; NOTE: Assertions have been autogenerated by utils/update_test_checks.py ; RUN: opt < %s -passes=instcombine -S | FileCheck %s target datalayout = "n8:16:32:64" declare void @use(i8) declare void @use_vec(<2 x i8>) define i32 @select_icmp_eq_and_1_0_or_2(i32 %x, i32 %y) { ; CHECK-LABEL: @select_icmp_eq_and_1_0_or_2( ; CHECK-NEXT: [[AND:%.*]] = shl i32 [[X:%.*]], 1 ; CHECK-NEXT: [[TMP1:%.*]] = and i32 [[AND]], 2 ; CHECK-NEXT: [[TMP2:%.*]] = or i32 [[TMP1]], [[Y:%.*]] ; CHECK-NEXT: ret i32 [[TMP2]] ; %and = and i32 %x, 1 %cmp = icmp eq i32 %and, 0 %or = or i32 %y, 2 %select = select i1 %cmp, i32 %y, i32 %or ret i32 %select } define <2 x i32> @select_icmp_eq_and_1_0_or_2_vec(<2 x i32> %x, <2 x i32> %y) { ; CHECK-LABEL: @select_icmp_eq_and_1_0_or_2_vec( ; CHECK-NEXT: [[AND:%.*]] = shl <2 x i32> [[X:%.*]], <i32 1, i32 1> ; CHECK-NEXT: [[TMP1:%.*]] = and <2 x i32> [[AND]], <i32 2, i32 2> ; CHECK-NEXT: [[TMP2:%.*]] = or <2 x i32> [[TMP1]], [[Y:%.*]] ; CHECK-NEXT: ret <2 x i32> [[TMP2]] ; %and = and <2 x i32> %x, <i32 1, i32 1> %cmp = icmp eq <2 x i32> %and, zeroinitializer %or = or <2 x i32> %y, <i32 2, i32 2> %select = select <2 x i1> %cmp, <2 x i32> %y, <2 x i32> %or ret <2 x i32> %select } define i32 @select_icmp_eq_and_1_0_xor_2(i32 %x, i32 %y) { ; CHECK-LABEL: @select_icmp_eq_and_1_0_xor_2( ; CHECK-NEXT: [[AND:%.*]] = and i32 [[X:%.*]], 1 ; CHECK-NEXT: [[CMP:%.*]] = icmp eq i32 [[AND]], 0 ; CHECK-NEXT: [[XOR:%.*]] = xor i32 [[Y:%.*]], 2 ; CHECK-NEXT: [[SELECT:%.*]] = select i1 [[CMP]], i32 [[Y]], i32 [[XOR]] ; CHECK-NEXT: ret i32 [[SELECT]] ; %and = and i32 %x, 1 %cmp = icmp eq i32 %and, 0 %xor = xor i32 %y, 2 %select = select i1 %cmp, i32 %y, i32 %xor ret i32 %select } define i32 @select_icmp_eq_and_1_0_and_not_2(i32 %x, i32 %y) { ; CHECK-LABEL: @select_icmp_eq_and_1_0_and_not_2( ; CHECK-NEXT: [[AND:%.*]] = and i32 [[X:%.*]], 1 ; CHECK-NEXT: [[CMP:%.*]] = icmp eq i32 [[AND]], 0 ; CHECK-NEXT: [[AND2:%.*]] = and i32 [[Y:%.*]], -3 ; CHECK-NEXT: [[SELECT:%.*]] = select i1 [[CMP]], i32 [[Y]], i32 [[AND2]] ; CHECK-NEXT: ret i32 [[SELECT]] ; %and = and i32 %x, 1 %cmp = icmp eq i32 %and, 0 %and2 = and i32 %y, -3 %select = select i1 %cmp, i32 %y, i32 %and2 ret i32 %select } define i32 @select_icmp_eq_and_32_0_or_8(i32 %x, i32 %y) { ; CHECK-LABEL: @select_icmp_eq_and_32_0_or_8( ; CHECK-NEXT: [[AND:%.*]] = lshr i32 [[X:%.*]], 2 ; CHECK-NEXT: [[TMP1:%.*]] = and i32 [[AND]], 8 ; CHECK-NEXT: [[TMP2:%.*]] = or i32 [[TMP1]], [[Y:%.*]] ; CHECK-NEXT: ret i32 [[TMP2]] ; %and = and i32 %x, 32 %cmp = icmp eq i32 %and, 0 %or = or i32 %y, 8 %select = select i1 %cmp, i32 %y, i32 %or ret i32 %select } define <2 x i32> @select_icmp_eq_and_32_0_or_8_vec(<2 x i32> %x, <2 x i32> %y) { ; CHECK-LABEL: @select_icmp_eq_and_32_0_or_8_vec( ; CHECK-NEXT: [[AND:%.*]] = lshr <2 x i32> [[X:%.*]], <i32 2, i32 2> ; CHECK-NEXT: [[TMP1:%.*]] = and <2 x i32> [[AND]], <i32 8, i32 8> ; CHECK-NEXT: [[TMP2:%.*]] = or <2 x i32> [[TMP1]], [[Y:%.*]] ; CHECK-NEXT: ret <2 x i32> [[TMP2]] ; %and = and <2 x i32> %x, <i32 32, i32 32> %cmp = icmp eq <2 x i32> %and, zeroinitializer %or = or <2 x i32> %y, <i32 8, i32 8> %select = select <2 x i1> %cmp, <2 x i32> %y, <2 x i32> %or ret <2 x i32> %select } define i32 @select_icmp_eq_and_32_0_xor_8(i32 %x, i32 %y) { ; CHECK-LABEL: @select_icmp_eq_and_32_0_xor_8( ; CHECK-NEXT: [[AND:%.*]] = and i32 [[X:%.*]], 32 ; CHECK-NEXT: [[CMP:%.*]] = icmp eq i32 [[AND]], 0 ; CHECK-NEXT: [[XOR:%.*]] = xor i32 [[Y:%.*]], 8 ; CHECK-NEXT: [[SELECT:%.*]] = select i1 [[CMP]], i32 [[Y]], i32 [[XOR]] ; CHECK-NEXT: ret i32 [[SELECT]] ; %and = and i32 %x, 32 %cmp = icmp eq i32 %and, 0 %xor = xor i32 %y, 8 %select = select i1 %cmp, i32 %y, i32 %xor ret i32 %select } define i32 @select_icmp_eq_and_32_0_and_not_8(i32 %x, i32 %y) { ; CHECK-LABEL: @select_icmp_eq_and_32_0_and_not_8( ; CHECK-NEXT: [[AND:%.*]] = and i32 [[X:%.*]], 32 ; CHECK-NEXT: [[CMP:%.*]] = icmp eq i32 [[AND]], 0 ; CHECK-NEXT: [[AND2:%.*]] = and i32 [[Y:%.*]], -9 ; CHECK-NEXT: [[SELECT:%.*]] = select i1 [[CMP]], i32 [[Y]], i32 [[AND2]] ; CHECK-NEXT: ret i32 [[SELECT]] ; %and = and i32 %x, 32 %cmp = icmp eq i32 %and, 0 %and2 = and i32 %y, -9 %select = select i1 %cmp, i32 %y, i32 %and2 ret i32 %select } define i32 @select_icmp_ne_0_and_4096_or_4096(i32 %x, i32 %y) { ; CHECK-LABEL: @select_icmp_ne_0_and_4096_or_4096( ; CHECK-NEXT: [[AND:%.*]] = and i32 [[X:%.*]], 4096 ; CHECK-NEXT: [[TMP1:%.*]] = xor i32 [[AND]], 4096 ; CHECK-NEXT: [[TMP2:%.*]] = or i32 [[TMP1]], [[Y:%.*]] ; CHECK-NEXT: ret i32 [[TMP2]] ; %and = and i32 %x, 4096 %cmp = icmp ne i32 0, %and %or = or i32 %y, 4096 %select = select i1 %cmp, i32 %y, i32 %or ret i32 %select } define <2 x i32> @select_icmp_ne_0_and_4096_or_4096_vec(<2 x i32> %x, <2 x i32> %y) { ; CHECK-LABEL: @select_icmp_ne_0_and_4096_or_4096_vec( ; CHECK-NEXT: [[AND:%.*]] = and <2 x i32> [[X:%.*]], <i32 4096, i32 4096> ; CHECK-NEXT: [[TMP1:%.*]] = xor <2 x i32> [[AND]], <i32 4096, i32 4096> ; CHECK-NEXT: [[TMP2:%.*]] = or <2 x i32> [[TMP1]], [[Y:%.*]] ; CHECK-NEXT: ret <2 x i32> [[TMP2]] ; %and = and <2 x i32> %x, <i32 4096, i32 4096> %cmp = icmp ne <2 x i32> zeroinitializer, %and %or = or <2 x i32> %y, <i32 4096, i32 4096> %select = select <2 x i1> %cmp, <2 x i32> %y, <2 x i32> %or ret <2 x i32> %select } define i32 @select_icmp_ne_0_and_4096_xor_4096(i32 %x, i32 %y) { ; CHECK-LABEL: @select_icmp_ne_0_and_4096_xor_4096( ; CHECK-NEXT: [[AND:%.*]] = and i32 [[X:%.*]], 4096 ; CHECK-NEXT: [[CMP_NOT:%.*]] = icmp eq i32 [[AND]], 0 ; CHECK-NEXT: [[XOR:%.*]] = xor i32 [[Y:%.*]], 4096 ; CHECK-NEXT: [[SELECT:%.*]] = select i1 [[CMP_NOT]], i32 [[XOR]], i32 [[Y]] ; CHECK-NEXT: ret i32 [[SELECT]] ; %and = and i32 %x, 4096 %cmp = icmp ne i32 0, %and %xor = xor i32 %y, 4096 %select = select i1 %cmp, i32 %y, i32 %xor ret i32 %select } define i32 @select_icmp_ne_0_and_4096_and_not_4096(i32 %x, i32 %y) { ; CHECK-LABEL: @select_icmp_ne_0_and_4096_and_not_4096( ; CHECK-NEXT: [[AND:%.*]] = and i32 [[X:%.*]], 4096 ; CHECK-NEXT: [[CMP_NOT:%.*]] = icmp eq i32 [[AND]], 0 ; CHECK-NEXT: [[AND2:%.*]] = and i32 [[Y:%.*]], -4097 ; CHECK-NEXT: [[SELECT:%.