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TheRock/compiler/amd-llvm/mlir/test/Target/LLVMIR/openmp-target-wsloop-private.mlir
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2026-09-02 16:34:47 -07:00

42 lines
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MLIR

// RUN: mlir-translate -mlir-to-llvmir %s | FileCheck %s
// Tests inlining behavior of `omp.private` ops for `omp.wsloop` ops nested in
// `omp.target` ops.
llvm.func @foo(%arg0: !llvm.ptr)
omp.private {type = private} @impure_alloca_privatizer : !llvm.ptr init {
^bb0(%arg0: !llvm.ptr, %arg1: !llvm.ptr):
llvm.call @foo(%arg0) : (!llvm.ptr) -> ()
omp.yield(%arg1 : !llvm.ptr)
}
llvm.func @test_alloca_ip_workaround() {
omp.target {
%65 = llvm.mlir.constant(1 : i32) : i32
%66 = llvm.alloca %65 x !llvm.struct<(ptr, i64, i32, i8, i8, i8, i8, array<1 x array<3 x i64>>)> {alignment = 8 : i64} : (i32) -> !llvm.ptr
%67 = llvm.mlir.constant(0 : index) : i64
%68 = llvm.mlir.constant(10 : i32) : i32
%69 = llvm.mlir.constant(1 : i32) : i32
omp.wsloop private(@impure_alloca_privatizer %66 -> %arg6 : !llvm.ptr) {
omp.loop_nest (%arg8) : i32 = (%69) to (%68) inclusive step (%69) {
omp.yield
}
}
omp.terminator
}
llvm.return
}
// CHECK-LABEL: define {{.*}} @__omp_offloading_{{.*}}_test_alloca_ip_workaround
// CHECK: entry:
// CHECK: %[[PRIV_ALLOC:.*]] = alloca ptr, align 8
// CHECK: omp.target:
// CHECK: %[[ALLOC_REG_ARG:.*]] = alloca { ptr, i64, i32, i8, i8, i8, i8, [1 x [3 x i64]] }, align 8
// Verify that the `init` region of the privatizer is inlined within the `target`
// region body not before that.
// CHECK: call void @foo(ptr %[[ALLOC_REG_ARG]])
// CHECK: br label %omp_loop.preheader