summaryrefslogtreecommitdiffstats
path: root/clang/test/Analysis
diff options
context:
space:
mode:
Diffstat (limited to 'clang/test/Analysis')
-rw-r--r--clang/test/Analysis/temp-obj-dtors-cfg-output.cpp535
-rw-r--r--clang/test/Analysis/temporaries.cpp173
2 files changed, 433 insertions, 275 deletions
diff --git a/clang/test/Analysis/temp-obj-dtors-cfg-output.cpp b/clang/test/Analysis/temp-obj-dtors-cfg-output.cpp
index 5fb33d36b85..92d185eaf4b 100644
--- a/clang/test/Analysis/temp-obj-dtors-cfg-output.cpp
+++ b/clang/test/Analysis/temp-obj-dtors-cfg-output.cpp
@@ -324,7 +324,7 @@ int testConsistencyNestedNormalReturn(bool value) {
// CHECK: [B3]
// CHECK: 1: [B5.8] && [B4.5]
// CHECK: 2: [B5.3]([B3.1])
-// CHECK: T: (Temp Dtor) [B5.8] && ...
+// CHECK: T: (Temp Dtor) [B4.2]
// CHECK: Preds (2): B4 B5
// CHECK: Succs (2): B2 B1
// CHECK: [B4]
@@ -354,7 +354,7 @@ int testConsistencyNestedNormalReturn(bool value) {
// CHECK: [B7]
// CHECK: 1: [B9.5] && [B8.5]
// CHECK: 2: bool a = A() && B();
-// CHECK: T: (Temp Dtor) [B9.5] && ...
+// CHECK: T: (Temp Dtor) [B8.2]
// CHECK: Preds (2): B8 B9
// CHECK: Succs (2): B6 B5
// CHECK: [B8]
@@ -390,9 +390,9 @@ int testConsistencyNestedNormalReturn(bool value) {
// CHECK: [B3]
// CHECK: 1: [B5.8] || [B4.5]
// CHECK: 2: [B5.3]([B3.1])
-// CHECK: T: (Temp Dtor) [B5.8] || ...
+// CHECK: T: (Temp Dtor) [B4.2]
// CHECK: Preds (2): B4 B5
-// CHECK: Succs (2): B1 B2
+// CHECK: Succs (2): B2 B1
// CHECK: [B4]
// CHECK: 1: B() (CXXConstructExpr, class B)
// CHECK: 2: [B4.1] (BindTemporary)
@@ -420,9 +420,9 @@ int testConsistencyNestedNormalReturn(bool value) {
// CHECK: [B7]
// CHECK: 1: [B9.5] || [B8.5]
// CHECK: 2: bool a = A() || B();
-// CHECK: T: (Temp Dtor) [B9.5] || ...
+// CHECK: T: (Temp Dtor) [B8.2]
// CHECK: Preds (2): B8 B9
-// CHECK: Succs (2): B5 B6
+// CHECK: Succs (2): B6 B5
// CHECK: [B8]
// CHECK: 1: B() (CXXConstructExpr, class B)
// CHECK: 2: [B8.1] (BindTemporary)
@@ -442,11 +442,11 @@ int testConsistencyNestedNormalReturn(bool value) {
// CHECK: Succs (2): B7 B8
// CHECK: [B0 (EXIT)]
// CHECK: Preds (1): B1
-// CHECK: [B11 (ENTRY)]
-// CHECK: Succs (1): B10
+// CHECK: [B12 (ENTRY)]
+// CHECK: Succs (1): B11
// CHECK: [B1]
// CHECK: 1: int b;
-// CHECK: 2: [B7.5].~A() (Implicit destructor)
+// CHECK: 2: [B8.5].~A() (Implicit destructor)
// CHECK: Preds (2): B2 B3
// CHECK: Succs (1): B0
// CHECK: [B2]
@@ -477,63 +477,66 @@ int testConsistencyNestedNormalReturn(bool value) {
// CHECK: [B5]
// CHECK: 1: ~A() (Temporary object destructor)
// CHECK: 2: ~A() (Temporary object destructor)
-// CHECK: Preds (1): B7
+// CHECK: Preds (1): B6
// CHECK: Succs (1): B4
// CHECK: [B6]
+// CHECK: T: (Temp Dtor) [B9.2]
+// CHECK: Preds (2): B7 B8
+// CHECK: Succs (2): B5 B4
+// CHECK: [B7]
// CHECK: 1: ~A() (Temporary object destructor)
// CHECK: 2: ~A() (Temporary object destructor)
// CHECK: 3: ~A() (Temporary object destructor)
// CHECK: 4: ~B() (Temporary object destructor)
-// CHECK: Preds (1): B7
-// CHECK: Succs (1): B4
-// CHECK: [B7]
-// CHECK: 1: [B10.5] ? [B8.6] : [B9.15]
-// CHECK: 2: [B7.1] (ImplicitCastExpr, NoOp, const class A)
-// CHECK: 3: [B7.2]
-// CHECK: 4: [B7.3] (CXXConstructExpr, class A)
-// CHECK: 5: A a = B() ? A() : A(B());
-// CHECK: T: (Temp Dtor) [B10.5] ? ... : ...
-// CHECK: Preds (2): B8 B9
-// CHECK: Succs (2): B5 B6
+// CHECK: Preds (1): B8
+// CHECK: Succs (1): B6
// CHECK: [B8]
-// CHECK: 1: A() (CXXConstructExpr, class A)
-// CHECK: 2: [B8.1] (BindTemporary)
-// CHECK: 3: [B8.2] (ImplicitCastExpr, NoOp, const class A)
-// CHECK: 4: [B8.3]
-// CHECK: 5: [B8.4] (CXXConstructExpr, class A)
-// CHECK: 6: [B8.5] (BindTemporary)
-// CHECK: Preds (1): B10
-// CHECK: Succs (1): B7
+// CHECK: 1: [B11.5] ? [B9.6] : [B10.15]
+// CHECK: 2: [B8.1] (ImplicitCastExpr, NoOp, const class A)
+// CHECK: 3: [B8.2]
+// CHECK: 4: [B8.3] (CXXConstructExpr, class A)
+// CHECK: 5: A a = B() ? A() : A(B());
+// CHECK: T: (Temp Dtor) [B10.2]
+// CHECK: Preds (2): B9 B10
+// CHECK: Succs (2): B7 B6
// CHECK: [B9]
-// CHECK: 1: B() (CXXConstructExpr, class B)
+// CHECK: 1: A() (CXXConstructExpr, class A)
// CHECK: 2: [B9.1] (BindTemporary)
-// CHECK: 3: [B9.2].operator A
-// CHECK: 4: [B9.2]
-// CHECK: 5: [B9.4] (ImplicitCastExpr, UserDefinedConversion, class A)
+// CHECK: 3: [B9.2] (ImplicitCastExpr, NoOp, const class A)
+// CHECK: 4: [B9.3]
+// CHECK: 5: [B9.4] (CXXConstructExpr, class A)
// CHECK: 6: [B9.5] (BindTemporary)
-// CHECK: 7: [B9.6] (ImplicitCastExpr, NoOp, const class A)
-// CHECK: 8: [B9.7]
-// CHECK: 9: [B9.8] (CXXConstructExpr, class A)
-// CHECK: 10: [B9.9] (BindTemporary)
-// CHECK: 11: A([B9.10]) (CXXFunctionalCastExpr, ConstructorConversion, class A)
-// CHECK: 12: [B9.11] (ImplicitCastExpr, NoOp, const class A)
-// CHECK: 13: [B9.12]
-// CHECK: 14: [B9.13] (CXXConstructExpr, class A)
-// CHECK: 15: [B9.14] (BindTemporary)
-// CHECK: Preds (1): B10
-// CHECK: Succs (1): B7
+// CHECK: Preds (1): B11
+// CHECK: Succs (1): B8
// CHECK: [B10]
// CHECK: 1: B() (CXXConstructExpr, class B)
// CHECK: 2: [B10.1] (BindTemporary)
-// CHECK: 3: [B10.2].operator bool
+// CHECK: 3: [B10.2].operator A
// CHECK: 4: [B10.2]
-// CHECK: 5: [B10.4] (ImplicitCastExpr, UserDefinedConversion, _Bool)
-// CHECK: T: [B10.5] ? ... : ...
