teak-llvm/clang/test/OpenMP/distribute_simd_reduction_codegen.cpp
Alexey Bataev 5c4273620d [OPENMP]Improve detection of number of teams, threads in target
regions.

Added more complex analysis for number of teams and number of threads in
the target regions, also merged related common code between CGOpenMPRuntime
and CGOpenMPRuntimeNVPTX classes.

llvm-svn: 358126
2019-04-10 19:11:33 +00:00

218 lines
11 KiB
C++

// RUN: %clang_cc1 -DCHECK -verify -fopenmp -x c++ -triple powerpc64le-unknown-unknown -fopenmp-targets=powerpc64le-ibm-linux-gnu -emit-llvm %s -o - | FileCheck %s --check-prefix CHECK --check-prefix CHECK-64
// RUN: %clang_cc1 -DCHECK -fopenmp -x c++ -std=c++11 -triple powerpc64le-unknown-unknown -fopenmp-targets=powerpc64le-ibm-linux-gnu -emit-pch -o %t %s
// RUN: %clang_cc1 -DCHECK -fopenmp -x c++ -triple powerpc64le-unknown-unknown -fopenmp-targets=powerpc64le-ibm-linux-gnu -std=c++11 -include-pch %t -verify %s -emit-llvm -o - | FileCheck %s --check-prefix CHECK --check-prefix CHECK-64
// RUN: %clang_cc1 -DCHECK -verify -fopenmp -x c++ -triple i386-unknown-unknown -fopenmp-targets=i386-pc-linux-gnu -emit-llvm %s -o - | FileCheck %s --check-prefix CHECK --check-prefix CHECK-32
// RUN: %clang_cc1 -DCHECK -fopenmp -x c++ -std=c++11 -triple i386-unknown-unknown -fopenmp-targets=i386-pc-linux-gnu -emit-pch -o %t %s
// RUN: %clang_cc1 -DCHECK -fopenmp -x c++ -triple i386-unknown-unknown -fopenmp-targets=i386-pc-linux-gnu -std=c++11 -include-pch %t -verify %s -emit-llvm -o - | FileCheck %s --check-prefix CHECK --check-prefix CHECK-32
// RUN: %clang_cc1 -DCHECK -verify -fopenmp-simd -x c++ -triple powerpc64le-unknown-unknown -fopenmp-targets=powerpc64le-ibm-linux-gnu -emit-llvm %s -o - | FileCheck --check-prefix SIMD-ONLY0 %s
// RUN: %clang_cc1 -DCHECK -fopenmp-simd -x c++ -std=c++11 -triple powerpc64le-unknown-unknown -fopenmp-targets=powerpc64le-ibm-linux-gnu -emit-pch -o %t %s
// RUN: %clang_cc1 -DCHECK -fopenmp-simd -x c++ -triple powerpc64le-unknown-unknown -fopenmp-targets=powerpc64le-ibm-linux-gnu -std=c++11 -include-pch %t -verify %s -emit-llvm -o - | FileCheck --check-prefix SIMD-ONLY0 %s
// RUN: %clang_cc1 -DCHECK -verify -fopenmp-simd -x c++ -triple i386-unknown-unknown -fopenmp-targets=i386-pc-linux-gnu -emit-llvm %s -o - | FileCheck --check-prefix SIMD-ONLY0 %s
// RUN: %clang_cc1 -DCHECK -fopenmp-simd -x c++ -std=c++11 -triple i386-unknown-unknown -fopenmp-targets=i386-pc-linux-gnu -emit-pch -o %t %s
// RUN: %clang_cc1 -DCHECK -fopenmp-simd -x c++ -triple i386-unknown-unknown -fopenmp-targets=i386-pc-linux-gnu -std=c++11 -include-pch %t -verify %s -emit-llvm -o - | FileCheck --check-prefix SIMD-ONLY0 %s
// SIMD-ONLY0-NOT: {{__kmpc|__tgt}}
// RUN: %clang_cc1 -DLAMBDA -verify -fopenmp -x c++ -std=c++11 -triple powerpc64le-unknown-unknown -fopenmp-targets=powerpc64le-ibm-linux-gnu -emit-llvm %s -o - | FileCheck %s --check-prefix LAMBDA --check-prefix LAMBDA-64