*]] = select i1 [[CMP_NOT]], i32 [[AND2]], i32 [[Y]] ; CHECK-NEXT: ret i32 [[SELECT]] ; %and = and i32 %x, 4096 %cmp = icmp ne i32 0, %and %and2 = and i32 %y, -4097 %select = select i1 %cmp, i32 %y, i32 %and2 ret i32 %select } define i32 @select_icmp_eq_and_4096_0_or_4096(i32 %x, i32 %y) { ; CHECK-LABEL: @select_icmp_eq_and_4096_0_or_4096( ; CHECK-NEXT: [[AND:%.*]] = and i32 [[X:%.*]], 4096 ; CHECK-NEXT: [[TMP1:%.*]] = or i32 [[AND]], [[Y:%.*]] ; CHECK-NEXT: ret i32 [[TMP1]] ; %and = and i32 %x, 4096 %cmp = icmp eq i32 %and, 0 %or = or i32 %y, 4096 %select = select i1 %cmp, i32 %y, i32 %or ret i32 %select } define <2 x i32> @select_icmp_eq_and_4096_0_or_4096_vec(<2 x i32> %x, <2 x i32> %y) { ; CHECK-LABEL: @select_icmp_eq_and_4096_0_or_4096_vec( ; CHECK-NEXT: [[AND:%.*]] = and <2 x i32> [[X:%.*]], <i32 4096, i32 4096> ; CHECK-NEXT: [[TMP1:%.*]] = or <2 x i32> [[AND]], [[Y:%.*]] ; CHECK-NEXT: ret <2 x i32> [[TMP1]] ; %and = and <2 x i32> %x, <i32 4096, i32 4096> %cmp = icmp eq <2 x i32> %and, zeroinitializer %or = or <2 x i32> %y, <i32 4096, i32 4096> %select = select <2 x i1> %cmp, <2 x i32> %y, <2 x i32> %or ret <2 x i32> %select } define i32 @select_icmp_eq_and_4096_0_xor_4096(i32 %x, i32 %y) { ; CHECK-LABEL: @select_icmp_eq_and_4096_0_xor_4096( ; CHECK-NEXT: [[AND:%.*]] = and i32 [[X:%.*]], 4096 ; CHECK-NEXT: [[CMP:%.*]] = icmp eq i32 [[AND]], 0 ; CHECK-NEXT: [[XOR:%.*]] = xor i32 [[Y:%.*]], 4096 ; CHECK-NEXT: [[SELECT:%.*]] = select i1 [[CMP]], i32 [[Y]], i32 [[XOR]] ; CHECK-NEXT: ret i32 [[SELECT]] ; %and = and i32 %x, 4096 %cmp = icmp eq i32 %and, 0 %xor = xor i32 %y, 4096 %select = select i1 %cmp, i32 %y, i32 %xor ret i32 %select } define i32 @select_icmp_eq_and_4096_0_and_not_4096(i32 %x, i32 %y) { ; CHECK-LABEL: @select_icmp_eq_and_4096_0_and_not_4096( ; CHECK-NEXT: [[AND:%.*]] = and i32 [[X:%.*]], 4096 ; CHECK-NEXT: [[CMP:%.*]] = icmp eq i32 [[AND]], 0 ; CHECK-NEXT: [[AND2:%.*]] = and i32 [[Y:%.*]], -4097 ; CHECK-NEXT: [[SELECT:%.*]] = select i1 [[CMP]], i32 [[Y]], i32 [[AND2]] ; CHECK-NEXT: ret i32 [[SELECT]] ; %and = and i32 %x, 4096 %cmp = icmp eq i32 %and, 0 %and2 = and i32 %y, -4097 %select = select i1 %cmp, i32 %y, i32 %and2 ret i32 %select } define i32 @select_icmp_eq_0_and_1_or_1(i64 %x, i32 %y) { ; CHECK-LABEL: @select_icmp_eq_0_and_1_or_1( ; CHECK-NEXT: [[TMP1:%.*]] = trunc i64 [[X:%.*]] to i32 ; CHECK-NEXT: [[TMP2:%.*]] = and i32 [[TMP1]], 1 ; CHECK-NEXT: [[TMP3:%.*]] = or i32 [[TMP2]], [[Y:%.*]] ; CHECK-NEXT: ret i32 [[TMP3]] ; %and = and i64 %x, 1 %cmp = icmp eq i64 %and, 0 %or = or i32 %y, 1 %select = select i1 %cmp, i32 %y, i32 %or ret i32 %select } define <2 x i32> @select_icmp_eq_0_and_1_or_1_vec(<2 x i64> %x, <2 x i32> %y) { ; CHECK-LABEL: @select_icmp_eq_0_and_1_or_1_vec( ; CHECK-NEXT: [[TMP1:%.*]] = trunc <2 x i64> [[X:%.*]] to <2 x i32> ; CHECK-NEXT: [[TMP2:%.*]] = and <2 x i32> [[TMP1]], <i32 1, i32 1> ; CHECK-NEXT: [[TMP3:%.*]] = or <2 x i32> [[TMP2]], [[Y:%.*]] ; CHECK-NEXT: ret <2 x i32> [[TMP3]] ; %and = and <2 x i64> %x, <i64 1, i64 1> %cmp = icmp eq <2 x i64> %and, zeroinitializer %or = or <2 x i32> %y, <i32 1, i32 1> %select = select <2 x i1> %cmp, <2 x i32> %y, <2 x i32> %or ret <2 x i32> %select } define i32 @select_icmp_eq_0_and_1_xor_1(i64 %x, i32 %y) { ; CHECK-LABEL: @select_icmp_eq_0_and_1_xor_1( ; CHECK-NEXT: [[TMP1:%.*]] = trunc i64 [[X:%.*]] to i32 ; CHECK-NEXT: [[TMP2:%.*]] = and i32 [[TMP1]], 1 ; CHECK-NEXT: [[SELECT:%.*]] = xor i32 [[TMP2]], [[Y:%.*]] ; CHECK-NEXT: ret i32 [[SELECT]] ; %and = and i64 %x, 1 %cmp = icmp eq i64 %and, 0 %xor = xor i32 %y, 1 %select = select i1 %cmp, i32 %y, i32 %xor ret i32 %select } define i32 @select_icmp_eq_0_and_1_and_not_1(i64 %x, i32 %y) { ; CHECK-LABEL: @select_icmp_eq_0_and_1_and_not_1( ; CHECK-NEXT: [[AND:%.*]] = and i64 [[X:%.*]], 1 ; CHECK-NEXT: [[CMP:%.*]] = icmp eq i64 [[AND]], 0 ; CHECK-NEXT: [[AND2:%.*]] = and i32 [[Y:%.*]], -2 ; CHECK-NEXT: [[SELECT:%.*]] = select i1 [[CMP]], i32 [[Y]], i32 [[AND2]] ; CHECK-NEXT: ret i32 [[SELECT]] ; %and = and i64 %x, 1 %cmp = icmp eq i64 %and, 0 %and2 = and i32 %y, -2 %select = select i1 %cmp, i32 %y, i32 %and2 ret i32 %select } define i32 @select_icmp_ne_0_and_4096_or_32(i32 %x, i32 %y) { ; CHECK-LABEL: @select_icmp_ne_0_and_4096_or_32( ; CHECK-NEXT: [[AND:%.*]] = lshr i32 [[X:%.*]], 7 ; CHECK-NEXT: [[TMP1:%.*]] = and i32 [[AND]], 32 ; CHECK-NEXT: [[TMP2:%.*]] = xor i32 [[TMP1]], 32 ; CHECK-NEXT: [[TMP3:%.*]] = or i32 [[TMP2]], [[Y:%.*]] ; CHECK-NEXT: ret i32 [[TMP3]] ; %and = and i32 %x, 4096 %cmp = icmp ne i32 0, %and %or = or i32 %y, 32 %select = select i1 %cmp, i32 %y, i32 %or ret i32 %select } define i32 @select_icmp_ne_0_and_4096_xor_32(i32 %x, i32 %y) { ; CHECK-LABEL: @select_icmp_ne_0_and_4096_xor_32( ; CHECK-NEXT: [[AND:%.*]] = and i32 [[X:%.*]], 4096 ; CHECK-NEXT: [[CMP_NOT:%.*]] = icmp eq i32 [[AND]], 0 ; CHECK-NEXT: [[XOR:%.*]] = xor i32 [[Y:%.*]], 32 ; CHECK-NEXT: [[SELECT:%.*]] = select i1 [[CMP_NOT]], i32 [[XOR]], i32 [[Y]] ; CHECK-NEXT: ret i32 [[SELECT]] ; %and = and i32 %x, 4096 %cmp = icmp ne i32 0, %and %xor = xor i32 %y, 32 %select = select i1 %cmp, i32 %y, i32 %xor ret i32 %select } define i32 @select_icmp_ne_0_and_4096_and_not_32(i32 %x, i32 %y) { ; CHECK-LABEL: @select_icmp_ne_0_and_4096_and_not_32( ; CHECK-NEXT: [[AND:%.*]] = and i32 [[X:%.*]], 4096 ; CHECK-NEXT: [[CMP_NOT:%.*]] = icmp eq i32 [[AND]], 0 ; CHECK-NEXT: [[AND2:%.*]] = and i32 [[Y:%.*]], -33 ; CHECK-NEXT: [[SELECT:%.*]] = select i1 [[CMP_NOT]], i32 [[AND2]], i32 [[Y]] ; CHECK-NEXT: ret i32 [[SELECT]] ; %and = and i32 %x, 4096 %cmp = icmp ne i32 0, %and %and2 = and i32 %y, -33 %select = select i1 %cmp, i32 %y, i32 %and2 ret i32 %select } define i32 @select_icmp_ne_0_and_32_or_4096(i32 %x, i32 %y) { ; CHECK-LABEL: @select_icmp_ne_0_and_32_or_4096( ; CHECK-NEXT: [[AND:%.*]] = shl i32 [[X:%.*]], 7 ; CHECK-NEXT: [[TMP1:%.*]] = and i32 [[AND]], 4096 ; CHECK-NEXT: [[TMP2:%.*]] = xor i32 [[TMP1]], 4096 ; CHECK-NEXT: [[TMP3:%.*]] = or i32 [[TMP2]], [[Y:%.*]] ; CHECK-NEXT: ret i32 [[TMP3]] ; %and = and i32 %x, 32 %cmp = icmp ne i32 0, %and %or = or i32 %y, 4096 %select = select i1 %cmp, i32 %y, i32 %or ret i32 %select } define <2 x i32> @select_icmp_ne_0_and_32_or_4096_vec(<2 x i32> %x, <2 x i32> %y) { ; CHECK-LABEL: @select_icmp_ne_0_and_32_or_4096_vec( ; CHECK-NEXT: [[AND:%.*]] = shl <2 x i32> [[X:%.*]], <i32 7, i32 7> ; CHECK-NEXT: [[TMP1:%.*]] = and <2 x i32> [[AND]], <i32 4096, i32 4096> ; CHECK-NEXT: [[TMP2:%.