forked from OSchip/llvm-project
257 lines
12 KiB
C++
257 lines
12 KiB
C++
// RUN: %clang_cc1 -verify -fopenmp -x c++ -triple x86_64-unknown-unknown -emit-llvm %s -fexceptions -fcxx-exceptions -o - | FileCheck %s
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// RUN: %clang_cc1 -fopenmp -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 -x c++ -triple x86_64-unknown-unknown -fexceptions -fcxx-exceptions -std=c++11 -include-pch %t -verify %s -emit-llvm -o - | FileCheck %s
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// 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
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// RUN: %clang_cc1 -fopenmp-simd -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-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
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// SIMD-ONLY0-NOT: {{__kmpc|__tgt}}
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// expected-no-diagnostics
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#ifndef HEADER
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#define HEADER
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// CHECK: [[KMP_DIM:%.+]] = type { i64, i64, i64 }
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extern int n;
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int a[10], b[10], c[10], d[10];
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void foo();
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// CHECK-LABEL:bar
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void bar() {
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int i,j;
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// CHECK: call void @__kmpc_doacross_init(
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// CHECK: call void @__kmpc_doacross_fini(
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#pragma omp parallel for ordered(2)
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for (i = 0; i < n; ++i)
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for (j = 0; j < n; ++j)
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a[i] = b[i] + 1;
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// CHECK: call void @__kmpc_doacross_init(
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// CHECK: call void @__kmpc_doacross_fini(
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#pragma omp for collapse(2) ordered(2)
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for (int i = 0; i < n; i++)
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for (int j = 0; j < n; j++)
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;
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}
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// CHECK-LABEL: @main()
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int main() {
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int i;
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// CHECK: [[DIMS:%.+]] = alloca [1 x [[KMP_DIM]]],
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// CHECK: [[GTID:%.+]] = call i32 @__kmpc_global_thread_num([[IDENT:%.+]])
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// CHECK: icmp
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// CHECK-NEXT: br i1 %
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// CHECK: [[CAST:%.+]] = bitcast [1 x [[KMP_DIM]]]* [[DIMS]] to i8*
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// CHECK: call void @llvm.memset.p0i8.i64(i8* align 8 [[CAST]], i8 0, i64 24, i1 false)
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// CHECK: [[DIM:%.+]] = getelementptr inbounds [1 x [[KMP_DIM]]], [1 x [[KMP_DIM]]]* [[DIMS]], i64 0, i64 0
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// CHECK: getelementptr inbounds [[KMP_DIM]], [[KMP_DIM]]* [[DIM]], i32 0, i32 1
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// CHECK: store i64 %{{.+}}, i64* %
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// CHECK: getelementptr inbounds [[KMP_DIM]], [[KMP_DIM]]* [[DIM]], i32 0, i32 2
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// CHECK: store i64 1, i64* %
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// CHECK: [[DIM:%.+]] = getelementptr inbounds [1 x [[KMP_DIM]]], [1 x [[KMP_DIM]]]* [[DIMS]], i64 0, i64 0
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// CHECK: [[CAST:%.+]] = bitcast [[KMP_DIM]]* [[DIM]] to i8*
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// CHECK: call void @__kmpc_doacross_init([[IDENT]], i32 [[GTID]], i32 1, i8* [[CAST]])
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// CHECK: call void @__kmpc_for_static_init_4(%struct.ident_t* @{{.+}}, i32 [[GTID]], i32 33, i32* %{{.+}}, i32* %{{.+}}, i32* %{{.+}}, i32* %{{.+}}, i32 1, i32 1)
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#pragma omp for ordered(1)
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for (int i = 0; i < n; ++i) {
