GCC Code Coverage Report

Directory: ../
File: src/irgenerator/GenExpressions.cpp
Date: 2024-11-22 23:10:59
Exec Total Coverage
Lines: 446 450 99.1%
Functions: 16 16 100.0%
Branches: 571 990 57.7%
Line Branch Exec Source
1 // Copyright (c) 2021-2024 ChilliBits. All rights reserved.
2
3 #include "IRGenerator.h"
4
5 #include <ast/ASTNodes.h>
6
7 #include <llvm/IR/Module.h>
8
9 namespace spice::compiler {
10
11 43019 std::any IRGenerator::visitAssignExpr(const AssignExprNode *node) {
12 43019 diGenerator.setSourceLocation(node);
13
14 // Visit ternary expression
15
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 43019 if (node->ternaryExpr())
16 38571 return visit(node->ternaryExpr());
17
18 // Assign or compound assign operation
19
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 4448 if (node->op != AssignExprNode::OP_NONE) {
20
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 4448 const PrefixUnaryExprNode *lhsNode = node->lhs();
21
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 4448 const AssignExprNode *rhsNode = node->rhs();
22
23 // Normal assignment
24
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 4448 if (node->op == AssignExprNode::OP_ASSIGN)
25
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 3949 return doAssignment(lhsNode, rhsNode, node);
26
27 // Compound assignment
28 // Get symbol types of left and right side
29
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 499 const QualType lhsSTy = lhsNode->getEvaluatedSymbolType(manIdx);
30
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 499 const QualType rhsSTy = rhsNode->getEvaluatedSymbolType(manIdx);
31
32 // Retrieve rhs
33
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 499 auto rhs = std::any_cast<LLVMExprResult>(visit(rhsNode));
34 // Retrieve lhs
35
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 499 auto lhs = std::any_cast<LLVMExprResult>(visit(lhsNode));
36
37 499 LLVMExprResult result;
38
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 499 switch (node->op) {
39 205 case AssignExprNode::OP_PLUS_EQUAL:
40
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 205 result = conversionManager.getPlusEqualInst(node, lhs, lhsSTy, rhs, rhsSTy, 0);
41 205 break;
42 27 case AssignExprNode::OP_MINUS_EQUAL:
43
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 27 result = conversionManager.getMinusEqualInst(node, lhs, lhsSTy, rhs, rhsSTy, 0);
44 27 break;
45 15 case AssignExprNode::OP_MUL_EQUAL:
46
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 15 result = conversionManager.getMulEqualInst(node, lhs, lhsSTy, rhs, rhsSTy, 0);
47 15 break;
48 35 case AssignExprNode::OP_DIV_EQUAL:
49
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 35 result = conversionManager.getDivEqualInst(node, lhs, lhsSTy, rhs, rhsSTy, 0);
50 35 break;
51 5 case AssignExprNode::OP_REM_EQUAL:
52
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 5 result = conversionManager.getRemEqualInst(node, lhs, lhsSTy, rhs, rhsSTy);
53 5 break;
54 1 case AssignExprNode::OP_SHL_EQUAL:
55
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 1 result = conversionManager.getSHLEqualInst(node, lhs, lhsSTy, rhs, rhsSTy);
56 1 break;
57 2 case AssignExprNode::OP_SHR_EQUAL:
58
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 2 result = conversionManager.getSHREqualInst(node, lhs, lhsSTy, rhs, rhsSTy);
59 2 break;
60 1 case AssignExprNode::OP_AND_EQUAL:
61
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 1 result = conversionManager.getAndEqualInst(node, lhs, lhsSTy, rhs, rhsSTy);
62 1 break;
63 1 case AssignExprNode::OP_OR_EQUAL:
64
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 1 result = conversionManager.getOrEqualInst(node, lhs, lhsSTy, rhs, rhsSTy);
65 1 break;
66 207 case AssignExprNode::OP_XOR_EQUAL:
67
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 207 result = conversionManager.getXorEqualInst(node, lhs, lhsSTy, rhs, rhsSTy);
68 207 break;
69 − default: // GCOV_EXCL_LINE
70 − throw CompilerError(UNHANDLED_BRANCH, "Assign op fall-through"); // GCOV_EXCL_LINE
71 }
72
73
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 499 if (result.ptr) { // The operation allocated more memory
74 ✗ if (lhs.entry)
75 ✗ lhs.entry->updateAddress(result.ptr);
76
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 499 } else if (result.value) { // The operation only updated the value
77 // Store the result
78 379 lhs.value = result.value;
79
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 379 insertStore(lhs.value, lhs.ptr, lhs.entry && lhs.entry->isVolatile);
80 }
81
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 998 return LLVMExprResult{.value = lhs.value, .ptr = lhs.ptr, .refPtr = lhs.refPtr, .entry = lhs.entry};
82 }
83
84 // This is a fallthrough case -> throw an error
85 − throw CompilerError(UNHANDLED_BRANCH, "AssignStmt fall-through"); // GCOV_EXCL_LINE
86 }
87
88 38789 std::any IRGenerator::visitTernaryExpr(const TernaryExprNode *node) {
89 38789 diGenerator.setSourceLocation(node);
90
91 // Check if only one operand is present -> loop through
92
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 38789 if (node->operands().size() == 1)
93
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 77052 return visit(node->operands().front());
94
95 // It is a ternary
96 // Retrieve the condition value
97
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 263 llvm::Value *condValue = resolveValue(node->operands()[0]);
98
99 // Get the values of true and false
100 llvm::Value *trueValue;
101 llvm::Value *falseValue;
102
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 263 if (node->isShortened) {
103 1 trueValue = condValue;
104
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 1 falseValue = resolveValue(node->operands()[1]);
105 } else {
106
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 262 trueValue = resolveValue(node->operands()[1]);
107
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 262 falseValue = resolveValue(node->operands()[2]);
108 }
109
110
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 263 llvm::Value *resultValue = builder.CreateSelect(condValue, trueValue, falseValue);
111
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 526 return LLVMExprResult{.value = resultValue};
112 }
113
114 39314 std::any IRGenerator::visitLogicalOrExpr(const LogicalOrExprNode *node) {
115