*]] = xor <2 x i32> [[TMP1]], <i32 4096, i32 4096> ; CHECK-NEXT: [[TMP3:%.*]] = or <2 x i32> [[TMP2]], [[Y:%.*]] ; CHECK-NEXT: ret <2 x i32> [[TMP3]] ; %and = and <2 x i32> %x, <i32 32, i32 32> %cmp = icmp ne <2 x i32> zeroinitializer, %and %or = or <2 x i32> %y, <i32 4096, i32 4096> %select = select <2 x i1> %cmp, <2 x i32> %y, <2 x i32> %or ret <2 x i32> %select } define i32 @select_icmp_ne_0_and_32_xor_4096(i32 %x, i32 %y) { ; CHECK-LABEL: @select_icmp_ne_0_and_32_xor_4096( ; CHECK-NEXT: [[AND:%.*]] = and i32 [[X:%.*]], 32 ; CHECK-NEXT: [[CMP_NOT:%.*]] = icmp eq i32 [[AND]], 0 ; CHECK-NEXT: [[XOR:%.*]] = xor i32 [[Y:%.*]], 4096 ; CHECK-NEXT: [[SELECT:%.*]] = select i1 [[CMP_NOT]], i32 [[XOR]], i32 [[Y]] ; CHECK-NEXT: ret i32 [[SELECT]] ; %and = and i32 %x, 32 %cmp = icmp ne i32 0, %and %xor = xor i32 %y, 4096 %select = select i1 %cmp, i32 %y, i32 %xor ret i32 %select } define i32 @select_icmp_ne_0_and_32_and_not_4096(i32 %x, i32 %y) { ; CHECK-LABEL: @select_icmp_ne_0_and_32_and_not_4096( ; CHECK-NEXT: [[AND:%.*]] = and i32 [[X:%.*]], 32 ; CHECK-NEXT: [[CMP_NOT:%.*]] = icmp eq i32 [[AND]], 0 ; CHECK-NEXT: [[AND2:%.*]] = and i32 [[Y:%.*]], -4097 ; CHECK-NEXT: [[SELECT:%.*]] = select i1 [[CMP_NOT]], i32 [[AND2]], i32 [[Y]] ; CHECK-NEXT: ret i32 [[SELECT]] ; %and = and i32 %x, 32 %cmp = icmp ne i32 0, %and %and2 = and i32 %y, -4097 %select = select i1 %cmp, i32 %y, i32 %and2 ret i32 %select } define i8 @select_icmp_ne_0_and_1073741824_or_8(i32 %x, i8 %y) { ; CHECK-LABEL: @select_icmp_ne_0_and_1073741824_or_8( ; CHECK-NEXT: [[AND:%.*]] = and i32 [[X:%.*]], 1073741824 ; CHECK-NEXT: [[CMP_NOT:%.*]] = icmp eq i32 [[AND]], 0 ; CHECK-NEXT: [[OR:%.*]] = or i8 [[Y:%.*]], 8 ; CHECK-NEXT: [[SELECT:%.*]] = select i1 [[CMP_NOT]], i8 [[OR]], i8 [[Y]] ; CHECK-NEXT: ret i8 [[SELECT]] ; %and = and i32 %x, 1073741824 %cmp = icmp ne i32 0, %and %or = or i8 %y, 8 %select = select i1 %cmp, i8 %y, i8 %or ret i8 %select } define i8 @select_icmp_ne_0_and_1073741824_xor_8(i32 %x, i8 %y) { ; CHECK-LABEL: @select_icmp_ne_0_and_1073741824_xor_8( ; CHECK-NEXT: [[AND:%.*]] = and i32 [[X:%.*]], 1073741824 ; CHECK-NEXT: [[CMP_NOT:%.*]] = icmp eq i32 [[AND]], 0 ; CHECK-NEXT: [[XOR:%.*]] = xor i8 [[Y:%.*]], 8 ; CHECK-NEXT: [[SELECT:%.*]] = select i1 [[CMP_NOT]], i8 [[XOR]], i8 [[Y]] ; CHECK-NEXT: ret i8 [[SELECT]] ; %and = and i32 %x, 1073741824 %cmp = icmp ne i32 0, %and %xor = xor i8 %y, 8 %select = select i1 %cmp, i8 %y, i8 %xor ret i8 %select } define i8 @select_icmp_ne_0_and_1073741824_and_not_8(i32 %x, i8 %y) { ; CHECK-LABEL: @select_icmp_ne_0_and_1073741824_and_not_8( ; CHECK-NEXT: [[AND:%.*]] = and i32 [[X:%.*]], 1073741824 ; CHECK-NEXT: [[CMP_NOT:%.*]] = icmp eq i32 [[AND]], 0 ; CHECK-NEXT: [[AND2:%.*]] = and i8 [[Y:%.*]], -9 ; CHECK-NEXT: [[SELECT:%.*]] = select i1 [[CMP_NOT]], i8 [[AND2]], i8 [[Y]] ; CHECK-NEXT: ret i8 [[SELECT]] ; %and = and i32 %x, 1073741824 %cmp = icmp ne i32 0, %and %and2 = and i8 %y, -9 %select = select i1 %cmp, i8 %y, i8 %and2 ret i8 %select } define i32 @select_icmp_ne_0_and_8_or_1073741824(i8 %x, i32 %y) { ; CHECK-LABEL: @select_icmp_ne_0_and_8_or_1073741824( ; CHECK-NEXT: [[AND:%.*]] = and i8 [[X:%.*]], 8 ; CHECK-NEXT: [[CMP_NOT:%.*]] = icmp eq i8 [[AND]], 0 ; CHECK-NEXT: [[OR:%.*]] = or i32 [[Y:%.*]], 1073741824 ; CHECK-NEXT: [[SELECT:%.*]] = select i1 [[CMP_NOT]], i32 [[OR]], i32 [[Y]] ; CHECK-NEXT: ret i32 [[SELECT]] ; %and = and i8 %x, 8 %cmp = icmp ne i8 0, %and %or = or i32 %y, 1073741824 %select = select i1 %cmp, i32 %y, i32 %or ret i32 %select } define i32 @select_icmp_ne_0_and_8_xor_1073741824(i8 %x, i32 %y) { ; CHECK-LABEL: @select_icmp_ne_0_and_8_xor_1073741824( ; CHECK-NEXT: [[AND:%.*]] = and i8 [[X:%.*]], 8 ; CHECK-NEXT: [[CMP_NOT:%.*]] = icmp eq i8 [[AND]], 0 ; CHECK-NEXT: [[XOR:%.*]] = xor i32 [[Y:%.*]], 1073741824 ; CHECK-NEXT: [[SELECT:%.*]] = select i1 [[CMP_NOT]], i32 [[XOR]], i32 [[Y]] ; CHECK-NEXT: ret i32 [[SELECT]] ; %and = and i8 %x, 8 %cmp = icmp ne i8 0, %and %xor = xor i32 %y, 1073741824 %select = select i1 %cmp, i32 %y, i32 %xor ret i32 %select } define i32 @select_icmp_ne_0_and_8_and_not_1073741824(i8 %x, i32 %y) { ; CHECK-LABEL: @select_icmp_ne_0_and_8_and_not_1073741824( ; CHECK-NEXT: [[AND:%.*]] = and i8 [[X:%.*]], 8 ; CHECK-NEXT: [[CMP_NOT:%.*]] = icmp eq i8 [[AND]], 0 ; CHECK-NEXT: [[AND2:%.*]] = and i32 [[Y:%.*]], -1073741825 ; CHECK-NEXT: [[SELECT:%.*]] = select i1 [[CMP_NOT]], i32 [[AND2]], i32 [[Y]] ; CHECK-NEXT: ret i32 [[SELECT]] ; %and = and i8 %x, 8 %cmp = icmp ne i8 0, %and %and2 = and i32 %y, -1073741825 %select = select i1 %cmp, i32 %y, i32 %and2 ret i32 %select } ; We can't combine here, because the cmp is scalar and the or vector. ; Just make sure we don't assert. define <2 x i32> @select_icmp_eq_and_1_0_or_vector_of_2s(i32 %x, <2 x i32> %y) { ; CHECK-LABEL: @select_icmp_eq_and_1_0_or_vector_of_2s( ; CHECK-NEXT: [[AND:%.*]] = and i32 [[X:%.*]], 1 ; CHECK-NEXT: [[CMP:%.*]] = icmp eq i32 [[AND]], 0 ; CHECK-NEXT: [[OR:%.*]] = or <2 x i32> [[Y:%.*]], <i32 2, i32 2> ; CHECK-NEXT: [[SELECT:%.*]] = select i1 [[CMP]], <2 x i32> [[Y]], <2 x i32> [[OR]] ; CHECK-NEXT: ret <2 x i32> [[SELECT]] ; %and = and i32 %x, 1 %cmp = icmp eq i32 %and, 0 %or = or <2 x i32> %y, <i32 2, i32 2> %select = select i1 %cmp, <2 x i32> %y, <2 x i32> %or ret <2 x i32> %select } define i32 @select_icmp_and_8_ne_0_xor_8(i32 %x) { ; CHECK-LABEL: @select_icmp_and_8_ne_0_xor_8( ; CHECK-NEXT: [[TMP1:%.*]] = and i32 [[X:%.*]], -9 ; CHECK-NEXT: ret i32 [[TMP1]] ; %and = and i32 %x, 8 %cmp = icmp eq i32 %and, 0 %xor = xor i32 %x, 8 %x.xor = select i1 %cmp, i32 %x, i32 %xor ret i32 %x.xor } define i32 @select_icmp_and_8_eq_0_xor_8(i32 %x) { ; CHECK-LABEL: @select_icmp_and_8_eq_0_xor_8( ; CHECK-NEXT: [[TMP1:%.*]] = or i32 [[X:%.*]], 8 ; CHECK-NEXT: ret i32 [[TMP1]] ; %and = and i32 %x, 8 %cmp = icmp eq i32 %and, 0 %xor = xor i32 %x, 8 %xor.x = select i1 %cmp, i32 %xor, i32 %x ret i32 %xor.x } define i64 @select_icmp_x_and_8_eq_0_y_xor_8(i32 %x, i64 %y) { ; CHECK-LABEL: @select_icmp_x_and_8_eq_0_y_xor_8( ; CHECK-NEXT: [[AND:%.*]] = and i32 [[X:%.*]], 8 ; CHECK-NEXT: [[CMP:%.*]] = icmp eq i32 [[AND]], 0 ; CHECK-NEXT: [[XOR:%.*]] = xor i64 [[Y:%.*]], 8 ; CHECK-NEXT: [[Y_XOR:%.