+// CHECK: 5: [B10.4] (ImplicitCastExpr, UserDefinedConversion, class A)
+// CHECK: 6: [B10.5] (BindTemporary)
+// CHECK: 7: [B10.6] (ImplicitCastExpr, NoOp, const class A)
+// CHECK: 8: [B10.7]
+// CHECK: 9: [B10.8] (CXXConstructExpr, class A)
+// CHECK: 10: [B10.9] (BindTemporary)
+// CHECK: 11: A([B10.10]) (CXXFunctionalCastExpr, ConstructorConversion, class A)
+// CHECK: 12: [B10.11] (ImplicitCastExpr, NoOp, const class A)
+// CHECK: 13: [B10.12]
+// CHECK: 14: [B10.13] (CXXConstructExpr, class A)
+// CHECK: 15: [B10.14] (BindTemporary)
// CHECK: Preds (1): B11
-// CHECK: Succs (2): B8 B9
+// CHECK: Succs (1): B8
+// CHECK: [B11]
+// CHECK: 1: B() (CXXConstructExpr, class B)
+// CHECK: 2: [B11.1] (BindTemporary)
+// CHECK: 3: [B11.2].operator bool
+// CHECK: 4: [B11.2]
+// CHECK: 5: [B11.4] (ImplicitCastExpr, UserDefinedConversion, _Bool)
+// CHECK: T: [B11.5] ? ... : ...
+// CHECK: Preds (1): B12
+// CHECK: Succs (2): B9 B10
// CHECK: [B0 (EXIT)]
// CHECK: Preds (1): B1
-// CHECK: C() : b_(true)
// CHECK: [B2 (ENTRY)]
// CHECK: Succs (1): B1
// CHECK: [B1]
@@ -543,12 +546,10 @@ int testConsistencyNestedNormalReturn(bool value) {
// CHECK: Succs (1): B0
// CHECK: [B0 (EXIT)]
// CHECK: Preds (1): B1
-// CHECK: ~C()
// CHECK: [B1 (ENTRY)]
// CHECK: Succs (1): B0
// CHECK: [B0 (EXIT)]
// CHECK: Preds (1): B1
-// CHECK: operator bool()
// CHECK: [B2 (ENTRY)]
// CHECK: Succs (1): B1
// CHECK: [B1]
@@ -560,7 +561,6 @@ int testConsistencyNestedNormalReturn(bool value) {
// CHECK: Succs (1): B0
// CHECK: [B0 (EXIT)]
// CHECK: Preds (1): B1
-// CHECK: D() : b_(true)
// CHECK: [B2 (ENTRY)]
// CHECK: Succs (1): B1
// CHECK: [B1]
@@ -570,7 +570,6 @@ int testConsistencyNestedNormalReturn(bool value) {
// CHECK: Succs (1): B0
// CHECK: [B0 (EXIT)]
// CHECK: Preds (1): B1
-// CHECK: operator bool()
// CHECK: [B2 (ENTRY)]
// CHECK: Succs (1): B1
// CHECK: [B1]
@@ -582,7 +581,6 @@ int testConsistencyNestedNormalReturn(bool value) {
// CHECK: Succs (1): B0
// CHECK: [B0 (EXIT)]
// CHECK: Preds (1): B1
-// CHECK: int test_cond_unnamed_custom_destructor()
// CHECK: [B4 (ENTRY)]
// CHECK: Succs (1): B3
// CHECK: [B1]
@@ -607,7 +605,6 @@ int testConsistencyNestedNormalReturn(bool value) {
// CHECK: Succs (2): B2 B1
// CHECK: [B0 (EXIT)]
// CHECK: Preds (2): B1 B2
-// CHECK: int test_cond_named_custom_destructor()
// CHECK: [B5 (ENTRY)]
// CHECK: Succs (1): B4
// CHECK: [B1]
@@ -642,7 +639,6 @@ int testConsistencyNestedNormalReturn(bool value) {
// CHECK: Succs (2): B3 B2
// CHECK: [B0 (EXIT)]
// CHECK: Preds (3): B1 B2 B3
-// CHECK: int test_cond_unnamed_auto_destructor()
// CHECK: [B4 (ENTRY)]
// CHECK: Succs (1): B3
// CHECK: [B1]
@@ -665,7 +661,6 @@ int testConsistencyNestedNormalReturn(bool value) {
// CHECK: Succs (2): B2 B1
// CHECK: [B0 (EXIT)]
// CHECK: Preds (2): B1 B2
-// CHECK: int test_cond_named_auto_destructor()
// CHECK: [B4 (ENTRY)]
// CHECK: Succs (1): B3
// CHECK: [B1]
@@ -693,272 +688,285 @@ int testConsistencyNestedNormalReturn(bool value) {
// CHECK: Succs (2): B2 B1
// CHECK: [B0 (EXIT)]
// CHECK: Preds (2): B1 B2
-// CHECK: [B14 (ENTRY)]
-// CHECK: Succs (1): B13
+// CHECK: [B16 (ENTRY)]
+// CHECK: Succs (1): B15
// CHECK: [B1]
// CHECK: 1: ~B() (Temporary object destructor)
// CHECK: 2: int b;
-// CHECK: 3: [B10.4].~A() (Implicit destructor)
+// CHECK: 3: [B12.4].~A() (Implicit destructor)
// CHECK: Preds (2): B2 B3
// CHECK: Succs (1): B0
// CHECK: [B2]
// CHECK: 1: ~A() (Temporary object destructor)
// CHECK: 2: ~A() (Temporary object destructor)
-// CHECK: Preds (1): B4
+// CHECK: Preds (1): B3
// CHECK: Succs (1): B1
// CHECK: [B3]
+// CHECK: T: (Temp Dtor) [B6.2]
+// CHECK: Preds (2): B4 B5
+// CHECK: Succs (2): B2 B1
+// CHECK: [B4]
// CHECK: 1: ~A() (Temporary object destructor)
// CHECK: 2: ~A() (Temporary object destructor)
// CHECK: 3: ~A() (Temporary object destructor)
// CHECK: 4: ~B() (Temporary object destructor)
-// CHECK: Preds (1): B4
-// CHECK: Succs (1): B1
-// CHECK: [B4]
-// CHECK: 1: [B7.8] ? [B5.6] : [B6.15]
-// CHECK: 2: [B4.1] (ImplicitCastExpr, NoOp, const class A)
-// CHECK: 3: [B4.2]
-// CHECK: 4: [B7.3]([B4.3])
-// CHECK: T: (Temp Dtor) [B7.8] ? ... : ...
