a42380ce83
Add support for ordered directive in the OpenMPIRBuilder. This patch also modidies clang to use the ordered directive when the option -fopenmp-enable-irbuilder is enabled. Also fix one ICE when parsing one canonical for loop with the relational operator LE or GE in openmp region by replacing unary increment operation of the expression of the variable "Expr A" minus the variable "Expr B" (++(Expr A - Expr B)) with binary addition operation of the experssion of the variable "Expr A" minus the variable "Expr B" and the expression with constant value "1" (Expr A - Expr B + "1"). Reviewed By: Meinersbur, kiranchandramohan Differential Revision: https://reviews.llvm.org/D107430
80 lines
4.3 KiB
C
80 lines
4.3 KiB
C
// RUN: %clang_cc1 -verify -fopenmp -triple x86_64-unknown-unknown -emit-llvm %s -o - | FileCheck %s --check-prefixes=CHECK,CHECK-NORMAL
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// RUN: %clang_cc1 -fopenmp -triple x86_64-unknown-unknown -emit-pch -o %t %s
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// RUN: %clang_cc1 -fopenmp -triple x86_64-unknown-unknown -include-pch %t -verify %s -emit-llvm -o - | FileCheck %s --check-prefixes=CHECK,CHECK-NORMAL
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// RUN: %clang_cc1 -verify -fopenmp -fopenmp-enable-irbuilder -triple x86_64-unknown-unknown -emit-llvm %s -o - | FileCheck %s --check-prefixes=CHECK,CHECK-IRBUILDER
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// RUN: %clang_cc1 -fopenmp -fopenmp-enable-irbuilder -triple x86_64-unknown-unknown -emit-pch -o %t %s
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// RUN: %clang_cc1 -fopenmp -fopenmp-enable-irbuilder -triple x86_64-unknown-unknown -include-pch %t -verify %s -emit-llvm -o - | FileCheck %s --check-prefixes=CHECK,CHECK-IRBUILDER
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// RUN: %clang_cc1 -verify -fopenmp-simd -triple x86_64-unknown-unknown -emit-llvm %s -o - | FileCheck --check-prefix SIMD-ONLY0 %s
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// RUN: %clang_cc1 -fopenmp-simd -triple x86_64-unknown-unknown -emit-pch -o %t %s
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// RUN: %clang_cc1 -fopenmp-simd -triple x86_64-unknown-unknown -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: @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-NORMAL: [[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-NORMAL: call void @__kmpc_doacross_init([[IDENT]], i32 [[GTID]], i32 1, i8* [[CAST]])
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// CHECK-NORMAL: 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 (i = 0; i < n; ++i) {
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a[i] = b[i] + 1;
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foo();
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// CHECK: call 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-NORMAL-NEXT: call void @__kmpc_doacross_post([[IDENT]], i32 [[GTID]], i64* [[TMP]])
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// CHECK-IRBUILDER-NEXT: [[GTID1:%.+]] = call i32 @__kmpc_global_thread_num([[IDENT:%.+]])
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// CHECK-IRBUILDER-NEXT: call void @__kmpc_doacross_post([[IDENT]], i32 [[GTID1]], 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: call 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-NORMAL-NEXT: call void @__kmpc_doacross_wait([[IDENT]], i32 [[GTID]], i64* [[TMP]])
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// CHECK-IRBUILDER-NEXT: [[GTID2:%.+]] = call i32 @__kmpc_global_thread_num([[IDENT:%.+]])
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// CHECK-IRBUILDER-NEXT: call void @__kmpc_doacross_wait([[IDENT]], i32 [[GTID2]], 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: call void @__kmpc_for_static_fini(
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// CHECK-NORMAL: 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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#endif // HEADER
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