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a[i] = b[i] + 1;
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foo();
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// CHECK: invoke void [[FOO:.+]](
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// CHECK: load i32, i32* [[I:%.+]],
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// CHECK-NEXT: sub nsw i32 %{{.+}}, 0
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// CHECK-NEXT: sdiv i32 %{{.+}}, 1
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// CHECK-NEXT: sext i32 %{{.+}} to i64
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// CHECK-NEXT: [[TMP:%.+]] = getelementptr inbounds [1 x i64], [1 x i64]* [[CNT:%.+]], i64 0, i64 0
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// CHECK-NEXT: store i64 %{{.+}}, i64* [[TMP]],
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// CHECK-NEXT: [[TMP:%.+]] = getelementptr inbounds [1 x i64], [1 x i64]* [[CNT]], i64 0, i64 0
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// CHECK-NEXT: call void @__kmpc_doacross_post([[IDENT]], i32 [[GTID]], i64* [[TMP]])
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#pragma omp ordered depend(source)
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c[i] = c[i] + 1;
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foo();
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// CHECK: invoke void [[FOO]]
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// CHECK: load i32, i32* [[I]],
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// CHECK-NEXT: sub nsw i32 %{{.+}}, 2
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// CHECK-NEXT: sub nsw i32 %{{.+}}, 0
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// CHECK-NEXT: sdiv i32 %{{.+}}, 1
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// CHECK-NEXT: sext i32 %{{.+}} to i64
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// CHECK-NEXT: [[TMP:%.+]] = getelementptr inbounds [1 x i64], [1 x i64]* [[CNT:%.+]], i64 0, i64 0
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// CHECK-NEXT: store i64 %{{.+}}, i64* [[TMP]],
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// CHECK-NEXT: [[TMP:%.+]] = getelementptr inbounds [1 x i64], [1 x i64]* [[CNT]], i64 0, i64 0
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// CHECK-NEXT: call void @__kmpc_doacross_wait([[IDENT]], i32 [[GTID]], i64* [[TMP]])
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#pragma omp ordered depend(sink : i - 2)
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d[i] = a[i - 2];
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}
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// CHECK: landingpad
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// CHECK: call void @__kmpc_doacross_fini([[IDENT]], i32 [[GTID]])
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// CHECK: br label %
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// CHECK: call void @__kmpc_for_static_fini(
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// CHECK: call void @__kmpc_doacross_fini([[IDENT]], i32 [[GTID]])
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// CHECK: ret i32 0
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return 0;
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}
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// CHECK-LABEL: main1
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int main1() {
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// CHECK: [[DIMS:%.+]] = alloca [1 x [[KMP_DIM]]],
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// CHECK: [[GTID:%.+]] = call i32 @__kmpc_global_thread_num([[IDENT:%.+]])
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// CHECK: icmp
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// CHECK-NEXT: br i1 %
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// CHECK: [[CAST:%.+]] = bitcast [1 x [[KMP_DIM]]]* [[DIMS]] to i8*
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// CHECK: call void @llvm.memset.p0i8.i64(i8* align 8 [[CAST]], i8 0, i64 24, i1 false)
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// CHECK: [[DIM:%.+]] = getelementptr inbounds [1 x [[KMP_DIM]]], [1 x [[KMP_DIM]]]* [[DIMS]], i64 0, i64 0
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// CHECK: getelementptr inbounds [[KMP_DIM]], [[KMP_DIM]]* [[DIM]], i32 0, i32 1
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// CHECK: store i64 %{{.+}}, i64* %
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// CHECK: getelementptr inbounds [[KMP_DIM]], [[KMP_DIM]]* [[DIM]], i32 0, i32 2
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// CHECK: store i64 1, i64* %
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// CHECK: [[DIM:%.+]] = getelementptr inbounds [1 x [[KMP_DIM]]], [1 x [[KMP_DIM]]]* [[DIMS]], i64 0, i64 0
