; RUN: opt < %s -instcombine -S | \ | |
; RUN: FileCheck %s | |
; Should be optimized to one and. | |
define i1 @test1(i32 %a, i32 %b) { | |
; CHECK-LABEL: @test1( | |
; CHECK-NEXT: %1 = xor i32 %a, %b | |
; CHECK-NEXT: %2 = and i32 %1, 65280 | |
; CHECK-NEXT: %tmp = icmp ne i32 %2, 0 | |
; CHECK-NEXT: ret i1 %tmp | |
%tmp1 = and i32 %a, 65280 ; <i32> [#uses=1] | |
%tmp3 = and i32 %b, 65280 ; <i32> [#uses=1] | |
%tmp = icmp ne i32 %tmp1, %tmp3 ; <i1> [#uses=1] | |
ret i1 %tmp | |
} |