// RUN: %clang_cc1 -DLAMBDA -fopenmp -x c++ -std=c++11 -triple powerpc64le-unknown-unknown -fopenmp-targets=powerpc64le-ibm-linux-gnu -emit-pch -o %t %s
// RUN: %clang_cc1 -DLAMBDA -fopenmp -x c++ -std=c++11 -triple powerpc64le-unknown-unknown -fopenmp-targets=powerpc64le-ibm-linux-gnu -std=c++11 -include-pch %t -verify %s -emit-llvm -o - | FileCheck %s --check-prefix LAMBDA --check-prefix LAMBDA-64
// RUN: %clang_cc1 -DLAMBDA -verify -fopenmp-simd -x c++ -std=c++11 -triple powerpc64le-unknown-unknown -fopenmp-targets=powerpc64le-ibm-linux-gnu -emit-llvm %s -o - | FileCheck --check-prefix SIMD-ONLY1 %s
// RUN: %clang_cc1 -DLAMBDA -fopenmp-simd -x c++ -std=c++11 -triple powerpc64le-unknown-unknown -fopenmp-targets=powerpc64le-ibm-linux-gnu -emit-pch -o %t %s
// RUN: %clang_cc1 -DLAMBDA -fopenmp-simd -x c++ -std=c++11 -triple powerpc64le-unknown-unknown -fopenmp-targets=powerpc64le-ibm-linux-gnu -std=c++11 -include-pch %t -verify %s -emit-llvm -o - | FileCheck --check-prefix SIMD-ONLY1 %s
// SIMD-ONLY1-NOT: {{__kmpc|__tgt}}
// expected-no-diagnostics
#ifndef HEADER
#define HEADER
template <typename T>
T tmain() {
T t_var = T();
T vec[] = {1, 2};
#pragma omp target
#pragma omp teams
#pragma omp distribute simd reduction(+: t_var)
for (int i = 0; i < 2; ++i) {
t_var += (T) i;
}
return T();
}
int main() {
static int sivar;
#ifdef LAMBDA
// LAMBDA-LABEL: @main
// LAMBDA: call void [[OUTER_LAMBDA:@.+]](
[&]() {
// LAMBDA: define{{.*}} internal{{.*}} void [[OUTER_LAMBDA]](
// LAMBDA: call i32 @__tgt_target_teams(i64 -1, i8* @{{[^,]+}}, i32 1, i8** %{{[^,]+}}, i8** %{{[^,]+}}, i{{64|32}}* {{.+}}@{{[^,]+}}, i32 0, i32 0), i64* {{.+}}@{{[^,]+}}, i32 0, i32 0), i32 0, i32 1)
// LAMBDA: call void @[[LOFFL1:.+]](
// LAMBDA: ret
#pragma omp target
#pragma omp teams
#pragma omp distribute simd reduction(+: sivar)
for (int i = 0; i < 2; ++i) {
// LAMBDA: define{{.*}} internal{{.*}} void @[[LOFFL1]](i{{64|32}} [[SIVAR_ARG:%.+]])
// LAMBDA: [[SIVAR_ADDR:%.+]] = alloca i{{.+}},
// LAMBDA: store{{.+}} [[SIVAR_ARG]], {{.+}} [[SIVAR_ADDR]],
// LAMBDA: [[SIVAR_CONV:%.+]] = bitcast{{.+}} [[SIVAR_ADDR]] to
// LAMBDA: call void {{.+}} @__kmpc_fork_teams({{.+}}, i32 1, {{.+}} @[[LOUTL1:.+]] to {{.+}}, {{.+}} [[SIVAR_CONV]])
// LAMBDA: ret void
// LAMBDA: define internal void @[[LOUTL1]]({{.+}}, {{.+}}, {{.+}} [[SIVAR_ARG:%.+]])
// Skip global and bound tid vars
// LAMBDA: {{.+}} = alloca i32*,
// LAMBDA: {{.+}} = alloca i32*,
// LAMBDA: [[SIVAR_ADDR:%.+]] = alloca i{{.+}}*,
// LAMBDA: alloca i{{.+}},
// LAMBDA: alloca i{{.+}},
// LAMBDA: alloca i{{.+}},
// LAMBDA: alloca i{{.+}},
// LAMBDA: alloca i{{.+}},
// LAMBDA: alloca i{{.+}},
// LAMBDA: [[SIVAR_PRIV:%.+]] = alloca i{{.+}},
// LAMBDA: store{{.+}} [[SIVAR_ARG]], {{.+}} [[SIVAR_ADDR]],
// LAMBDA: [[SIVAR_REF:%.+]] = load{{.+}}, {{.+}} [[SIVAR_ADDR]]
