1 ; RUN: opt < %s -instcombine -S | FileCheck %s 2 ; rdar://11748024 3 4 define i32 @a(i1 zeroext %x, i1 zeroext %y) { 5 entry: 6 ; CHECK: @a 7 ; CHECK: [[TMP1:%.*]] = zext i1 %y to i32 8 ; CHECK: [[TMP2:%.*]] = select i1 %x, i32 2, i32 1 9 ; CHECK-NEXT: sub i32 [[TMP2]], [[TMP1]] 10 %conv = zext i1 %x to i32 11 %conv3 = zext i1 %y to i32 12 %conv3.neg = sub i32 0, %conv3 13 %sub = add i32 %conv, 1 14 %add = add i32 %sub, %conv3.neg 15 ret i32 %add 16 } 17
