1 ; RUN: llc -mtriple=x86_64-unknown-linux-gnu < %s | FileCheck %s 2 3 4 @_ZTIi = external constant i8* 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 10 define void @_Z4funcv() local_unnamed_addr #0 personality i8* bitcast (i32 (...)* @__gxx_personality_v0 to i8*) { 11 entry: 12 %exception = tail call i8* @__cxa_allocate_exception(i64 4) 13 %0 = bitcast i8* %exception to i32* 14 store i32 100, i32* %0, align 16 15 invoke void @__cxa_throw(i8* %exception, i8* bitcast (i8** @_ZTIi to i8*), i8* null) 16 to label %unreachable unwind label %lpad 17 18 lpad: ; preds = %entry 19 %1 = landingpad { i8*, i32 } 20 filter [0 x i8*] zeroinitializer 21 %2 = extractvalue { i8*, i32 } %1, 0 22 tail call void @__cxa_call_unexpected(i8* %2) 23 unreachable 24 25 unreachable: ; preds = %entry 26 unreachable 27 ; CHECK-LABEL: _Z4funcv 28 ; CHECK-NOT: .debug_frame 29 ; CHECK: .cfi_personality 30 ; CHECK: .cfi_endproc 31 } 32 33 declare i8* @__cxa_allocate_exception(i64) local_unnamed_addr 34 35 declare void @__cxa_throw(i8*, i8*, i8*) local_unnamed_addr 36 37 declare i32 @__gxx_personality_v0(...) 38 39 declare void @__cxa_call_unexpected(i8*) local_unnamed_addr 40 41 42 attributes #0 = { noreturn nounwind "correctly-rounded-divide-sqrt-fp-math"="false" "disable-tail-calls"="false" "less-precise-fpmad"="false" "no-frame-pointer-elim"="false" "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" "target-cpu"="ppc64le" "target-features"="+altivec,+bpermd,+crypto,+direct-move,+extdiv,+htm,+power8-vector,+vsx,-power9-vector,-qpx" "unsafe-fp-math"="false" "use-soft-float"="false" } 43 44
