clang/test/CodeGenCXX/exceptions-cxx-new.cpp

   1 // RUN: %clang_cc1 %s -triple i686-pc-win32 -fms-extensions -fexceptions -fcxx-exceptions -emit-llvm -o - -std=c++11 | FileCheck %s
   2
   3 int f(int);
   4
   5 void test_catch() {
   6   try {
   7     f(1);
   8   } catch (int) {
   9     f(2);
  10   } catch (double) {
  11     f(3);
  12   }
  13 }
  14
  15 // CHECK-LABEL: define dso_local void @"?test_catch@@YAXXZ"(
  16 // CHECK:   invoke noundef i32 @"?f@@YAHH@Z"(i32 noundef 1)
  17 // CHECK:         to label %[[NORMAL:.*]] unwind label %[[CATCHSWITCH:.*]]
  18
  19 // CHECK: [[CATCHSWITCH]]
  20 // CHECK:   %[[CATCHSWITCHPAD:.*]] = catchswitch within none [label %[[CATCH_INT:.*]], label %[[CATCH_DOUBLE:.*]]] unwind to caller
  21
  22 // CHECK: [[CATCH_INT]]
  23 // CHECK:   %[[CATCHPAD_INT:.*]] = catchpad within %[[CATCHSWITCHPAD]] [ptr @"??_R0H@8", i32 0, ptr null]
  24 // CHECK:   call noundef i32 @"?f@@YAHH@Z"(i32 noundef 2)
  25 // CHECK:   catchret from %[[CATCHPAD_INT]] to label %[[LEAVE_INT_CATCH:.*]]
  26
  27 // CHECK: [[LEAVE_INT_CATCH]]
  28 // CHECK:   br label %[[LEAVE_FUNC:.*]]
  29
  30 // CHECK: [[LEAVE_FUNC]]
  31 // CHECK:   ret void
  32
  33 // CHECK: [[CATCH_DOUBLE]]
  34 // CHECK:   %[[CATCHPAD_DOUBLE:.*]] = catchpad within %[[CATCHSWITCHPAD]] [ptr @"??_R0N@8", i32 0, ptr null]
  35 // CHECK:   call noundef i32 @"?f@@YAHH@Z"(i32 noundef 3)
  36 // CHECK:   catchret from %[[CATCHPAD_DOUBLE]] to label %[[LEAVE_DOUBLE_CATCH:.*]]
  37
  38 // CHECK: [[LEAVE_DOUBLE_CATCH]]
  39 // CHECK:   br label %[[LEAVE_FUNC]]
  40
  41 // CHECK: [[NORMAL]]
  42 // CHECK:   br label %[[LEAVE_FUNC]]
  43
  44 struct Cleanup {
  45   ~Cleanup() { f(-1); }
  46 };
  47
  48 void test_cleanup() {
  49   Cleanup C;
  50   f(1);
  51 }
  52
  53 // CHECK-LABEL: define dso_local {{.*}} @"?test_cleanup@@YAXXZ"(
  54 // CHECK:   invoke noundef i32 @"?f@@YAHH@Z"(i32 noundef 1)
  55 // CHECK:           to label %[[LEAVE_FUNC:.*]] unwind label %[[CLEANUP:.*]]
  56
  57 // CHECK: [[LEAVE_FUNC]]
  58 // CHECK:   call x86_thiscallcc void @"??1Cleanup@@QAE@XZ"(
  59 // CHECK:   ret void
  60
  61 // CHECK: [[CLEANUP]]
  62 // CHECK:   %[[CLEANUPPAD:.*]] = cleanuppad within none []
  63 // CHECK:   call x86_thiscallcc void @"??1Cleanup@@QAE@XZ"(
  64 // CHECK:   cleanupret from %[[CLEANUPPAD]] unwind to caller
  65
  66
  67 // CHECK-LABEL: define {{.*}} void @"??1Cleanup@@QAE@XZ"(
  68 // CHECK:   invoke noundef i32 @"?f@@YAHH@Z"(i32 noundef -1)
  69 // CHECK:           to label %[[LEAVE_FUNC:.*]] unwind label %[[TERMINATE:.*]]
  70
  71 // CHECK: [[LEAVE_FUNC]]
  72 // CHECK:   ret void
  73
  74 // CHECK: [[TERMINATE]]
  75 // CHECK:   %[[CLEANUPPAD:.*]] = cleanuppad within none []
  76 // CHECK-NEXT:   call void @"?terminate@@YAXXZ"() {{.*}} [ "funclet"(token %[[CLEANUPPAD]]) ]
  77