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// Test code-gen for `omp.parallel` ops with delayed privatizers (i.e. using
// `omp.private` ops).
// RUN: mlir-translate -mlir-to-llvmir -split-input-file %s | FileCheck %s
llvm.func @parallel_op_1_private(%arg0: !llvm.ptr) {
omp.parallel private(@x.privatizer %arg0 -> %arg2 : !llvm.ptr) {
%0 = llvm.load %arg2 : !llvm.ptr -> f32
omp.terminator
}
llvm.return
}
// CHECK-LABEL: @parallel_op_1_private
// CHECK-SAME: (ptr %[[ORIG:.*]]) {
// CHECK: %[[OMP_PAR_ARG:.*]] = alloca { ptr }, align 8
// CHECK: %[[ORIG_GEP:.*]] = getelementptr { ptr }, ptr %[[OMP_PAR_ARG]], i32 0, i32 0
// CHECK: store ptr %[[ORIG]], ptr %[[ORIG_GEP]], align 8
// CHECK: call void (ptr, i32, ptr, ...) @__kmpc_fork_call(ptr @1, i32 1, ptr @parallel_op_1_private..omp_par, ptr %[[OMP_PAR_ARG]])
// CHECK: }
// CHECK-LABEL: void @parallel_op_1_private..omp_par
// CHECK-SAME: (ptr noalias %{{.*}}, ptr noalias %{{.*}}, ptr %[[ARG:.*]])
// CHECK: %[[ORIG_PTR_PTR:.*]] = getelementptr { ptr }, ptr %[[ARG]], i32 0, i32 0
// CHECK: %[[ORIG_PTR:.*]] = load ptr, ptr %[[ORIG_PTR_PTR]], align 8
// Check that the privatizer alloc region was inlined properly.
// CHECK: %[[PRIV_ALLOC:.*]] = alloca float, align 4
// CHECK: %[[ORIG_VAL:.*]] = load float, ptr %[[ORIG_PTR]], align 4
// CHECK: store float %[[ORIG_VAL]], ptr %[[PRIV_ALLOC]], align 4
// CHECK-NEXT: br
// Check that the privatized value is used (rather than the original one).
// CHECK: load float, ptr %[[PRIV_ALLOC]], align 4
// CHECK: }
llvm.func @parallel_op_2_privates(%arg0: !llvm.ptr, %arg1: !llvm.ptr) {
omp.parallel private(@x.privatizer %arg0 -> %arg2 : !llvm.ptr, @y.privatizer %arg1 -> %arg3 : !llvm.ptr) {
%0 = llvm.load %arg2 : !llvm.ptr -> f32
%1 = llvm.load %arg3 : !llvm.ptr -> i32
omp.terminator
}
llvm.return
}
// CHECK-LABEL: @parallel_op_2_privates
// CHECK-SAME: (ptr %[[ORIG1:.*]], ptr %[[ORIG2:.*]]) {
// CHECK: %[[OMP_PAR_ARG:.*]] = alloca { ptr, ptr }, align 8
// CHECK: %[[ORIG1_GEP:.*]] = getelementptr { ptr, ptr }, ptr %[[OMP_PAR_ARG]], i32 0, i32 0
// CHECK: store ptr %[[ORIG1]], ptr %[[ORIG1_GEP]], align 8
// CHECK: call void (ptr, i32, ptr, ...) @__kmpc_fork_call(ptr @1, i32 1, ptr @parallel_op_2_privates..omp_par, ptr %[[OMP_PAR_ARG]])
// CHECK: }
// CHECK-LABEL: void @parallel_op_2_privates..omp_par
// CHECK-SAME: (ptr noalias %{{.*}}, ptr noalias %{{.*}}, ptr %[[ARG:.*]])
// CHECK: %[[ORIG1_PTR_PTR:.*]] = getelementptr { ptr, ptr }, ptr %[[ARG]], i32 0, i32 0
// CHECK: %[[ORIG1_PTR:.*]] = load ptr, ptr %[[ORIG1_PTR_PTR]], align 8
// CHECK: %[[ORIG2_PTR_PTR:.*]] = getelementptr { ptr, ptr }, ptr %[[ARG]], i32 0, i32 1
// CHECK: %[[ORIG2_PTR:.*]] = load ptr, ptr %[[ORIG2_PTR_PTR]], align 8
// Check that the privatizer alloc region was inlined properly.
// CHECK: %[[PRIV1_ALLOC:.*]] = alloca float, align 4
// CHECK: %[[ORIG1_VAL:.*]] = load float, ptr %[[ORIG1_PTR]], align 4
// CHECK: store float %[[ORIG1_VAL]], ptr %[[PRIV1_ALLOC]], align 4
// CHECK: %[[PRIV2_ALLOC:.*]] = alloca i32, align 4
// CHECK: %[[ORIG2_VAL:.*]] = load i32, ptr %[[ORIG2_PTR]], align 4
// CHECK: store i32 %[[ORIG2_VAL]], ptr %[[PRIV2_ALLOC]], align 4
// CHECK-NEXT: br
// Check that the privatized value is used (rather than the original one).