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 39314 diGenerator.setSourceLocation(node);
116
117 // Check if only one operand is present -> loop through
118
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 39314 if (node->operands().size() == 1)
119
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 78146 return visit(node->operands().front());
120
121 // It is a logical or expression
122 // Create exit block for short-circuiting
123
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 241 const std::string codeLoc = node->codeLoc.toPrettyLineAndColumn();
124
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 241 llvm::BasicBlock *bExit = createBlock("lor.exit." + codeLoc);
125
126 // Visit the first operand
127
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 241 llvm::Value *firstOperandValue = resolveValue(node->operands().front());
128
129 // Prepare an array for value-to-block-mapping
130 241 std::vector<std::pair<llvm::BasicBlock *, llvm::Value *>> shortCircuitBlocks;
131
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 241 shortCircuitBlocks.reserve(node->operands().size());
132 // The first element is the first operand value with the original block
133
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 241 shortCircuitBlocks.emplace_back(builder.GetInsertBlock(), firstOperandValue);
134 // Create a block for each additional operand and save it to the mapping
135
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 506 for (size_t i = 1; i < node->operands().size(); i++)
136
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 265 shortCircuitBlocks.emplace_back(createBlock("lor." + std::to_string(i) + "." + codeLoc), nullptr);
137 // Create conditional jump to the exit block if the first operand was true, otherwise to the next block
138
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 241 insertCondJump(firstOperandValue, bExit, shortCircuitBlocks.at(1).first);
139
140 // Create block for each operand
141
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 506 for (size_t i = 1; i < node->operands().size(); i++) {
142 // Switch to the next block
143
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 265 switchToBlock(shortCircuitBlocks.at(i).first);
144 // Evaluate operand and save the result in the mapping
145
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 265 shortCircuitBlocks.at(i).second = resolveValue(node->operands()[i]);
146 // Replace the array entry with the current insert block, since the insert block could have changed in the meantime
147
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 265 shortCircuitBlocks.at(i).first = builder.GetInsertBlock();
148 // Check if there are more blocks to process
149
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 265 if (i == node->operands().size() - 1) {
150 // Insert a simple jump to the exit block for the last block
151
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 241 insertJump(bExit);
152 } else {
153 // Create conditional jump to the exit block if the first operand was true, otherwise to the next block
154
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 24 insertCondJump(shortCircuitBlocks.at(i).second, bExit, shortCircuitBlocks.at(i + 1).first);
155 }
156 }
157
158 // Get the result with the phi node
159
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 241 switchToBlock(bExit);
160
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 241 llvm::PHINode *result = builder.CreatePHI(firstOperandValue->getType(), node->operands().size(), "lor_phi");
161
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 747 for (const auto &[incomingBlock, value] : shortCircuitBlocks)
162
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 506 result->addIncoming(value, incomingBlock);
163
164 // Return the result
165
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 241 return LLVMExprResult{.value = result};
166 241 }
167
168 39579 std::any IRGenerator::visitLogicalAndExpr(const LogicalAndExprNode *node) {
169
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 39579 diGenerator.setSourceLocation(node);
170
171 // Check if only one operand is present -> loop through
172
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 39579 if (node->operands().size() == 1)
173
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 79046 return visit(node->operands().front());
174
175 // It is a logical and expression
176 // Create exit block for short-circuiting
177
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 56 const std::string codeLoc = node->codeLoc.toPrettyLineAndColumn();
178
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 56 llvm::BasicBlock *bExit = createBlock("land.exit." + codeLoc);
179
180 // Visit the first operand
181
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 56 llvm::Value *firstOperandValue = resolveValue(node->operands().front());
182
183 // Prepare an array for value-to-block-mapping
184 56 std::vector<std::pair<llvm::BasicBlock *, llvm::Value *>> shortCircuitBlocks;
185
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 56 shortCircuitBlocks.reserve(node->operands().size());
186 // The first element is the first operand value with the original block
187
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 56 shortCircuitBlocks.emplace_back(builder.GetInsertBlock(), firstOperandValue);
188 // Create a block for each additional operand and save it to the mapping
189
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 117 for (size_t i = 1; i < node->operands().size(); i++)
190
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 61 shortCircuitBlocks.emplace_back(createBlock("land." + std::to_string(i) + "." + codeLoc), nullptr);
191 // Create conditional jump to the exit block if the first operand was true, otherwise to the next block
192
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 56 insertCondJump(firstOperandValue, shortCircuitBlocks.at(1).first, bExit);
193
194 // Create block for each operand
195
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 117 for (size_t i = 1; i < node->operands().size(); i++) {
196 // Switch to the next block
197
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 61 switchToBlock(shortCircuitBlocks.at(i).first);
198 // Evaluate operand and save the result in the mapping
199
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 61 shortCircuitBlocks.at(i).second = resolveValue(node->operands()[i]);
