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Free memory leak on duplicate interface registration 

I guess this is why we should use unique_ptr as much as possible.
Also fix the InterfaceAttachmentTest.cpp test.

Differential Revision: https://reviews.llvm.org/D110984
This commit is contained in:
Mehdi Amini 2021-10-02 05:16:44 +00:00
parent 9452ec722c
commit db79f4a2e9
2 changed files with 20 additions and 16 deletions
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1
mlir/lib/Support/InterfaceSupport.cpp
View File

@ -28,6 +28,7 @@ void detail::InterfaceMap::insert(
});
if (it != interfaces.end() && it->first == id) {
LLVM_DEBUG(llvm::dbgs() << "Ignoring repeated interface registration");
free(element.second);
continue;
}
interfaces.insert(it, element);

33
mlir/unittests/IR/InterfaceAttachmentTest.cpp
View File

@ -20,6 +20,7 @@
#include "../../test/lib/Dialect/Test/TestAttributes.h"
#include "../../test/lib/Dialect/Test/TestDialect.h"
#include "../../test/lib/Dialect/Test/TestTypes.h"
#include "mlir/IR/OwningOpRef.h"
using namespace mlir;
using namespace test;
@ -291,12 +292,12 @@ TEST(InterfaceAttachment, Operation) {
MLIRContext context;
// Initially, the operation doesn't have the interface.
auto moduleOp = ModuleOp::create(UnknownLoc::get(&context));
ASSERT_FALSE(isa<TestExternalOpInterface>(moduleOp.getOperation()));
OwningOpRef<ModuleOp> moduleOp = ModuleOp::create(UnknownLoc::get(&context));
ASSERT_FALSE(isa<TestExternalOpInterface>(moduleOp->getOperation()));
// We can attach an external interface and now the operaiton has it.
ModuleOp::attachInterface<TestExternalOpModel>(context);
auto iface = dyn_cast<TestExternalOpInterface>(moduleOp.getOperation());
auto iface = dyn_cast<TestExternalOpInterface>(moduleOp->getOperation());
ASSERT_TRUE(iface != nullptr);
EXPECT_EQ(iface.getNameLengthPlusArg(10), 24u);
EXPECT_EQ(iface.getNameLengthTimesArg(3), 42u);
@ -304,11 +305,12 @@ TEST(InterfaceAttachment, Operation) {
EXPECT_EQ(iface.getNameLengthMinusArg(5), 9u);
// Default implementation can be overridden.
auto funcOp = FuncOp::create(UnknownLoc::get(&context), "function",
OwningOpRef<FuncOp> funcOp =
FuncOp::create(UnknownLoc::get(&context), "function",
FunctionType::get(&context, {}, {}));
ASSERT_FALSE(isa<TestExternalOpInterface>(funcOp.getOperation()));
ASSERT_FALSE(isa<TestExternalOpInterface>(funcOp->getOperation()));
FuncOp::attachInterface<TestExternalOpOverridingModel>(context);
iface = dyn_cast<TestExternalOpInterface>(funcOp.getOperation());
iface = dyn_cast<TestExternalOpInterface>(funcOp->getOperation());
ASSERT_TRUE(iface != nullptr);
EXPECT_EQ(iface.getNameLengthPlusArg(10), 22u);
EXPECT_EQ(iface.getNameLengthTimesArg(0), 42u);
@ -317,8 +319,9 @@ TEST(InterfaceAttachment, Operation) {
// Another context doesn't have the interfaces registered.
MLIRContext other;
auto otherModuleOp = ModuleOp::create(UnknownLoc::get(&other));
ASSERT_FALSE(isa<TestExternalOpInterface>(otherModuleOp.getOperation()));
OwningOpRef<ModuleOp> otherModuleOp =
ModuleOp::create(UnknownLoc::get(&other));
ASSERT_FALSE(isa<TestExternalOpInterface>(otherModuleOp->getOperation()));
}
template <class ConcreteOp>
@ -346,8 +349,8 @@ TEST(InterfaceAttachment, OperationDelayedContextConstruct) {
MLIRContext context(registry);
context.loadDialect<test::TestDialect>();
ModuleOp module = ModuleOp::create(UnknownLoc::get(&context));
OpBuilder builder(module);
OwningOpRef<ModuleOp> module = ModuleOp::create(UnknownLoc::get(&context));
OpBuilder builder(module->getBody(), module->getBody()->begin());
auto opJ =
builder.create<test::OpJ>(builder.getUnknownLoc(), builder.getI32Type());
auto opH =
@ -355,7 +358,7 @@ TEST(InterfaceAttachment, OperationDelayedContextConstruct) {
auto opI =
builder.create<test::OpI>(builder.getUnknownLoc(), opJ.getResult());
EXPECT_TRUE(isa<TestExternalOpInterface>(module.getOperation()));
EXPECT_TRUE(isa<TestExternalOpInterface>(module->getOperation()));
EXPECT_TRUE(isa<TestExternalOpInterface>(opJ.getOperation()));
EXPECT_TRUE(isa<TestExternalOpInterface>(opH.getOperation()));
EXPECT_FALSE(isa<TestExternalOpInterface>(opI.getOperation()));
@ -373,8 +376,8 @@ TEST(InterfaceAttachment, OperationDelayedContextAppend) {
MLIRContext context;
context.loadDialect<test::TestDialect>();
ModuleOp module = ModuleOp::create(UnknownLoc::get(&context));
OpBuilder builder(module);
OwningOpRef<ModuleOp> module = ModuleOp::create(UnknownLoc::get(&context));
OpBuilder builder(module->getBody(), module->getBody()->begin());
auto opJ =
builder.create<test::OpJ>(builder.getUnknownLoc(), builder.getI32Type());
auto opH =
@ -382,14 +385,14 @@ TEST(InterfaceAttachment, OperationDelayedContextAppend) {
auto opI =
builder.create<test::OpI>(builder.getUnknownLoc(), opJ.getResult());
EXPECT_FALSE(isa<TestExternalOpInterface>(module.getOperation()));
EXPECT_FALSE(isa<TestExternalOpInterface>(module->getOperation()));
EXPECT_FALSE(isa<TestExternalOpInterface>(opJ.getOperation()));
EXPECT_FALSE(isa<TestExternalOpInterface>(opH.getOperation()));
EXPECT_FALSE(isa<TestExternalOpInterface>(opI.getOperation()));
context.appendDialectRegistry(registry);
EXPECT_TRUE(isa<TestExternalOpInterface>(module.getOperation()));
EXPECT_TRUE(isa<TestExternalOpInterface>(module->getOperation()));
EXPECT_TRUE(isa<TestExternalOpInterface>(opJ.getOperation()));
EXPECT_TRUE(isa<TestExternalOpInterface>(opH.getOperation()));
EXPECT_FALSE(isa<TestExternalOpInterface>(opI.getOperation()));