*]] = select i1 [[CMP]], i64 [[Y]], i64 [[XOR]] ; CHECK-NEXT: ret i64 [[Y_XOR]] ; %and = and i32 %x, 8 %cmp = icmp eq i32 %and, 0 %xor = xor i64 %y, 8 %y.xor = select i1 %cmp, i64 %y, i64 %xor ret i64 %y.xor } define i64 @select_icmp_x_and_8_ne_0_y_xor_8(i32 %x, i64 %y) { ; CHECK-LABEL: @select_icmp_x_and_8_ne_0_y_xor_8( ; CHECK-NEXT: [[AND:%.*]] = and i32 [[X:%.*]], 8 ; CHECK-NEXT: [[CMP:%.*]] = icmp eq i32 [[AND]], 0 ; CHECK-NEXT: [[XOR:%.*]] = xor i64 [[Y:%.*]], 8 ; CHECK-NEXT: [[XOR_Y:%.*]] = select i1 [[CMP]], i64 [[XOR]], i64 [[Y]] ; CHECK-NEXT: ret i64 [[XOR_Y]] ; %and = and i32 %x, 8 %cmp = icmp eq i32 %and, 0 %xor = xor i64 %y, 8 %xor.y = select i1 %cmp, i64 %xor, i64 %y ret i64 %xor.y } define i64 @select_icmp_x_and_8_ne_0_y_or_8(i32 %x, i64 %y) { ; CHECK-LABEL: @select_icmp_x_and_8_ne_0_y_or_8( ; CHECK-NEXT: [[AND:%.*]] = and i32 [[X:%.*]], 8 ; CHECK-NEXT: [[TMP1:%.*]] = xor i32 [[AND]], 8 ; CHECK-NEXT: [[TMP2:%.*]] = zext i32 [[TMP1]] to i64 ; CHECK-NEXT: [[TMP3:%.*]] = or i64 [[TMP2]], [[Y:%.*]] ; CHECK-NEXT: ret i64 [[TMP3]] ; %and = and i32 %x, 8 %cmp = icmp eq i32 %and, 0 %or = or i64 %y, 8 %or.y = select i1 %cmp, i64 %or, i64 %y ret i64 %or.y } define <2 x i64> @select_icmp_x_and_8_ne_0_y_or_8_vec(<2 x i32> %x, <2 x i64> %y) { ; CHECK-LABEL: @select_icmp_x_and_8_ne_0_y_or_8_vec( ; CHECK-NEXT: [[AND:%.*]] = and <2 x i32> [[X:%.*]], <i32 8, i32 8> ; CHECK-NEXT: [[TMP1:%.*]] = xor <2 x i32> [[AND]], <i32 8, i32 8> ; CHECK-NEXT: [[TMP2:%.*]] = zext <2 x i32> [[TMP1]] to <2 x i64> ; CHECK-NEXT: [[TMP3:%.*]] = or <2 x i64> [[TMP2]], [[Y:%.*]] ; CHECK-NEXT: ret <2 x i64> [[TMP3]] ; %and = and <2 x i32> %x, <i32 8, i32 8> %cmp = icmp eq <2 x i32> %and, zeroinitializer %or = or <2 x i64> %y, <i64 8, i64 8> %or.y = select <2 x i1> %cmp, <2 x i64> %or, <2 x i64> %y ret <2 x i64> %or.y } define i64 @select_icmp_x_and_8_ne_0_y_and_not_8(i32 %x, i64 %y) { ; CHECK-LABEL: @select_icmp_x_and_8_ne_0_y_and_not_8( ; CHECK-NEXT: [[AND:%.*]] = and i32 [[X:%.*]], 8 ; CHECK-NEXT: [[CMP:%.*]] = icmp eq i32 [[AND]], 0 ; CHECK-NEXT: [[AND2:%.*]] = and i64 [[Y:%.*]], -9 ; CHECK-NEXT: [[AND_Y:%.*]] = select i1 [[CMP]], i64 [[AND2]], i64 [[Y]] ; CHECK-NEXT: ret i64 [[AND_Y]] ; %and = and i32 %x, 8 %cmp = icmp eq i32 %and, 0 %and2 = and i64 %y, -9 %and.y = select i1 %cmp, i64 %and2, i64 %y ret i64 %and.y } define i32 @select_icmp_and_2147483648_ne_0_xor_2147483648(i32 %x) { ; CHECK-LABEL: @select_icmp_and_2147483648_ne_0_xor_2147483648( ; CHECK-NEXT: [[TMP1:%.*]] = and i32 [[X:%.*]], 2147483647 ; CHECK-NEXT: ret i32 [[TMP1]] ; %and = and i32 %x, 2147483648 %cmp = icmp eq i32 %and, 0 %xor = xor i32 %x, 2147483648 %x.xor = select i1 %cmp, i32 %x, i32 %xor ret i32 %x.xor } define i32 @select_icmp_and_2147483648_eq_0_xor_2147483648(i32 %x) { ; CHECK-LABEL: @select_icmp_and_2147483648_eq_0_xor_2147483648( ; CHECK-NEXT: [[TMP1:%.*]] = or i32 [[X:%.*]], -2147483648 ; CHECK-NEXT: ret i32 [[TMP1]] ; %and = and i32 %x, 2147483648 %cmp = icmp eq i32 %and, 0 %xor = xor i32 %x, 2147483648 %xor.x = select i1 %cmp, i32 %xor, i32 %x ret i32 %xor.x } define i32 @select_icmp_x_and_2147483648_ne_0_or_2147483648(i32 %x) { ; CHECK-LABEL: @select_icmp_x_and_2147483648_ne_0_or_2147483648( ; CHECK-NEXT: [[OR:%.*]] = or i32 [[X:%.*]], -2147483648 ; CHECK-NEXT: ret i32 [[OR]] ; %and = and i32 %x, 2147483648 %cmp = icmp eq i32 %and, 0 %or = or i32 %x, 2147483648 %or.x = select i1 %cmp, i32 %or, i32 %x ret i32 %or.x } define i32 @test68(i32 %x, i32 %y) { ; CHECK-LABEL: @test68( ; CHECK-NEXT: [[AND:%.*]] = lshr i32 [[X:%.*]], 6 ; CHECK-NEXT: [[TMP1:%.*]] = and i32 [[AND]], 2 ; CHECK-NEXT: [[TMP2:%.*]] = or i32 [[TMP1]], [[Y:%.*]] ; CHECK-NEXT: ret i32 [[TMP2]] ; %and = and i32 %x, 128 %cmp = icmp eq i32 %and, 0 %or = or i32 %y, 2 %select = select i1 %cmp, i32 %y, i32 %or ret i32 %select } define <2 x i32> @test68vec(<2 x i32> %x, <2 x i32> %y) { ; CHECK-LABEL: @test68vec( ; CHECK-NEXT: [[AND:%.*]] = lshr <2 x i32> [[X:%.*]], <i32 6, i32 6> ; CHECK-NEXT: [[TMP1:%.*]] = and <2 x i32> [[AND]], <i32 2, i32 2> ; CHECK-NEXT: [[TMP2:%.*]] = or <2 x i32> [[TMP1]], [[Y:%.*]] ; CHECK-NEXT: ret <2 x i32> [[TMP2]] ; %and = and <2 x i32> %x, <i32 128, i32 128> %cmp = icmp eq <2 x i32> %and, zeroinitializer %or = or <2 x i32> %y, <i32 2, i32 2> %select = select <2 x i1> %cmp, <2 x i32> %y, <2 x i32> %or ret <2 x i32> %select } define i32 @test68_xor(i32 %x, i32 %y) { ; CHECK-LABEL: @test68_xor( ; CHECK-NEXT: [[AND:%.*]] = and i32 [[X:%.*]], 128 ; CHECK-NEXT: [[CMP:%.*]] = icmp eq i32 [[AND]], 0 ; CHECK-NEXT: [[XOR:%.*]] = xor i32 [[Y:%.*]], 2 ; CHECK-NEXT: [[SELECT:%.*]] = select i1 [[CMP]], i32 [[Y]], i32 [[XOR]] ; CHECK-NEXT: ret i32 [[SELECT]] ; %and = and i32 %x, 128 %cmp = icmp eq i32 %and, 0 %xor = xor i32 %y, 2 %select = select i1 %cmp, i32 %y, i32 %xor ret i32 %select } define i32 @test68_and(i32 %x, i32 %y) { ; CHECK-LABEL: @test68_and( ; CHECK-NEXT: [[AND:%.*]] = and i32 [[X:%.*]], 128 ; CHECK-NEXT: [[CMP:%.*]] = icmp eq i32 [[AND]], 0 ; CHECK-NEXT: [[AND2:%.*]] = and i32 [[Y:%.*]], -3 ; CHECK-NEXT: [[SELECT:%.*]] = select i1 [[CMP]], i32 [[Y]], i32 [[AND2]] ; CHECK-NEXT: ret i32 [[SELECT]] ; %and = and i32 %x, 128 %cmp = icmp eq i32 %and, 0 %and2 = and i32 %y, -3 %select = select i1 %cmp, i32 %y, i32 %and2 ret i32 %select } define i32 @test69(i32 %x, i32 %y) { ; CHECK-LABEL: @test69( ; CHECK-NEXT: [[AND:%.*]] = lshr i32 [[X:%.*]], 6 ; CHECK-NEXT: [[TMP1:%.*]] = and i32 [[AND]], 2 ; CHECK-NEXT: [[TMP2:%.*]] = xor i32 [[TMP1]], 2 ; CHECK-NEXT: [[TMP3:%.*]] = or i32 [[TMP2]], [[Y:%.*]] ; CHECK-NEXT: ret i32 [[TMP3]] ; %and = and i32 %x, 128 %cmp = icmp ne i32 %and, 0 %or = or i32 %y, 2 %select = select i1 %cmp, i32 %y, i32 %or ret i32 %select } define <2 x i32> @test69vec(<2 x i32> %x, <2 x i32> %y) { ; CHECK-LABEL: @test69vec( ; CHECK-NEXT: [[AND:%.*]] = lshr <2 x i32> [[X:%.*]], <i32 6, i32 6> ; CHECK-NEXT: [[TMP1:%.*]] = and <2 x i32> [[AND]], <i32 2, i32 2> ; CHECK-NEXT: [[TMP2:%.*]] = xor <2 x i32> [[TMP1]], <i32 2, i32 2> ; CHECK-NEXT: [[TMP3:%.*]] = or <2 x i32> [[TMP2]], [[Y:%.*]] ; CHECK-NEXT: ret <2 x i32> [[TMP3]] ; %and = and <2 x i32> %x, <i32 128, i32 128> %cmp = icmp ne <2 x i32> %and, zeroinitializer %or = or <2 x i32> %y, <i32 2, i32 2> %select = select <2 x i1> %cmp, <2 x i32> %y, <2 x i32> %or ret <2 x i32> %select } define i32 @test69_xor(i32 %x, i32 %y) { ; CHECK-LABEL: @test69_xor( ; CHECK-NEXT: [[AND:%.