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[Flang][AArch64] Add support for complex16 params/returns #84217

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Merged
merged 1 commit into from
Mar 8, 2024
Merged

[Flang][AArch64] Add support for complex16 params/returns #84217

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6 changes: 4 additions & 2 deletions flang/lib/Optimizer/CodeGen/Target.cpp
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Original file line number Diff line number Diff line change
Expand Up @@ -737,7 +737,8 @@ struct TargetAArch64 : public GenericTarget<TargetAArch64> {
CodeGenSpecifics::Marshalling marshal;
const auto *sem = &floatToSemantics(kindMap, eleTy);
if (sem == &llvm::APFloat::IEEEsingle() ||
sem == &llvm::APFloat::IEEEdouble()) {
sem == &llvm::APFloat::IEEEdouble() ||
sem == &llvm::APFloat::IEEEquad()) {
// [2 x t] array of 2 eleTy
marshal.emplace_back(fir::SequenceType::get({2}, eleTy), AT{});
} else {
Expand All @@ -751,7 +752,8 @@ struct TargetAArch64 : public GenericTarget<TargetAArch64> {
CodeGenSpecifics::Marshalling marshal;
const auto *sem = &floatToSemantics(kindMap, eleTy);
if (sem == &llvm::APFloat::IEEEsingle() ||
sem == &llvm::APFloat::IEEEdouble()) {
sem == &llvm::APFloat::IEEEdouble() ||
sem == &llvm::APFloat::IEEEquad()) {
// Use a type that will be translated into LLVM as:
// { t, t } struct of 2 eleTy
marshal.emplace_back(mlir::TupleType::get(eleTy.getContext(),
Expand Down
29 changes: 29 additions & 0 deletions flang/test/Fir/target-complex16.f90
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@@ -0,0 +1,29 @@
// RUN: tco --target=aarch64-unknown-linux-gnu %s | FileCheck %s --check-prefix=AARCH64

// AARCH64-LABEL: define { fp128, fp128 } @gen16()
func.func @gen16() -> !fir.complex<16> {
// AARCH64: %[[VAL1:.*]] = alloca { fp128, fp128 }, i64 1, align 16
%1 = fir.undefined !fir.complex<16>
%2 = arith.constant 1.0 : f128
%3 = arith.constant -4.0 : f128
%c0 = arith.constant 0 : i32
// AARCH64: store { fp128, fp128 } { fp128 0xL0000000000000000C001000000000000, fp128 0xL00000000000000003FFF000000000000 }, ptr %[[VAL1]], align 16
%4 = fir.insert_value %1, %3, [0 : index] : (!fir.complex<16>, f128) -> !fir.complex<16>
%c1 = arith.constant 1 : i32
%5 = fir.insert_value %4, %2, [1 : index] : (!fir.complex<16>, f128) -> !fir.complex<16>
// AARCH64: %[[VAL2:.*]] = load { fp128, fp128 }, ptr %[[VAL1]], align 16
// AARCH64: ret { fp128, fp128 } %[[VAL2]]
return %5 : !fir.complex<16>
}

// AARCH64: declare void @sink16([2 x fp128])
func.func private @sink16(!fir.complex<16>) -> ()

// AARCH64-LABEL: define void @call16()
func.func @call16() {
// AARCH64: = call { fp128, fp128 } @gen16()
%1 = fir.call @gen16() : () -> !fir.complex<16>
// AARCH64: call void @sink16([2 x fp128] %
fir.call @sink16(%1) : (!fir.complex<16>) -> ()
return
}