-// CHECK: Preds (2): B5 B6
-// CHECK: Succs (2): B2 B3
+// CHECK: Preds (1): B5
+// CHECK: Succs (1): B3
// CHECK: [B5]
-// CHECK: 1: A() (CXXConstructExpr, class A)
-// CHECK: 2: [B5.1] (BindTemporary)
-// CHECK: 3: [B5.2] (ImplicitCastExpr, NoOp, const class A)
-// CHECK: 4: [B5.3]
-// CHECK: 5: [B5.4] (CXXConstructExpr, class A)
-// CHECK: 6: [B5.5] (BindTemporary)
-// CHECK: Preds (1): B7
-// CHECK: Succs (1): B4
+// CHECK: 1: [B8.8] ? [B6.6] : [B7.15]
+// CHECK: 2: [B5.1] (ImplicitCastExpr, NoOp, const class A)
+// CHECK: 3: [B5.2]
+// CHECK: 4: [B8.3]([B5.3])
+// CHECK: T: (Temp Dtor) [B7.2]
+// CHECK: Preds (2): B6 B7
+// CHECK: Succs (2): B4 B3
// CHECK: [B6]
-// CHECK: 1: B() (CXXConstructExpr, class B)
+// CHECK: 1: A() (CXXConstructExpr, class A)
// CHECK: 2: [B6.1] (BindTemporary)
-// CHECK: 3: [B6.2].operator A
-// CHECK: 4: [B6.2]
-// CHECK: 5: [B6.4] (ImplicitCastExpr, UserDefinedConversion, class A)
+// CHECK: 3: [B6.2] (ImplicitCastExpr, NoOp, const class A)
+// CHECK: 4: [B6.3]
+// CHECK: 5: [B6.4] (CXXConstructExpr, class A)
// CHECK: 6: [B6.5] (BindTemporary)
-// CHECK: 7: [B6.6] (ImplicitCastExpr, NoOp, const class A)
-// CHECK: 8: [B6.7]
-// CHECK: 9: [B6.8] (CXXConstructExpr, class A)
-// CHECK: 10: [B6.9] (BindTemporary)
-// CHECK: 11: A([B6.10]) (CXXFunctionalCastExpr, ConstructorConversion, class A)
-// CHECK: 12: [B6.11] (ImplicitCastExpr, NoOp, const class A)
-// CHECK: 13: [B6.12]
-// CHECK: 14: [B6.13] (CXXConstructExpr, class A)
-// CHECK: 15: [B6.14] (BindTemporary)
-// CHECK: Preds (1): B7
-// CHECK: Succs (1): B4
+// CHECK: Preds (1): B8
+// CHECK: Succs (1): B5
// CHECK: [B7]
+// CHECK: 1: B() (CXXConstructExpr, class B)
+// CHECK: 2: [B7.1] (BindTemporary)
+// CHECK: 3: [B7.2].operator A
+// CHECK: 4: [B7.2]
+// CHECK: 5: [B7.4] (ImplicitCastExpr, UserDefinedConversion, class A)
+// CHECK: 6: [B7.5] (BindTemporary)
+// CHECK: 7: [B7.6] (ImplicitCastExpr, NoOp, const class A)
+// CHECK: 8: [B7.7]
+// CHECK: 9: [B7.8] (CXXConstructExpr, class A)
+// CHECK: 10: [B7.9] (BindTemporary)
+// CHECK: 11: A([B7.10]) (CXXFunctionalCastExpr, ConstructorConversion, class A)
+// CHECK: 12: [B7.11] (ImplicitCastExpr, NoOp, const class A)
+// CHECK: 13: [B7.12]
+// CHECK: 14: [B7.13] (CXXConstructExpr, class A)
+// CHECK: 15: [B7.14] (BindTemporary)
+// CHECK: Preds (1): B8
+// CHECK: Succs (1): B5
+// CHECK: [B8]
// CHECK: 1: ~B() (Temporary object destructor)
// CHECK: 2: foo
-// CHECK: 3: [B7.2] (ImplicitCastExpr, FunctionToPointerDecay, void (*)(const class A &))
+// CHECK: 3: [B8.2] (ImplicitCastExpr, FunctionToPointerDecay, void (*)(const class A &))
// CHECK: 4: B() (CXXConstructExpr, class B)
-// CHECK: 5: [B7.4] (BindTemporary)
-// CHECK: 6: [B7.5].operator bool
-// CHECK: 7: [B7.5]
-// CHECK: 8: [B7.7] (ImplicitCastExpr, UserDefinedConversion, _Bool)
-// CHECK: T: [B7.8] ? ... : ...
-// CHECK: Preds (2): B8 B9
-// CHECK: Succs (2): B5 B6
-// CHECK: [B8]
-// CHECK: 1: ~A() (Temporary object destructor)
-// CHECK: Preds (1): B10
-// CHECK: Succs (1): B7
+// CHECK: 5: [B8.4] (BindTemporary)
+// CHECK: 6: [B8.5].operator bool
+// CHECK: 7: [B8.5]
+// CHECK: 8: [B8.7] (ImplicitCastExpr, UserDefinedConversion, _Bool)
+// CHECK: T: [B8.8] ? ... : ...
+// CHECK: Preds (2): B9 B10
+// CHECK: Succs (2): B6 B7
// CHECK: [B9]
// CHECK: 1: ~A() (Temporary object destructor)
-// CHECK: 2: ~A() (Temporary object destructor)
-// CHECK: 3: ~B() (Temporary object destructor)
// CHECK: Preds (1): B10
-// CHECK: Succs (1): B7
+// CHECK: Succs (1): B8
// CHECK: [B10]
-// CHECK: 1: [B13.5] ? [B11.6] : [B12.15]
-// CHECK: 2: [B10.1] (ImplicitCastExpr, NoOp, const class A)
-// CHECK: 3: [B10.2]
-// CHECK: 4: const A &a = B() ? A() : A(B());
-// CHECK: T: (Temp Dtor) [B13.5] ? ... : ...