*]] = and i32 [[X:%.*]], 128 ; CHECK-NEXT: [[CMP_NOT:%.*]] = icmp eq i32 [[AND]], 0 ; CHECK-NEXT: [[XOR:%.*]] = xor i32 [[Y:%.*]], 2 ; CHECK-NEXT: [[SELECT:%.*]] = select i1 [[CMP_NOT]], i32 [[XOR]], i32 [[Y]] ; CHECK-NEXT: ret i32 [[SELECT]] ; %and = and i32 %x, 128 %cmp = icmp ne i32 %and, 0 %xor = xor i32 %y, 2 %select = select i1 %cmp, i32 %y, i32 %xor ret i32 %select } define i32 @test69_and(i32 %x, i32 %y) { ; CHECK-LABEL: @test69_and( ; CHECK-NEXT: [[AND:%.*]] = and i32 [[X:%.*]], 128 ; CHECK-NEXT: [[CMP_NOT:%.*]] = icmp eq i32 [[AND]], 0 ; CHECK-NEXT: [[AND2:%.*]] = and i32 [[Y:%.*]], 2 ; CHECK-NEXT: [[SELECT:%.*]] = select i1 [[CMP_NOT]], i32 [[AND2]], i32 [[Y]] ; CHECK-NEXT: ret i32 [[SELECT]] ; %and = and i32 %x, 128 %cmp = icmp ne i32 %and, 0 %and2 = and i32 %y, 2 %select = select i1 %cmp, i32 %y, i32 %and2 ret i32 %select } define i8 @test70(i8 %x, i8 %y) { ; CHECK-LABEL: @test70( ; CHECK-NEXT: [[CMP:%.*]] = icmp slt i8 [[X:%.*]], 0 ; CHECK-NEXT: [[OR:%.*]] = or i8 [[Y:%.*]], 2 ; CHECK-NEXT: [[SELECT:%.*]] = select i1 [[CMP]], i8 [[OR]], i8 [[Y]] ; CHECK-NEXT: ret i8 [[SELECT]] ; %cmp = icmp slt i8 %x, 0 %or = or i8 %y, 2 %select = select i1 %cmp, i8 %or, i8 %y ret i8 %select } define i32 @shift_no_xor_multiuse_or(i32 %x, i32 %y) { ; CHECK-LABEL: @shift_no_xor_multiuse_or( ; CHECK-NEXT: [[OR:%.*]] = or i32 [[Y:%.*]], 2 ; CHECK-NEXT: [[AND:%.*]] = shl i32 [[X:%.*]], 1 ; CHECK-NEXT: [[TMP1:%.*]] = and i32 [[AND]], 2 ; CHECK-NEXT: [[TMP2:%.*]] = or i32 [[TMP1]], [[Y]] ; CHECK-NEXT: [[RES:%.*]] = mul i32 [[TMP2]], [[OR]] ; CHECK-NEXT: ret i32 [[RES]] ; %and = and i32 %x, 1 %cmp = icmp eq i32 %and, 0 %or = or i32 %y, 2 %select = select i1 %cmp, i32 %y, i32 %or %res = mul i32 %select, %or ; to bump up use count of the Or ret i32 %res } define i32 @shift_no_xor_multiuse_xor(i32 %x, i32 %y) { ; CHECK-LABEL: @shift_no_xor_multiuse_xor( ; CHECK-NEXT: [[AND:%.*]] = and i32 [[X:%.*]], 1 ; CHECK-NEXT: [[CMP:%.*]] = icmp eq i32 [[AND]], 0 ; CHECK-NEXT: [[XOR:%.*]] = xor i32 [[Y:%.*]], 2 ; CHECK-NEXT: [[SELECT:%.*]] = select i1 [[CMP]], i32 [[Y]], i32 [[XOR]] ; CHECK-NEXT: [[RES:%.*]] = mul i32 [[SELECT]], [[XOR]] ; CHECK-NEXT: ret i32 [[RES]] ; %and = and i32 %x, 1 %cmp = icmp eq i32 %and, 0 %xor = xor i32 %y, 2 %select = select i1 %cmp, i32 %y, i32 %xor %res = mul i32 %select, %xor ; to bump up use count of the Xor ret i32 %res } define i32 @shift_no_xor_multiuse_and(i32 %x, i32 %y) { ; CHECK-LABEL: @shift_no_xor_multiuse_and( ; CHECK-NEXT: [[AND:%.*]] = and i32 [[X:%.*]], 1 ; CHECK-NEXT: [[CMP:%.*]] = icmp eq i32 [[AND]], 0 ; CHECK-NEXT: [[AND2:%.*]] = and i32 [[Y:%.*]], -3 ; CHECK-NEXT: [[SELECT:%.*]] = select i1 [[CMP]], i32 [[Y]], i32 [[AND2]] ; CHECK-NEXT: [[RES:%.*]] = mul i32 [[SELECT]], [[AND2]] ; CHECK-NEXT: ret i32 [[RES]] ; %and = and i32 %x, 1 %cmp = icmp eq i32 %and, 0 %and2 = and i32 %y, -3 %select = select i1 %cmp, i32 %y, i32 %and2 %res = mul i32 %select, %and2 ; to bump up use count of the And ret i32 %res } define i32 @no_shift_no_xor_multiuse_or(i32 %x, i32 %y) { ; CHECK-LABEL: @no_shift_no_xor_multiuse_or( ; CHECK-NEXT: [[AND:%.*]] = and i32 [[X:%.*]], 4096 ; CHECK-NEXT: [[OR:%.*]] = or i32 [[Y:%.*]], 4096 ; CHECK-NEXT: [[TMP1:%.*]] = or i32 [[AND]], [[Y]] ; CHECK-NEXT: [[RES:%.*]] = mul i32 [[TMP1]], [[OR]] ; CHECK-NEXT: ret i32 [[RES]] ; %and = and i32 %x, 4096 %cmp = icmp eq i32 %and, 0 %or = or i32 %y, 4096 %select = select i1 %cmp, i32 %y, i32 %or %res = mul i32 %select, %or ; to bump up use count of the Or ret i32 %res } define i32 @no_shift_no_xor_multiuse_xor(i32 %x, i32 %y) { ; CHECK-LABEL: @no_shift_no_xor_multiuse_xor( ; CHECK-NEXT: [[AND:%.*]] = and i32 [[X:%.*]], 4096 ; CHECK-NEXT: [[CMP:%.*]] = icmp eq i32 [[AND]], 0 ; CHECK-NEXT: [[XOR:%.*]] = xor i32 [[Y:%.*]], 4096 ; CHECK-NEXT: [[SELECT:%.*]] = select i1 [[CMP]], i32 [[Y]], i32 [[XOR]] ; CHECK-NEXT: [[RES:%.*]] = mul i32 [[SELECT]], [[XOR]] ; CHECK-NEXT: ret i32 [[RES]] ; %and = and i32 %x, 4096 %cmp = icmp eq i32 %and, 0 %xor = xor i32 %y, 4096 %select = select i1 %cmp, i32 %y, i32 %xor %res = mul i32 %select, %xor ; to bump up use count of the Xor ret i32 %res } define i32 @no_shift_no_xor_multiuse_and(i32 %x, i32 %y) { ; CHECK-LABEL: @no_shift_no_xor_multiuse_and( ; CHECK-NEXT: [[AND:%.*]] = and i32 [[X:%.*]], 4096 ; CHECK-NEXT: [[CMP:%.*]] = icmp eq i32 [[AND]], 0 ; CHECK-NEXT: [[AND2:%.*]] = add i32 [[Y:%.*]], -4097 ; CHECK-NEXT: [[SELECT:%.*]] = select i1 [[CMP]], i32 [[Y]], i32 [[AND2]] ; CHECK-NEXT: [[RES:%.*]] = mul i32 [[SELECT]], [[AND2]] ; CHECK-NEXT: ret i32 [[RES]] ; %and = and i32 %x, 4096 %cmp = icmp eq i32 %and, 0 %and2 = add i32 %y, -4097 %select = select i1 %cmp, i32 %y, i32 %and2 %res = mul i32 %select, %and2 ; to bump up use count of the And ret i32 %res } define i32 @no_shift_xor_multiuse_or(i32 %x, i32 %y) { ; CHECK-LABEL: @no_shift_xor_multiuse_or( ; CHECK-NEXT: [[AND:%.*]] = and i32 [[X:%.*]], 4096 ; CHECK-NEXT: [[OR:%.*]] = or i32 [[Y:%.*]], 4096 ; CHECK-NEXT: [[TMP1:%.*]] = xor i32 [[AND]], 4096 ; CHECK-NEXT: [[TMP2:%.*]] = or i32 [[TMP1]], [[Y]] ; CHECK-NEXT: [[RES:%.*]] = mul i32 [[TMP2]], [[OR]] ; CHECK-NEXT: ret i32 [[RES]] ; %and = and i32 %x, 4096 %cmp = icmp ne i32 0, %and %or = or i32 %y, 4096 %select = select i1 %cmp, i32 %y, i32 %or %res = mul i32 %select, %or ; to bump up use count of the Or ret i32 %res } define i32 @no_shift_xor_multiuse_xor(i32 %x, i32 %y) { ; CHECK-LABEL: @no_shift_xor_multiuse_xor( ; CHECK-NEXT: [[AND:%.*]] = and i32 [[X:%.*]], 4096 ; CHECK-NEXT: [[CMP_NOT:%.*]] = icmp eq i32 [[AND]], 0 ; CHECK-NEXT: [[XOR:%.*]] = xor i32 [[Y:%.*]], 4096 ; CHECK-NEXT: [[SELECT:%.*]] = select i1 [[CMP_NOT]], i32 [[XOR]], i32 [[Y]] ; CHECK-NEXT: [[RES:%.*]] = mul i32 [[SELECT]], [[XOR]] ; CHECK-NEXT: ret i32 [[RES]] ; %and = and i32 %x, 4096 %cmp = icmp ne i32 0, %and %xor = xor i32 %y, 4096 %select = select i1 %cmp, i32 %y, i32 %xor %res = mul i32 %select, %xor ; to bump up use count of the Xor ret i32 %res } define i32 @no_shift_xor_multiuse_and(i32 %x, i32 %y) { ; CHECK-LABEL: @no_shift_xor_multiuse_and( ; CHECK-NEXT: [[AND:%.*]] = and i32 [[X:%.*]], 4096 ; CHECK-NEXT: [[CMP_NOT:%.*]] = icmp eq i32 [[AND]], 0 ; CHECK-NEXT: [[AND2:%.*]] = and i32 [[Y:%.*]], -4097 ; CHECK-NEXT: [[SELECT:%.