200 // Replace the array entry with the current insert block, since the insert block could have changed in the meantime
201
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 61 shortCircuitBlocks.at(i).first = builder.GetInsertBlock();
202 // Check if there are more blocks to process
203
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 61 if (i == node->operands().size() - 1) {
204 // Insert a simple jump to the exit block for the last block
205
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 56 insertJump(bExit);
206 } else {
207 // Create conditional jump to the exit block if the operand was true, otherwise to the next block
208
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 5 insertCondJump(shortCircuitBlocks.at(i).second, shortCircuitBlocks.at(i + 1).first, bExit);
209 }
210 }
211
212 // Get the result with the phi node
213
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 56 switchToBlock(bExit);
214
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 56 llvm::PHINode *result = builder.CreatePHI(firstOperandValue->getType(), node->operands().size(), "land_phi");
215
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 173 for (const auto &[incomingBlock, value] : shortCircuitBlocks)
216
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 117 result->addIncoming(value, incomingBlock);
217
218 // Return the result
219
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 56 return LLVMExprResult{.value = result};
220 56 }
221
222 39640 std::any IRGenerator::visitBitwiseOrExpr(const BitwiseOrExprNode *node) {
223
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 39640 diGenerator.setSourceLocation(node);
224
225 // Check if only one operand is present -> loop through
226
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 39640 if (node->operands().size() == 1)
227
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 79220 return visit(node->operands().front());
228
229 // It is a bitwise or expression
230 // Evaluate first operand
231
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 30 const BitwiseXorExprNode *lhsNode = node->operands().front();
232
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 30 const QualType lhsSTy = lhsNode->getEvaluatedSymbolType(manIdx);
233
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 30 auto result = std::any_cast<LLVMExprResult>(visit(lhsNode));
234
235 // Evaluate all additional operands
236
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 61 for (size_t i = 1; i < node->operands().size(); i++) {
237 // Evaluate the operand
238
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 31 const BitwiseXorExprNode *rhsNode = node->operands()[i];
239
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 31 const QualType rhsSTy = lhsNode->getEvaluatedSymbolType(manIdx);
240
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 31 auto rhs = std::any_cast<LLVMExprResult>(visit(rhsNode));
241
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 31 result = conversionManager.getBitwiseOrInst(node, result, lhsSTy, rhs, rhsSTy, i - 1);
242 }
243
244 // Return result
245
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 30 return result;
246 }
247
248 39671 std::any IRGenerator::visitBitwiseXorExpr(const BitwiseXorExprNode *node) {
249
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 39671 diGenerator.setSourceLocation(node);
250
251 // Check if only one operand is present -> loop through
252
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 39671 if (node->operands().size() == 1)
253
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 79338 return visit(node->operands().front());
254
255 // It is a bitwise xor expression
256 // Evaluate first operand
257
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 2 const BitwiseAndExprNode *lhsNode = node->operands().front();
258
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 2 const QualType lhsSTy = lhsNode->getEvaluatedSymbolType(manIdx);
259
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 2 auto result = std::any_cast<LLVMExprResult>(visit(lhsNode));
260
261 // Evaluate all additional operands
262
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 5 for (size_t i = 1; i < node->operands().size(); i++) {
263 // Evaluate the operand
264
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 3 const BitwiseAndExprNode *rhsNode = node->operands()[i];
265
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 3 const QualType rhsSTy = lhsNode->getEvaluatedSymbolType(manIdx);
266
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 3 auto rhs = std::any_cast<LLVMExprResult>(visit(rhsNode));
267
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 3 result = conversionManager.getBitwiseXorInst(node, result, lhsSTy, rhs, rhsSTy);
268 }
269
270 // Return result
271
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 2 return result;
272 }
273
274 39674 std::any IRGenerator::visitBitwiseAndExpr(const BitwiseAndExprNode *node) {
275
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 39674 diGenerator.setSourceLocation(node);
276
277 // Check if only one operand is present -> loop through
278
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 39674 if (node->operands().size() == 1)
279
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 79292 return visit(node->operands().front());
280
281 // It is a bitwise and expression
282 // Evaluate first operand
283
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 28 const EqualityExprNode *lhsNode = node->operands().front();
284
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 28 const QualType lhsSTy = lhsNode->getEvaluatedSymbolType(manIdx);
285
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 28 auto result = std::any_cast<LLVMExprResult>(visit(lhsNode));
286
287 // Evaluate all additional operands
288
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 57 for (size_t i = 1; i < node->operands().size(); i++) {
289 // Evaluate the operand
290
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 29 const EqualityExprNode *rhsNode = node->operands()[i];
291
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 29 const QualType rhsSTy = lhsNode->getEvaluatedSymbolType(manIdx);
292
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 29 auto rhs = std::any_cast<LLVMExprResult>(visit(rhsNode));
293