+// CHECK: T: (Temp Dtor) [B13.2]
// CHECK: Preds (2): B11 B12
-// CHECK: Succs (2): B8 B9
+// CHECK: Succs (2): B9 B8
// CHECK: [B11]
-// CHECK: 1: A() (CXXConstructExpr, class A)
-// CHECK: 2: [B11.1] (BindTemporary)
-// CHECK: 3: [B11.2] (ImplicitCastExpr, NoOp, const class A)
-// CHECK: 4: [B11.3]
-// CHECK: 5: [B11.4] (CXXConstructExpr, class A)
-// CHECK: 6: [B11.5] (BindTemporary)
-// CHECK: Preds (1): B13
+// CHECK: 1: ~A() (Temporary object destructor)
+// CHECK: 2: ~A() (Temporary object destructor)
+// CHECK: 3: ~B() (Temporary object destructor)
+// CHECK: Preds (1): B12
// CHECK: Succs (1): B10
// CHECK: [B12]
-// CHECK: 1: B() (CXXConstructExpr, class B)
-// CHECK: 2: [B12.1] (BindTemporary)
-// CHECK: 3: [B12.2].operator A
-// CHECK: 4: [B12.2]
-// CHECK: 5: [B12.4] (ImplicitCastExpr, UserDefinedConversion, class A)
-// CHECK: 6: [B12.5] (BindTemporary)
-// CHECK: 7: [B12.6] (ImplicitCastExpr, NoOp, const class A)
-// CHECK: 8: [B12.7]
-// CHECK: 9: [B12.8] (CXXConstructExpr, class A)
-// CHECK: 10: [B12.9] (BindTemporary)
-// CHECK: 11: A([B12.10]) (CXXFunctionalCastExpr, ConstructorConversion, class A)
-// CHECK: 12: [B12.11] (ImplicitCastExpr, NoOp, const class A)
-// CHECK: 13: [B12.12]
-// CHECK: 14: [B12.13] (CXXConstructExpr, class A)
-// CHECK: 15: [B12.14] (BindTemporary)
-// CHECK: Preds (1): B13
-// CHECK: Succs (1): B10
+// CHECK: 1: [B15.5] ? [B13.6] : [B14.15]
+// CHECK: 2: [B12.1] (ImplicitCastExpr, NoOp, const class A)
+// CHECK: 3: [B12.2]
+// CHECK: 4: const A &a = B() ? A() : A(B());
+// CHECK: T: (Temp Dtor) [B14.2]
+// CHECK: Preds (2): B13 B14
+// CHECK: Succs (2): B11 B10
// CHECK: [B13]
-// CHECK: 1: B() (CXXConstructExpr, class B)
+// CHECK: 1: A() (CXXConstructExpr, class A)
// CHECK: 2: [B13.1] (BindTemporary)
-// CHECK: 3: [B13.2].operator bool
-// CHECK: 4: [B13.2]
-// CHECK: 5: [B13.4] (ImplicitCastExpr, UserDefinedConversion, _Bool)
-// CHECK: T: [B13.5] ? ... : ...
-// CHECK: Preds (1): B14
-// CHECK: Succs (2): B11 B12
+// CHECK: 3: [B13.2] (ImplicitCastExpr, NoOp, const class A)
+// CHECK: 4: [B13.3]
+// CHECK: 5: [B13.4] (CXXConstructExpr, class A)
+// CHECK: 6: [B13.5] (BindTemporary)
+// CHECK: Preds (1): B15
+// CHECK: Succs (1): B12
+// CHECK: [B14]
+// CHECK: 1: B() (CXXConstructExpr, class B)
+// CHECK: 2: [B14.1] (BindTemporary)
+// CHECK: 3: [B14.2].operator A
+// CHECK: 4: [B14.2]
+// CHECK: 5: [B14.4] (ImplicitCastExpr, UserDefinedConversion, class A)
+// CHECK: 6: [B14.5] (BindTemporary)
+// CHECK: 7: [B14.6] (ImplicitCastExpr, NoOp, const class A)
+// CHECK: 8: [B14.7]
+// CHECK: 9: [B14.8] (CXXConstructExpr, class A)
+// CHECK: 10: [B14.9] (BindTemporary)
+// CHECK: 11: A([B14.10]) (CXXFunctionalCastExpr, ConstructorConversion, class A)
+// CHECK: 12: [B14.11] (ImplicitCastExpr, NoOp, const class A)
+// CHECK: 13: [B14.12]
+// CHECK: 14: [B14.13] (CXXConstructExpr, class A)
+// CHECK: 15: [B14.14] (BindTemporary)
+// CHECK: Preds (1): B15
+// CHECK: Succs (1): B12
+// CHECK: [B15]
+// CHECK: 1: B() (CXXConstructExpr, class B)
+// CHECK: 2: [B15.1] (BindTemporary)
+// CHECK: 3: [B15.2].operator bool
+// CHECK: 4: [B15.2]
+// CHECK: 5: [B15.4] (ImplicitCastExpr, UserDefinedConversion, _Bool)
+// CHECK: T: [B15.5] ? ... : ...
+// CHECK: Preds (1): B16
+// CHECK: Succs (2): B13 B14
// CHECK: [B0 (EXIT)]
// CHECK: Preds (1): B1
-// CHECK: [B8 (ENTRY)]
-// CHECK: Succs (1): B7
+// CHECK: [B9 (ENTRY)]
+// CHECK: Succs (1): B8
// CHECK: [B1]
-// CHECK: 1: ~A() (Temporary object destructor)
-// CHECK: 2: int b;
-// CHECK: 3: [B4.5].~A() (Implicit destructor)
+// CHECK: 1: int b;
+// CHECK: 2: [B5.5].~A() (Implicit destructor)
// CHECK: Preds (2): B2 B3
// CHECK: Succs (1): B0
// CHECK: [B2]
// CHECK: 1: ~A() (Temporary object destructor)
-// CHECK: Preds (1): B4
+// CHECK: Preds (1): B3
// CHECK: Succs (1): B1
// CHECK: [B3]
+// CHECK: T: (Temp Dtor) [B6.4]
+// CHECK: Preds (2): B4 B5
+// CHECK: Succs (2): B2 B1
+// CHECK: [B4]
// CHECK: 1: ~A() (Temporary object destructor)
// CHECK: 2: ~A() (Temporary object destructor)
-// CHECK: Preds (1): B4
-// CHECK: Succs (1): B1
-// CHECK: [B4]
-// CHECK: 1: [B7.2] ?: [B6.6]
-// CHECK: 2: [B4.1] (ImplicitCastExpr, NoOp, const class A)
-// CHECK: 3: [B4.2]
-// CHECK: 4: [B4.3] (CXXConstructExpr, class A)
-// CHECK: 5: A a = A() ?: A();
-// CHECK: T: (Temp Dtor) [B7.5] ? ... : ...
