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llvm-project/clang/test/OpenMP/metadirective_ast_print.c
Urvi Rav 35e743d4bf
default clause replaced by otherwise clause for metadirective in OpenMP 5.2 (#128640) 
This PR replaces the `default` clause with the `otherwise` clause for
the `metadirective` in OpenMP. The `otherwise` clause serves as a
fallback condition when no directive from the when clauses is selected.
In the `when` clause, context selectors define traits evaluated to
determine the directive to be applied.
The previous merge was reverted due to a failing test case, which has
now been resolved.

---------

Co-authored-by: urvi-rav <urvi.rav@hpe.com>
2025-05-02 10:29:57 +05:30

278 lines
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// RUN: %clang_cc1 -verify -fopenmp -triple x86_64-unknown-linux-gnu -x c -std=c99 -ast-print %s -o - | FileCheck %s --check-prefix=DEFAULT
// RUN: %clang_cc1 -verify -fopenmp-simd -triple x86_64-unknown-linux-gnu -x c -std=c99 -ast-print %s -o - | FileCheck %s --check-prefix=DEFAULT
// RUN: %clang_cc1 -verify -fopenmp -triple amdgcn-amd-amdhsa -x c -std=c99 -ast-print %s -o - | FileCheck %s --check-prefix=DEFAULT-AMDGCN
// RUN: %clang_cc1 -verify -fopenmp-simd -triple amdgcn-amd-amdhsa -x c -std=c99 -ast-print %s -o - | FileCheck %s --check-prefix=DEFAULT-AMDGCN
// RUN: %clang_cc1 -verify -fopenmp -fopenmp-version=52 -DOMP52 -triple x86_64-unknown-linux-gnu -x c -std=c99 -ast-print %s -o - | FileCheck %s --check-prefix=OMP52
// RUN: %clang_cc1 -verify -fopenmp-simd -fopenmp-version=52 -DOMP52 -triple x86_64-unknown-linux-gnu -x c -std=c99 -ast-print %s -o - | FileCheck %s --check-prefix=OMP52
// RUN: %clang_cc1 -verify -fopenmp -fopenmp-version=52 -DOMP52 -triple amdgcn-amd-amdhsa -x c -std=c99 -ast-print %s -o - | FileCheck %s --check-prefix=OMP52-AMDGCN
// RUN: %clang_cc1 -verify -fopenmp-simd -fopenmp-version=52 -DOMP52 -triple amdgcn-amd-amdhsa -x c -std=c99 -ast-print %s -o - | FileCheck %s --check-prefix=OMP52-AMDGCN
// expected-no-diagnostics
#ifndef HEADER
#define HEADER
#ifdef OMP52
void bar(void);
#define N 10
void foo1(void) {
#pragma omp metadirective when(device = {kind(cpu)} \
: parallel) otherwise()
bar();
#pragma omp metadirective when(implementation = {vendor(score(0) \
: llvm)}, \
device = {kind(cpu)} \
: parallel) otherwise(target teams)
bar();
#pragma omp metadirective when(device = {kind(gpu)} \
: target teams) when(implementation = {vendor(llvm)} \
: parallel) otherwise()
bar();
#pragma omp metadirective otherwise(target) when(implementation = {vendor(score(5) \
: llvm)}, \
device = {kind(cpu, host)} \
: parallel)
bar();
#pragma omp metadirective when(user = {condition(N > 10)} \
: target) when(user = {condition(N == 10)} \
: parallel)
bar();
#pragma omp metadirective when(device = {kind(host)} \
: parallel for)
for (int i = 0; i < 100; i++)
;
#pragma omp metadirective when(implementation = {extension(match_all)} \
: parallel) otherwise(parallel for)
for (int i = 0; i < 100; i++)
;
#pragma omp metadirective when(implementation = {extension(match_any)} \
: parallel) otherwise(parallel for)
for (int i = 0; i < 100; i++)
;
#pragma omp metadirective when(implementation = {extension(match_none)} \
: parallel) otherwise(parallel for)
for (int i = 0; i < 100; i++)
;
// Test metadirective with nested OpenMP directive.