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// CHECK: [[CAST:%.+]] = bitcast [[KMP_DIM]]* [[DIM]] to i8*
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// CHECK: call void @__kmpc_doacross_init([[IDENT]], i32 [[GTID]], i32 1, i8* [[CAST]])
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// CHECK: call void @__kmpc_for_static_init_4(%struct.ident_t* @{{.+}}, i32 [[GTID]], i32 33, i32* %{{.+}}, i32* %{{.+}}, i32* %{{.+}}, i32* %{{.+}}, i32 1, i32 1)
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#pragma omp for ordered(1)
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for (int i = n; i > 0; --i) {
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a[i] = b[i] + 1;
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foo();
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// CHECK: invoke void [[FOO:.+]](
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// CHECK: [[UB_VAL:%.+]] = load i32, i32* [[UB:%.+]],
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// CHECK-NEXT: [[I_VAL:%.+]] = load i32, i32* [[I:%.+]],
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// CHECK-NEXT: sub i32 [[UB_VAL]], [[I_VAL]]
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// CHECK-NEXT: udiv i32 %{{.+}}, 1
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// CHECK-NEXT: zext i32 %{{.+}} to i64
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// CHECK-NEXT: [[TMP:%.+]] = getelementptr inbounds [1 x i64], [1 x i64]* [[CNT:%.+]], i64 0, i64 0
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// CHECK-NEXT: store i64 %{{.+}}, i64* [[TMP]],
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// CHECK-NEXT: [[TMP:%.+]] = getelementptr inbounds [1 x i64], [1 x i64]* [[CNT]], i64 0, i64 0
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// CHECK-NEXT: call void @__kmpc_doacross_post([[IDENT]], i32 [[GTID]], i64* [[TMP]])
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#pragma omp ordered depend(source)
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c[i] = c[i] + 1;
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foo();
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// CHECK: invoke void [[FOO]]
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// CHECK: [[UB_VAL:%.+]] = load i32, i32* [[UB]],
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// CHECK-NEXT: [[I_VAL:%.+]] = load i32, i32* [[I]],
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// CHECK-NEXT: [[SUB:%.+]] = sub nsw i32 [[I_VAL]], 2
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// CHECK-NEXT: sub i32 [[UB_VAL]], [[SUB]]
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// CHECK-NEXT: udiv i32 %{{.+}}, 1
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// CHECK-NEXT: zext i32 %{{.+}} to i64
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// CHECK-NEXT: [[TMP:%.+]] = getelementptr inbounds [1 x i64], [1 x i64]* [[CNT:%.+]], i64 0, i64 0
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// CHECK-NEXT: store i64 %{{.+}}, i64* [[TMP]],
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// CHECK-NEXT: [[TMP:%.+]] = getelementptr inbounds [1 x i64], [1 x i64]* [[CNT]], i64 0, i64 0
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// CHECK-NEXT: call void @__kmpc_doacross_wait([[IDENT]], i32 [[GTID]], i64* [[TMP]])
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#pragma omp ordered depend(sink : i - 2)
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d[i] = a[i - 2];
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}
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// CHECK: landingpad
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// CHECK: call void @__kmpc_doacross_fini([[IDENT]], i32 [[GTID]])
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// CHECK: br label %
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// CHECK: call void @__kmpc_for_static_fini(
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// CHECK: call void @__kmpc_doacross_fini([[IDENT]], i32 [[GTID]])
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// CHECK: ret i32 0
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return 0;
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}
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// CHECK: define {{.+}}TestStruct
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template <typename T>
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struct TestStruct {
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static const int M = 10;
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static const int N = 20;
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T i;
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T a[N][M];
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T b[N][M];
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T foo(T, T);
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T bar(T, T, T);
