llvm/test/Transforms/GlobalOpt/storepointer-compare.llx

; RUN: llvm-upgrade < %s | llvm-as | opt -globalopt | llvm-dis | \
; RUN:   grep {call void @Actual}

; Check that a comparison does not prevent an indirect call from being made 
; direct.  The global will still remain, but indirect call elim is still good.

%G = internal global void ()* null

implementation

internal void %Actual() {
	ret void
}

void %init() {
	store void()* %Actual, void()** %G
	ret void
}

void %doit() {
	%FP = load void()** %G
	%CC = seteq void()* %FP, null
	br bool %CC, label %isNull, label %DoCall
DoCall:
	call void %FP()
	ret void
isNull:
	ret void
}