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 29 result = conversionManager.getBitwiseAndInst(rhsNode, result, lhsSTy, rhs, rhsSTy, i - 1);
294 }
295
296 // Return result
297
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 28 return result;
298 }
299
300 39703 std::any IRGenerator::visitEqualityExpr(const EqualityExprNode *node) {
301
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 39703 diGenerator.setSourceLocation(node);
302
303 // Check if only one operand is present -> loop through
304
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 39703 if (node->operands().size() == 1)
305
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 72536 return visit(node->operands().front());
306
307 // It is an equality expression
308 // Evaluate lhs
309
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 3435 const RelationalExprNode *lhsNode = node->operands()[0];
310
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 3435 const QualType lhsSTy = lhsNode->getEvaluatedSymbolType(manIdx);
311
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 3435 auto result = std::any_cast<LLVMExprResult>(visit(lhsNode));
312
313 // Evaluate rhs
314
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 3435 const RelationalExprNode *rhsNode = node->operands()[1];
315
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 3435 const QualType rhsSTy = rhsNode->getEvaluatedSymbolType(manIdx);
316
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 3435 auto rhs = std::any_cast<LLVMExprResult>(visit(rhsNode));
317
318 // Retrieve the result value, based on the exact operator
319
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 3435 switch (node->op) {
320 2219 case EqualityExprNode::OP_EQUAL:
321
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 2219 result = conversionManager.getEqualInst(node, result, lhsSTy, rhs, rhsSTy, 0);
322 2219 break;
323 1216 case EqualityExprNode::OP_NOT_EQUAL:
324
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 1216 result = conversionManager.getNotEqualInst(node, result, lhsSTy, rhs, rhsSTy, 0);
325 1216 break;
326 − default: // GCOV_EXCL_LINE
327 − throw CompilerError(UNHANDLED_BRANCH, "EqualityExpr fall-through"); // GCOV_EXCL_LINE
328 }
329
330 // Return the result
331
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 3435 return result;
332 }
333
334 43138 std::any IRGenerator::visitRelationalExpr(const RelationalExprNode *node) {
335
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 43138 diGenerator.setSourceLocation(node);
336
337 // Check if only one operand is present -> loop through
338
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 43138 if (node->operands().size() == 1)
339
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 81644 return visit(node->operands().front());
340
341 // It is a relational expression
342 // Evaluate lhs
343
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 2316 const ShiftExprNode *lhsNode = node->operands()[0];
344
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 2316 const QualType lhsSTy = lhsNode->getEvaluatedSymbolType(manIdx);
345
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 2316 auto result = std::any_cast<LLVMExprResult>(visit(lhsNode));
346
347 // Evaluate rhs
348
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 2316 const ShiftExprNode *rhsNode = node->operands()[1];
349
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 2316 const QualType rhsSTy = rhsNode->getEvaluatedSymbolType(manIdx);
350
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 2316 auto rhs = std::any_cast<LLVMExprResult>(visit(rhsNode));
351
352 // Retrieve the result value, based on the exact operator
353
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 2316 switch (node->op) {
354 1344 case RelationalExprNode::OP_LESS:
355
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 1344 result = conversionManager.getLessInst(node, result, lhsSTy, rhs, rhsSTy);
356 1344 break;
357 222 case RelationalExprNode::OP_GREATER:
358
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 222 result = conversionManager.getGreaterInst(node, result, lhsSTy, rhs, rhsSTy);
359 222 break;
360 236 case RelationalExprNode::OP_LESS_EQUAL:
361
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 236 result = conversionManager.getLessEqualInst(node, result, lhsSTy, rhs, rhsSTy);
362 236 break;
363 514 case RelationalExprNode::OP_GREATER_EQUAL:
364
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 514 result = conversionManager.getGreaterEqualInst(node, result, lhsSTy, rhs, rhsSTy);
365 514 break;
366 − default: // GCOV_EXCL_LINE
367 − throw CompilerError(UNHANDLED_BRANCH, "EqualityExpr fall-through"); // GCOV_EXCL_LINE
368 }
369
370 // Return the result
371
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 2316 return result;
372 }
373
374 45454 std::any IRGenerator::visitShiftExpr(const ShiftExprNode *node) {
375
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 45454 diGenerator.setSourceLocation(node);
376
377 // Check if only one operand is present -> loop through
378
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 45454 if (node->operands().size() == 1)
379
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 90878 return visit(node->operands().front());
380
381 // It is a shift expression
382 // Evaluate lhs
383
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 15 const AdditiveExprNode *lhsNode = node->operands()[0];
384
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 15 const QualType lhsSTy = lhsNode->getEvaluatedSymbolType(manIdx);
385
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 15 auto result = std::any_cast<LLVMExprResult>(visit(lhsNode));
386
387 // Evaluate rhs
388
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 15 const AdditiveExprNode *rhsNode = node->operands()[1];
389
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 15 const QualType rhsSTy = rhsNode->getEvaluatedSymbolType(manIdx);
390
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 15 auto rhs = std::any_cast<LLVMExprResult>(visit(rhsNode));
391
392 // Retrieve the result value, based on the exact operator
393
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 15 switch (node->op) {
394 10 case ShiftExprNode::OP_SHIFT_LEFT:
395
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 10 result = conversionManager.getShiftLeftInst(node, result, lhsSTy, rhs, rhsSTy, 0);