*]] = select i1 [[CMP_NOT]], i32 [[AND2]], i32 [[Y]] ; CHECK-NEXT: [[RES:%.*]] = mul i32 [[SELECT]], [[AND2]] ; CHECK-NEXT: ret i32 [[RES]] ; %and = and i32 %x, 4096 %cmp = icmp ne i32 0, %and %and2 = and i32 %y, -4097 %select = select i1 %cmp, i32 %y, i32 %and2 %res = mul i32 %select, %and2 ; to bump up use count of the And ret i32 %res } define i32 @shift_xor_multiuse_or(i32 %x, i32 %y) { ; CHECK-LABEL: @shift_xor_multiuse_or( ; CHECK-NEXT: [[AND:%.*]] = and i32 [[X:%.*]], 4096 ; CHECK-NEXT: [[CMP_NOT:%.*]] = icmp eq i32 [[AND]], 0 ; CHECK-NEXT: [[OR:%.*]] = or i32 [[Y:%.*]], 2048 ; CHECK-NEXT: [[SELECT:%.*]] = select i1 [[CMP_NOT]], i32 [[OR]], i32 [[Y]] ; CHECK-NEXT: [[RES:%.*]] = mul i32 [[SELECT]], [[OR]] ; CHECK-NEXT: ret i32 [[RES]] ; %and = and i32 %x, 4096 %cmp = icmp ne i32 0, %and %or = or i32 %y, 2048 %select = select i1 %cmp, i32 %y, i32 %or %res = mul i32 %select, %or ; to bump up use count of the Or ret i32 %res } define i32 @shift_xor_multiuse_xor(i32 %x, i32 %y) { ; CHECK-LABEL: @shift_xor_multiuse_xor( ; CHECK-NEXT: [[AND:%.*]] = and i32 [[X:%.*]], 4096 ; CHECK-NEXT: [[CMP_NOT:%.*]] = icmp eq i32 [[AND]], 0 ; CHECK-NEXT: [[XOR:%.*]] = xor i32 [[Y:%.*]], 2048 ; CHECK-NEXT: [[SELECT:%.*]] = select i1 [[CMP_NOT]], i32 [[XOR]], i32 [[Y]] ; CHECK-NEXT: [[RES:%.*]] = mul i32 [[SELECT]], [[XOR]] ; CHECK-NEXT: ret i32 [[RES]] ; %and = and i32 %x, 4096 %cmp = icmp ne i32 0, %and %xor = xor i32 %y, 2048 %select = select i1 %cmp, i32 %y, i32 %xor %res = mul i32 %select, %xor ; to bump up use count of the Xor ret i32 %res } define i32 @shift_xor_multiuse_and(i32 %x, i32 %y) { ; CHECK-LABEL: @shift_xor_multiuse_and( ; CHECK-NEXT: [[AND:%.*]] = and i32 [[X:%.*]], 4096 ; CHECK-NEXT: [[CMP_NOT:%.*]] = icmp eq i32 [[AND]], 0 ; CHECK-NEXT: [[AND2:%.*]] = and i32 [[Y:%.*]], -2049 ; CHECK-NEXT: [[SELECT:%.*]] = select i1 [[CMP_NOT]], i32 [[AND2]], i32 [[Y]] ; CHECK-NEXT: [[RES:%.*]] = mul i32 [[SELECT]], [[AND2]] ; CHECK-NEXT: ret i32 [[RES]] ; %and = and i32 %x, 4096 %cmp = icmp ne i32 0, %and %and2 = and i32 %y, -2049 %select = select i1 %cmp, i32 %y, i32 %and2 %res = mul i32 %select, %and2 ; to bump up use count of the and ret i32 %res } define i32 @shift_no_xor_multiuse_cmp(i32 %x, i32 %y, i32 %z, i32 %w) { ; CHECK-LABEL: @shift_no_xor_multiuse_cmp( ; CHECK-NEXT: [[AND:%.*]] = and i32 [[X:%.*]], 1 ; CHECK-NEXT: [[CMP:%.*]] = icmp eq i32 [[AND]], 0 ; CHECK-NEXT: [[TMP1:%.*]] = shl nuw nsw i32 [[AND]], 1 ; CHECK-NEXT: [[TMP2:%.*]] = or i32 [[TMP1]], [[Y:%.*]] ; CHECK-NEXT: [[SELECT2:%.*]] = select i1 [[CMP]], i32 [[Z:%.*]], i32 [[W:%.*]] ; CHECK-NEXT: [[RES:%.*]] = mul i32 [[TMP2]], [[SELECT2]] ; CHECK-NEXT: ret i32 [[RES]] ; %and = and i32 %x, 1 %cmp = icmp eq i32 %and, 0 %or = or i32 %y, 2 %select = select i1 %cmp, i32 %y, i32 %or %select2 = select i1 %cmp, i32 %z, i32 %w ; to bump up use count of the cmp %res = mul i32 %select, %select2 ret i32 %res } define i32 @shift_no_xor_multiuse_cmp_with_xor(i32 %x, i32 %y, i32 %z, i32 %w) { ; CHECK-LABEL: @shift_no_xor_multiuse_cmp_with_xor( ; CHECK-NEXT: [[AND:%.*]] = and i32 [[X:%.*]], 1 ; CHECK-NEXT: [[CMP:%.*]] = icmp eq i32 [[AND]], 0 ; CHECK-NEXT: [[XOR:%.*]] = xor i32 [[Y:%.*]], 2 ; CHECK-NEXT: [[SELECT:%.*]] = select i1 [[CMP]], i32 [[Y]], i32 [[XOR]] ; CHECK-NEXT: [[SELECT2:%.*]] = select i1 [[CMP]], i32 [[Z:%.*]], i32 [[W:%.*]] ; CHECK-NEXT: [[RES:%.*]] = mul i32 [[SELECT]], [[SELECT2]] ; CHECK-NEXT: ret i32 [[RES]] ; %and = and i32 %x, 1 %cmp = icmp eq i32 %and, 0 %xor = xor i32 %y, 2 %select = select i1 %cmp, i32 %y, i32 %xor %select2 = select i1 %cmp, i32 %z, i32 %w ; to bump up use count of the cmp %res = mul i32 %select, %select2 ret i32 %res } define i32 @shift_no_xor_multiuse_cmp_with_and(i32 %x, i32 %y, i32 %z, i32 %w) { ; CHECK-LABEL: @shift_no_xor_multiuse_cmp_with_and( ; CHECK-NEXT: [[AND:%.*]] = and i32 [[X:%.*]], 1 ; CHECK-NEXT: [[CMP:%.*]] = icmp eq i32 [[AND]], 0 ; CHECK-NEXT: [[AND2:%.*]] = and i32 [[Y:%.*]], -3 ; CHECK-NEXT: [[SELECT:%.*]] = select i1 [[CMP]], i32 [[Y]], i32 [[AND2]] ; CHECK-NEXT: [[SELECT2:%.*]] = select i1 [[CMP]], i32 [[Z:%.*]], i32 [[W:%.*]] ; CHECK-NEXT: [[RES:%.*]] = mul i32 [[SELECT]], [[SELECT2]] ; CHECK-NEXT: ret i32 [[RES]] ; %and = and i32 %x, 1 %cmp = icmp eq i32 %and, 0 %and2 = and i32 %y, -3 %select = select i1 %cmp, i32 %y, i32 %and2 %select2 = select i1 %cmp, i32 %z, i32 %w ; to bump up use count of the cmp %res = mul i32 %select, %select2 ret i32 %res } define i32 @no_shift_no_xor_multiuse_cmp(i32 %x, i32 %y, i32 %z, i32 %w) { ; CHECK-LABEL: @no_shift_no_xor_multiuse_cmp( ; CHECK-NEXT: [[AND:%.*]] = and i32 [[X:%.*]], 4096 ; CHECK-NEXT: [[CMP:%.*]] = icmp eq i32 [[AND]], 0 ; CHECK-NEXT: [[TMP1:%.*]] = or i32 [[AND]], [[Y:%.*]] ; CHECK-NEXT: [[SELECT2:%.*]] = select i1 [[CMP]], i32 [[Z:%.*]], i32 [[W:%.*]] ; CHECK-NEXT: [[RES:%.*]] = mul i32 [[TMP1]], [[SELECT2]] ; CHECK-NEXT: ret i32 [[RES]] ; %and = and i32 %x, 4096 %cmp = icmp eq i32 %and, 0 %or = or i32 %y, 4096 %select = select i1 %cmp, i32 %y, i32 %or %select2 = select i1 %cmp, i32 %z, i32 %w ; to bump up use count of the cmp %res = mul i32 %select, %select2 ret i32 %res } define i32 @no_shift_no_xor_multiuse_cmp_with_xor(i32 %x, i32 %y, i32 %z, i32 %w) { ; CHECK-LABEL: @no_shift_no_xor_multiuse_cmp_with_xor( ; CHECK-NEXT: [[AND:%.*]] = and i32 [[X:%.*]], 4096 ; CHECK-NEXT: [[CMP:%.*]] = icmp eq i32 [[AND]], 0 ; CHECK-NEXT: [[XOR:%.*]] = xor i32 [[Y:%.*]], 4096 ; CHECK-NEXT: [[SELECT:%.*]] = select i1 [[CMP]], i32 [[Y]], i32 [[XOR]] ; CHECK-NEXT: [[SELECT2:%.*]] = select i1 [[CMP]], i32 [[Z:%.*]], i32 [[W:%.*]] ; CHECK-NEXT: [[RES:%.*]] = mul i32 [[SELECT]], [[SELECT2]] ; CHECK-NEXT: ret i32 [[RES]] ; %and = and i32 %x, 4096 %cmp = icmp eq i32 %and, 0 %xor = xor i32 %y, 4096 %select = select i1 %cmp, i32 %y, i32 %xor %select2 = select i1 %cmp, i32 %z, i32 %w ; to bump up use count of the cmp %res = mul i32 %select, %select2 ret i32 %res } define i32 @no_shift_no_xor_multiuse_cmp_with_and(i32 %x, i32 %y, i32 %z, i32 %w) { ; CHECK-LABEL: @no_shift_no_xor_multiuse_cmp_with_and( ; CHECK-NEXT: [[AND:%.*]] = and i32 [[X:%.*]], 4096 ; CHECK-NEXT: [[CMP:%.*]] = icmp eq i32 [[AND]], 0 ; CHECK-NEXT: [[AND2:%.*]] = and i32 [[Y:%.*]], -4097 ; CHECK-NEXT: [[SELECT:%.*]] = select i1 [[CMP]], i32 [[Y]], i32 [[AND2]] ; CHECK-NEXT: [[SELECT2:%.