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TheRock/compiler/amd-llvm/mlir/test/Target/LLVMIR/openmp-outline-infinite-loop.mlir
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Flatten subprojects into a single base monorepo
2026-09-02 16:34:47 -07:00

46 lines
2.0 KiB
MLIR

// RUN: mlir-translate -mlir-to-llvmir %s | FileCheck %s
// Test that trying to outline an infinite loop doesn't lead to an assertion
// failure.
llvm.func @parallel_infinite_loop() -> () {
omp.parallel {
llvm.br ^bb1
^bb1:
llvm.br ^bb1
}
llvm.return
}
// CHECK-LABEL: define void @parallel_infinite_loop() {
// CHECK: br label %[[VAL_3:.*]]
// CHECK: omp_parallel:
// CHECK: call void (ptr, i32, ptr, ...) @__kmpc_fork_call(ptr @1, i32 0, ptr @parallel_infinite_loop..omp_par)
// CHECK: unreachable
// CHECK: omp.region.cont: ; No predecessors!
// CHECK: br label %[[VAL_4:.*]]
// CHECK: omp.par.pre_finalize: ; preds = %[[VAL_5:.*]]
// CHECK: br label %[[FINI:.*]]
// CHECK: [[OMP_PAR_EXIT:omp.par.exit]]: ; preds = %[[FINI]]
// CHECK: ret void
// CHECK: [[FINI]]:
// CHECK: br label %[[OMP_PAR_EXIT]]
// CHECK: }
// CHECK-LABEL: define internal void @parallel_infinite_loop..omp_par(
// CHECK-SAME: ptr noalias %[[TID_ADDR:.*]], ptr noalias %[[ZERO_ADDR:.*]])
// CHECK: omp.par.entry:
// CHECK: %[[VAL_7:.*]] = alloca i32, align 4
// CHECK: %[[VAL_8:.*]] = load i32, ptr %[[VAL_9:.*]], align 4
// CHECK: store i32 %[[VAL_8]], ptr %[[VAL_7]], align 4
// CHECK: %[[VAL_10:.*]] = load i32, ptr %[[VAL_7]], align 4
// CHECK: br label %[[VAL_11:.*]]
// CHECK: omp.region.after_alloca: ; preds = %[[VAL_12:.*]]
// CHECK: br label %[[VAL_13:.*]]
// CHECK: omp.par.region: ; preds = %[[VAL_11]]
// CHECK: br label %[[VAL_14:.*]]
// CHECK: omp.par.region1: ; preds = %[[VAL_13]]
// CHECK: br label %[[VAL_15:.*]]
// CHECK: omp.par.region2: ; preds = %[[VAL_15]], %[[VAL_14]]
// CHECK: br label %[[VAL_15]]