-// CHECK: Preds (2): B5 B6
-// CHECK: Succs (2): B2 B3
+// CHECK: Preds (1): B5
+// CHECK: Succs (1): B3
// CHECK: [B5]
-// CHECK: 1: [B7.2] (ImplicitCastExpr, NoOp, const class A)
-// CHECK: 2: [B5.1]
-// CHECK: 3: [B5.2] (CXXConstructExpr, class A)
-// CHECK: 4: [B5.3] (BindTemporary)
-// CHECK: Preds (1): B7
-// CHECK: Succs (1): B4
+// CHECK: 1: [B8.2] ?: [B7.6]
+// CHECK: 2: [B5.1] (ImplicitCastExpr, NoOp, const class A)
+// CHECK: 3: [B5.2]
+// CHECK: 4: [B5.3] (CXXConstructExpr, class A)
+// CHECK: 5: A a = A() ?: A();
+// CHECK: T: (Temp Dtor) [B7.2]
+// CHECK: Preds (2): B6 B7
+// CHECK: Succs (2): B4 B3
// CHECK: [B6]
-// CHECK: 1: A() (CXXConstructExpr, class A)
-// CHECK: 2: [B6.1] (BindTemporary)
-// CHECK: 3: [B6.2] (ImplicitCastExpr, NoOp, const class A)
-// CHECK: 4: [B6.3]
-// CHECK: 5: [B6.4] (CXXConstructExpr, class A)
-// CHECK: 6: [B6.5] (BindTemporary)
-// CHECK: Preds (1): B7
-// CHECK: Succs (1): B4
+// CHECK: 1: [B8.2] (ImplicitCastExpr, NoOp, const class A)
+// CHECK: 2: [B6.1]
+// CHECK: 3: [B6.2] (CXXConstructExpr, class A)
+// CHECK: 4: [B6.3] (BindTemporary)
+// CHECK: Preds (1): B8
+// CHECK: Succs (1): B5
// CHECK: [B7]
// CHECK: 1: A() (CXXConstructExpr, class A)
// CHECK: 2: [B7.1] (BindTemporary)
-// CHECK: 3: [B7.2].operator bool
-// CHECK: 4: [B7.2]
-// CHECK: 5: [B7.4] (ImplicitCastExpr, UserDefinedConversion, _Bool)
-// CHECK: T: [B7.5] ? ... : ...
+// CHECK: 3: [B7.2] (ImplicitCastExpr, NoOp, const class A)
+// CHECK: 4: [B7.3]
+// CHECK: 5: [B7.4] (CXXConstructExpr, class A)
+// CHECK: 6: [B7.5] (BindTemporary)
// CHECK: Preds (1): B8
-// CHECK: Succs (2): B5 B6
+// CHECK: Succs (1): B5
+// CHECK: [B8]
+// CHECK: 1: A() (CXXConstructExpr, class A)
+// CHECK: 2: [B8.1] (BindTemporary)
+// CHECK: 3: [B8.2].operator bool
+// CHECK: 4: [B8.2]
+// CHECK: 5: [B8.4] (ImplicitCastExpr, UserDefinedConversion, _Bool)
+// CHECK: T: [B8.5] ? ... : ...
+// CHECK: Preds (1): B9
+// CHECK: Succs (2): B6 B7
// CHECK: [B0 (EXIT)]
// CHECK: Preds (1): B1
-// CHECK: [B13 (ENTRY)]
-// CHECK: Succs (1): B12
+// CHECK: [B14 (ENTRY)]
+// CHECK: Succs (1): B13
// CHECK: [B1]
-// CHECK: 1: ~A() (Temporary object destructor)
-// CHECK: 2: int b;
-// CHECK: 3: [B9.4].~A() (Implicit destructor)
+// CHECK: 1: int b;
+// CHECK: 2: [B10.4].~A() (Implicit destructor)
// CHECK: Preds (2): B2 B3
// CHECK: Succs (1): B0
// CHECK: [B2]
// CHECK: 1: ~A() (Temporary object destructor)
-// CHECK: Preds (1): B4
+// CHECK: Preds (1): B3
// CHECK: Succs (1): B1
// CHECK: [B3]
+// CHECK: T: (Temp Dtor) [B6.4]
+// CHECK: Preds (2): B4 B5
+// CHECK: Succs (2): B2 B1
+// CHECK: [B4]
// CHECK: 1: ~A() (Temporary object destructor)
// CHECK: 2: ~A() (Temporary object destructor)
-// CHECK: Preds (1): B4
-// CHECK: Succs (1): B1
-// CHECK: [B4]
-// CHECK: 1: [B7.5] ?: [B6.6]
-// CHECK: 2: [B4.1] (ImplicitCastExpr, NoOp, const class A)
-// CHECK: 3: [B4.2]
-// CHECK: 4: [B7.3]([B4.3])
-// CHECK: T: (Temp Dtor) [B7.8] ? ... : ...
-// CHECK: Preds (2): B5 B6
-// CHECK: Succs (2): B2 B3
+// CHECK: Preds (1): B5
+// CHECK: Succs (1): B3
// CHECK: [B5]
-// CHECK: 1: [B7.5] (ImplicitCastExpr, NoOp, const class A)
-// CHECK: 2: [B5.1]
-// CHECK: 3: [B5.2] (CXXConstructExpr, class A)
-// CHECK: 4: [B5.3] (BindTemporary)
-// CHECK: Preds (1): B7
-// CHECK: Succs (1): B4
+// CHECK: 1: [B8.4] ?: [B7.6]
+// CHECK: 2: [B5.1] (ImplicitCastExpr, NoOp, const class A)
+// CHECK: 3: [B5.2]
+// CHECK: 4: [B8.2]([B5.3])
+// CHECK: T: (Temp Dtor) [B7.2]
+// CHECK: Preds (2): B6 B7
+// CHECK: Succs (2): B4 B3
// CHECK: [B6]
-// CHECK: 1: A() (CXXConstructExpr, class A)
-// CHECK: 2: [B6.1] (BindTemporary)
-// CHECK: 3: [B6.2] (ImplicitCastExpr, NoOp, const class A)
-// CHECK: 4: [B6.3]
-// CHECK: 5: [B6.4] (CXXConstructExpr, class A)
-// CHECK: 6: [B6.5] (BindTemporary)
-// CHECK: Preds (1): B7
-// CHECK: Succs (1): B4
+// CHECK: 1: [B8.4] (ImplicitCastExpr, NoOp, const class A)
+// CHECK: 2: [B6.1]
+// CHECK: 3: [B6.2] (CXXConstructExpr, class A)
+// CHECK: 4: [B6.3] (BindTemporary)
+// CHECK: Preds (1): B8
+// CHECK: Succs (1): B5
// CHECK: [B7]
-// CHECK: 1: ~A() (Temporary object destructor)
-// CHECK: 2: foo
-// CHECK: 3: [B7.2] (ImplicitCastExpr, FunctionToPointerDecay, void (*)(const class A &))
-// CHECK: 4: A() (CXXConstructExpr, class A)
-// CHECK: 5: [B7.4] (BindTemporary)
-// CHECK: 6: [B7.5].operator bool
-// CHECK: 7: [B7.5]
-// CHECK: 8: [B7.7] (ImplicitCastExpr, UserDefinedConversion, _Bool)
-// CHECK: T: [B7.8] ? ... : ...