*]] = select i1 [[CMP]], i32 [[Z:%.*]], i32 [[W:%.*]] ; CHECK-NEXT: [[RES:%.*]] = mul i32 [[SELECT]], [[SELECT2]] ; CHECK-NEXT: ret i32 [[RES]] ; %and = and i32 %x, 4096 %cmp = icmp eq i32 %and, 0 %and2 = and i32 %y, -4097 %select = select i1 %cmp, i32 %y, i32 %and2 %select2 = select i1 %cmp, i32 %z, i32 %w ; to bump up use count of the cmp %res = mul i32 %select, %select2 ret i32 %res } define i32 @no_shift_xor_multiuse_cmp(i32 %x, i32 %y, i32 %z, i32 %w) { ; CHECK-LABEL: @no_shift_xor_multiuse_cmp( ; CHECK-NEXT: [[AND:%.*]] = and i32 [[X:%.*]], 4096 ; CHECK-NEXT: [[CMP_NOT:%.*]] = icmp eq i32 [[AND]], 0 ; CHECK-NEXT: [[TMP1:%.*]] = xor i32 [[AND]], 4096 ; CHECK-NEXT: [[TMP2:%.*]] = or i32 [[TMP1]], [[Y:%.*]] ; CHECK-NEXT: [[SELECT2:%.*]] = select i1 [[CMP_NOT]], i32 [[W:%.*]], i32 [[Z:%.*]] ; CHECK-NEXT: [[RES:%.*]] = mul i32 [[TMP2]], [[SELECT2]] ; CHECK-NEXT: ret i32 [[RES]] ; %and = and i32 %x, 4096 %cmp = icmp ne i32 0, %and %or = or i32 %y, 4096 %select = select i1 %cmp, i32 %y, i32 %or %select2 = select i1 %cmp, i32 %z, i32 %w ; to bump up use count of the cmp %res = mul i32 %select, %select2 ret i32 %res } define i32 @no_shift_xor_multiuse_cmp_with_xor(i32 %x, i32 %y, i32 %z, i32 %w) { ; CHECK-LABEL: @no_shift_xor_multiuse_cmp_with_xor( ; CHECK-NEXT: [[AND:%.*]] = and i32 [[X:%.*]], 4096 ; CHECK-NEXT: [[CMP_NOT:%.*]] = icmp eq i32 [[AND]], 0 ; CHECK-NEXT: [[XOR:%.*]] = xor i32 [[Y:%.*]], 4096 ; CHECK-NEXT: [[SELECT:%.*]] = select i1 [[CMP_NOT]], i32 [[XOR]], i32 [[Y]] ; CHECK-NEXT: [[SELECT2:%.*]] = select i1 [[CMP_NOT]], i32 [[W:%.*]], i32 [[Z:%.*]] ; CHECK-NEXT: [[RES:%.*]] = mul i32 [[SELECT]], [[SELECT2]] ; CHECK-NEXT: ret i32 [[RES]] ; %and = and i32 %x, 4096 %cmp = icmp ne i32 0, %and %xor = xor i32 %y, 4096 %select = select i1 %cmp, i32 %y, i32 %xor %select2 = select i1 %cmp, i32 %z, i32 %w ; to bump up use count of the cmp %res = mul i32 %select, %select2 ret i32 %res } define i32 @no_shift_xor_multiuse_cmp_with_and(i32 %x, i32 %y, i32 %z, i32 %w) { ; CHECK-LABEL: @no_shift_xor_multiuse_cmp_with_and( ; CHECK-NEXT: [[AND:%.*]] = and i32 [[X:%.*]], 4096 ; CHECK-NEXT: [[CMP_NOT:%.*]] = icmp eq i32 [[AND]], 0 ; CHECK-NEXT: [[AND2:%.*]] = and i32 [[Y:%.*]], -4097 ; CHECK-NEXT: [[SELECT:%.*]] = select i1 [[CMP_NOT]], i32 [[AND2]], i32 [[Y]] ; CHECK-NEXT: [[SELECT2:%.*]] = select i1 [[CMP_NOT]], i32 [[W:%.*]], i32 [[Z:%.*]] ; CHECK-NEXT: [[RES:%.*]] = mul i32 [[SELECT]], [[SELECT2]] ; CHECK-NEXT: ret i32 [[RES]] ; %and = and i32 %x, 4096 %cmp = icmp ne i32 0, %and %and2 = and i32 %y, -4097 %select = select i1 %cmp, i32 %y, i32 %and2 %select2 = select i1 %cmp, i32 %z, i32 %w ; to bump up use count of the cmp %res = mul i32 %select, %select2 ret i32 %res } define i32 @shift_xor_multiuse_cmp(i32 %x, i32 %y, i32 %z, i32 %w) { ; CHECK-LABEL: @shift_xor_multiuse_cmp( ; CHECK-NEXT: [[AND:%.*]] = and i32 [[X:%.*]], 4096 ; CHECK-NEXT: [[CMP_NOT:%.*]] = icmp eq i32 [[AND]], 0 ; CHECK-NEXT: [[OR:%.*]] = or i32 [[Y:%.*]], 2048 ; CHECK-NEXT: [[SELECT:%.*]] = select i1 [[CMP_NOT]], i32 [[OR]], i32 [[Y]] ; CHECK-NEXT: [[SELECT2:%.*]] = select i1 [[CMP_NOT]], i32 [[W:%.*]], i32 [[Z:%.*]] ; CHECK-NEXT: [[RES:%.*]] = mul i32 [[SELECT]], [[SELECT2]] ; CHECK-NEXT: ret i32 [[RES]] ; %and = and i32 %x, 4096 %cmp = icmp ne i32 0, %and %or = or i32 %y, 2048 %select = select i1 %cmp, i32 %y, i32 %or %select2 = select i1 %cmp, i32 %z, i32 %w ; to bump up use count of the cmp %res = mul i32 %select, %select2 ret i32 %res } define i32 @shift_xor_multiuse_cmp_with_xor(i32 %x, i32 %y, i32 %z, i32 %w) { ; CHECK-LABEL: @shift_xor_multiuse_cmp_with_xor( ; CHECK-NEXT: [[AND:%.*]] = and i32 [[X:%.*]], 4096 ; CHECK-NEXT: [[CMP_NOT:%.*]] = icmp eq i32 [[AND]], 0 ; CHECK-NEXT: [[XOR:%.*]] = xor i32 [[Y:%.*]], 2048 ; CHECK-NEXT: [[SELECT:%.*]] = select i1 [[CMP_NOT]], i32 [[XOR]], i32 [[Y]] ; CHECK-NEXT: [[SELECT2:%.*]] = select i1 [[CMP_NOT]], i32 [[W:%.*]], i32 [[Z:%.*]] ; CHECK-NEXT: [[RES:%.*]] = mul i32 [[SELECT]], [[SELECT2]] ; CHECK-NEXT: ret i32 [[RES]] ; %and = and i32 %x, 4096 %cmp = icmp ne i32 0, %and %xor = xor i32 %y, 2048 %select = select i1 %cmp, i32 %y, i32 %xor %select2 = select i1 %cmp, i32 %z, i32 %w ; to bump up use count of the cmp %res = mul i32 %select, %select2 ret i32 %res } define i32 @shift_xor_multiuse_cmp_with_and(i32 %x, i32 %y, i32 %z, i32 %w) { ; CHECK-LABEL: @shift_xor_multiuse_cmp_with_and( ; CHECK-NEXT: [[AND:%.*]] = and i32 [[X:%.*]], 4096 ; CHECK-NEXT: [[CMP_NOT:%.*]] = icmp eq i32 [[AND]], 0 ; CHECK-NEXT: [[AND2:%.*]] = and i32 [[Y:%.*]], -2049 ; CHECK-NEXT: [[SELECT:%.*]] = select i1 [[CMP_NOT]], i32 [[AND2]], i32 [[Y]] ; CHECK-NEXT: [[SELECT2:%.*]] = select i1 [[CMP_NOT]], i32 [[W:%.*]], i32 [[Z:%.*]] ; CHECK-NEXT: [[RES:%.*]] = mul i32 [[SELECT]], [[SELECT2]] ; CHECK-NEXT: ret i32 [[RES]] ; %and = and i32 %x, 4096 %cmp = icmp ne i32 0, %and %and2 = and i32 %y, -2049 %select = select i1 %cmp, i32 %y, i32 %and2 %select2 = select i1 %cmp, i32 %z, i32 %w ; to bump up use count of the cmp %res = mul i32 %select, %select2 ret i32 %res } define i32 @shift_no_xor_multiuse_cmp_or(i32 %x, i32 %y, i32 %z, i32 %w) { ; CHECK-LABEL: @shift_no_xor_multiuse_cmp_or( ; CHECK-NEXT: [[AND:%.*]] = and i32 [[X:%.*]], 1 ; CHECK-NEXT: [[CMP:%.*]] = icmp eq i32 [[AND]], 0 ; CHECK-NEXT: [[OR:%.*]] = or i32 [[Y:%.*]], 2 ; CHECK-NEXT: [[SELECT:%.*]] = select i1 [[CMP]], i32 [[Y]], i32 [[OR]] ; CHECK-NEXT: [[SELECT2:%.*]] = select i1 [[CMP]], i32 [[Z:%.*]], i32 [[W:%.*]] ; CHECK-NEXT: [[RES:%.*]] = mul i32 [[SELECT]], [[SELECT2]] ; CHECK-NEXT: [[RES2:%.*]] = mul i32 [[RES]], [[OR]] ; CHECK-NEXT: ret i32 [[RES2]] ; %and = and i32 %x, 1 %cmp = icmp eq i32 %and, 0 %or = or i32 %y, 2 %select = select i1 %cmp, i32 %y, i32 %or %select2 = select i1 %cmp, i32 %z, i32 %w ; to bump up use count of the cmp %res = mul i32 %select, %select2 %res2 = mul i32 %res, %or ; to bump up the use count of the or ret i32 %res2 } define i32 @shift_no_xor_multiuse_cmp_xor(i32 %x, i32 %y, i32 %z, i32 %w) { ; CHECK-LABEL: @shift_no_xor_multiuse_cmp_xor( ; CHECK-NEXT: [[AND:%.*]] = and i32 [[X:%.*]], 1 ; CHECK-NEXT: [[CMP:%.*]] = icmp eq i32 [[AND]], 0 ; CHECK-NEXT: [[XOR:%.*]] = xor i32 [[Y:%.*]], 2 ; CHECK-NEXT: [[SELECT:%.*]] = select i1 [[CMP]], i32 [[Y]], i32 [[XOR]] ; CHECK-NEXT: [[SELECT2:%.