1 //===- ComplexExprTest.cpp -- ComplexExpr unit tests ----------===//
2 //
3 // Part of the LLVM Project, under the Apache License v2.0 with LLVM Exceptions.
4 // See https://llvm.org/LICENSE.txt for license information.
5 // SPDX-License-Identifier: Apache-2.0 WITH LLVM-exception
6 //
7 //===----------------------------------------------------------------------===//
8 
9 #include "flang/Optimizer/Builder/Complex.h"
10 #include "gtest/gtest.h"
11 #include "flang/Optimizer/Builder/FIRBuilder.h"
12 #include "flang/Optimizer/Support/InitFIR.h"
13 #include "flang/Optimizer/Support/KindMapping.h"
14 
15 struct ComplexTest : public testing::Test {
16 public:
SetUpComplexTest17   void SetUp() override {
18     fir::support::loadDialects(context);
19 
20     mlir::OpBuilder builder(&context);
21     auto loc = builder.getUnknownLoc();
22 
23     // Set up a Module with a dummy function operation inside.
24     // Set the insertion point in the function entry block.
25     mlir::ModuleOp mod = builder.create<mlir::ModuleOp>(loc);
26     mlir::func::FuncOp func = mlir::func::FuncOp::create(
27         loc, "func1", builder.getFunctionType(llvm::None, llvm::None));
28     auto *entryBlock = func.addEntryBlock();
29     mod.push_back(mod);
30     builder.setInsertionPointToStart(entryBlock);
31 
32     kindMap = std::make_unique<fir::KindMapping>(&context);
33     firBuilder = std::make_unique<fir::FirOpBuilder>(mod, *kindMap);
34     helper = std::make_unique<fir::factory::Complex>(*firBuilder, loc);
35 
36     // Init commonly used types
37     realTy1 = mlir::FloatType::getF32(&context);
38     complexTy1 = fir::ComplexType::get(&context, 4);
39     integerTy1 = mlir::IntegerType::get(&context, 32);
40 
41     // Create commonly used reals
42     rOne = firBuilder->createRealConstant(loc, realTy1, 1u);
43     rTwo = firBuilder->createRealConstant(loc, realTy1, 2u);
44     rThree = firBuilder->createRealConstant(loc, realTy1, 3u);
45     rFour = firBuilder->createRealConstant(loc, realTy1, 4u);
46   }
47 
48   mlir::MLIRContext context;
49   std::unique_ptr<fir::KindMapping> kindMap;
50   std::unique_ptr<fir::FirOpBuilder> firBuilder;
51   std::unique_ptr<fir::factory::Complex> helper;
52 
53   // Commonly used real/complex/integer types
54   mlir::FloatType realTy1;
55   fir::ComplexType complexTy1;
56   mlir::IntegerType integerTy1;
57 
58   // Commonly used real numbers
59   mlir::Value rOne;
60   mlir::Value rTwo;
61   mlir::Value rThree;
62   mlir::Value rFour;
63 };
64 
TEST_F(ComplexTest,verifyTypes)65 TEST_F(ComplexTest, verifyTypes) {
66   mlir::Value cVal1 = helper->createComplex(complexTy1, rOne, rTwo);
67   mlir::Value cVal2 = helper->createComplex(4, rOne, rTwo);
68   EXPECT_TRUE(fir::isa_complex(cVal1.getType()));
69   EXPECT_TRUE(fir::isa_complex(cVal2.getType()));
70   EXPECT_TRUE(fir::isa_real(helper->getComplexPartType(cVal1)));
71   EXPECT_TRUE(fir::isa_real(helper->getComplexPartType(cVal2)));
72 
73   mlir::Value real1 = helper->extractComplexPart(cVal1, /*isImagPart=*/false);
74   mlir::Value imag1 = helper->extractComplexPart(cVal1, /*isImagPart=*/true);
75   mlir::Value real2 = helper->extractComplexPart(cVal2, /*isImagPart=*/false);
76   mlir::Value imag2 = helper->extractComplexPart(cVal2, /*isImagPart=*/true);
77   EXPECT_EQ(realTy1, real1.getType());
78   EXPECT_EQ(realTy1, imag1.getType());
79   EXPECT_EQ(realTy1, real2.getType());
80   EXPECT_EQ(realTy1, imag2.getType());
81 
82   mlir::Value cVal3 =
83       helper->insertComplexPart(cVal1, rThree, /*isImagPart=*/false);
84   mlir::Value cVal4 =
85       helper->insertComplexPart(cVal3, rFour, /*isImagPart=*/true);
86   EXPECT_TRUE(fir::isa_complex(cVal4.getType()));
87   EXPECT_TRUE(fir::isa_real(helper->getComplexPartType(cVal4)));
88 }
89 
TEST_F(ComplexTest,verifyConvertWithSemantics)90 TEST_F(ComplexTest, verifyConvertWithSemantics) {
91   auto loc = firBuilder->getUnknownLoc();
92   rOne = firBuilder->createRealConstant(loc, realTy1, 1u);
93   // Convert real to complex
94   mlir::Value v1 = firBuilder->convertWithSemantics(loc, complexTy1, rOne);
95   EXPECT_TRUE(fir::isa_complex(v1.getType()));
96 
97   // Convert complex to integer
98   mlir::Value v2 = firBuilder->convertWithSemantics(loc, integerTy1, v1);
99   EXPECT_TRUE(v2.getType().isa<mlir::IntegerType>());
100   EXPECT_TRUE(mlir::dyn_cast<fir::ConvertOp>(v2.getDefiningOp()));
101 }
102