int array[16];
#pragma omp metadirective when(user = {condition(1)} \
: parallel for)
for (int i = 0; i < 16; i++) {
#pragma omp simd
for (int j = 0; j < 16; j++)
array[i] = i;
}
#pragma omp metadirective when(device={arch("amdgcn")}: \
teams distribute parallel for)\
otherwise(parallel for)
for (int i = 0; i < 100; i++)
;
#pragma omp metadirective when(implementation = {extension(match_all)} \
: nothing) otherwise(parallel for)
for (int i = 0; i < 16; i++)
;
#pragma omp metadirective when(implementation = {extension(match_any)} \
: parallel) otherwise(nothing)
for (int i = 0; i < 16; i++)
;
#pragma omp metadirective when(user = {condition(0)} \
: parallel for)
for (int i=0; i<10; i++)
;
#pragma omp metadirective when(user = {condition(0)} \
: parallel for) when(implementation = {extension(match_none)} \
: parallel) otherwise(parallel for)
for (int i=0; i<10; i++)
;
#pragma omp metadirective when(user = {condition(1)} \
: parallel for)
for (int i=0; i<10; i++)
;
#pragma omp metadirective when(user = {condition(1)} \
: parallel for) when(implementation = {extension(match_none)} \
: parallel) otherwise(parallel for)
for (int i=0; i<10; i++)
;
}
// OMP52: void bar(void);
// OMP52: void foo1(void)
// OMP52-NEXT: #pragma omp parallel
// OMP52-NEXT: bar()
// OMP52-NEXT: #pragma omp parallel
// OMP52-NEXT: bar()
// OMP52-NEXT: #pragma omp parallel
// OMP52-NEXT: bar()
// OMP52-NEXT: #pragma omp parallel
// OMP52-NEXT: bar()
// OMP52-NEXT: #pragma omp parallel
// OMP52-NEXT: bar()
// OMP52-NEXT: #pragma omp parallel for
// OMP52-NEXT: for (int i = 0; i < 100; i++)
// OMP52: #pragma omp parallel
// OMP52-NEXT: for (int i = 0; i < 100; i++)
// OMP52: #pragma omp parallel for
// OMP52-NEXT: for (int i = 0; i < 100; i++)
// OMP52: #pragma omp parallel
// OMP52-NEXT: for (int i = 0; i < 100; i++)
// OMP52: #pragma omp parallel for
// OMP52-NEXT: for (int i = 0; i < 16; i++) {
// OMP52-NEXT: #pragma omp simd
// OMP52-NEXT: for (int j = 0; j < 16; j++)
// OMP52-AMDGCN: #pragma omp teams distribute parallel for
// OMP52-AMDGCN-NEXT: for (int i = 0; i < 100; i++)
// OMP52: for (int i = 0; i < 16; i++)
// OMP52: for (int i = 0; i < 16; i++)
#else
void bar(void);
#define N 10
void foo2(void) {
#pragma omp metadirective when(device = {kind(cpu)} \
: parallel) default()
bar();
#pragma omp metadirective when(implementation = {vendor(score(0) \
: llvm)}, \
device = {kind(cpu)} \
: parallel) default(target teams)
bar();
#pragma omp metadirective when(device = {kind(gpu)} \
: target teams) when(implementation = {vendor(llvm)} \
: parallel) default()
bar();
#pragma omp metadirective default(target) when(implementation = {vendor(score(5) \
: llvm)}, \
device = {kind(cpu, host)} \
: parallel)
bar();
#pragma omp metadirective when(user = {condition(N > 10)} \
: target) when(user = {condition(N == 10)} \
: parallel)
bar();
#pragma omp metadirective when(device = {kind(host)} \
: parallel for)
for (int i = 0; i < 100; i++)
;
#pragma omp metadirective when(implementation = {extension(match_all)} \
: parallel) default(parallel for)
for (int i = 0; i < 100; i++)
;
#pragma omp metadirective when(implementation = {extension(match_any)} \
: parallel) default(parallel for)
for (int i = 0; i < 100; i++)
;
#pragma omp metadirective when(implementation = {extension(match_none)} \
: parallel) default(parallel for)
for (int i = 0; i < 100; i++)
;
// Test metadirective with nested OpenMP directive.
