[OpenMP] Initial implementation of teams distribute code generation
https://reviews.llvm.org/D38371
This patch implements codegen for the combined 'teams distribute" OpenMP pragma and adds regression tests for all its clauses.
llvm-svn: 314905
diff --git a/clang/test/OpenMP/teams_distribute_collapse_codegen.cpp b/clang/test/OpenMP/teams_distribute_collapse_codegen.cpp
new file mode 100644
index 0000000..e916077
--- /dev/null
+++ b/clang/test/OpenMP/teams_distribute_collapse_codegen.cpp
@@ -0,0 +1,126 @@
+// expected-no-diagnostics
+#ifndef HEADER
+#define HEADER
+
+// Test host codegen.
+// RUN: %clang_cc1 -DCK1 -verify -fopenmp -x c++ -triple powerpc64le-unknown-unknown -fopenmp-targets=powerpc64le-ibm-linux-gnu -emit-llvm %s -o - | FileCheck %s --check-prefix CK1 --check-prefix CK1-64
+// RUN: %clang_cc1 -DCK1 -fopenmp -x c++ -std=c++11 -triple powerpc64le-unknown-unknown -fopenmp-targets=powerpc64le-ibm-linux-gnu -emit-pch -o %t %s
+// RUN: %clang_cc1 -DCK1 -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 CK1 --check-prefix CK1-64
+// RUN: %clang_cc1 -DCK1 -verify -fopenmp -x c++ -triple i386-unknown-unknown -fopenmp-targets=i386-pc-linux-gnu -emit-llvm %s -o - | FileCheck %s --check-prefix CK1 --check-prefix CK1-32
+// RUN: %clang_cc1 -DCK1 -fopenmp -x c++ -std=c++11 -triple i386-unknown-unknown -fopenmp-targets=i386-pc-linux-gnu -emit-pch -o %t %s
+// RUN: %clang_cc1 -DCK1 -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 CK1 --check-prefix CK1-32
+#ifdef CK1
+
+template <typename T, int X, long long Y>
+struct SS{
+ T a[X][Y];
+
+ // CK1: define {{.*}}i32 @{{.+}}foo{{.+}}(
+ int foo(void) {
+
+ // CK1: call i32 @__tgt_target(
+ // CK1: call void @[[OFFL1:.+]](
+ #pragma omp target
+ #pragma omp teams distribute collapse(2)
+ for(int i = 0; i < X; i++) {
+ for(int j = 0; j < Y; j++) {
+ a[i][j] = (T)0;
+ }
+ }
+ // CK1: define internal void @[[OFFL1]](
+ // CK1: call void {{.+}} @__kmpc_fork_teams({{.+}}, i32 1, {{.+}} @[[OUTL1:.+]] to {{.+}},
+ // CK1: ret void
+
+ // CK1: define internal void @[[OUTL1]]({{.+}})
+ // discard loop variables not needed here
+ // CK1: = alloca i32,
+ // CK1: = alloca i32,
+ // CK1: [[OMP_UB:%.+]] = alloca i32,
+ // CK1: store i32 56087, i32* [[OMP_UB]],
+ // CK1: call void @__kmpc_for_static_init_4({{.+}}, {{.+}}, i32 92, {{.+}}, {{.+}}, i32* [[OMP_UB]],
+ // CK1: call void @__kmpc_for_static_fini(
+ // CK1: ret void
+
+ return a[0][0];
+ }
+};
+
+int teams_template_struct(void) {
+ SS<int, 123, 456> V;
+ return V.foo();
+
+}
+#endif // CK1
+
+// Test host codegen.
