1; RUN: llc -mtriple=x86_64-unknown-linux-gnu < %s | FileCheck %s 2 3 4@_ZTIi = external constant ptr 5 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 10define void @_Z4funcv() local_unnamed_addr #0 personality ptr @__gxx_personality_v0 { 11entry: 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 16 17lpad: ; 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) 22 unreachable 23 24unreachable: ; preds = %entry 25 unreachable 26; CHECK-LABEL: _Z4funcv 27; CHECK-NOT: .debug_frame 28; CHECK: .cfi_personality 29; CHECK: .cfi_endproc 30} 31 32declare ptr @__cxa_allocate_exception(i64) local_unnamed_addr 33 34declare void @__cxa_throw(ptr, ptr, ptr) local_unnamed_addr 35 36declare i32 @__gxx_personality_v0(...) 37 38declare void @__cxa_call_unexpected(ptr) local_unnamed_addr 39 40 41attributes #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" } 42 43