// CHECK: load float, ptr %[[PRIV1_ALLOC]], align 4
// CHECK: load i32, ptr %[[PRIV2_ALLOC]], align 4
// CHECK: }
omp.private {type = private} @x.privatizer : !llvm.ptr alloc {
^bb0(%arg0: !llvm.ptr):
%c1 = llvm.mlir.constant(1 : i32) : i32
%0 = llvm.alloca %c1 x f32 : (i32) -> !llvm.ptr
%1 = llvm.load %arg0 : !llvm.ptr -> f32
llvm.store %1, %0 : f32, !llvm.ptr
omp.yield(%0 : !llvm.ptr)
}
omp.private {type = private} @y.privatizer : !llvm.ptr alloc {
^bb0(%arg0: !llvm.ptr):
%c1 = llvm.mlir.constant(1 : i32) : i32
%0 = llvm.alloca %c1 x i32 : (i32) -> !llvm.ptr
%1 = llvm.load %arg0 : !llvm.ptr -> i32
llvm.store %1, %0 : i32, !llvm.ptr
omp.yield(%0 : !llvm.ptr)
}
// -----
llvm.func @parallel_op_private_multi_block(%arg0: !llvm.ptr) {
omp.parallel private(@multi_block.privatizer %arg0 -> %arg2 : !llvm.ptr) {
%0 = llvm.load %arg2 : !llvm.ptr -> f32
omp.terminator
}
llvm.return
}
// CHECK-LABEL: define internal void @parallel_op_private_multi_block..omp_par
// CHECK: omp.par.entry:
// CHECK: %[[ORIG_PTR_PTR:.*]] = getelementptr { ptr }, ptr %{{.*}}, i32 0, i32 0
// CHECK: %[[ORIG_PTR:.*]] = load ptr, ptr %[[ORIG_PTR_PTR]], align 8
// CHECK: br label %[[PRIV_BB1:.*]]
// Check contents of the first block in the `alloc` region.
// CHECK: [[PRIV_BB1]]:
// CHECK-NEXT: %[[PRIV_ALLOC:.*]] = alloca float, align 4
// CHECK-NEXT: br label %[[PRIV_BB2:.*]]
// Check contents of the second block in the `alloc` region.
// CHECK: [[PRIV_BB2]]:
// CHECK-NEXT: %[[ORIG_PTR2:.*]] = phi ptr [ %[[ORIG_PTR]], %[[PRIV_BB1]] ]
// CHECK-NEXT: %[[PRIV_ALLOC2:.*]] = phi ptr [ %[[PRIV_ALLOC]], %[[PRIV_BB1]] ]
// CHECK-NEXT: %[[ORIG_VAL:.*]] = load float, ptr %[[ORIG_PTR2]], align 4
// CHECK-NEXT: store float %[[ORIG_VAL]], ptr %[[PRIV_ALLOC2]], align 4
// CHECK-NEXT: br label %[[PRIV_CONT:.*]]
// Check that the privatizer's continuation block yileds the private clone's
// address.
// CHECK: [[PRIV_CONT]]:
// CHECK-NEXT: %[[PRIV_ALLOC3:.*]] = phi ptr [ %[[PRIV_ALLOC2]], %[[PRIV_BB2]] ]
// CHECK-NEXT: br label %[[PAR_REG:.*]]
// Check that the body of the parallel region loads from the private clone.
// CHECK: [[PAR_REG]]:
// CHECK: %{{.*}} = load float, ptr %[[PRIV_ALLOC3]], align 4
omp.private {type = private} @multi_block.privatizer : !llvm.ptr alloc {
^bb0(%arg0: !llvm.ptr):
%c1 = llvm.mlir.constant(1 : i32) : i32
%0 = llvm.alloca %c1 x f32 : (i32) -> !llvm.ptr
llvm.br ^bb1(%arg0, %0 : !llvm.ptr, !llvm.ptr)
^bb1(%arg1: !llvm.ptr, %arg2: !llvm.ptr):
%1 = llvm.load %arg1 : !llvm.ptr -> f32
llvm.store %1, %arg2 : f32, !llvm.ptr
omp.yield(%arg2 : !llvm.ptr)
}
// Tests fix for Fujitsu test suite test: 0007_0019.f90: the
// `llvm.mlir.addressof` op needs access to the parent module when lowering
// from the LLVM dialect to LLVM IR. If such op is used inside an `omp.private`
// op instance that was not created/cloned inside the module, we would get a
// seg fault due to trying to access a null pointer.