396 10 break;
397 5 case ShiftExprNode::OP_SHIFT_RIGHT:
398
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 5 result = conversionManager.getShiftRightInst(node, result, lhsSTy, rhs, rhsSTy, 0);
399 5 break;
400 − default: // GCOV_EXCL_LINE
401 − throw CompilerError(UNHANDLED_BRANCH, "ShiftExpr fall-through"); // GCOV_EXCL_LINE
402 }
403
404 // Return the result
405
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 15 return result;
406 }
407
408 45469 std::any IRGenerator::visitAdditiveExpr(const AdditiveExprNode *node) {
409
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 45469 diGenerator.setSourceLocation(node);
410
411 // Check if only one operand is present -> loop through
412
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 45469 if (node->operands().size() == 1)
413
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 85450 return visit(node->operands().front());
414
415 // It is an additive expression
416 // Evaluate first operand
417
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 2744 const MultiplicativeExprNode *lhsNode = node->operands()[0];
418
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 2744 QualType lhsSTy = lhsNode->getEvaluatedSymbolType(manIdx);
419
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 2744 auto lhs = std::any_cast<LLVMExprResult>(visit(lhsNode));
420
421
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 2744 auto opQueue = node->opQueue;
422 2744 size_t operandIndex = 1;
423
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 5859 while (!opQueue.empty()) {
424 3115 const size_t operatorIndex = operandIndex - 1;
425 // Evaluate next operand
426
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 3115 const MultiplicativeExprNode *rhsNode = node->operands()[operandIndex++];
427
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 3115 assert(rhsNode != nullptr);
428
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 3115 const QualType rhsSTy = rhsNode->getEvaluatedSymbolType(manIdx);
429
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 3115 auto rhs = std::any_cast<LLVMExprResult>(visit(rhsNode));
430
431 // Retrieve the result, based on the exact operator
432
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 3115 switch (opQueue.front().first) {
433 1971 case AdditiveExprNode::OP_PLUS:
434
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 1971 lhs = conversionManager.getPlusInst(node, lhs, lhsSTy, rhs, rhsSTy, operatorIndex);
435 1971 break;
436 1144 case AdditiveExprNode::OP_MINUS:
437
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 1144 lhs = conversionManager.getMinusInst(node, lhs, lhsSTy, rhs, rhsSTy, operatorIndex);
438 1144 break;
439 − default: // GCOV_EXCL_LINE
440 − throw CompilerError(UNHANDLED_BRANCH, "AdditiveExpr fall-through"); // GCOV_EXCL_LINE
441 }
442
443 // Retrieve the new lhs symbol type
444 3115 lhsSTy = opQueue.front().second;
445
446 3115 opQueue.pop();
447 }
448
449 // Return the result
450
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 2744 return lhs;
451 2744 }
452
453 48584 std::any IRGenerator::visitMultiplicativeExpr(const MultiplicativeExprNode *node) {
454
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 48584 diGenerator.setSourceLocation(node);
455
456 // Check if only one operand is present -> loop through
457
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 48584 if (node->operands().size() == 1)
458
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 95598 return visit(node->operands().front());
459
460 // It is an additive expression
461 // Evaluate first operand
462
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 785 const CastExprNode *lhsNode = node->operands()[0];
463
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 785 QualType lhsSTy = lhsNode->getEvaluatedSymbolType(manIdx);
464
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 785 auto result = std::any_cast<LLVMExprResult>(visit(lhsNode));
465
466
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 785 auto opQueue = node->opQueue;
467 785 size_t operandIndex = 1;
468
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 1590 while (!opQueue.empty()) {
469 805 const size_t operatorIndex = operandIndex - 1;
470 // Evaluate next operand
471
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 805 const CastExprNode *rhsNode = node->operands()[operandIndex++];
472
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 805 assert(rhsNode != nullptr);
473
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 805 const QualType rhsSTy = rhsNode->getEvaluatedSymbolType(manIdx);
474
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 805 auto rhs = std::any_cast<LLVMExprResult>(visit(rhsNode));
475
476 // Retrieve the result, based on the exact operator
477
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 805 switch (opQueue.front().first) {
478 603 case MultiplicativeExprNode::OP_MUL:
479
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 603 result = conversionManager.getMulInst(node, result, lhsSTy, rhs, rhsSTy, operatorIndex);
480 603 break;
481 193 case MultiplicativeExprNode::OP_DIV:
482
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 193 result = conversionManager.getDivInst(node, result, lhsSTy, rhs, rhsSTy, operatorIndex);
483 193 break;
484 9 case MultiplicativeExprNode::OP_REM:
485
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 9 result = conversionManager.getRemInst(node, result, lhsSTy, rhs, rhsSTy);
486 9 break;
487 − default: // GCOV_EXCL_LINE
488 − throw CompilerError(UNHANDLED_BRANCH, "MultiplicativeExpr fall-through"); // GCOV_EXCL_LINE
489 }
490
491 // Retrieve the new lhs symbol type
492 805 lhsSTy = opQueue.front().second;
493 805 opQueue.pop();
494 }
495
496 // Return the result
497
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 785 return result;
498 785 }
499
500 49389 std::any IRGenerator::visitCastExpr(const CastExprNode *node) {
501
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 49389 diGenerator.setSourceLocation(node);
502
503 // Check if only one operand is present -> loop through
504
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 49389 if (!node->isCast)
505
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 47233 return visit(node->prefixUnaryExpr());
506
507 // It is a cast expression
508 // Retrieve target symbol type
509
