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// RUN: mlir-opt -split-input-file -convert-complex-to-spirv %s | FileCheck %s
func.func @create_complex(%real: f32, %imag: f32) -> complex<f32> {
%0 = complex.create %real, %imag : complex<f32>
return %0 : complex<f32>
}
// CHECK-LABEL: func.func @create_complex
// CHECK-SAME: (%[[RE:.+]]: f32, %[[IM:.+]]: f32)
// CHECK: %[[CC:.+]] = spirv.CompositeConstruct %[[RE]], %[[IM]] : (f32, f32) -> vector<2xf32>
// CHECK: %[[CAST:.+]] = builtin.unrealized_conversion_cast %[[CC]] : vector<2xf32> to complex<f32>
// CHECK: return %[[CAST]] : complex<f32>
// -----
func.func @real_number(%arg: complex<f32>) -> f32 {
%real = complex.re %arg : complex<f32>
return %real : f32
}
// CHECK-LABEL: func.func @real_number
// CHECK-SAME: %[[ARG:.+]]: complex<f32>
// CHECK: %[[CAST:.+]] = builtin.unrealized_conversion_cast %[[ARG]] : complex<f32> to vector<2xf32>
// CHECK: %[[RE:.+]] = spirv.CompositeExtract %[[CAST]][0 : i32] : vector<2xf32>
// CHECK: return %[[RE]] : f32
// -----
func.func @imaginary_number(%arg: complex<f32>) -> f32 {
%imaginary = complex.im %arg : complex<f32>
return %imaginary: f32
}
// CHECK-LABEL: func.func @imaginary_number
// CHECK-SAME: %[[ARG:.+]]: complex<f32>
// CHECK: %[[CAST:.+]] = builtin.unrealized_conversion_cast %[[ARG]] : complex<f32> to vector<2xf32>
// CHECK: %[[IM:.+]] = spirv.CompositeExtract %[[CAST]][1 : i32] : vector<2xf32>
// CHECK: return %[[IM]] : f32
// -----
func.func @complex_const() -> complex<f32> {
%cst = complex.constant [0x7FC00000 : f32, 0.000000e+00 : f32] : complex<f32>
return %cst : complex<f32>
}
// CHECK-LABEL: func.func @complex_const()
// CHECK: spirv.Constant dense<[0x7FC00000, 0.000000e+00]> : vector<2xf32>
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