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[OpenMP][CIR] Implement 'barrier' lowering #172305

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Merged
erichkeane merged 1 commit into from
Dec 16, 2025
+17 −2
Merged

[OpenMP][CIR] Implement 'barrier' lowering #172305

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5 changes: 3 additions & 2 deletions clang/lib/CIR/CodeGen/CIRGenStmtOpenMP.cpp
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Original file line number Diff line number Diff line change
Expand Up @@ -47,8 +47,9 @@ CIRGenFunction::emitOMPTaskyieldDirective(const OMPTaskyieldDirective &s) {
}
mlir::LogicalResult
CIRGenFunction::emitOMPBarrierDirective(const OMPBarrierDirective &s) {
getCIRGenModule().errorNYI(s.getSourceRange(), "OpenMP OMPBarrierDirective");
return mlir::failure();
mlir::omp::BarrierOp::create(builder, getLoc(s.getBeginLoc()));
assert(s.clauses().empty() && "omp barrier doesn't support clauses");
return mlir::success();
}
mlir::LogicalResult
CIRGenFunction::emitOMPMetaDirective(const OMPMetaDirective &s) {
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14 changes: 14 additions & 0 deletions clang/test/CIR/CodeGenOpenMP/barrier.c
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Original file line number Diff line number Diff line change
@@ -0,0 +1,14 @@
// RUN: %clang_cc1 -fopenmp -emit-cir -fclangir %s -o - | FileCheck %s

void before(void);
void after(void);

void emit_simple_barrier() {
// CHECK: cir.func{{.*}}@emit_simple_barrier
before();
// CHECK-NEXT: cir.call @before
#pragma omp barrier
// CHECK-NEXT: omp.barrier
after();
// CHECK-NEXT: cir.call @after
}