1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
32
33
34
35
36
37
38
39
40
41
42
43
44
45
46
47
48
49
50
51
52
53
54
55
56
57
58
59
60
61
62
63
64
65
66
67
68
69
70
71
72
73
74
75
76
77
78
79
80
81
82
83
84
85
86
87
88
89
90
91
92
93
94
95
96
97
98
99
100
101
102
103
104
105
106
107
108
109
110
111
112
113
114
115
116
117
118
119
120
121
122
123
124
125
|
//===- PassManagerTest.cpp - PassManager unit tests -----------------------===//
//
// Part of the LLVM Project, under the Apache License v2.0 with LLVM Exceptions.
// See https://llvm.org/LICENSE.txt for license information.
// SPDX-License-Identifier: Apache-2.0 WITH LLVM-exception
//
//===----------------------------------------------------------------------===//
#include "mlir/Pass/PassManager.h"
#include "mlir/IR/Builders.h"
#include "mlir/IR/BuiltinOps.h"
#include "mlir/Pass/Pass.h"
#include "gtest/gtest.h"
using namespace mlir;
using namespace mlir::detail;
namespace {
/// Analysis that operates on any operation.
struct GenericAnalysis {
GenericAnalysis(Operation *op) : isFunc(isa<FuncOp>(op)) {}
const bool isFunc;
};
/// Analysis that operates on a specific operation.
struct OpSpecificAnalysis {
OpSpecificAnalysis(FuncOp op) : isSecret(op.getName() == "secret") {}
const bool isSecret;
};
/// Simple pass to annotate a FuncOp with the results of analysis.
/// Note: not using FunctionPass as it skip external functions.
struct AnnotateFunctionPass
: public PassWrapper<AnnotateFunctionPass, OperationPass<FuncOp>> {
void runOnOperation() override {
FuncOp op = getOperation();
Builder builder(op->getParentOfType<ModuleOp>());
auto &ga = getAnalysis<GenericAnalysis>();
auto &sa = getAnalysis<OpSpecificAnalysis>();
op->setAttr("isFunc", builder.getBoolAttr(ga.isFunc));
op->setAttr("isSecret", builder.getBoolAttr(sa.isSecret));
}
};
TEST(PassManagerTest, OpSpecificAnalysis) {
MLIRContext context;
Builder builder(&context);
// Create a module with 2 functions.
OwningModuleRef module(ModuleOp::create(UnknownLoc::get(&context)));
for (StringRef name : {"secret", "not_secret"}) {
FuncOp func =
FuncOp::create(builder.getUnknownLoc(), name,
builder.getFunctionType(llvm::None, llvm::None));
func.setPrivate();
module->push_back(func);
}
// Instantiate and run our pass.
PassManager pm(&context);
pm.addNestedPass<FuncOp>(std::make_unique<AnnotateFunctionPass>());
LogicalResult result = pm.run(module.get());
EXPECT_TRUE(succeeded(result));
// Verify that each function got annotated with expected attributes.
for (FuncOp func : module->getOps<FuncOp>()) {
ASSERT_TRUE(func->getAttr("isFunc").isa<BoolAttr>());
EXPECT_TRUE(func->getAttr("isFunc").cast<BoolAttr>().getValue());
bool isSecret = func.getName() == "secret";
ASSERT_TRUE(func->getAttr("isSecret").isa<BoolAttr>());
EXPECT_EQ(func->getAttr("isSecret").cast<BoolAttr>().getValue(), isSecret);
}
}
namespace {
struct InvalidPass : Pass {
InvalidPass() : Pass(TypeID::get<InvalidPass>(), StringRef("invalid_op")) {}
StringRef getName() const override { return "Invalid Pass"; }
void runOnOperation() override {}
/// A clone method to create a copy of this pass.
std::unique_ptr<Pass> clonePass() const override {
return std::make_unique<InvalidPass>(
*static_cast<const InvalidPass *>(this));
}
};
} // anonymous namespace
TEST(PassManagerTest, InvalidPass) {
MLIRContext context;
context.allowUnregisteredDialects();
// Create a module
OwningModuleRef module(ModuleOp::create(UnknownLoc::get(&context)));
// Add a single "invalid_op" operation
OpBuilder builder(&module->getBodyRegion());
OperationState state(UnknownLoc::get(&context), "invalid_op");
builder.insert(Operation::create(state));
// Register a diagnostic handler to capture the diagnostic so that we can
// check it later.
std::unique_ptr<Diagnostic> diagnostic;
context.getDiagEngine().registerHandler([&](Diagnostic &diag) {
diagnostic.reset(new Diagnostic(std::move(diag)));
});
// Instantiate and run our pass.
PassManager pm(&context);
pm.nest("invalid_op").addPass(std::make_unique<InvalidPass>());
LogicalResult result = pm.run(module.get());
EXPECT_TRUE(failed(result));
ASSERT_TRUE(diagnostic.get() != nullptr);
EXPECT_EQ(
diagnostic->str(),
"'invalid_op' op trying to schedule a pass on an unregistered operation");
// Check that adding the pass at the top-level triggers a fatal error.
ASSERT_DEATH(pm.addPass(std::make_unique<InvalidPass>()), "");
}
} // end namespace
|