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 2156 const QualType targetSTy = node->getEvaluatedSymbolType(manIdx);
510
511 // Evaluate rhs
512
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 2156 const PrefixUnaryExprNode *rhsNode = node->prefixUnaryExpr();
513
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 2156 const QualType rhsSTy = rhsNode->getEvaluatedSymbolType(manIdx);
514
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 2156 auto rhs = std::any_cast<LLVMExprResult>(visit(rhsNode));
515
516 // Retrieve the result value
517
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 2156 const LLVMExprResult result = conversionManager.getCastInst(node, targetSTy, rhs, rhsSTy);
518
519 // Return the result
520
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 2156 return result;
521 }
522
523 54534 std::any IRGenerator::visitPrefixUnaryExpr(const PrefixUnaryExprNode *node) {
524
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 54534 diGenerator.setSourceLocation(node);
525
526 // If no operator is applied, simply visit the atomic expression
527
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 54534 if (node->op == PrefixUnaryExprNode::OP_NONE)
528
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 53837 return visit(node->postfixUnaryExpr());
529
530 // Evaluate lhs
531
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 697 const PrefixUnaryExprNode *lhsNode = node->prefixUnary();
532
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 697 const QualType lhsSTy = lhsNode->getEvaluatedSymbolType(manIdx);
533
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 697 auto lhs = std::any_cast<LLVMExprResult>(visit(lhsNode));
534
535
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 697 switch (node->op) {
536 16 case PrefixUnaryExprNode::OP_MINUS: {
537 // Execute operation
538
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 16 lhs = conversionManager.getPrefixMinusInst(node, lhs, lhsSTy);
539
540 // This operator can not work in-place, so we need additional memory
541
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 16 lhs.ptr = insertAlloca(lhs.value->getType());
542
543 // Store the new value
544
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 16 insertStore(lhs.value, lhs.ptr);
545
546 16 break;
547 }
548 26 case PrefixUnaryExprNode::OP_PLUS_PLUS: {
549 // Make sure the value is present
550
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 26 resolveValue(lhsNode, lhs);
551
552 // Execute operation
553
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 26 lhs.value = conversionManager.getPrefixPlusPlusInst(node, lhs, lhsSTy).value;
554
555 // If this operation happens on a volatile variable, store the value directly
556
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 26 if (lhs.entry && lhs.entry->isVolatile)
557 ✗ insertStore(lhs.value, lhs.ptr, true);
558
559 // Save to the existing address if possible, otherwise (e.g. for literals) allocate new space
560
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 26 if (!lhs.ptr)
561
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 2 lhs.ptr = insertAlloca(lhs.value->getType());
562
563 // Store the new value
564
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 26 insertStore(lhs.value, lhs.ptr);
565
566 26 break;
567 }
568 4 case PrefixUnaryExprNode::OP_MINUS_MINUS: {
569 // Make sure the value is present
570
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 4 resolveValue(lhsNode, lhs);
571
572 // Execute operation
573
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 4 lhs.value = conversionManager.getPrefixMinusMinusInst(node, lhs, lhsSTy).value;
574
575 // If this operation happens on a volatile variable, store the value directly
576
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 4 if (lhs.entry && lhs.entry->isVolatile)
577 ✗ insertStore(lhs.value, lhs.ptr, true);
578
579 // Save to the existing address if possible, otherwise (e.g. for literals) allocate new space
580
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 4 if (!lhs.ptr)
581
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 2 lhs.ptr = insertAlloca(lhs.value->getType());
582
583 // Store the new value
584
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 4 insertStore(lhs.value, lhs.ptr);
585
586 4 break;
587 }
588 520 case PrefixUnaryExprNode::OP_NOT: {
589 // Make sure the value is present
590
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 520 resolveValue(lhsNode, lhs);
591
592 // Execute operation
593
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 520 lhs = conversionManager.getPrefixNotInst(node, lhs, lhsSTy);
594
595 // This operator can not work in-place, so we need additional memory
596
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 520 lhs.ptr = insertAlloca(lhs.value->getType());
597
598 // Store the new value
599
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 520 insertStore(lhs.value, lhs.ptr, lhs.entry && lhs.entry->isVolatile);
600
601 520 break;
602 }
603 1 case PrefixUnaryExprNode::OP_BITWISE_NOT: {
604 // Make sure the value is present
605
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 1 resolveValue(lhsNode, lhs);
606
607 // Execute operation
608
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 1 lhs = conversionManager.getPrefixBitwiseNotInst(node, lhs, lhsSTy);
609
610 // This operator can not work in-place, so we need additional memory
611
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 1 lhs.ptr = insertAlloca(lhs.value->getType());
612
613 // Store the new value
614
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 1 insertStore(lhs.value, lhs.ptr, lhs.entry && lhs.entry->isVolatile);
615
616 1 break;
617 }
618 75 case PrefixUnaryExprNode::OP_DEREFERENCE: {
619 // Make sure the value is present
620
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 75 resolveValue(lhsNode, lhs);
621
622 // Execute operation
623 75 lhs.ptr = lhs.value;
624
625 // Reset the value
626 75 lhs.value = nullptr;
627
628 75 break;
629 }
630 55 case PrefixUnaryExprNode::OP_ADDRESS_OF: {
631 // Make sure the address is present
632
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 55 resolveAddress(lhs);
633
634 // Execute operation
635 55 lhs.value = lhs.ptr;
636
637 // Reset the address
638 55 lhs.ptr = nullptr;
639
640 55 break;
641 }
642 − default: // GCOV_EXCL_LINE