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void baz(T, T);
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TestStruct() {
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// CHECK: [[DIMS:%.+]] = alloca [2 x [[KMP_DIM]]],
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// CHECK: [[GTID:%.+]] = call i32 @__kmpc_global_thread_num([[IDENT:%.+]])
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// CHECK: [[CAST:%.+]] = bitcast [2 x [[KMP_DIM]]]* [[DIMS]] to i8*
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// CHECK: call void @llvm.memset.p0i8.i64(i8* align 8 [[CAST]], i8 0, i64 48, i1 false)
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// CHECK: [[DIM:%.+]] = getelementptr inbounds [2 x [[KMP_DIM]]], [2 x [[KMP_DIM]]]* [[DIMS]], i64 0, i64 0
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// CHECK: getelementptr inbounds [[KMP_DIM]], [[KMP_DIM]]* [[DIM]], i32 0, i32 1
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// CHECK: store i64 10, i64* %
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// CHECK: getelementptr inbounds [[KMP_DIM]], [[KMP_DIM]]* [[DIM]], i32 0, i32 2
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// CHECK: store i64 1, i64* %
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// CHECK: [[DIM:%.+]] = getelementptr inbounds [2 x [[KMP_DIM]]], [2 x [[KMP_DIM]]]* [[DIMS]], i64 0, i64 1
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// CHECK: getelementptr inbounds [[KMP_DIM]], [[KMP_DIM]]* [[DIM]], i32 0, i32 1
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// CHECK: store i64 %{{.+}}, i64* %
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// CHECK: getelementptr inbounds [[KMP_DIM]], [[KMP_DIM]]* [[DIM]], i32 0, i32 2
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// CHECK: store i64 1, i64* %
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// CHECK: [[DIM:%.+]] = getelementptr inbounds [2 x [[KMP_DIM]]], [2 x [[KMP_DIM]]]* [[DIMS]], i64 0, i64 0
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// CHECK: [[CAST:%.+]] = bitcast [[KMP_DIM]]* [[DIM]] to i8*
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// CHECK: call void @__kmpc_doacross_init([[IDENT]], i32 [[GTID]], i32 2, i8* [[CAST]])
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// CHECK: call void @__kmpc_for_static_init_4(%struct.ident_t* @{{.+}}, i32 [[GTID]], i32 33, i32* %{{.+}}, i32* %{{.+}}, i32* %{{.+}}, i32* %{{.+}}, i32 1, i32 1)
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#pragma omp for ordered(2)
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for (T j = 0; j < M; j++)
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for (i = 0; i < n; i += 2) {
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a[i][j] = foo(i, j);
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// CHECK: invoke {{.+TestStruct.+foo}}
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// CHECK: load i32*, i32** %
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// CHECK: load i32, i32* %
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// CHECK: load i32, i32* %
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// CHECK: load i32, i32* [[J:%.+]],
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// CHECK-NEXT: sub nsw i32 %{{.+}}, 0
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// CHECK-NEXT: sdiv i32 %{{.+}}, 1
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// CHECK-NEXT: sext i32 %{{.+}} to i64
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// CHECK-NEXT: [[TMP:%.+]] = getelementptr inbounds [2 x i64], [2 x i64]* [[CNT:%.+]], i64 0, i64 0
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// CHECK-NEXT: store i64 %{{.+}}, i64* [[TMP:%.+]],
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// CHECK-NEXT: [[I:%.+]] = load i32*, i32** [[I_REF:%.+]],
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// CHECK-NEXT: load i32, i32* [[I]],
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// CHECK-NEXT: sub nsw i32 %{{.+}}, 2
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// CHECK-NEXT: sub nsw i32 %{{.+}}, 0
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// CHECK-NEXT: sdiv i32 %{{.+}}, 2
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// CHECK-NEXT: sext i32 %{{.+}} to i64
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// CHECK-NEXT: [[TMP:%.+]] = getelementptr inbounds [2 x i64], [2 x i64]* [[CNT]], i64 0, i64 1
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// CHECK-NEXT: store i64 %{{.+}}, i64* [[TMP]],
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// CHECK-NEXT: [[TMP:%.+]] = getelementptr inbounds [2 x i64], [2 x i64]* [[CNT]], i64 0, i64 0
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// CHECK-NEXT: call void @__kmpc_doacross_wait([[IDENT]], i32 [[GTID]], i64* [[TMP]])
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// CHECK-NEXT: load i32, i32* [[J:%.+]],
