diff options
Diffstat (limited to 'test/CodeGenCXX/eh.cpp')
| -rw-r--r-- | test/CodeGenCXX/eh.cpp | 87 |
1 files changed, 61 insertions, 26 deletions
diff --git a/test/CodeGenCXX/eh.cpp b/test/CodeGenCXX/eh.cpp index afd9da698646..f2629d19d902 100644 --- a/test/CodeGenCXX/eh.cpp +++ b/test/CodeGenCXX/eh.cpp @@ -1,4 +1,4 @@ -// RUN: %clang_cc1 -triple x86_64-apple-darwin -std=c++0x -emit-llvm %s -o %t.ll +// RUN: %clang_cc1 -fexceptions -triple x86_64-apple-darwin -std=c++0x -emit-llvm %s -o %t.ll // RUN: FileCheck --input-file=%t.ll %s struct test1_D { @@ -9,14 +9,18 @@ void test1() { throw d1; } -// CHECK: define void @_Z5test1v() nounwind { -// CHECK: %{{exception.ptr|1}} = alloca i8* -// CHECK-NEXT: %{{exception|2}} = call i8* @__cxa_allocate_exception(i64 8) -// CHECK-NEXT: store i8* %{{exception|2}}, i8** %{{exception.ptr|1}} -// CHECK-NEXT: %{{0|3}} = bitcast i8* %{{exception|2}} to %struct.test1_D* -// CHECK-NEXT: %{{tmp|4}} = bitcast %struct.test1_D* %{{0|3}} to i8* -// CHECK-NEXT: call void @llvm.memcpy.p0i8.p0i8.i64(i8* %{{tmp|4}}, i8* bitcast (%struct.test1_D* @d1 to i8*), i64 8, i32 8, i1 false) -// CHECK-NEXT: call void @__cxa_throw(i8* %{{exception|2}}, i8* bitcast (%0* @_ZTI7test1_D to i8*), i8* null) noreturn +// CHECK: define void @_Z5test1v() +// CHECK: [[FREEVAR:%.*]] = alloca i1 +// CHECK-NEXT: [[EXNOBJVAR:%.*]] = alloca i8* +// CHECK-NEXT: store i1 false, i1* [[FREEVAR]] +// CHECK-NEXT: [[EXNOBJ:%.*]] = call i8* @__cxa_allocate_exception(i64 8) +// CHECK-NEXT: store i8* [[EXNOBJ]], i8** [[EXNOBJVAR]] +// CHECK-NEXT: store i1 true, i1* [[FREEVAR]] +// CHECK-NEXT: [[EXN:%.*]] = bitcast i8* [[EXNOBJ]] to [[DSTAR:%[^*]*\*]] +// CHECK-NEXT: [[EXN2:%.*]] = bitcast [[DSTAR]] [[EXN]] to i8* +// CHECK-NEXT: call void @llvm.memcpy.p0i8.p0i8.i64(i8* [[EXN2]], i8* bitcast ([[DSTAR]] @d1 to i8*), i64 8, i32 8, i1 false) +// CHECK-NEXT: store i1 false, i1* [[FREEVAR]] +// CHECK-NEXT: call void @__cxa_throw(i8* [[EXNOBJ]], i8* bitcast (%0* @_ZTI7test1_D to i8*), i8* null) noreturn // CHECK-NEXT: unreachable @@ -31,14 +35,19 @@ void test2() { throw d2; } -// CHECK: define void @_Z5test2v() nounwind { -// CHECK: %{{exception.ptr|1}} = alloca i8* -// CHECK-NEXT: %{{exception|2}} = call i8* @__cxa_allocate_exception(i64 16) -// CHECK-NEXT: store i8* %{{exception|2}}, i8** %{{\1}} -// CHECK-NEXT: %{{0|3}} = bitcast i8* %{{exception|2}} to %struct.test2_D* -// CHECK: invoke void @_ZN7test2_DC1ERKS_(%struct.test2_D* %{{0|3}}, %struct.test2_D* @d2) -// CHECK-NEXT: to label %{{invoke.cont|8}} unwind label %{{terminate.handler|4}} -// CHECK: call void @__cxa_throw(i8* %{{exception|2}}, i8* bitcast (%{{0|3}}* @_ZTI7test2_D to i8*), i8* null) noreturn +// CHECK: define void @_Z5test2v() +// CHECK: [[FREEVAR:%.*]] = alloca i1 +// CHECK-NEXT: [[EXNOBJVAR:%.*]] = alloca i8* +// CHECK-NEXT: store i1 false, i1* [[FREEVAR]] +// CHECK-NEXT: [[EXNOBJ:%.