llvm-mirror/test/Regression/Transforms/InstCombine/and.ll

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

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

implementation

int "test1"(int %A) {
	%B = and int %A, 0     ; zero result
	ret int %B
}

int "test2"(int %A) {
	%B = and int %A, -1    ; noop
	ret int %B
}

bool "test3"(bool %A) {
	%B = and bool %A, false  ; always = false
	ret bool %B
}

bool "test4"(bool %A) {
	%B = and bool %A, true  ; noop
	ret bool %B
}