clang/test/CodeGenCXX/exceptions-seh-filter-uwtable.cpp

   1 // RUN: %clang_cc1 "-triple" "arm64-windows" "-funwind-tables=2" "-fms-compatibility" -emit-llvm -O1 -disable-llvm-passes %s -o - | FileCheck %s
   2 // NOTE: we're passing "-O1 -disable-llvm-passes" to avoid adding optnone and noinline everywhere.
   3
   4 # 0 "" 3
   5 #define a(b, c) d() & b
   6 #define f(c) a(e(0, 0, #c).b(), )
   7
   8 struct e {
   9   e(int, int, char *);
  10   int b();
  11 };
  12
  13 struct d {
  14   void operator&(int);
  15 };
  16
  17 struct h;
  18
  19 struct i {
  20   h *operator->();
  21   h &operator*() { f(); }
  22 };
  23
  24 typedef int g;
  25
  26 struct h {
  27   void ad();
  28 };
  29
  30 g aq(h j, g k, int, int) {
  31   if (k)
  32     return;
  33   j.ad();
  34 }
  35
  36 // Check for the uwtable attribute on the filter funclet.
  37 // CHECK: define internal noundef i32 @"?filt$0@0@at@@"(ptr noundef %exception_pointers, ptr noundef %frame_pointer) #[[MD:[0-9]+]]
  38 // CHECK: attributes #[[MD]] = { nounwind uwtable
  39
  40 void at() {
  41   i ar;
  42
  43   __try {
  44     ar->ad();
  45   } __except (aq(*ar, _exception_code(), 0, 0)) {
  46   }
  47
  48 }