diff options
| author | Igor Laevsky <igmyrj@gmail.com> | 2017-12-13 11:47:35 +0000 |
|---|---|---|
| committer | Igor Laevsky <igmyrj@gmail.com> | 2017-12-13 11:47:35 +0000 |
| commit | 95edead4fe428299acc43c01526c81800aeaad4a (patch) | |
| tree | 64da681433c28fc7ee679c79438d7003c575a2eb /unittests | |
| parent | 033683a63fc1e74deace77962a3d79fc8040e5dc (diff) | |
[FuzzMutate] Avoid zero sized aggregates
Differential Revision: https://reviews.llvm.org/D41110
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@320572 91177308-0d34-0410-b5e6-96231b3b80d8
Diffstat (limited to 'unittests')
| -rw-r--r-- | unittests/FuzzMutate/OperationsTest.cpp | 10 |
1 files changed, 8 insertions, 2 deletions
diff --git a/unittests/FuzzMutate/OperationsTest.cpp b/unittests/FuzzMutate/OperationsTest.cpp index be1789e9475..0fc6b2c2aeb 100644 --- a/unittests/FuzzMutate/OperationsTest.cpp +++ b/unittests/FuzzMutate/OperationsTest.cpp @@ -336,6 +336,7 @@ TEST(OperationsTest, ExtractAndInsertValue) { Type *StructTy = StructType::create(Ctx, {Int8PtrTy, Int32Ty}); Type *OpaqueTy = StructType::create(Ctx, "OpaqueStruct"); + Type *ZeroSizedArrayTy = ArrayType::get(Int64Ty, 0); Type *ArrayTy = ArrayType::get(Int64Ty, 4); Type *VectorTy = VectorType::get(Int32Ty, 2); @@ -346,17 +347,22 @@ TEST(OperationsTest, ExtractAndInsertValue) { Constant *SVal = UndefValue::get(StructTy); Constant *OVal = UndefValue::get(OpaqueTy); Constant *AVal = UndefValue::get(ArrayTy); + Constant *ZAVal = UndefValue::get(ZeroSizedArrayTy); Constant *VVal = UndefValue::get(VectorTy); EXPECT_TRUE(EVOp.SourcePreds[0].matches({}, SVal)); - EXPECT_TRUE(EVOp.SourcePreds[0].matches({}, OVal)); + EXPECT_FALSE(EVOp.SourcePreds[0].matches({}, OVal)); EXPECT_TRUE(EVOp.SourcePreds[0].matches({}, AVal)); EXPECT_FALSE(EVOp.SourcePreds[0].matches({}, VVal)); EXPECT_TRUE(IVOp.SourcePreds[0].matches({}, SVal)); - EXPECT_TRUE(IVOp.SourcePreds[0].matches({}, OVal)); + EXPECT_FALSE(IVOp.SourcePreds[0].matches({}, OVal)); EXPECT_TRUE(IVOp.SourcePreds[0].matches({}, AVal)); EXPECT_FALSE(IVOp.SourcePreds[0].matches({}, VVal)); + // Don't consider zero sized arrays as viable sources + EXPECT_FALSE(EVOp.SourcePreds[0].matches({}, ZAVal)); + EXPECT_FALSE(IVOp.SourcePreds[0].matches({}, ZAVal)); + // Make sure we're range checking appropriately. EXPECT_TRUE( EVOp.SourcePreds[1].matches({SVal}, ConstantInt::get(Int32Ty, 0))); |