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; This test makes sure that these instructions are properly eliminated.
;

; RUN: if as < %s | opt -instcombine | dis | grep or\ 
; RUN: then exit 1
; RUN: else exit 0
; RUN: fi

implementation

int %test1(int %A) {
	%B = or int %A, 0
	ret int %B
}

int %test2(int %A) {
	%B = or int %A, -1
	ret int %B
}

bool %test3(bool %A) {
	%B = or bool %A, false
	ret bool %B
}

bool %test4(bool %A) {
	%B = or bool %A, true
	ret bool %B
}

bool %test5(bool %A) {
	%B = xor bool %A, false
	ret bool %B
}

int %test6(int %A) {
	%B = xor int %A, 0
	ret int %B
}

bool %test7(bool %A) {
	%B = xor bool %A, %A
	ret bool %B
}

int %test8(int %A) {
	%B = xor int %A, %A
	ret int %B
}

bool %test9(bool %A) {
	%B = or bool %A, %A
	ret bool %B
}

int %test10(int %A) {
	%B = or int %A, %A
	ret int %B
}

int %test11(int %A) {    ; A ^ ~A == -1
        %NotA = xor int -1, %A
        %B = xor int %A, %NotA
        ret int %B
}

int %test12(int %A) {    ; A | ~A == -1
        %NotA = xor int -1, %A
        %B = or int %A, %NotA
        ret int %B
}

uint %test13(uint %A) { ; (A|B)^B == A & (~B)
	%t1 = or uint %A, 123
	%r  = xor uint %t1, 123
	ret uint %r
}
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