1; RUN: opt < %s -instcombine -S | \
2; RUN: FileCheck %s
3
4; Should be optimized to one and.
5define 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