*]] = call i8* @__cxa_allocate_exception(i64 16) +// CHECK-NEXT: store i8* [[EXNOBJ]], i8** [[EXNOBJVAR]] +// CHECK-NEXT: store i1 true, i1* [[FREEVAR]] +// CHECK-NEXT: [[EXN:%.*]] = bitcast i8* [[EXNOBJ]] to [[DSTAR:%[^*]*\*]] +// CHECK-NEXT: invoke void @_ZN7test2_DC1ERKS_([[DSTAR]] [[EXN]], [[DSTAR]] @d2) +// CHECK-NEXT: to label %[[CONT:.*]] unwind label %{{.*}} +// : [[CONT]]: (can't check this in Release-Asserts builds) +// CHECK: store i1 false, i1* [[FREEVAR]] +// CHECK-NEXT: call void @__cxa_throw(i8* [[EXNOBJ]], i8* bitcast (%{{.*}}* @_ZTI7test2_D to i8*), i8* null) noreturn // CHECK-NEXT: unreachable @@ -52,20 +61,46 @@ void test3() { throw (volatile test3_D *)0; } -// CHECK: define void @_Z5test3v() nounwind { -// CHECK: %{{exception.ptr|1}} = alloca i8* -// CHECK-NEXT: %{{exception|2}} = call i8* @__cxa_allocate_exception(i64 8) -// CHECK-NEXT: store i8* %{{exception|2}}, i8** %{{exception.ptr|1}} -// CHECK-NEXT: %{{0|3}} = bitcast i8* %{{exception|2}} to %struct.test3_D** -// CHECK-NEXT: store %struct.test3_D* null, %struct.test3_D** -// CHECK-NEXT: call void @__cxa_throw(i8* %{{exception|2}}, i8* bitcast (%1* @_ZTIPV7test3_D to i8*), i8* null) noreturn -// CHECK-NEXT: unreachable +// CHECK: define void @_Z5test3v() +// CHECK: [[FREEVAR:%.*]] = alloca i1 +// CHECK-NEXT: [[EXNOBJVAR:%.*]] = alloca i8* +// CHECK-NEXT: store i1 false, i1* [[FREEVAR]] +// CHECK-NEXT: [[EXNOBJ:%.*]] = call i8* @__cxa_allocate_exception(i64 8) +// CHECK-NEXT: store i8* [[EXNOBJ]], i8** [[EXNOBJVAR]] +// CHECK-NEXT: store i1 true, i1* [[FREEVAR]] +// CHECK-NEXT: [[EXN:%.*]] = bitcast i8* [[EXNOBJ]] to [[DSS:%[^*]*\*]]* +// CHECK-NEXT: store [[DSS]] null, [[DSS]]* [[EXN]] +// CHECK-NEXT: store i1 false, i1* [[FREEVAR]] +// CHECK-NEXT: call void @__cxa_throw(i8* [[EXNOBJ]], i8* bitcast (%1* @_ZTIPV7test3_D to i8*), i8* null) noreturn +// CHECK-NEXT: unreachable void test4() { throw; } -// CHECK: define void @_Z5test4v() nounwind { +// CHECK: define void @_Z5test4v() // CHECK: call void @__cxa_rethrow() noreturn // CHECK-NEXT: unreachable + + +// rdar://problem/7696549 +namespace test5 { + struct A { + A(); + A(const A&); + ~A(); + }; + + void test() { + try { throw A(); } catch (A &x) {} + } +// CHECK: define void @_ZN5test54testEv() +// CHECK: [[EXNOBJ:%.*]] = call i8* @__cxa_allocate_exception(i64 1) +// CHECK: [[EXNCAST:%.*]] = bitcast i8* [[EXNOBJ]] to [[A:%[^*]*]]* +// CHECK-NEXT: invoke void @_ZN5test51AC1Ev([[A]]* [[EXNCAST]]) +// CHECK: invoke void @__cxa_throw(i8* [[EXNOBJ]], i8* bitcast ({{%.*}}* @_ZTIN5test51AE to i8*), i8* bitcast (void ([[A]]*)* @_ZN5test51AD1Ev to i8*)) noreturn +// CHECK-NEXT: to label {{%.*}} unwind label %[[HANDLER:[^ ]*]] +// : [[HANDLER]]: (can't check this in Release-Asserts builds) +// CHECK: {{%.*}} = call i32 @llvm.eh.typeid.for(i8* bitcast ({{%.*}}* @_ZTIN5test51AE to i8*)) +} |