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// CHECK-NEXT: sub nsw i32 %{{.+}}, 1
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// CHECK-NEXT: sub nsw i32 %{{.+}}, 0
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// CHECK-NEXT: sdiv i32 %{{.+}}, 1
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// CHECK-NEXT: sext i32 %{{.+}} to i64
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// CHECK-NEXT: [[TMP:%.+]] = getelementptr inbounds [2 x i64], [2 x i64]* [[CNT:%.+]], i64 0, i64 0
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// CHECK-NEXT: store i64 %{{.+}}, i64* [[TMP:%.+]],
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// CHECK-NEXT: [[I:%.+]] = load i32*, i32** [[I_REF]],
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// CHECK-NEXT: load i32, i32* [[I]],
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// CHECK-NEXT: sub nsw i32 %{{.+}}, 0
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// CHECK-NEXT: sdiv i32 %{{.+}}, 2
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// CHECK-NEXT: sext i32 %{{.+}} to i64
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// CHECK-NEXT: [[TMP:%.+]] = getelementptr inbounds [2 x i64], [2 x i64]* [[CNT]], i64 0, i64 1
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// CHECK-NEXT: store i64 %{{.+}}, i64* [[TMP]],
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// CHECK-NEXT: [[TMP:%.+]] = getelementptr inbounds [2 x i64], [2 x i64]* [[CNT]], i64 0, i64 0
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// CHECK-NEXT: call void @__kmpc_doacross_wait([[IDENT]], i32 [[GTID]], i64* [[TMP]])
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#pragma omp ordered depend(sink : j, i - 2) depend(sink : j - 1, i)
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b[i][j] = bar(a[i][j], b[i - 1][j], b[i][j - 1]);
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// CHECK: invoke {{.+TestStruct.+bar}}
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// CHECK: load i32*, i32** %
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// CHECK: load i32, i32* %
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// CHECK: load i32, i32* %
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// CHECK: load i32, i32* [[J]],
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// CHECK-NEXT: sub nsw i32 %{{.+}}, 0
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// CHECK-NEXT: sdiv i32 %{{.+}}, 1
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// CHECK-NEXT: sext i32 %{{.+}} to i64
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// CHECK-NEXT: [[TMP:%.+]] = getelementptr inbounds [2 x i64], [2 x i64]* [[CNT:%.+]], i64 0, i64 0
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// CHECK-NEXT: store i64 %{{.+}}, i64* [[TMP:%.+]],
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// CHECK-NEXT: [[I:%.+]] = load i32*, i32** [[I_REF]],
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// CHECK-NEXT: load i32, i32* [[I]],
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// CHECK-NEXT: sub nsw i32 %{{.+}}, 0
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// CHECK-NEXT: sdiv i32 %{{.+}}, 2
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// CHECK-NEXT: sext i32 %{{.+}} to i64
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// CHECK-NEXT: [[TMP:%.+]] = getelementptr inbounds [2 x i64], [2 x i64]* [[CNT]], i64 0, i64 1
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// CHECK-NEXT: store i64 %{{.+}}, i64* [[TMP]],
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// CHECK-NEXT: [[TMP:%.+]] = getelementptr inbounds [2 x i64], [2 x i64]* [[CNT]], i64 0, i64 0
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// CHECK-NEXT: call void @__kmpc_doacross_post([[IDENT]], i32 [[GTID]], i64* [[TMP]])
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#pragma omp ordered depend(source)
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baz(a[i][j], b[i][j]);
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}
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}
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// CHECK: landingpad
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// CHECK: call void @__kmpc_doacross_fini([[IDENT]], i32 [[GTID]])
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// CHECK: br label %
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// CHECK: call void @__kmpc_for_static_fini(
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// CHECK: call void @__kmpc_doacross_fini([[IDENT]], i32 [[GTID]])
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// CHECK: ret
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};
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TestStruct<int> s;
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#endif // HEADER
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