-// CHECK: Preds (2): B9 B8
-// CHECK: Succs (2): B5 B6
+// CHECK: 1: A() (CXXConstructExpr, class A)
+// CHECK: 2: [B7.1] (BindTemporary)
+// CHECK: 3: [B7.2] (ImplicitCastExpr, NoOp, const class A)
+// CHECK: 4: [B7.3]
+// CHECK: 5: [B7.4] (CXXConstructExpr, class A)
+// CHECK: 6: [B7.5] (BindTemporary)
+// CHECK: Preds (1): B8
+// CHECK: Succs (1): B5
// CHECK: [B8]
-// CHECK: 1: ~A() (Temporary object destructor)
-// CHECK: Preds (1): B9
-// CHECK: Succs (1): B7
+// CHECK: 1: foo
+// CHECK: 2: [B8.1] (ImplicitCastExpr, FunctionToPointerDecay, void (*)(const class A &))
+// CHECK: 3: A() (CXXConstructExpr, class A)
+// CHECK: 4: [B8.3] (BindTemporary)
+// CHECK: 5: [B8.4].operator bool
+// CHECK: 6: [B8.4]
+// CHECK: 7: [B8.6] (ImplicitCastExpr, UserDefinedConversion, _Bool)
+// CHECK: T: [B8.7] ? ... : ...
+// CHECK: Preds (2): B9 B10
+// CHECK: Succs (2): B6 B7
// CHECK: [B9]
-// CHECK: 1: [B12.2] ?: [B11.6]
-// CHECK: 2: [B9.1] (ImplicitCastExpr, NoOp, const class A)
-// CHECK: 3: [B9.2]
-// CHECK: 4: const A &a = A() ?: A();
-// CHECK: T: (Temp Dtor) [B12.5] ? ... : ...
-// CHECK: Preds (2): B10 B11
-// CHECK: Succs (2): B7 B8
+// CHECK: 1: ~A() (Temporary object destructor)
+// CHECK: Preds (1): B10
+// CHECK: Succs (1): B8
// CHECK: [B10]
-// CHECK: 1: [B12.2] (ImplicitCastExpr, NoOp, const class A)
-// CHECK: 2: [B10.1]
-// CHECK: 3: [B10.2] (CXXConstructExpr, class A)
-// CHECK: 4: [B10.3] (BindTemporary)
-// CHECK: Preds (1): B12
-// CHECK: Succs (1): B9
+// CHECK: 1: [B13.2] ?: [B12.6]
+// CHECK: 2: [B10.1] (ImplicitCastExpr, NoOp, const class A)
+// CHECK: 3: [B10.2]
+// CHECK: 4: const A &a = A() ?: A();
+// CHECK: T: (Temp Dtor) [B12.2]
+// CHECK: Preds (2): B11 B12
+// CHECK: Succs (2): B9 B8
// CHECK: [B11]
-// CHECK: 1: A() (CXXConstructExpr, class A)
-// CHECK: 2: [B11.1] (BindTemporary)
-// CHECK: 3: [B11.2] (ImplicitCastExpr, NoOp, const class A)
-// CHECK: 4: [B11.3]
-// CHECK: 5: [B11.4] (CXXConstructExpr, class A)
-// CHECK: 6: [B11.5] (BindTemporary)
-// CHECK: Preds (1): B12
-// CHECK: Succs (1): B9
+// CHECK: 1: [B13.2] (ImplicitCastExpr, NoOp, const class A)
+// CHECK: 2: [B11.1]
+// CHECK: 3: [B11.2] (CXXConstructExpr, class A)
+// CHECK: 4: [B11.3] (BindTemporary)
+// CHECK: Preds (1): B13
+// CHECK: Succs (1): B10
// CHECK: [B12]
// CHECK: 1: A() (CXXConstructExpr, class A)
// CHECK: 2: [B12.1] (BindTemporary)
-// CHECK: 3: [B12.2].operator bool
-// CHECK: 4: [B12.2]
-// CHECK: 5: [B12.4] (ImplicitCastExpr, UserDefinedConversion, _Bool)
-// CHECK: T: [B12.5] ? ... : ...
+// CHECK: 3: [B12.2] (ImplicitCastExpr, NoOp, const class A)
+// CHECK: 4: [B12.3]
+// CHECK: 5: [B12.4] (CXXConstructExpr, class A)
+// CHECK: 6: [B12.5] (BindTemporary)
// CHECK: Preds (1): B13
-// CHECK: Succs (2): B10 B11
+// CHECK: Succs (1): B10
+// CHECK: [B13]
+// CHECK: 1: A() (CXXConstructExpr, class A)
+// CHECK: 2: [B13.1] (BindTemporary)
+// CHECK: 3: [B13.2].operator bool
+// CHECK: 4: [B13.2]
+// CHECK: 5: [B13.4] (ImplicitCastExpr, UserDefinedConversion, _Bool)
+// CHECK: T: [B13.5] ? ... : ...
