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Amit Tiwari 1d18740d30 [Clang][OpenMP] Implement Loop splitting #pragma omp split directive (#190397)
Implement Loop-splitting #pragma omp split construct with counts clause.
Posting this PR after the revert of PR
([#183261](https://github.com/llvm/llvm-project/pull/183261))

Changes: 

1. Added `openmp/runtime/test/transform/split/lit.local.cfg`
2. Enforced ICE for `counts` clause items in `SemaOpenMP.cpp` (minor
change)
3. Updated tests `split_messages.cpp`, `split_omp_fill.cpp`,
`split_diag_errors.c`.
4. Removed `nonconstant_count.cpp`
2026-04-13 12:39:40 +05:30

18 lines
477 B
C++

// Split nested inside `omp parallel for` outer loop.
//
// RUN: %clang_cc1 -triple x86_64-pc-linux-gnu -fopenmp -fopenmp-version=60 -O0 -emit-llvm %s -o - | FileCheck %s
extern "C" void body(int, int);
// CHECK: define {{.*}} @composition(
// CHECK: .split.iv
// CHECK: call void @body
extern "C" void composition(void) {
#pragma omp parallel for
for (int i = 0; i < 4; ++i) {
#pragma omp split counts(2, omp_fill)
for (int j = 0; j < 10; ++j)
body(i, j);
}
}