[llvm] r206828 - Use unique_ptr to handle ownership of Value*s in Cloning unit tests.
David Blaikie
dblaikie at gmail.com
Mon Apr 21 18:39:01 PDT 2014
Will be able to have a look in a few hours. Feel free to revert in the
interim.
On Apr 21, 2014 6:03 PM, "Quentin Colombet" <qcolombet at apple.com> wrote:
> Hi David,
>
> Looks like your commit broke some bots:
>
> http://lab.llvm.org:8013/builders/clang-x86_64-darwin11-nobootstrap-RAincremental/builds/14682
>
> ******************** TEST 'LLVM-Unit :: Transforms/Utils/Release+Asserts/UtilsTests/CloneInstruction.Exact' FAILED ********************
> Note: Google Test filter = CloneInstruction.Exact
> [==========] Running 1 test from 1 test case.
> [----------] Global test environment set-up.
> [----------] 1 test from CloneInstruction
> [ RUN ] CloneInstruction.Exact
> UtilsTests(60096) malloc: *** error for object 0x104f036c0: pointer being freed was not allocated
> *** set a breakpoint in malloc_error_break to debug
> 0 UtilsTests 0x0000000104d9ee48 llvm::sys::PrintStackTrace(__sFILE*) + 40
> 1 UtilsTests 0x0000000104d9f324 _ZL13SignalHandleri + 564
> 2 libsystem_c.dylib 0x00007fff94461cfa _sigtramp + 26
> 3 libsystem_c.dylib 0x0000000000000190 _sigtramp + 1807344816
> 4 libsystem_c.dylib 0x00007fff9445f84c free + 389
> 5 UtilsTests 0x0000000104cbc2c0 std::__1::__tree<std::__1::unique_ptr<llvm::Value, std::__1::default_delete<llvm::Value> >, std::__1::less<std::__1::unique_ptr<llvm::Value, std::__1::default_delete<llvm::Value> > >, std::__1::allocator<std::__1::unique_ptr<llvm::Value, std::__1::default_delete<llvm::Value> > > >::destroy(std::__1::__tree_node<std::__1::unique_ptr<llvm::Value, std::__1::default_delete<llvm::Value> >, void*>*) + 64
> 6 UtilsTests 0x0000000104cb46e0 (anonymous namespace)::CloneInstruction::TearDown() + 64
> 7 UtilsTests 0x0000000104ccfed0 testing::TestInfo::Run() + 832
> 8 UtilsTests 0x0000000104cd0430 testing::TestCase::Run() + 448
> 9 UtilsTests 0x0000000104cd75d5 testing::internal::UnitTestImpl::RunAllTests() + 1317
> 10 UtilsTests 0x0000000104cd709a testing::UnitTest::Run() + 106
> 11 UtilsTests 0x0000000104ce5061 main + 65
> 12 UtilsTests 0x0000000104cacd54 start + 52
> 13 UtilsTests 0x0000000000000002 start + 4214567650
>
> ********************
>
>
>
> Could you take a look please?
>
> Thanks,
> -Quentin
>
> On Apr 21, 2014, at 4:47 PM, David Blaikie <dblaikie at gmail.com> wrote:
>
> Author: dblaikie
> Date: Mon Apr 21 18:47:47 2014
> New Revision: 206828
>
> URL: http://llvm.org/viewvc/llvm-project?rev=206828&view=rev
> Log:
> Use unique_ptr to handle ownership of Value*s in Cloning unit tests.