+// CHECK: Preds (1): B14
+// CHECK: Succs (2): B11 B12
// CHECK: [B0 (EXIT)]
// CHECK: Preds (1): B1
// CHECK: [B2 (ENTRY)]
@@ -1089,6 +1097,7 @@ int testConsistencyNestedNormalReturn(bool value) {
// CHECK: Succs (1): B2
// CHECK: [B1]
// CHECK: 1: int b;
+// CHECK: Preds (1): B2(Unreachable)
// CHECK: Succs (1): B0
// CHECK: [B2 (NORETURN)]
// CHECK: 1: int a;
@@ -1105,6 +1114,7 @@ int testConsistencyNestedNormalReturn(bool value) {
// CHECK: Succs (1): B2
// CHECK: [B1]
// CHECK: 1: int b;
+// CHECK: Preds (1): B2(Unreachable)
// CHECK: Succs (1): B0
// CHECK: [B2 (NORETURN)]
// CHECK: 1: int a;
@@ -1117,7 +1127,6 @@ int testConsistencyNestedNormalReturn(bool value) {
// CHECK: Succs (1): B0
// CHECK: [B0 (EXIT)]
// CHECK: Preds (2): B1 B2
-// CHECK: int testConsistencyNestedSimple(bool value)
// CHECK: [B9 (ENTRY)]
// CHECK: Succs (1): B8
// CHECK: [B1]
@@ -1132,7 +1141,7 @@ int testConsistencyNestedNormalReturn(bool value) {
// CHECK: Succs (1): B0
// CHECK: [B3]
// CHECK: T: if [B5.1]
-// CHECK: Preds (1): B5
+// CHECK: Preds (2): B4(Unreachable) B5
// CHECK: Succs (2): B2 B1
// CHECK: [B4 (NORETURN)]
// CHECK: 1: ~NoReturn() (Temporary object destructor)
@@ -1140,9 +1149,9 @@ int testConsistencyNestedNormalReturn(bool value) {
// CHECK: Succs (1): B0
// CHECK: [B5]
// CHECK: 1: [B7.3] || [B6.7]
-// CHECK: T: (Temp Dtor) [B7.3] || ...
+// CHECK: T: (Temp Dtor) [B6.4]
// CHECK: Preds (2): B6 B7
-// CHECK: Succs (2): B3 B4
+// CHECK: Succs (2): B4 B3
// CHECK: [B6]
// CHECK: 1: check
// CHECK: 2: [B6.1] (ImplicitCastExpr, FunctionToPointerDecay, _Bool (*)(const class NoReturn &))
@@ -1168,7 +1177,6 @@ int testConsistencyNestedNormalReturn(bool value) {
// CHECK: Succs (2): B7 B1
// CHECK: [B0 (EXIT)]
// CHECK: Preds (3): B1 B2 B4
-// CHECK: int testConsistencyNestedComplex(bool value)
// CHECK: [B10 (ENTRY)]
// CHECK: Succs (1): B9
// CHECK: [B1]
@@ -1183,7 +1191,7 @@ int testConsistencyNestedNormalReturn(bool value) {
// CHECK: Succs (1): B0
// CHECK: [B3]
// CHECK: T: if [B5.1]
-// CHECK: Preds (1): B5
+// CHECK: Preds (2): B4(Unreachable) B5
// CHECK: Succs (2): B2 B1
// CHECK: [B4 (NORETURN)]
// CHECK: 1: ~NoReturn() (Temporary object destructor)
@@ -1191,9 +1199,9 @@ int testConsistencyNestedNormalReturn(bool value) {
// CHECK: Succs (1): B0
// CHECK: [B5]
// CHECK: 1: [B8.3] || [B7.3] || [B6.7]
-// CHECK: T: (Temp Dtor) [B8.3] || [B7.3] || ...
+// CHECK: T: (Temp Dtor) [B6.4]
// CHECK: Preds (3): B6 B7 B8
-// CHECK: Succs (2): B3 B4
+// CHECK: Succs (2): B4 B3
// CHECK: [B6]
// CHECK: 1: check
// CHECK: 2: [B6.1] (ImplicitCastExpr, FunctionToPointerDecay, _Bool (*)(const class NoReturn &))
@@ -1226,7 +1234,6 @@ int testConsistencyNestedNormalReturn(bool value) {
// CHECK: Succs (2): B8 B1
// CHECK: [B0 (EXIT)]
// CHECK: Preds (3): B1 B2 B4
-// CHECK: int testConsistencyNestedNormalReturn(bool value)
// CHECK: [B10 (ENTRY)]
// CHECK: Succs (1): B9
// CHECK: [B1]
@@ -1241,7 +1248,7 @@ int testConsistencyNestedNormalReturn(bool value) {
// CHECK: Succs (1): B0
// CHECK: [B3]
// CHECK: T: if [B5.1]
-// CHECK: Preds (1): B5
+// CHECK: Preds (2): B4(Unreachable) B5
// CHECK: Succs (2): B2 B1
// CHECK: [B4 (NORETURN)]
// CHECK: 1: ~NoReturn() (Temporary object destructor)
@@ -1249,9 +1256,9 @@ int testConsistencyNestedNormalReturn(bool value) {
// CHECK: Succs (1): B0
// CHECK: [B5]
// CHECK: 1: [B8.3] || [B7.2] || [B6.7]
-// CHECK: T: (Temp Dtor) [B8.3] || [B7.2] || ...
+// CHECK: T: (Temp Dtor) [B6.4]
// CHECK: Preds (3): B6 B7 B8
-// CHECK: Succs (2): B3 B4
+// CHECK: Succs (2): B4 B3
// CHECK: [B6]
// CHECK: 1: check
// CHECK: 2: [B6.1] (ImplicitCastExpr, FunctionToPointerDecay, _Bool (*)(const class NoReturn &))
diff --git a/clang/test/Analysis/temporaries.cpp b/clang/test/Analysis/temporaries.cpp
index c57d984a1dc..0cc90880f44 100644
--- a/clang/test/Analysis/temporaries.cpp
+++ b/clang/test/Analysis/temporaries.cpp
@@ -1,8 +1,9 @@
// RUN: %clang_cc1 -analyze -analyzer-checker=core,debug.ExprInspection -verify -w -std=c++03 %s
// RUN: %clang_cc1 -analyze -analyzer-checker=core,debug.ExprInspection -verify -w -std=c++11 %s
-// RUN: %clang_cc1 -analyze -analyzer-checker=core,debug.ExprInspection -DTEMPORARY_DTORS -verify -w -analyzer-config cfg-temporary-dtors=true %s
+// RUN: %clang_cc1 -analyze -analyzer-checker=core,debug.ExprInspection -DTEMPORARY_DTORS -verify -w -analyzer-config cfg-temporary-dtors=true %s -std=c++11
extern bool clang_analyzer_eval(bool);
+extern bool clang_analyzer_warnIfReached();
struct Trivial {
Trivial(int x) : value(x) {}
@@ -111,13 +112,13 @@ namespace compound_literals {
}
namespace destructors {
- void testPR16664andPR18159Crash() {
- struct Dtor {
- ~Dtor();
- };
- extern bool coin();
- extern bool check(const Dtor &);
+ struct Dtor {
+ ~Dtor();
+ };
+ extern bool coin();
+ extern bool check(const Dtor &);
+ void testPR16664andPR18159Crash() {
// Regression test: we used to assert here when tmp dtors are enabled.
// PR16664 and PR18159
if (coin() && (coin() || coin() || check(Dtor()))) {
@@ -193,8 +194,7 @@ namespace destructors {
(i == 4 || i == 4 ||
compute(i == 5 && (i == 4 || check(NoReturnDtor()))))) ||
i != 4) {
- // FIXME: This shouldn't cause a warning.
