; The %A getelementptr instruction should be eliminated here

; RUN: if as < %s | opt -instcombine -dce | dis | grep getelementptr | grep '%A'
; RUN: then exit 1
; RUN: else exit 0
; RUN: fi

implementation

int *"foo"(int * %I)
begin
	%A = getelementptr int* %I, uint 17
	store int 23, int* %A

	%B = load int* %A
	store int %B, int* %A, uint 0

	%C = getelementptr int* %A
	ret int* %C
end

int *"foo2"(int * %I)
begin
	%A = getelementptr int* %I, uint 0  ; Noop
	ret int * %A
end


; The %A getelementptr instruction should be eliminated here

; RUN: if as < %s | opt -instcombine -dce | dis | grep getelementptr | grep '%A'
; RUN: then exit 1
; RUN: else exit 0
; RUN: fi

implementation

int *"foo1"(int * %I) { ; Test noop elimination
	%A = getelementptr int* %I, uint 0
	ret int * %A
}

int* %foo2(int* %I) {  ; Test noop elimination
	%A = getelementptr int* %I
	ret int* %A
}
int* %foo3(int * %I) { ; Test that two array indexing geps fold
	%A = getelementptr int* %I, uint 17
	%B = getelementptr int* %A, uint 4
	ret int* %B
}

int* %foo4({int} *%I) { ; Test that two getelementptr insts fold
	%A = getelementptr {int}* %I, uint 1
	%B = getelementptr {int}* %A, uint 0, ubyte 0
	ret int* %B
}

Change test to really test the cases we can hit
Change test to really test the cases we can hit


git-svn-id: 0ff597fd157e6f4fc38580e8d64ab130330d2411@3219 91177308-0d34-0410-b5e6-96231b3b80d8
