; RUN: opt < %s -instcombine -S | FileCheck %s ; Remove an icmp by using its operand in the subsequent logic directly. define i8 @zext_or_icmp_icmp(i8 %a, i8 %b) { %mask = and i8 %a, 1 %toBool1 = icmp eq i8 %mask, 0 %toBool2 = icmp eq i8 %b, 0 %bothCond = or i1 %toBool1, %toBool2 %zext = zext i1 %bothCond to i8 ret i8 %zext ; CHECK-LABEL: zext_or_icmp_icmp( ; CHECK-NEXT: %mask = and i8 %a, 1 ; CHECK-NEXT: %toBool2 = icmp eq i8 %b, 0 ; CHECK-NEXT: %1 = xor i8 %mask, 1 ; CHECK-NEXT: %toBool22 = zext i1 %toBool2 to i8 ; CHECK-NEXT: %zext = or i8 %1, %toBool22 ; CHECK-NEXT: ret i8 %zext }