// CHECK-LABEL: define internal void @lower_region_with_addressof..omp_par
// CHECK: omp.par.region:
// CHECK: br label %[[PAR_REG_BEG:.*]]
// CHECK: [[PAR_REG_BEG]]:
// CHECK: %[[PRIVATIZER_GEP:.*]] = getelementptr double, ptr @_QQfoo, i64 111
// CHECK: call void @bar(ptr %[[PRIVATIZER_GEP]])
// CHECK: call void @bar(ptr getelementptr (double, ptr @_QQfoo, i64 222))
llvm.func @lower_region_with_addressof() {
%0 = llvm.mlir.constant(1 : i64) : i64
%1 = llvm.alloca %0 x f64 {bindc_name = "u1"} : (i64) -> !llvm.ptr
omp.parallel private(@_QFlower_region_with_addressof_privatizer %1 -> %arg0 : !llvm.ptr) {
%c0 = llvm.mlir.constant(111 : i64) : i64
%2 = llvm.getelementptr %arg0[%c0] : (!llvm.ptr, i64) -> !llvm.ptr, f64
llvm.call @bar(%2) : (!llvm.ptr) -> ()
%c1 = llvm.mlir.constant(222 : i64) : i64
%3 = llvm.mlir.addressof @_QQfoo: !llvm.ptr
%4 = llvm.getelementptr %3[%c1] : (!llvm.ptr, i64) -> !llvm.ptr, f64
llvm.call @bar(%4) : (!llvm.ptr) -> ()
omp.terminator
}
llvm.return
}
omp.private {type = private} @_QFlower_region_with_addressof_privatizer : !llvm.ptr alloc {
^bb0(%arg0: !llvm.ptr):
%0 = llvm.mlir.addressof @_QQfoo: !llvm.ptr
omp.yield(%0 : !llvm.ptr)
}
llvm.mlir.global linkonce constant @_QQfoo() {addr_space = 0 : i32} : !llvm.array<3 x i8> {
%0 = llvm.mlir.constant("foo") : !llvm.array<3 x i8>
llvm.return %0 : !llvm.array<3 x i8>
}
llvm.func @bar(!llvm.ptr)
// Tests fix for Fujitsu test suite test: 0275_0032.f90. The MLIR to LLVM
// translation logic assumed that reduction arguments to an `omp.parallel`
// op are always the last set of arguments to the op. However, this is a
// wrong assumption since private args come afterward. This tests the fix
// that we access the different sets of args properly.
// CHECK-LABEL: define internal void @private_and_reduction_..omp_par
// CHECK-DAG: %[[PRV_ALLOC:.*]] = alloca float, i64 1, align 4
// CHECK-DAG: %[[RED_ALLOC:.*]] = alloca { ptr, i64, i32, i8, i8, i8, i8, [1 x [3 x i64]] }, i64 1, align 8
// CHECK: omp.par.region:
// CHECK: br label %[[PAR_REG_BEG:.*]]
// CHECK: [[PAR_REG_BEG]]:
// CHECK-NEXT: %{{.*}} = load { ptr, i64, i32, i8, i8, i8, i8, [1 x [3 x i64]] }, ptr %[[RED_ALLOC]], align 8
// CHECK-NEXT: store float 8.000000e+00, ptr %[[PRV_ALLOC]], align 4
llvm.func @private_and_reduction_() attributes {fir.internal_name = "_QPprivate_and_reduction", frame_pointer = #llvm.framePointerKind<all>, target_cpu = "x86-64"} {
%0 = llvm.mlir.constant(1 : i64) : i64
%1 = llvm.alloca %0 x !llvm.struct<(ptr, i64, i32, i8, i8, i8, i8, array<1 x array<3 x i64>>)> : (i64) -> !llvm.ptr
%2 = llvm.alloca %0 x f32 {bindc_name = "to_priv"} : (i64) -> !llvm.ptr
omp.parallel reduction(byref @reducer.part %1 -> %arg0 : !llvm.ptr) private(@privatizer.part %2 -> %arg1 : !llvm.ptr) {
%3 = llvm.load %arg0 : !llvm.ptr -> !llvm.struct<(ptr, i64, i32, i8, i8, i8, i8, array<1 x array<3 x i64>>)>
%4 = llvm.mlir.constant(8.000000e+00 : f32) : f32
llvm.store %4, %arg1 : f32, !llvm.ptr
omp.terminator
}
llvm.return
}
omp.private {type = private} @privatizer.part : !llvm.ptr alloc {
^bb0(%arg0: !llvm.ptr):
%0 = llvm.mlir.constant(1 : i64) : i64
%1 = llvm.alloca %0 x f32 {bindc_name = "to_priv", pinned} : (i64) -> !llvm.ptr
omp.yield(%1 : !llvm.ptr)
}
omp.declare_reduction @reducer.part : !llvm.ptr init {
^bb0(%arg0: !llvm.ptr):
%0 = llvm.mlir.constant(1 : i64) : i64
%1 = llvm.alloca %0 x !llvm.struct<(ptr, i64, i32, i8, i8, i8, i8, array<1 x array<3 x i64>>)> : (i64) -> !llvm.ptr
omp.yield(%1 : !llvm.ptr)
} combiner {
^bb0(%arg0: !llvm.ptr, %arg1: !llvm.ptr):
omp.yield(%arg0 : !llvm.ptr)
} cleanup {
^bb0(%arg0: !llvm.ptr):
omp.yield
}
|
