78 lines
		
	
	
		
			2.4 KiB
		
	
	
	
		
			C++
		
	
	
	
			
		
		
	
	
			78 lines
		
	
	
		
			2.4 KiB
		
	
	
	
		
			C++
		
	
	
	
// RUN: %clang_cc1 %s -triple i686-pc-win32 -fms-extensions -fexceptions -fcxx-exceptions -emit-llvm -o - -std=c++11 | FileCheck %s
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int f(int);
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void test_catch() {
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  try {
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    f(1);
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  } catch (int) {
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    f(2);
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  } catch (double) {
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    f(3);
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  }
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}
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// CHECK-LABEL: define dso_local void @"?test_catch@@YAXXZ"(
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// CHECK:   invoke noundef i32 @"?f@@YAHH@Z"(i32 noundef 1)
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// CHECK:         to label %[[NORMAL:.*]] unwind label %[[CATCHSWITCH:.*]]
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// CHECK: [[CATCHSWITCH]]
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// CHECK:   %[[CATCHSWITCHPAD:.*]] = catchswitch within none [label %[[CATCH_INT:.*]], label %[[CATCH_DOUBLE:.*]]] unwind to caller
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// CHECK: [[CATCH_INT]]
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// CHECK:   %[[CATCHPAD_INT:.*]] = catchpad within %[[CATCHSWITCHPAD]] [%rtti.TypeDescriptor2* @"??_R0H@8", i32 0, i8* null]
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// CHECK:   call noundef i32 @"?f@@YAHH@Z"(i32 noundef 2)
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// CHECK:   catchret from %[[CATCHPAD_INT]] to label %[[LEAVE_INT_CATCH:.*]]
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// CHECK: [[LEAVE_INT_CATCH]]
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// CHECK:   br label %[[LEAVE_FUNC:.*]]
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// CHECK: [[LEAVE_FUNC]]
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// CHECK:   ret void
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// CHECK: [[CATCH_DOUBLE]]
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// CHECK:   %[[CATCHPAD_DOUBLE:.*]] = catchpad within %[[CATCHSWITCHPAD]] [%rtti.TypeDescriptor2* @"??_R0N@8", i32 0, i8* null]
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// CHECK:   call noundef i32 @"?f@@YAHH@Z"(i32 noundef 3)
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// CHECK:   catchret from %[[CATCHPAD_DOUBLE]] to label %[[LEAVE_DOUBLE_CATCH:.*]]
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// CHECK: [[LEAVE_DOUBLE_CATCH]]
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// CHECK:   br label %[[LEAVE_FUNC]]
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// CHECK: [[NORMAL]]
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// CHECK:   br label %[[LEAVE_FUNC]]
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struct Cleanup {
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  ~Cleanup() { f(-1); }
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};
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void test_cleanup() {
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  Cleanup C;
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  f(1);
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}
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// CHECK-LABEL: define dso_local {{.*}} @"?test_cleanup@@YAXXZ"(
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// CHECK:   invoke noundef i32 @"?f@@YAHH@Z"(i32 noundef 1)
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// CHECK:           to label %[[LEAVE_FUNC:.*]] unwind label %[[CLEANUP:.*]]
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// CHECK: [[LEAVE_FUNC]]
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// CHECK:   call x86_thiscallcc void @"??1Cleanup@@QAE@XZ"(
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// CHECK:   ret void
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// CHECK: [[CLEANUP]]
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// CHECK:   %[[CLEANUPPAD:.*]] = cleanuppad within none []
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// CHECK:   call x86_thiscallcc void @"??1Cleanup@@QAE@XZ"(
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// CHECK:   cleanupret from %[[CLEANUPPAD]] unwind to caller
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// CHECK-LABEL: define {{.*}} void @"??1Cleanup@@QAE@XZ"(
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// CHECK:   invoke noundef i32 @"?f@@YAHH@Z"(i32 noundef -1)
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// CHECK:           to label %[[LEAVE_FUNC:.*]] unwind label %[[TERMINATE:.*]]
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// CHECK: [[LEAVE_FUNC]]
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// CHECK:   ret void
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// CHECK: [[TERMINATE]]
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// CHECK:   %[[CLEANUPPAD:.*]] = cleanuppad within none []
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// CHECK-NEXT:   call void @"?terminate@@YAXXZ"() {{.*}} [ "funclet"(token %[[CLEANUPPAD]]) ]
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