// LAMBDA: store{{.+}} 0, {{.+}} [[SIVAR_PRIV]],
// LAMBDA: call void @__kmpc_for_static_init_4(
// LAMBDA: store{{.+}}, {{.+}} [[SIVAR_PRIV]],
// LAMBDA: call void [[INNER_LAMBDA:@.+]](
// LAMBDA: call void @__kmpc_for_static_fini(
// LAMBDA: [[LAST_ITER:%.+]] = load i32, i32* %
// LAMBDA: [[IS_LAST:%.+]] = icmp ne i32 [[LAST_ITER]], 0
// LAMBDA: br i1 [[IS_LAST]], label %[[THEN:.+]], label %[[DONE:.+]]
// LAMBDA: [[THEN]]
// LAMBDA: store i32 2, i32* %
// LAMBDA: br label %[[DONE]]
// LAMBDA: [[DONE]]
// LAMBDA: [[SIVAR_ORIG_VAL:%.+]] = load i32, i32* [[SIVAR_REF]],
// LAMBDA: [[SIVAR_PRIV_VAL:%.+]] = load i32, i32* [[SIVAR_PRIV]],
// LAMBDA: [[ADD:%.+]] = add nsw i32 [[SIVAR_ORIG_VAL]], [[SIVAR_PRIV_VAL]]
// LAMBDA: store i32 [[ADD]], i32* [[SIVAR_REF]],
// LAMBDA: ret void
sivar += i;
[&]() {
// LAMBDA: define {{.+}} void [[INNER_LAMBDA]](%{{.+}}* [[ARG_PTR:%.+]])
// LAMBDA: store %{{.+}}* [[ARG_PTR]], %{{.+}}** [[ARG_PTR_REF:%.+]],
sivar += 4;
// LAMBDA: [[ARG_PTR:%.+]] = load %{{.+}}*, %{{.+}}** [[ARG_PTR_REF]]
// LAMBDA: [[SIVAR_PTR_REF:%.+]] = getelementptr inbounds %{{.+}}, %{{.+}}* [[ARG_PTR]], i{{[0-9]+}} 0, i{{[0-9]+}} 0
// LAMBDA: [[SIVAR_REF:%.+]] = load i{{[0-9]+}}*, i{{[0-9]+}}** [[SIVAR_PTR_REF]]
// LAMBDA: [[SIVAR_VAL:%.+]] = load i{{[0-9]+}}, i{{[0-9]+}}* [[SIVAR_REF]]
// LAMBDA: [[SIVAR_INC:%.+]] = add{{.+}} [[SIVAR_VAL]], 4
// LAMBDA: store i{{[0-9]+}} [[SIVAR_INC]], i{{[0-9]+}}* [[SIVAR_REF]]
}();
}
}();
return 0;
#else
#pragma omp target
#pragma omp teams
#pragma omp distribute simd reduction(+: sivar)
for (int i = 0; i < 2; ++i) {
sivar += i;
}
return tmain<int>();
#endif
}
// CHECK: define {{.*}}i{{[0-9]+}} @main()
// CHECK: call i32 @__tgt_target_teams(i64 -1, i8* @{{[^,]+}}, i32 1, i8** %{{[^,]+}}, i8** %{{[^,]+}}, i{{64|32}}* {{.+}}@{{[^,]+}}, i32 0, i32 0), i64* {{.+}}@{{[^,]+}}, i32 0, i32 0), i32 0, i32 1)
// CHECK: call void @[[OFFL1:.+]](i{{64|32}} %{{.+}})
// CHECK: {{%.+}} = call{{.*}} i32 @[[TMAIN_INT:.+]]()
// CHECK: ret
// CHECK: define{{.*}} void @[[OFFL1]](i{{64|32}} [[SIVAR_ARG:%.+]])
// CHECK: [[SIVAR_ADDR:%.+]] = alloca i{{.+}},
// CHECK: store{{.+}} [[SIVAR_ARG]], {{.+}} [[SIVAR_ADDR]],
// CHECK-64: [[SIVAR_CONV:%.+]] = bitcast{{.+}} [[SIVAR_ADDR]] to
// CHECK-64: call void {{.+}} @__kmpc_fork_teams({{.+}}, i32 1, {{.+}} @[[OUTL1:.+]] to {{.+}}, {{.+}} [[SIVAR_CONV]])
// CHECK-32: call void {{.+}} @__kmpc_fork_teams({{.+}}, i32 1, {{.+}} @[[OUTL1:.+]] to {{.+}}, {{.+}} [[SIVAR_ADDR]])
// CHECK: ret void
// CHECK: define internal void @[[OUTL1]]({{.+}}, {{.+}}, {{.+}} [[SIVAR_ARG:%.+]])
// Skip global and bound tid vars
// CHECK: {{.+}} = alloca i32*,
// CHECK: {{.+}} = alloca i32*,
// CHECK: [[SIVAR_ADDR:%.+]] = alloca i{{.+}}*,
// CHECK: alloca i{{.+}},
// CHECK: alloca i{{.+}},
// CHECK: alloca i{{.+}},
// CHECK: alloca i{{.+}},
// CHECK: alloca i{{.+}},
// CHECK: alloca i{{.+}},
