| ; RUN: opt < %s -instcombine -S | FileCheck %s | |
| ; rdar://10770603 | |
| ; (x & y) | (x ^ y) -> x | y | |
| define i64 @or(i64 %x, i64 %y) nounwind uwtable readnone ssp { | |
| %1 = and i64 %y, %x | |
| %2 = xor i64 %y, %x | |
| %3 = add i64 %1, %2 | |
| ret i64 %3 | |
| ; CHECK-LABEL: @or( | |
| ; CHECK: or i64 | |
| ; CHECK-NEXT: ret | |
| } | |
| ; (x & y) + (x ^ y) -> x | y | |
| define i64 @or2(i64 %x, i64 %y) nounwind uwtable readnone ssp { | |
| %1 = and i64 %y, %x | |
| %2 = xor i64 %y, %x | |
| %3 = or i64 %1, %2 | |
| ret i64 %3 | |
| ; CHECK-LABEL: @or2( | |
| ; CHECK: or i64 | |
| ; CHECK-NEXT: ret | |
| } |