643 − throw CompilerError(UNHANDLED_BRANCH, "PrefixUnaryExpr fall-through"); // GCOV_EXCL_LINE
644 }
645
646
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 697 return lhs;
647 }
648
649 68564 std::any IRGenerator::visitPostfixUnaryExpr(const PostfixUnaryExprNode *node) {
650
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 68564 diGenerator.setSourceLocation(node);
651
652 // If no operator is applied, simply visit the atomic expression
653
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 68564 if (node->op == PostfixUnaryExprNode::OP_NONE)
654
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 53837 return visit(node->atomicExpr());
655
656 // Evaluate lhs
657
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 14727 const PostfixUnaryExprNode *lhsNode = node->postfixUnaryExpr();
658
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 14727 QualType lhsSTy = lhsNode->getEvaluatedSymbolType(manIdx);
659
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 14727 auto lhs = std::any_cast<LLVMExprResult>(visit(lhsNode));
660
661
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 14727 switch (node->op) {
662 2118 case PostfixUnaryExprNode::OP_SUBSCRIPT: {
663
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 2118 lhsSTy = lhsSTy.removeReferenceWrapper();
664
665 // Get the index value
666
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 2118 const AssignExprNode *indexExpr = node->assignExpr();
667
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 2118 llvm::Value *indexValue = resolveValue(indexExpr);
668 // Come up with the address
669
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 2118 if (lhsSTy.isArray() && lhsSTy.getArraySize() != ARRAY_SIZE_UNKNOWN) { // Array
670 // Make sure the address is present
671
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 95 resolveAddress(lhs);
672
673 // Calculate address of array item
674
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 95 llvm::Type *lhsTy = lhsSTy.toLLVMType(sourceFile);
675
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 95 llvm::Value *indices[2] = {builder.getInt64(0), indexValue};
676
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 190 lhs.ptr = insertInBoundsGEP(lhsTy, lhs.ptr, indices);
677 } else { // Pointer
678 // Make sure the value is present
679
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 2023 resolveValue(lhsNode, lhs);
680
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 2023 assert(lhs.value != nullptr);
681
682 // Now the pointer is the value
683 2023 lhs.ptr = lhs.value;
684
685
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 2023 llvm::Type *lhsTy = lhsSTy.getContained().toLLVMType(sourceFile);
686 // Calculate address of pointer item
687
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 4046 lhs.ptr = insertInBoundsGEP(lhsTy, lhs.ptr, indexValue);
688 }
689
690 // Reset value and entry
691 2118 lhs.value = nullptr;
692 2118 lhs.entry = nullptr;
693 2118 break;
694 }
695 11133 case PostfixUnaryExprNode::OP_MEMBER_ACCESS: {
696 // Get the address of the struct instance
697
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 11133 resolveAddress(lhs);
698
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 11133 lhsSTy = lhsSTy.removeReferenceWrapper();
699
700 // Auto de-reference pointer
701
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 11133 autoDeReferencePtr(lhs.ptr, lhsSTy);
702
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 11133 assert(lhsSTy.is(TY_STRUCT));
703
704 // Retrieve struct scope
705 11133 const std::string &fieldName = node->identifier;
706
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 11133 Scope *structScope = lhsSTy.getBodyScope();
707
708 // Retrieve field entry
709 11133 std::vector<size_t> indexPath;
710
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 11133 lhs.entry = structScope->symbolTable.lookupInComposedFields(fieldName, indexPath);
711
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 11133 assert(lhs.entry != nullptr);
712
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 11133 const QualType fieldSymbolType = lhs.entry->getQualType();
713
714 // Get address of the field in the struct instance
715
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 22266 std::vector<llvm::Value *> indices = {builder.getInt64(0)};
716
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 22272 for (const size_t index : indexPath)
717
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 11139 indices.push_back(builder.getInt32(index));
718
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 11133 const std::string name = fieldName + "_addr";
719
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 11133 llvm::Value *memberAddr = insertInBoundsGEP(lhsSTy.toLLVMType(sourceFile), lhs.ptr, indices, name);
720
721 // Set as ptr or refPtr, depending on the type
722
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 11133 if (fieldSymbolType.isRef()) {
723 142 lhs.ptr = nullptr;
724 142 lhs.refPtr = memberAddr;
725 } else {
726 10991 lhs.ptr = memberAddr;
727 10991 lhs.refPtr = nullptr;
728 }
729
730 // Reset the value
731 11133 lhs.value = nullptr;
732 11133 break;
733 11133 }
734 1234 case PostfixUnaryExprNode::OP_PLUS_PLUS: {
735 // Make sure a value is present
736
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 1234 resolveValue(lhsNode, lhs);
737
738 // Allocate new local variable if required
739
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 1234 if (!lhs.ptr) {
740
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 2 assert(lhs.value != nullptr);
741
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 4 lhs.ptr = insertAlloca(lhs.value->getType());
742 }
743
744 // Execute operation
745
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 1234 const LLVMExprResult result = conversionManager.getPostfixPlusPlusInst(node, lhs, lhsSTy, 0);
746
747 // Save the new value to the old address
748
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 1234 if (conversionManager.callsOverloadedOpFct(node, 0)) {
749 9 lhs.value = result.value;
750 9 lhs.ptr = result.ptr;
751 } else {
752
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 1225 insertStore(result.value, lhs.ptr, lhs.entry && lhs.entry->isVolatile);
753 1225 lhs.ptr = nullptr;
754 }
755 1234 break;
756 }
757 242 case PostfixUnaryExprNode::OP_MINUS_MINUS: {
758 // Make sure a value is present
