIT1]]"
// CHECK-DAG: !DISubprogram(linkageName: "[[RED_COMB1]]"
// CHECK-DAG: !DISubprogram(linkageName: "[[RED_INIT2]]"
// CHECK-DAG: !DISubprogram(linkageName: "[[RED_FINI2]]"
// CHECK-DAG: !DISubprogram(linkageName: "[[RED_COMB2]]"
// CHECK-DAG: !DISubprogram(linkageName: "[[RED_INIT3]]"
// CHECK-DAG: !DISubprogram(linkageName: "[[RED_COMB3]]"
// CHECK-DAG: !DISubprogram(linkageName: "[[RED_INIT4]]"
// CHECK-DAG: !DISubprogram(linkageName: "[[RED_COMB4]]"