File: windows-seh-EHa-CppCatchReturn.cpp

package info (click to toggle)
swiftlang 6.1.3-2
  • links: PTS, VCS
  • area: main
  • in suites: forky, sid
  • size: 2,791,604 kB
  • sloc: cpp: 9,901,740; ansic: 2,201,431; asm: 1,091,827; python: 308,252; objc: 82,166; f90: 80,126; lisp: 38,358; pascal: 25,559; sh: 20,429; ml: 5,058; perl: 4,745; makefile: 4,484; awk: 3,535; javascript: 3,018; xml: 918; fortran: 664; cs: 573; ruby: 396
file content (31 lines) | stat: -rw-r--r-- 763 bytes parent folder | download | duplicates (9) 
1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
 
// RUN: %clang_cc1 -triple x86_64-windows -fasync-exceptions -fcxx-exceptions -fexceptions -fms-extensions -x c++ -Wno-implicit-function-declaration -emit-llvm %s -o - | FileCheck %s

// CHECK: define dso_local void @"?foo@@YAXXZ
// CHECK: invoke void @llvm.seh.try.begin()
// CHECK-NOT: llvm.seh.scope.begin
// CHECK-NOT: llvm.seh.scope.end

// FIXME: Do we actually need llvm.seh.scope*?
void foo() {
  try {}
  catch (...) {
  return;
  }
}

__declspec(noreturn) void bar();
class baz {
public:
  ~baz();
};

// CHECK: define dso_local void @"?qux@@YAXXZ
// CHECK: invoke void @llvm.seh.scope.begin()
// CHECK-NOT: llvm.seh.try
// CHECK-NOT: llvm.seh.scope.end

// We don't need to generate llvm.seh.scope.end for unreachable.
void qux() {
  baz a;
  bar();
}