dce_pure_invoke.ll
460 Bytes
; RUN: opt < %s -adce -S | grep null
declare i32 @strlen(i8*) readnone
define i32 @test() personality i32 (...)* @__gxx_personality_v0 {
; invoke of pure function should not be deleted!
invoke i32 @strlen( i8* null ) readnone
to label %Cont unwind label %Other ; <i32>:1 [#uses=0]
Cont: ; preds = %0
ret i32 0
Other: ; preds = %0
%exn = landingpad {i8*, i32}
cleanup
ret i32 1
}
declare i32 @__gxx_personality_v0(...)