759
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 242 resolveValue(lhsNode, lhs);
760
761 // Allocate new local variable if required
762
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 242 if (!lhs.ptr) {
763
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 2 assert(lhs.value != nullptr);
764
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 4 lhs.ptr = insertAlloca(lhs.value->getType());
765 }
766
767 // Execute operation
768
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 242 const LLVMExprResult result = conversionManager.getPostfixMinusMinusInst(node, lhs, lhsSTy, 0);
769
770 // Save the new value to the old address
771
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 242 if (conversionManager.callsOverloadedOpFct(node, 0)) {
772 6 lhs.value = result.value;
773 6 lhs.ptr = result.ptr;
774 } else {
775
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 236 insertStore(result.value, lhs.ptr, lhs.entry && lhs.entry->isVolatile);
776 236 lhs.ptr = nullptr;
777 }
778 242 break;
779 }
780 − default: // GCOV_EXCL_LINE
781 − throw CompilerError(UNHANDLED_BRANCH, "PostfixUnaryExpr fall-through"); // GCOV_EXCL_LINE
782 }
783
784
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 14727 return lhs;
785 }
786
787 53837 std::any IRGenerator::visitAtomicExpr(const AtomicExprNode *node) {
788
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 53837 diGenerator.setSourceLocation(node);
789
790 // If constant
791
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 53837 if (node->constant()) {
792
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 8982 const auto constantValue = std::any_cast<llvm::Constant *>(visit(node->constant()));
793
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 17964 return LLVMExprResult{.constant = constantValue};
794 }
795
796 // If value
797
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 44855 if (node->value())
798
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 10317 return visit(node->value());
799
800 // Is assign expression
801
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 34538 if (node->assignExpr())
802
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 479 return visit(node->assignExpr());
803
804 // Check for builtin calls
805
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 34059 if (node->printfCall())
806
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 579 return visit(node->printfCall());
807
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 33480 if (node->sizeofCall())
808
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 119 return visit(node->sizeofCall());
809
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 33361 if (node->alignofCall())
810
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 11 return visit(node->alignofCall());
811
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 33350 if (node->lenCall())
812
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 35 return visit(node->lenCall());
813
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 33315 if (node->panicCall())
814
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 348 return visit(node->panicCall());
815
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 32967 if (node->sysCall())
816
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 1 return visit(node->sysCall());
817
818 // Identifier (local or global variable access)
819
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 32966 assert(!node->identifierFragments.empty());
820
821 // Get symbol table entry
822
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 32966 const auto &[varEntry, accessScope, capture] = node->data.at(manIdx);
823
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 32966 assert(varEntry != nullptr);
824
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 32966 assert(accessScope != nullptr);
825
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 32966 const QualType varSymbolType = varEntry->getQualType();
826
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 32966 llvm::Type *varType = varSymbolType.toLLVMType(sourceFile);
827
828 // Check if external global variable
829
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 32966 if (varEntry->global && accessScope->isImportedBy(rootScope)) {
830 // External global variables need to be declared and allocated in the current module
831
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 53 llvm::Value *varAddress = module->getOrInsertGlobal(varEntry->name, varType);
832
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 53 varEntry->updateAddress(varAddress);
833 }
834
835 // Check if enum item
836
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 32966 if (accessScope->type == ScopeType::ENUM) {
837
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 231 const auto itemNode = spice_pointer_cast<const EnumItemNode *>(varEntry->declNode);
838
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 231 llvm::Constant *constantItemValue = llvm::ConstantInt::get(varType, itemNode->itemValue);
839
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 462 return LLVMExprResult{.constant = constantItemValue, .entry = varEntry};
840 }
841
842
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 32735 llvm::Value *address = varEntry->getAddress();
843
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 32735 assert(address != nullptr);
844
845 // If this is a function/procedure reference, return it as value
846
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 32735 if (varEntry->global && varSymbolType.isOneOf({TY_FUNCTION, TY_PROCEDURE})) {
847
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 4 llvm::Value *fatPtr = buildFatFctPtr(nullptr, nullptr, address);
848
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 8 return LLVMExprResult{.ptr = fatPtr, .entry = varEntry};
849 }
850
851 // Load the address of the referenced variable
852
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 32731 if (varSymbolType.isRef() || (capture && capture->getMode() == BY_REFERENCE))
853
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 4690 return LLVMExprResult{.refPtr = address, .entry = varEntry};
854
855
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 60772 return LLVMExprResult{.ptr = address, .entry = varEntry};
856 }
857
858 } // namespace spice::compiler
859