1 ; RUN: llc -mtriple=x86_64-unknown-linux-gnu < %s | FileCheck %s
4 @_ZTIi = external constant ptr
6 ; Function is marked as nounwind but it still throws with __cxa_throw and
7 ; calls __cxa_call_unexpected.
8 ; Need to make sure that we do not only have a debug frame.
9 ; Function Attrs: noreturn nounwind
10 define void @_Z4funcv() local_unnamed_addr #0 personality ptr @__gxx_personality_v0 {
12 %exception = tail call ptr @__cxa_allocate_exception(i64 4)
13 store i32 100, ptr %exception, align 16
14 invoke void @__cxa_throw(ptr %exception, ptr @_ZTIi, ptr null)
15 to label %unreachable unwind label %lpad
17 lpad: ; preds = %entry
18 %0 = landingpad { ptr, i32 }
19 filter [0 x ptr] zeroinitializer
20 %1 = extractvalue { ptr, i32 } %0, 0
21 tail call void @__cxa_call_unexpected(ptr %1)
24 unreachable: ; preds = %entry
26 ; CHECK-LABEL: _Z4funcv
27 ; CHECK-NOT: .debug_frame
28 ; CHECK: .cfi_personality
32 declare ptr @__cxa_allocate_exception(i64) local_unnamed_addr
34 declare void @__cxa_throw(ptr, ptr, ptr) local_unnamed_addr
36 declare i32 @__gxx_personality_v0(...)
38 declare void @__cxa_call_unexpected(ptr) local_unnamed_addr
41 attributes #0 = { noreturn nounwind "correctly-rounded-divide-sqrt-fp-math"="false" "disable-tail-calls"="false" "less-precise-fpmad"="false" "frame-pointer"="none" "no-infs-fp-math"="false" "no-jump-tables"="false" "no-nans-fp-math"="false" "no-signed-zeros-fp-math"="false" "no-trapping-math"="false" "stack-protector-buffer-size"="8" "unsafe-fp-math"="false" "use-soft-float"="false" }