llvm-mirror/test/Transforms/ConstProp/logicaltest.ll

; Ensure constant propogation of logical instructions is working correctly.

; RUN: llvm-as < %s | opt -constprop -die | llvm-dis | \
; RUN:   not egrep {and|or|xor}

define i32 @test1() {
        %R = and i32 4, 1234            ; <i32> [#uses=1]
        ret i32 %R
}

define i1 @test1.upgrd.1() {
        %R = and i1 true, false         ; <i1> [#uses=1]
        ret i1 %R
}

define i32 @test2() {
        %R = or i32 4, 1234             ; <i32> [#uses=1]
        ret i32 %R
}

define i1 @test2.upgrd.2() {
        %R = or i1 true, false          ; <i1> [#uses=1]
        ret i1 %R
}

define i32 @test3() {
        %R = xor i32 4, 1234            ; <i32> [#uses=1]
        ret i32 %R
}

define i1 @test3.upgrd.3() {
        %R = xor i1 true, false         ; <i1> [#uses=1]
        ret i1 %R
}