| // RUN: clang-cc -triple x86_64-apple-darwin -std=c++0x -emit-llvm %s -o %t.ll |
| // RUN: FileCheck --input-file=%t.ll %s |
| |
| struct test1_D { |
| double d; |
| } d1; |
| |
| void test1() { |
| throw d1; |
| } |
| |
| // CHECK: define void @_Z5test1v() nounwind { |
| // CHECK-NEXT:entry: |
| // CHECK-NEXT: %exception.ptr = alloca i8* |
| // CHECK-NEXT: %exception = call i8* @__cxa_allocate_exception(i64 8) |
| // CHECK-NEXT: store i8* %exception, i8** %exception.ptr |
| // CHECK-NEXT: %0 = bitcast i8* %exception to %struct.test1_D* |
| // CHECK-NEXT: %tmp = bitcast %struct.test1_D* %0 to i8* |
| // CHECK-NEXT: call void @llvm.memcpy.i64(i8* %tmp, i8* bitcast (%struct.test1_D* @d1 to i8*), i64 8, i32 8) |
| // CHECK-NEXT: call void @__cxa_throw(i8* %exception, i8* bitcast (%0* @_ZTI7test1_D to i8*), i8* null) noreturn |
| // CHECK-NEXT: unreachable |
| |
| |
| struct test2_D { |
| test2_D(const test2_D&o); |
| test2_D(); |
| virtual void bar() { } |
| int i; int j; |
| } d2; |
| |
| void test2() { |
| throw d2; |
| } |
| |
| // CHECK: define void @_Z5test2v() nounwind { |
| // CHECK-NEXT:entry: |
| // CHECK-NEXT: %exception.ptr = alloca i8* |
| // CHECK-NEXT: %exception = call i8* @__cxa_allocate_exception(i64 16) |
| // CHECK-NEXT: store i8* %exception, i8** %exception.ptr |
| // CHECK-NEXT: %0 = bitcast i8* %exception to %struct.test2_D* |
| // CHECK: invoke void @_ZN7test2_DC1ERKS_(%struct.test2_D* %0, %struct.test2_D* @d2) |
| // CHECK-NEXT: to label %invoke.cont unwind label %terminate.handler |
| // CHECK: call void @__cxa_throw(i8* %exception, i8* bitcast (%0* @_ZTI7test2_D to i8*), i8* null) noreturn |
| // CHECK-NEXT: unreachable |
| |
| |
| struct test3_D { |
| test3_D() { } |
| test3_D(volatile test3_D&o); |
| virtual void bar(); |
| }; |
| |
| void test3() { |
| throw (volatile test3_D *)0; |
| } |
| |
| // CHECK: define void @_Z5test3v() nounwind { |
| // CHECK-NEXT: entry: |
| // CHECK-NEXT: %exception.ptr = alloca i8* |
| // CHECK-NEXT: %exception = call i8* @__cxa_allocate_exception(i64 8) |
| // CHECK-NEXT: store i8* %exception, i8** %exception.ptr |
| // CHECK-NEXT: %0 = bitcast i8* %exception to %struct.test3_D** |
| // CHECK-NEXT: store %struct.test3_D* null, %struct.test3_D** %0 |
| // CHECK-NEXT: call void @__cxa_throw(i8* %exception, i8* bitcast (%1* @_ZTIPV7test3_D to i8*), i8* null) noreturn |
| // CHECK-NEXT: unreachable |
| |
| |
| void test4() { |
| throw; |
| } |
| |
| // CHECK: define void @_Z5test4v() nounwind { |
| // CHECK-NEXT: entry: |
| // CHECK-NEXT: call void @__cxa_rethrow() noreturn |
| // CHECK-NEXT: unreachable |