// CHECK: [[SIVAR_PRIV:%.+]] = alloca i{{.+}},
// CHECK: store{{.+}} [[SIVAR_ARG]], {{.+}} [[SIVAR_ADDR]],
// CHECK: [[SIVAR_REF:%.+]] = load{{.+}}, {{.+}} [[SIVAR_ADDR]]
// CHECK: store{{.+}} 0, {{.+}} [[SIVAR_PRIV]],
// CHECK: call void @__kmpc_for_static_init_4(
// CHECK: store{{.+}}, {{.+}} [[SIVAR_PRIV]],
// CHECK: call void @__kmpc_for_static_fini(
// CHECK: [[LAST_ITER:%.+]] = load i32, i32* %
// CHECK: [[IS_LAST:%.+]] = icmp ne i32 [[LAST_ITER]], 0
// CHECK: br i1 [[IS_LAST]], label %[[THEN:.+]], label %[[DONE:.+]]
// CHECK: [[THEN]]
// CHECK: store i32 2, i32* %
// CHECK: br label %[[DONE]]
// CHECK: [[DONE]]
// CHECK: [[SIVAR_ORIG_VAL:%.+]] = load i32, i32* [[SIVAR_REF]],
// CHECK: [[SIVAR_PRIV_VAL:%.+]] = load i32, i32* [[SIVAR_PRIV]],
// CHECK: [[ADD:%.+]] = add nsw i32 [[SIVAR_ORIG_VAL]], [[SIVAR_PRIV_VAL]]
// CHECK: store i32 [[ADD]], i32* [[SIVAR_REF]],
// CHECK: ret void
// CHECK: define{{.*}} i{{[0-9]+}} @[[TMAIN_INT]]()
// CHECK: call i32 @__tgt_target_teams(i64 -1, i8* @{{[^,]+}}, i32 1,
// CHECK: call void @[[TOFFL1:.+]]({{.+}})
// CHECK: ret
// CHECK: define{{.*}} void @[[TOFFL1]](i{{64|32}} [[TVAR_ARG:%.+]])
// CHECK: [[TVAR_ADDR:%.+]] = alloca i{{.+}},
// CHECK: store{{.+}} [[TVAR_ARG]], {{.+}} [[TVAR_ADDR]],
// CHECK-64: [[TVAR_CONV:%.+]] = bitcast{{.+}} [[TVAR_ADDR]] to
// CHECK-64: call void {{.+}} @__kmpc_fork_teams({{.+}}, i32 1, {{.+}} @[[TOUTL1:.+]] to {{.+}}, {{.+}} [[TVAR_CONV]])
// CHECK-32: call void {{.+}} @__kmpc_fork_teams({{.+}}, i32 1, {{.+}} @[[TOUTL1:.+]] to {{.+}}, {{.+}} [[TVAR_ADDR]])
// CHECK: ret void
// CHECK: define internal void @[[TOUTL1]]({{.+}}, {{.+}}, {{.+}} [[TVAR_ARG:%.+]])
// Skip global and bound tid vars
// CHECK: {{.+}} = alloca i32*,
// CHECK: {{.+}} = alloca i32*,
// CHECK: [[TVAR_ADDR:%.+]] = alloca i{{.+}}*,
// CHECK: alloca i{{.+}},
// CHECK: alloca i{{.+}},
// CHECK: alloca i{{.+}},
// CHECK: alloca i{{.+}},
// CHECK: alloca i{{.+}},
// CHECK: alloca i{{.+}},
// CHECK: [[TVAR_PRIV:%.+]] = alloca i{{.+}},
// CHECK: store{{.+}} [[TVAR_ARG]], {{.+}} [[TVAR_ADDR]],
// CHECK: [[TVAR_REF:%.+]] = load{{.+}}, {{.+}} [[TVAR_ADDR]]
// CHECK: store{{.+}} 0, {{.+}} [[TVAR_PRIV]],
// CHECK: call void @__kmpc_for_static_init_4(
// CHECK: store{{.+}}, {{.+}} [[TVAR_PRIV]],
// CHECK: call void @__kmpc_for_static_fini(
// CHECK: [[LAST_ITER:%.+]] = load i32, i32* %
// CHECK: [[IS_LAST:%.+]] = icmp ne i32 [[LAST_ITER]], 0
// CHECK: br i1 [[IS_LAST]], label %[[THEN:.+]], label %[[DONE:.+]]
// CHECK: [[THEN]]
// CHECK: store i32 2, i32* %
// CHECK: br label %[[DONE]]
// CHECK: [[DONE]]
// CHECK: [[TVAR_ORIG_VAL:%.+]] = load i32, i32* [[TVAR_REF]],
// CHECK: [[TVAR_PRIV_VAL:%.+]] = load i32, i32* [[TVAR_PRIV]],
// CHECK: [[ADD:%.+]] = add nsw i32 [[TVAR_ORIG_VAL]], [[TVAR_PRIV_VAL]]
// CHECK: store i32 [[ADD]], i32* [[TVAR_REF]],
// CHECK: ret void
// CHECK: !{!"llvm.loop.vectorize.enable", i1 true}
#endif