llvm-project/llvm/test/Regression/Transforms/GlobalDCE/2003-07-01-SelfReference.ll

; distilled from 255.vortex
; RUN: llvm-as < %s | opt -globaldce | llvm-dis | not grep testfunc

implementation

declare bool()* %getfunc()
internal bool %testfunc() {
	%F = call bool()*()* %getfunc()
	%c = seteq bool()* %F, %testfunc
	ret bool %c
}