>
> Modified:
> llvm/trunk/unittests/Transforms/Utils/Cloning.cpp
>
> Modified: llvm/trunk/unittests/Transforms/Utils/Cloning.cpp
> URL:
> http://llvm.org/viewvc/llvm-project/llvm/trunk/unittests/Transforms/Utils/Cloning.cpp?rev=206828&r1=206827&r2=206828&view=diff
>
> ==============================================================================
> --- llvm/trunk/unittests/Transforms/Utils/Cloning.cpp (original)
> +++ llvm/trunk/unittests/Transforms/Utils/Cloning.cpp Mon Apr 21 18:47:47
> 2014
> @@ -10,7 +10,6 @@
> #include "llvm/Transforms/Utils/Cloning.h"
> #include "llvm/ADT/ArrayRef.h"
> #include "llvm/ADT/STLExtras.h"
> -#include "llvm/ADT/SmallPtrSet.h"
> #include "llvm/IR/Argument.h"
> #include "llvm/IR/Constant.h"
> #include "llvm/IR/DebugInfo.h"
> @@ -25,6 +24,8 @@
> #include "llvm/IR/LLVMContext.h"
> #include "gtest/gtest.h"
>
> +#include <set>
> +
> using namespace llvm;
>
> namespace {
> @@ -38,34 +39,38 @@ protected:
> template <typename T>
> T *clone(T *V1) {
> Value *V2 = V1->clone();
> - Orig.insert(V1);
> - Clones.insert(V2);
> + std::unique_ptr<Value> V(V1);
> + if (!Orig.insert(std::move(V)).second)
> + V.release(); // this wasn't the first time we added the element, so
> the
> + // set already had ownership
> + Clones.insert(std::unique_ptr<Value>(V2));
> return cast<T>(V2);
> }
>
> - void eraseClones() {
> - DeleteContainerPointers(Clones);
> - }
> + void eraseClones() { Clones.clear(); }
>
> virtual void TearDown() {
> eraseClones();
> - DeleteContainerPointers(Orig);
> - delete V;
> + Orig.clear();
> + V.reset();
> }
>
> - SmallPtrSet<Value *, 4> Orig; // Erase on exit
> - SmallPtrSet<Value *, 4> Clones; // Erase in eraseClones
> + std::set<std::unique_ptr<Value>> Orig; // Erase on exit
> + std::set<std::unique_ptr<Value>> Clones; // Erase in eraseClones
>
> LLVMContext context;
> - Value *V;
> + std::unique_ptr<Value> V;
> };
>
> TEST_F(CloneInstruction, OverflowBits) {
> - V = new Argument(Type::getInt32Ty(context));
> + V = make_unique<Argument>(Type::getInt32Ty(context));
>
> - BinaryOperator *Add = BinaryOperator::Create(Instruction::Add, V, V);
> - BinaryOperator *Sub = BinaryOperator::Create(Instruction::Sub, V, V);
> - BinaryOperator *Mul = BinaryOperator::Create(Instruction::Mul, V, V);
> + BinaryOperator *Add =
> + BinaryOperator::Create(Instruction::Add, V.get(), V.get());
> + BinaryOperator *Sub =
> + BinaryOperator::Create(Instruction::Sub, V.get(), V.get());
> + BinaryOperator *Mul =
> + BinaryOperator::Create(Instruction::Mul, V.get(), V.get());
>
> BinaryOperator *AddClone = this->clone(Add);
> BinaryOperator *SubClone = this->clone(Sub);
> @@ -131,12 +136,12 @@ TEST_F(CloneInstruction, OverflowBits) {
> }
>
> TEST_F(CloneInstruction, Inbounds) {
> - V = new Argument(Type::getInt32PtrTy(context));
> + V = make_unique<Argument>(Type::getInt32PtrTy(context));
>
> Constant *Z = Constant::getNullValue(Type::getInt32Ty(context));
> std::vector<Value *> ops;
> ops.push_back(Z);
> - GetElementPtrInst *GEP = GetElementPtrInst::Create(V, ops);
> + GetElementPtrInst *GEP = GetElementPtrInst::Create(V.get(), ops);
> EXPECT_FALSE(this->clone(GEP)->isInBounds());
>
> GEP->setIsInBounds();
> @@ -144,9 +149,10 @@ TEST_F(CloneInstruction, Inbounds) {
> }
>
> TEST_F(CloneInstruction, Exact) {
> - V = new Argument(Type::getInt32Ty(context));
> + V = make_unique<Argument>(Type::getInt32Ty(context));
>
> - BinaryOperator *SDiv = BinaryOperator::Create(Instruction::SDiv, V, V);
> + BinaryOperator *SDiv =
> + BinaryOperator::Create(Instruction::SDiv, V.get(), V.get());
> EXPECT_FALSE(this->clone(SDiv)->isExact());
>
> SDiv->setIsExact(true);
>
>
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