- clang_analyzer_eval(true); // expected-warning{{TRUE}}
+ clang_analyzer_eval(true); // no warning, unreachable code
}
}
@@ -211,8 +211,7 @@ namespace destructors {
void testConsistencyNestedComplex(bool value) {
if (value) {
if (!value || !value || check(NoReturnDtor())) {
- // FIXME: This shouldn't cause a warning.
- clang_analyzer_eval(true); // expected-warning{{TRUE}}
+ clang_analyzer_eval(true); // no warning, unreachable code
}
}
}
@@ -225,6 +224,112 @@ namespace destructors {
}
}
}
+ // PR16664 and PR18159
+ void testConsistencyNestedComplexMidBranch(bool value) {
+ if (value) {
+ if (!value || !value || check(NoReturnDtor()) || value) {
+ clang_analyzer_eval(true); // no warning, unreachable code
+ }
+ }
+ }
+
+ // PR16664 and PR18159
+ void testConsistencyNestedComplexNestedBranch(bool value) {
+ if (value) {
+ if (!value || (!value || check(NoReturnDtor()) || value)) {
+ clang_analyzer_eval(true); // no warning, unreachable code
+ }
+ }
+ }
+
+ // PR16664 and PR18159
+ void testConsistencyNestedVariableModification(bool value) {
+ bool other = true;
+ if (value) {
+ if (!other || !value || (other = false) || check(NoReturnDtor()) ||
+ !other) {
+ clang_analyzer_eval(true); // no warning, unreachable code
+ }
+ }
+ }
+
+ void testTernaryNoReturnTrueBranch(bool value) {
+ if (value) {
+ bool b = value && value ? check(NoReturnDtor()) : true;
+ clang_analyzer_eval(true); // no warning, unreachable code
+ }
+ }
+ void testTernaryNoReturnFalseBranch(bool value) {
+ if (value) {
+ bool b = !value && !value ? true : check(NoReturnDtor());
+ clang_analyzer_eval(true); // no warning, unreachable code
+ }
+ }
+ void testTernaryIgnoreNoreturnBranch(bool value) {
+ if (value) {
+ bool b = !value && !value ? check(NoReturnDtor()) : true;
+ clang_analyzer_eval(true); // expected-warning{{TRUE}}
+ }
+ }
+
+ void testLoop() {
+ for (int i = 0; i < 10; ++i) {
+ if (i < 3 && (i >= 2 || check(NoReturnDtor()))) {
+ clang_analyzer_eval(true); // no warning, unreachable code
+ }
+ }
+ }
+
+ bool testRecursiveFrames(bool isInner) {
+ if (isInner ||
+ (clang_analyzer_warnIfReached(), false) || // expected-warning{{REACHABLE}}
+ check(NoReturnDtor()) ||
+ testRecursiveFrames(true)) {
+ clang_analyzer_warnIfReached(); // expected-warning{{REACHABLE}}
+ }
+ }
+ void testRecursiveFramesStart() { testRecursiveFrames(false); }
+
+ void testLambdas() {
+ // This is the test we would like to write:
+ // []() { check(NoReturnDtor()); } != nullptr || check(Dtor());
+ // But currently the analyzer stops when it encounters a lambda:
+ [] {};
+ // The CFG for this now looks correct, but we still do not reach the line
+ // below.
+ clang_analyzer_warnIfReached(); // FIXME: Should warn.
+ }
+
+ void testGnuExpressionStatements(int v) {
+ ({ ++v; v == 10 || check(NoReturnDtor()); v == 42; }) || v == 23;
+ clang_analyzer_warnIfReached(); // expected-warning{{REACHABLE}}
+
+ ({ ++v; check(NoReturnDtor()); v == 42; }) || v == 23;
+ clang_analyzer_warnIfReached(); // no warning, unreachable code
+ }
+
+ void testGnuExpressionStatementsDestructionPoint(int v) {
+ // In normal context, the temporary destructor runs at the end of the full
+ // statement, thus the last statement is reached.
+ (++v, check(NoReturnDtor()), v == 42),
+ clang_analyzer_warnIfReached(); // expected-warning{{REACHABLE}}
+
+ // GNU expression statements execute temporary destructors within the
+ // blocks, thus the last statement is not reached.
+ ({ ++v; check(NoReturnDtor()); v == 42; }),
+ clang_analyzer_warnIfReached(); // no warning, unreachable code
+ }
+
+ void testMultipleTemporaries(bool value) {
+ if (value) {
+ // FIXME: Find a way to verify construction order.
+ // ~Dtor should run before ~NoReturnDtor() because construction order is
+ // guaranteed by comma operator.
+ if (!value || check((NoReturnDtor(), Dtor())) || value) {
+ clang_analyzer_eval(true); // no warning, unreachable code
+ }
+ }
+ }
void testBinaryOperatorShortcut(bool value) {
if (value) {
@@ -234,6 +339,52 @@ namespace destructors {
}
}
+ void testIfAtEndOfLoop() {
+ int y = 0;
+ while (true) {
+ if (y > 0) {
+ clang_analyzer_warnIfReached(); // expected-warning{{REACHABLE}}
+ }
+ ++y;
+ // Test that the CFG gets hooked up correctly when temporary destructors
+ // are handled after a statically known branch condition.
+ if (true) (void)0; else (void)check(NoReturnDtor());
+ }
+ }
+
+ void testTernaryAtEndOfLoop() {
+ int y = 0;
+ while (true) {
+ if (y > 0) {
+ clang_analyzer_warnIfReached(); // expected-warning{{REACHABLE}}
+ }
+ ++y;
+ // Test that the CFG gets hooked up correctly when temporary destructors
+ // are handled after a statically known branch condition.
+ true ? (void)0 : (void)check(NoReturnDtor());
+ }
+ }
+
+ void testNoReturnInComplexCondition() {
+ check(Dtor()) &&
+ (check(NoReturnDtor()) || check(NoReturnDtor())) && check(Dtor());
+ clang_analyzer_warnIfReached(); // expected-warning{{REACHABLE}}
+ }
+
+ void testSequencingOfConditionalTempDtors(bool b) {
+ b || (check(Dtor()), check(NoReturnDtor()));
+ clang_analyzer_warnIfReached(); // expected-warning{{REACHABLE}}
+ }
+
+ void testSequencingOfConditionalTempDtors2(bool b) {
+ (b || check(Dtor())), check(NoReturnDtor());
+ clang_analyzer_warnIfReached(); // no warning, unreachable code
+ }
+
+ void testSequencingOfConditionalTempDtorsWithinBinaryOperators(bool b) {
+ b || (check(Dtor()) + check(NoReturnDtor()));
+ clang_analyzer_warnIfReached(); // expected-warning{{REACHABLE}}
+ }
#endif // TEMPORARY_DTORS
}
OpenPOWER on IntegriCloud