1 ; RUN: opt < %s -instcombine -S | \ 2 ; RUN: FileCheck %s 3 4 ; Should be optimized to one and. 5 define i1 @test1(i32 %a, i32 %b) { 6 ; CHECK-LABEL: @test1( 7 ; CHECK-NEXT: %1 = xor i32 %a, %b 8 ; CHECK-NEXT: %2 = and i32 %1, 65280 9 ; CHECK-NEXT: %tmp = icmp ne i32 %2, 0 10 ; CHECK-NEXT: ret i1 %tmp 11 %tmp1 = and i32 %a, 65280 ; <i32> [#uses=1] 12 %tmp3 = and i32 %b, 65280 ; <i32> [#uses=1] 13 %tmp = icmp ne i32 %tmp1, %tmp3 ; <i1> [#uses=1] 14 ret i1 %tmp 15 } 16
