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// Check no warnings/errors
// RUN: %clang_cc1 -triple x86_64-pc-linux-gnu -std=c++20 -fopenmp -fopenmp-version=60 -fsyntax-only -verify %s
// expected-no-diagnostics
// Check AST and unparsing
// RUN: %clang_cc1 -triple x86_64-pc-linux-gnu -std=c++20 -fopenmp -fopenmp-version=60 -ast-dump %s | FileCheck %s --check-prefix=DUMP
// RUN: %clang_cc1 -triple x86_64-pc-linux-gnu -std=c++20 -fopenmp -fopenmp-version=60 -ast-print %s | FileCheck %s --check-prefix=PRINT
// Check same results after serialization round-trip
// RUN: %clang_cc1 -triple x86_64-pc-linux-gnu -std=c++20 -fopenmp -fopenmp-version=60 -emit-pch -o %t %s
// 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
// 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
#ifndef HEADER
#define HEADER
// placeholder for loop body code.
extern "C" void body(...);
// PRINT-LABEL: void foo1(
// DUMP-LABEL: FunctionDecl {{.*}} foo1
void foo1() {
// PRINT: #pragma omp interchange
// DUMP: OMPInterchangeDirective
#pragma omp interchange
// PRINT: for (int i = 7; i < 17; i += 3)
// DUMP-NEXT: ForStmt
for (int i = 7; i < 17; i += 3)
// PRINT: for (int j = 7; j < 17; j += 3)
// DUMP: ForStmt
for (int j = 7; j < 17; j += 3)
// PRINT: body(i, j);
// DUMP: CallExpr
body(i, j);
}
// PRINT-LABEL: void foo2(
// DUMP-LABEL: FunctionDecl {{.*}} foo2
void foo2(int start1, int start2, int start3, int end1, int end2, int end3) {
// PRINT: #pragma omp interchange permutation(2, 3, 1)
// DUMP: OMPInterchangeDirective
// DUMP-NEXT: OMPPermutationClause
// DUMP-NEXT: ConstantExpr
// DUMP-NEXT: value: Int 2
// DUMP-NEXT: IntegerLiteral {{.*}} 2
// DUMP-NEXT: ConstantExpr
// DUMP-NEXT: value: Int 3
// DUMP-NEXT: IntegerLiteral {{.*}} 3
// DUMP-NEXT: ConstantExpr
// DUMP-NEXT: value: Int 1
// DUMP-NEXT: IntegerLiteral {{.*}} 1
#pragma omp interchange permutation(2,3,1)
// PRINT: for (int i = start1; i < end1; i += 1)
// DUMP-NEXT: ForStmt
for (int i = start1; i < end1; i += 1)
// PRINT: for (int j = start2; j < end2; j += 1)
// DUMP: ForStmt
for (int j = start2; j < end2; j += 1)
// PRINT: for (int k = start3; k < end3; k += 1)
// DUMP: ForStmt
for (int k = start3; k < end3; k += 1)
// PRINT: body(i, j, k);
// DUMP: CallExpr
body(i, j, k);
}
// PRINT-LABEL: void foo3(
// DUMP-LABEL: FunctionDecl {{.*}} foo3
void foo3() {
// PRINT: #pragma omp for collapse(3)
// DUMP: OMPForDirective
// DUMP-NEXT: OMPCollapseClause
// DUMP-NEXT: ConstantExpr
// DUMP-NEXT: value: Int 3
// DUMP-NEXT: IntegerLiteral {{.*}} 3
// DUMP-NEXT: CapturedStmt
// DUMP-NEXT: CapturedDecl
#pragma omp for collapse(3)
// PRINT: #pragma omp interchange
// DUMP: OMPInterchangeDirective
#pragma omp interchange
// PRINT: for (int i = 7; i < 17; i += 1)
// DUMP-NEXT: ForStmt
for (int i = 7; i < 17; i += 1)
// PRINT: for (int j = 7; j < 17; j += 1)
// DUMP: ForStmt
for (int j = 7; j < 17; j += 1)
// PRINT: for (int k = 7; k < 17; k += 1)
// DUMP: ForStmt
for (int k = 7; k < 17; k += 1)
// PRINT: body(i, j, k);
// DUMP: CallExpr
body(i, j, k);
}
// PRINT-LABEL: void foo4(
// DUMP-LABEL: FunctionDecl {{.*}} foo4
void foo4(int start, int end, int step) {
// PRINT: #pragma omp for collapse(3)
// DUMP: OMPForDirective
// DUMP-NEXT: OMPCollapseClause
// DUMP-NEXT: ConstantExpr
// DUMP-NEXT: value: Int 3