int array[16];
#pragma omp metadirective when(user = {condition(1)} \
: parallel for)
for (int i = 0; i < 16; i++) {
#pragma omp simd
for (int j = 0; j < 16; j++)
array[i] = i;
}
#pragma omp metadirective when(device={arch("amdgcn")}: \
teams distribute parallel for)\
default(parallel for)
for (int i = 0; i < 100; i++)
;
#pragma omp metadirective when(implementation = {extension(match_all)} \
: nothing) default(parallel for)
for (int i = 0; i < 16; i++)
;
#pragma omp metadirective when(implementation = {extension(match_any)} \
: parallel) default(nothing)
for (int i = 0; i < 16; i++)
;
#pragma omp metadirective when(user = {condition(0)} \
: parallel for)
for (int i=0; i<10; i++)
;
#pragma omp metadirective when(user = {condition(0)} \
: parallel for) when(implementation = {extension(match_none)} \
: parallel) default(parallel for)
for (int i=0; i<10; i++)
;
#pragma omp metadirective when(user = {condition(1)} \
: parallel for)
for (int i=0; i<10; i++)
;
#pragma omp metadirective when(user = {condition(1)} \
: parallel for) when(implementation = {extension(match_none)} \
: parallel) default(parallel for)
for (int i=0; i<10; i++)
;
#if _OPENMP >= 202111
#pragma omp metadirective when(user = {condition(0)} \
: parallel for) otherwise()
for (int i=0; i<10; i++)
;
#pragma omp metadirective when(user = {condition(1)} \
: parallel for) otherwise()
for (int i=0; i<10; i++)
;
#endif
}
// DEFAULT: void bar(void);
// DEFAULT: void foo2(void)
// DEFAULT-NEXT: #pragma omp parallel
// DEFAULT-NEXT: bar()
// DEFAULT-NEXT: #pragma omp parallel
// DEFAULT-NEXT: bar()
// DEFAULT-NEXT: #pragma omp parallel
// DEFAULT-NEXT: bar()
// DEFAULT-NEXT: #pragma omp parallel
// DEFAULT-NEXT: bar()
// DEFAULT-NEXT: #pragma omp parallel
// DEFAULT-NEXT: bar()
// DEFAULT-NEXT: #pragma omp parallel for
// DEFAULT-NEXT: for (int i = 0; i < 100; i++)
// DEFAULT: #pragma omp parallel
// DEFAULT-NEXT: for (int i = 0; i < 100; i++)
// DEFAULT: #pragma omp parallel for
// DEFAULT-NEXT: for (int i = 0; i < 100; i++)
// DEFAULT: #pragma omp parallel
// DEFAULT-NEXT: for (int i = 0; i < 100; i++)
// DEFAULT: #pragma omp parallel for
// DEFAULT-NEXT: for (int i = 0; i < 16; i++) {
// DEFAULT-NEXT: #pragma omp simd
// DEFAULT-NEXT: for (int j = 0; j < 16; j++)
// DEFAULT-AMDGCN: #pragma omp teams distribute parallel for
// DEFAULT-AMDGCN-NEXT: for (int i = 0; i < 100; i++)
// DEFAULT: for (int i = 0; i < 16; i++)
// DEFAULT: for (int i = 0; i < 16; i++)
#endif
#endif
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