+// RUN: %clang_cc1 -DCK2 -verify -fopenmp -x c++ -triple powerpc64le-unknown-unknown -fopenmp-targets=powerpc64le-ibm-linux-gnu -emit-llvm %s -o - | FileCheck %s --check-prefix CK2 --check-prefix CK2-64
+// RUN: %clang_cc1 -DCK2 -fopenmp -x c++ -std=c++11 -triple powerpc64le-unknown-unknown -fopenmp-targets=powerpc64le-ibm-linux-gnu -emit-pch -o %t %s
+// RUN: %clang_cc1 -DCK2 -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 CK2 --check-prefix CK2-64
+// RUN: %clang_cc1 -DCK2 -verify -fopenmp -x c++ -triple i386-unknown-unknown -fopenmp-targets=i386-pc-linux-gnu -emit-llvm %s -o - | FileCheck %s --check-prefix CK2 --check-prefix CK2-32
+// RUN: %clang_cc1 -DCK2 -fopenmp -x c++ -std=c++11 -triple i386-unknown-unknown -fopenmp-targets=i386-pc-linux-gnu -emit-pch -o %t %s
+// RUN: %clang_cc1 -DCK2 -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 CK2 --check-prefix CK2-32
+#ifdef CK2
+
+template <typename T, int n, int m>
+int tmain(T argc) {
+ T a[n][m];
+ #pragma omp target
+ #pragma omp teams distribute collapse(2)
+ for(int i = 0; i < n; i++) {
+ for(int j = 0; j < m; j++) {
+ a[i][j] = (T)0;
+ }
+ }
+ return 0;
+}
+
+int main (int argc, char **argv) {
+ int n = 100;
+ int m = 2;
+ int a[n][m];
+ #pragma omp target
+ #pragma omp teams distribute collapse(2)
+ for(int i = 0; i < n; i++) {
+ for(int j = 0; j < m; j++) {
+ a[i][j] = 0;
+ }
+ }
+ return tmain<int, 10, 2>(argc);
+}
+
+// CK2: define {{.*}}i32 @{{[^,]+}}(i{{.+}}{{.+}} %[[ARGC:.+]], {{.+}})
+// CK2: call i32 @__tgt_target(
+// CK2: call void @[[OFFL1:.+]]({{.+}})
+// CK2: {{%.+}} = call{{.*}} i32 @[[TMAIN:.+]]({{.+}})
+// CK2: ret
+
+// CK2: define {{.*}}void @[[OFFL1]]({{.+}})
+// CK2: call void {{.+}} @__kmpc_fork_teams({{.+}}, i32 5, {{.+}} @[[OUTL1:.+]] to {{.+}},
+// CK2: ret void
+
+// CK2: define internal void @[[OUTL1]]({{.+}})
+// CK2: [[OMP_UB:%.omp.ub]] = alloca i64,
+// CK2: store i64 {{.+}}, i64* [[OMP_UB]],
+// CK2: call void @__kmpc_for_static_init_8({{.+}}, {{.+}}, i32 92, {{.+}}, {{.+}}, i64* [[OMP_UB]],
+// CK2: call void @__kmpc_for_static_fini(
+// CK2: ret void
+// CK2: define {{.*}}i32 @[[TMAIN]]({{.+}})
+// CK2: call i32 @__tgt_target(
+// CK2: call void @[[OFFLT1:.+]]({{.+}})
+// CK2: ret
+// CK2-NEXT: }
+
+// CK2: define {{.*}}void @[[OFFLT1]]({{.+}})
+// CK2: call void {{.+}} @__kmpc_fork_teams({{.+}}, i32 1, {{.+}} @[[OUTLT1:.+]] to {{.+}},
+// CK2: ret void
+
+// CK2: define internal void @[[OUTLT1]]({{.+}})
+// discard loop variables not needed here
+// CK2: [[OMP_UB:%.omp.ub]] = alloca i32,
+// CK2: store i32 {{.+}}, i32* [[OMP_UB]],
+// CK2: call void @__kmpc_for_static_init_4({{.+}}, {{.+}}, i32 92, {{.+}}, {{.+}}, i32* [[OMP_UB]],
+// CK2: call void @__kmpc_for_static_fini(
+// CK2: ret void
+
+#endif // CK2
+#endif // #ifndef HEADER