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[flang][cuda] Support derived type in cuf.alloc #115550

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Merged
merged 1 commit into from
Nov 8, 2024
Merged

[flang][cuda] Support derived type in cuf.alloc #115550

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7 changes: 7 additions & 0 deletions flang/lib/Optimizer/Transforms/CUFOpConversion.cpp
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Original file line number Diff line number Diff line change
Expand Up @@ -337,6 +337,13 @@ struct CUFAllocOpConversion : public mlir::OpRewritePattern<cuf::AllocOp> {
seqTy.getConstantArraySize());
}
bytes = rewriter.create<mlir::arith::MulIOp>(loc, nbElem, width);
} else if (fir::isa_derived(op.getInType())) {
mlir::Type structTy = typeConverter->convertType(op.getInType());
std::size_t structSize = dl->getTypeSizeInBits(structTy) / 8;
bytes = builder.createIntegerConstant(loc, builder.getIndexType(),
structSize);
} else {
mlir::emitError(loc, "unsupported type in cuf.alloc\n");
}
mlir::func::FuncOp func =
fir::runtime::getRuntimeFunc<mkRTKey(CUFMemAlloc)>(loc, builder);
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12 changes: 12 additions & 0 deletions flang/test/Fir/CUDA/cuda-alloc-free.fir
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Expand Up @@ -61,4 +61,16 @@ func.func @_QPsub3(%arg0: !fir.ref<i32> {fir.bindc_name = "n"}, %arg1: !fir.ref<
// CHECK: %{{.*}} = fir.call @_FortranACUFMemAlloc(%[[CONV_BYTES]], %c0{{.*}}, %{{.*}}, %{{.*}}) : (i64, i32, !fir.ref<i8>, i32) -> !fir.llvm_ptr<i8>
// CHECK: fir.call @_FortranACUFMemFree

func.func @_QPtest_type() {
%0 = cuf.alloc !fir.type<_QMbarTcmplx{id:i32,c:complex<f32>}> {bindc_name = "a", data_attr = #cuf.cuda<device>, uniq_name = "_QFtest_typeEa"} -> !fir.ref<!fir.type<_QMbarTcmplx{id:i32,c:complex<f32>}>>
%1 = fir.declare %0 {data_attr = #cuf.cuda<device>, uniq_name = "_QFtest_typeEa"} : (!fir.ref<!fir.type<_QMbarTcmplx{id:i32,c:complex<f32>}>>) -> !fir.ref<!fir.type<_QMbarTcmplx{id:i32,c:complex<f32>}>>
cuf.free %1 : !fir.ref<!fir.type<_QMbarTcmplx{id:i32,c:complex<f32>}>> {data_attr = #cuf.cuda<device>}
return
}

// CHECK-LABEL: func.func @_QPtest_type()
// CHECK: %[[BYTES:.*]] = arith.constant 12 : index
// CHECK: %[[CONV_BYTES:.*]] = fir.convert %[[BYTES]] : (index) -> i64
// CHECK: fir.call @_FortranACUFMemAlloc(%[[CONV_BYTES]], %c0{{.*}}, %{{.*}}, %{{.*}}) : (i64, i32, !fir.ref<i8>, i32) -> !fir.llvm_ptr<i8>

} // end module
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