// DUMP-NEXT: IntegerLiteral {{.*}} 3
// DUMP-NEXT: CapturedStmt
// DUMP-NEXT: CapturedDecl
#pragma omp for collapse(3)
// PRINT: for (int i = 7; i < 17; i += 1)
// DUMP-NEXT: ForStmt
for (int i = 7; i < 17; i += 1)
// PRINT: #pragma omp interchange permutation(1)
// DUMP: OMPInterchangeDirective
// DUMP-NEXT: OMPPermutationClause
// DUMP-NEXT: ConstantExpr
// DUMP-NEXT: value: Int 1
// DUMP-NEXT: IntegerLiteral {{.*}} 1
#pragma omp interchange permutation(1)
// PRINT: for (int j = 7; j < 17; j += 1)
// DUMP-NEXT: ForStmt
for (int j = 7; j < 17; j += 1)
// PRINT: for (int k = 7; k < 17; k += 1)
// DUMP: ForStmt
for (int k = 7; k < 17; k += 1)
// PRINT: body(i, j, k);
// DUMP: CallExpr
body(i, j, k);
}
// PRINT-LABEL: void foo5(
// DUMP-LABEL: FunctionTemplateDecl {{.*}} foo5
template<typename T, T P>
void foo5(T start, T end) {
// PRINT: #pragma omp for
// DUMP: OMPForDirective
#pragma omp for
// PRINT: #pragma omp interchange permutation(P + 1, 2 - P)
// DUMP: OMPInterchangeDirective
// DUMP-NEXT: OMPPermutationClause
// DUMP-NEXT: BinaryOperator {{.*}} '+'
// DUMP-NEXT: DeclRefExpr {{.*}} 'P' 'T'
// DUMP-NEXT: IntegerLiteral {{.*}} 'int' 1
// DUMP-NEXT: BinaryOperator {{.*}} '-'
// DUMP-NEXT: IntegerLiteral {{.*}} 'int' 2
// DUMP-NEXT: DeclRefExpr {{.*}} 'P' 'T'
#pragma omp interchange permutation(P + 1, 2 - P)
// PRINT-NEXT: for (T i = start; i < end; i += 2)
// DUMP-NEXT: ForStmt
for (T i = start; i < end; i += 2)
// PRINT-NEXT: for (T j = start; j < end; j += 2)
// DUMP: ForStmt
for (T j = start; j < end; j += 2)
// PRINT-NEXT: body(i, j);
// DUMP: CallExpr
body(i,j);
}
// Also test instantiating the template.
void tfoo5() {
foo5<int,0>(0, 42);
foo5<int,1>(0, 42);
}
// PRINT-LABEL: void foo6(
// DUMP-LABEL: FunctionTemplateDecl {{.*}} foo6
template<int Tile>
void foo6() {
// PRINT: #pragma omp interchange
// DUMP: OMPInterchangeDirective
#pragma omp interchange
// PRINT-NEXT: for (int i = 0; i < 11; i += 2)
// DUMP-NEXT: ForStmt
for (int i = 0; i < 11; i += 2)
// PRINT-NEXT: #pragma omp tile sizes(Tile)
// DUMP: OMPTileDirective
#pragma omp tile sizes(Tile)
// PRINT-NEXT: for (int j = 0; j < 13; j += 2)
// DUMP: ForStmt
for (int j = 0; j < 13; j += 2)
// PRINT-NEXT: body(i, j);
// DUMP: CallExpr
body(i, j);
}
// Also test instantiating the template.
void tfoo6() {
foo6<32>();
}
// PRINT-LABEL: void foo7(
// DUMP-LABEL: FunctionDecl {{.*}} foo7
void foo7() {
double arr[128];
// PRINT: #pragma omp interchange
// DUMP: OMPInterchangeDirective
#pragma omp interchange
// PRINT-NEXT: for (double c = 42; auto &&v : arr)
// DUMP-NEXT: CXXForRangeStmt
for (double c = 42; auto &&v : arr)
// PRINT-NEXT: for (int i = 0; i < 42; i += 2)
// DUMP: ForStmt
for (int i = 0; i < 42; i += 2)
// PRINT-NEXT: body(c, v, i);
// DUMP: CallExpr
body(c, v, i);
}
// PRINT-LABEL: void foo8(
// DUMP-LABEL: FunctionDecl {{.*}} foo8
void foo8() {
double arr[128];
// PRINT: #pragma omp interchange
// DUMP: OMPInterchangeDirective
#pragma omp interchange
// PRINT-NEXT: for (int i = 0; i < 42; i += 2)
// DUMP-NEXT: ForStmt
for (int i = 0; i < 42; i += 2)
// PRINT-NEXT: for (double c = 42; auto &&v : arr)
// DUMP: CXXForRangeStmt
for (double c = 42; auto &&v : arr)
// PRINT-NEXT: body(i, c, v);
// DUMP: CallExpr
body(i, c, v);
}
#endif
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