5c93a94f5a
Add the interchange directive which will be introduced in the upcoming OpenMP 6.0 specification. A preview has been published in [Technical Report 12](https://www.openmp.org/wp-content/uploads/openmp-TR12.pdf).
136 lines
4.1 KiB
C++
136 lines
4.1 KiB
C++
// Check no warnings/errors
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// RUN: %clang_cc1 -triple x86_64-pc-linux-gnu -std=c++20 -fopenmp -fopenmp-version=60 -fsyntax-only -verify %s
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// expected-no-diagnostics
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// Check AST and unparsing
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// RUN: %clang_cc1 -triple x86_64-pc-linux-gnu -std=c++20 -fopenmp -fopenmp-version=60 -ast-dump %s | FileCheck %s --check-prefix=DUMP
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// RUN: %clang_cc1 -triple x86_64-pc-linux-gnu -std=c++20 -fopenmp -fopenmp-version=60 -ast-print %s | FileCheck %s --check-prefix=PRINT
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// Check same results after serialization round-trip
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// RUN: %clang_cc1 -triple x86_64-pc-linux-gnu -std=c++20 -fopenmp -fopenmp-version=60 -emit-pch -o %t %s
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// RUN: %clang_cc1 -triple x86_64-pc-linux-gnu -std=c++20 -fopenmp -fopenmp-version=60 -include-pch %t -ast-dump-all %s | FileCheck %s --check-prefix=DUMP
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// RUN: %clang_cc1 -triple x86_64-pc-linux-gnu -std=c++20 -fopenmp -fopenmp-version=60 -include-pch %t -ast-print %s | FileCheck %s --check-prefix=PRINT
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#ifndef HEADER
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#define HEADER
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// placeholder for loop body code.
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extern "C" void body(...);
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// PRINT-LABEL: void foo1(
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// DUMP-LABEL: FunctionDecl {{.*}} foo1
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void foo1() {
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// PRINT: #pragma omp interchange
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// DUMP: OMPInterchangeDirective
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#pragma omp interchange
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// PRINT: for (int i = 7; i < 17; i += 3)
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// DUMP-NEXT: ForStmt
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for (int i = 7; i < 17; i += 3)
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// PRINT: for (int j = 7; j < 17; j += 3)
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// DUMP: ForStmt
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for (int j = 7; j < 17; j += 3)
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// PRINT: body(i, j);
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// DUMP: CallExpr
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body(i, j);
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}
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// PRINT-LABEL: void foo3(
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// DUMP-LABEL: FunctionDecl {{.*}} foo3
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void foo3() {
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// PRINT: #pragma omp for collapse(3)
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// DUMP: OMPForDirective
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// DUMP-NEXT: OMPCollapseClause
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// DUMP-NEXT: ConstantExpr
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// DUMP-NEXT: value: Int 3
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// DUMP-NEXT: IntegerLiteral {{.*}} 3
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// DUMP-NEXT: CapturedStmt
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// DUMP-NEXT: CapturedDecl
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#pragma omp for collapse(3)
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// PRINT: #pragma omp interchange
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// DUMP: OMPInterchangeDirective
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#pragma omp interchange
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// PRINT: for (int i = 7; i < 17; i += 1)
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// DUMP-NEXT: ForStmt
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for (int i = 7; i < 17; i += 1)
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// PRINT: for (int j = 7; j < 17; j += 1)
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// DUMP: ForStmt
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for (int j = 7; j < 17; j += 1)
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// PRINT: for (int k = 7; k < 17; k += 1)
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// DUMP: ForStmt
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for (int k = 7; k < 17; k += 1)
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// PRINT: body(i, j, k);
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// DUMP: CallExpr
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body(i, j, k);
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}
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// PRINT-LABEL: void foo6(
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// DUMP-LABEL: FunctionTemplateDecl {{.*}} foo6
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template<int Tile>
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void foo6() {
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// PRINT: #pragma omp interchange
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// DUMP: OMPInterchangeDirective
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#pragma omp interchange
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// PRINT-NEXT: for (int i = 0; i < 11; i += 2)
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// DUMP-NEXT: ForStmt
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for (int i = 0; i < 11; i += 2)
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// PRINT-NEXT: #pragma omp tile sizes(Tile)
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// DUMP: OMPTileDirective
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#pragma omp tile sizes(Tile)
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// PRINT-NEXT: for (int j = 0; j < 13; j += 2)
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// DUMP: ForStmt
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for (int j = 0; j < 13; j += 2)
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// PRINT-NEXT: body(i, j);
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// DUMP: CallExpr
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body(i, j);
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}
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// Also test instantiating the template.
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void tfoo6() {
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foo6<32>();
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}
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// PRINT-LABEL: void foo7(
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// DUMP-LABEL: FunctionDecl {{.*}} foo7
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void foo7() {
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double arr[128];
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// PRINT: #pragma omp interchange
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// DUMP: OMPInterchangeDirective
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#pragma omp interchange
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// PRINT-NEXT: for (double c = 42; auto &&v : arr)
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// DUMP-NEXT: CXXForRangeStmt
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for (double c = 42; auto &&v : arr)
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// PRINT-NEXT: for (int i = 0; i < 42; i += 2)
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// DUMP: ForStmt
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for (int i = 0; i < 42; i += 2)
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// PRINT-NEXT: body(c, v, i);
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// DUMP: CallExpr
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body(c, v, i);
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}
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// PRINT-LABEL: void foo8(
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// DUMP-LABEL: FunctionDecl {{.*}} foo8
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void foo8() {
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double arr[128];
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// PRINT: #pragma omp interchange
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// DUMP: OMPInterchangeDirective
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#pragma omp interchange
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// PRINT-NEXT: for (int i = 0; i < 42; i += 2)
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// DUMP-NEXT: ForStmt
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for (int i = 0; i < 42; i += 2)
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// PRINT-NEXT: for (double c = 42; auto &&v : arr)
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// DUMP: CXXForRangeStmt
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for (double c = 42; auto &&v : arr)
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// PRINT-NEXT: body(i, c, v);
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// DUMP: CallExpr
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body(i, c, v);
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}
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#endif
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