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; REQUIRES: system-darwin && host-unwind-supports-jit
; RUN: lli -jit-kind=orc %s
;
; Check that we can throw exceptions from no-fp functions. On systems that
; support compact-unwind this implicitly tests that we correctly handle
; unwind-info records that depend on DWARF FDEs.
@_ZTIi = external constant ptr
declare ptr @__cxa_allocate_exception(i64)
declare void @__cxa_throw(ptr, ptr, ptr)
declare ptr @__cxa_begin_catch(ptr)
declare void @__cxa_end_catch()
declare i32 @__gxx_personality_v0(...)
declare i32 @llvm.eh.typeid.for.p0(ptr)
define void @_Z3foov() "frame-pointer"="none" {
entry:
%exception = tail call ptr @__cxa_allocate_exception(i64 4)
store i32 42, ptr %exception
tail call void @__cxa_throw(ptr %exception, ptr nonnull @_ZTIi, ptr null)
unreachable
}
define i32 @main(i32 %argc, ptr %argv) "frame-pointer"="all" personality ptr @__gxx_personality_v0 {
entry:
invoke void @_Z3foov()
to label %return.unreachable unwind label %lpad
lpad:
%0 = landingpad { ptr, i32 }
catch ptr @_ZTIi
%1 = extractvalue { ptr, i32 } %0, 1
%2 = tail call i32 @llvm.eh.typeid.for.p0(ptr nonnull @_ZTIi)
%matches = icmp eq i32 %1, %2
br i1 %matches, label %catch, label %eh.resume
catch:
%3 = extractvalue { ptr, i32 } %0, 0
%4 = tail call ptr @__cxa_begin_catch(ptr %3)
%5 = load i32, ptr %4
%sub = sub nsw i32 42, %5
tail call void @__cxa_end_catch()
ret i32 %sub
return.unreachable:
unreachable
eh.resume:
resume { ptr, i32 } %0
}
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