*]] = select i1 [[CMP]], i32 [[Z:%.*]], i32 [[W:%.*]] ; CHECK-NEXT: [[RES:%.*]] = mul i32 [[SELECT]], [[SELECT2]] ; CHECK-NEXT: [[RES2:%.*]] = mul i32 [[RES]], [[XOR]] ; CHECK-NEXT: ret i32 [[RES2]] ; %and = and i32 %x, 1 %cmp = icmp eq i32 %and, 0 %xor = xor i32 %y, 2 %select = select i1 %cmp, i32 %y, i32 %xor %select2 = select i1 %cmp, i32 %z, i32 %w ; to bump up use count of the cmp %res = mul i32 %select, %select2 %res2 = mul i32 %res, %xor ; to bump up the use count of the xor ret i32 %res2 } define i32 @shift_no_xor_multiuse_cmp_and(i32 %x, i32 %y, i32 %z, i32 %w) { ; CHECK-LABEL: @shift_no_xor_multiuse_cmp_and( ; CHECK-NEXT: [[AND:%.*]] = and i32 [[X:%.*]], 1 ; CHECK-NEXT: [[CMP:%.*]] = icmp eq i32 [[AND]], 0 ; CHECK-NEXT: [[AND2:%.*]] = and i32 [[Y:%.*]], -3 ; CHECK-NEXT: [[SELECT:%.*]] = select i1 [[CMP]], i32 [[Y]], i32 [[AND2]] ; CHECK-NEXT: [[SELECT2:%.*]] = select i1 [[CMP]], i32 [[Z:%.*]], i32 [[W:%.*]] ; CHECK-NEXT: [[RES:%.*]] = mul i32 [[SELECT]], [[SELECT2]] ; CHECK-NEXT: [[RES2:%.*]] = mul i32 [[RES]], [[AND2]] ; CHECK-NEXT: ret i32 [[RES2]] ; %and = and i32 %x, 1 %cmp = icmp eq i32 %and, 0 %and2 = and i32 %y, -3 %select = select i1 %cmp, i32 %y, i32 %and2 %select2 = select i1 %cmp, i32 %z, i32 %w ; to bump up use count of the cmp %res = mul i32 %select, %select2 %res2 = mul i32 %res, %and2 ; to bump up the use count of the and ret i32 %res2 } define i32 @no_shift_no_xor_multiuse_cmp_or(i32 %x, i32 %y, i32 %z, i32 %w) { ; CHECK-LABEL: @no_shift_no_xor_multiuse_cmp_or( ; CHECK-NEXT: [[AND:%.*]] = and i32 [[X:%.*]], 4096 ; CHECK-NEXT: [[CMP:%.*]] = icmp eq i32 [[AND]], 0 ; CHECK-NEXT: [[OR:%.*]] = or i32 [[Y:%.*]], 4096 ; CHECK-NEXT: [[TMP1:%.*]] = or i32 [[AND]], [[Y]] ; CHECK-NEXT: [[SELECT2:%.*]] = select i1 [[CMP]], i32 [[Z:%.*]], i32 [[W:%.*]] ; CHECK-NEXT: [[RES:%.*]] = mul i32 [[TMP1]], [[SELECT2]] ; CHECK-NEXT: [[RES2:%.*]] = mul i32 [[RES]], [[OR]] ; CHECK-NEXT: ret i32 [[RES2]] ; %and = and i32 %x, 4096 %cmp = icmp eq i32 %and, 0 %or = or i32 %y, 4096 %select = select i1 %cmp, i32 %y, i32 %or %select2 = select i1 %cmp, i32 %z, i32 %w ; to bump up use count of the cmp %res = mul i32 %select, %select2 %res2 = mul i32 %res, %or ; to bump up the use count of the or ret i32 %res2 } define i32 @no_shift_no_xor_multiuse_cmp_xor(i32 %x, i32 %y, i32 %z, i32 %w) { ; CHECK-LABEL: @no_shift_no_xor_multiuse_cmp_xor( ; CHECK-NEXT: [[AND:%.*]] = and i32 [[X:%.*]], 4096 ; CHECK-NEXT: [[CMP:%.*]] = icmp eq i32 [[AND]], 0 ; CHECK-NEXT: [[XOR:%.*]] = xor i32 [[Y:%.*]], 4096 ; CHECK-NEXT: [[SELECT:%.*]] = select i1 [[CMP]], i32 [[Y]], i32 [[XOR]] ; CHECK-NEXT: [[SELECT2:%.*]] = select i1 [[CMP]], i32 [[Z:%.*]], i32 [[W:%.*]] ; CHECK-NEXT: [[RES:%.*]] = mul i32 [[SELECT]], [[SELECT2]] ; CHECK-NEXT: [[RES2:%.*]] = mul i32 [[RES]], [[XOR]] ; CHECK-NEXT: ret i32 [[RES2]] ; %and = and i32 %x, 4096 %cmp = icmp eq i32 %and, 0 %xor = xor i32 %y, 4096 %select = select i1 %cmp, i32 %y, i32 %xor %select2 = select i1 %cmp, i32 %z, i32 %w ; to bump up use count of the cmp %res = mul i32 %select, %select2 %res2 = mul i32 %res, %xor ; to bump up the use count of the xor ret i32 %res2 } define i32 @no_shift_no_xor_multiuse_cmp_and(i32 %x, i32 %y, i32 %z, i32 %w) { ; CHECK-LABEL: @no_shift_no_xor_multiuse_cmp_and( ; CHECK-NEXT: [[AND:%.*]] = and i32 [[X:%.*]], 4096 ; CHECK-NEXT: [[CMP:%.*]] = icmp eq i32 [[AND]], 0 ; CHECK-NEXT: [[AND2:%.*]] = and i32 [[Y:%.*]], -4097 ; CHECK-NEXT: [[SELECT:%.*]] = select i1 [[CMP]], i32 [[Y]], i32 [[AND2]] ; CHECK-NEXT: [[SELECT2:%.*]] = select i1 [[CMP]], i32 [[Z:%.*]], i32 [[W:%.*]] ; CHECK-NEXT: [[RES:%.*]] = mul i32 [[SELECT]], [[SELECT2]] ; CHECK-NEXT: [[RES2:%.*]] = mul i32 [[RES]], [[AND2]] ; CHECK-NEXT: ret i32 [[RES2]] ; %and = and i32 %x, 4096 %cmp = icmp eq i32 %and, 0 %and2 = and i32 %y, -4097 %select = select i1 %cmp, i32 %y, i32 %and2 %select2 = select i1 %cmp, i32 %z, i32 %w ; to bump up use count of the cmp %res = mul i32 %select, %select2 %res2 = mul i32 %res, %and2 ; to bump up the use count of the and ret i32 %res2 } define i32 @no_shift_xor_multiuse_cmp_or(i32 %x, i32 %y, i32 %z, i32 %w) { ; CHECK-LABEL: @no_shift_xor_multiuse_cmp_or( ; CHECK-NEXT: [[AND:%.*]] = and i32 [[X:%.*]], 4096 ; CHECK-NEXT: [[CMP_NOT:%.*]] = icmp eq i32 [[AND]], 0 ; CHECK-NEXT: [[OR:%.*]] = or i32 [[Y:%.*]], 4096 ; CHECK-NEXT: [[SELECT:%.*]] = select i1 [[CMP_NOT]], i32 [[OR]], i32 [[Y]] ; CHECK-NEXT: [[SELECT2:%.*]] = select i1 [[CMP_NOT]], i32 [[W:%.*]], i32 [[Z:%.*]] ; CHECK-NEXT: [[RES:%.*]] = mul i32 [[SELECT]], [[SELECT2]] ; CHECK-NEXT: [[RES2:%.*]] = mul i32 [[RES]], [[OR]] ; CHECK-NEXT: ret i32 [[RES2]] ; %and = and i32 %x, 4096 %cmp = icmp ne i32 0, %and %or = or i32 %y, 4096 %select = select i1 %cmp, i32 %y, i32 %or %select2 = select i1 %cmp, i32 %z, i32 %w ; to bump up use count of the cmp %res = mul i32 %select, %select2 %res2 = mul i32 %res, %or ; to bump up the use count of the or ret i32 %res2 } define i32 @no_shift_xor_multiuse_cmp_xor(i32 %x, i32 %y, i32 %z, i32 %w) { ; CHECK-LABEL: @no_shift_xor_multiuse_cmp_xor( ; CHECK-NEXT: [[AND:%.*]] = and i32 [[X:%.*]], 4096 ; CHECK-NEXT: [[CMP_NOT:%.*]] = icmp eq i32 [[AND]], 0 ; CHECK-NEXT: [[XOR:%.*]] = xor i32 [[Y:%.*]], 4096 ; CHECK-NEXT: [[SELECT:%.*]] = select i1 [[CMP_NOT]], i32 [[XOR]], i32 [[Y]] ; CHECK-NEXT: [[SELECT2:%.*]] = select i1 [[CMP_NOT]], i32 [[W:%.*]], i32 [[Z:%.*]] ; CHECK-NEXT: [[RES:%.*]] = mul i32 [[SELECT]], [[SELECT2]] ; CHECK-NEXT: [[RES2:%.*]] = mul i32 [[RES]], [[XOR]] ; CHECK-NEXT: ret i32 [[RES2]] ; %and = and i32 %x, 4096 %cmp = icmp ne i32 0, %and %xor = xor i32 %y, 4096 %select = select i1 %cmp, i32 %y, i32 %xor %select2 = select i1 %cmp, i32 %z, i32 %w ; to bump up use count of the cmp %res = mul i32 %select, %select2 %res2 = mul i32 %res, %xor ; to bump up the use count of the xor ret i32 %res2 } define i32 @no_shift_xor_multiuse_cmp_and(i32 %x, i32 %y, i32 %z, i32 %w) { ; CHECK-LABEL: @no_shift_xor_multiuse_cmp_and( ; CHECK-NEXT: [[AND:%.*]] = and i32 [[X:%.*]], 4096 ; CHECK-NEXT: [[CMP_NOT:%.*]] = icmp eq i32 [[AND]], 0 ; CHECK-NEXT: [[AND2:%.*]] = and i32 [[Y:%.*]], -4097 ; CHECK-NEXT: [[SELECT:%.*]] = select i1 [[CMP_NOT]], i32 [[AND2]], i32 [[Y]] ; CHECK-NEXT: [[SELECT2:%.*]] = select i1 [[CMP_NOT]], i32 [[W:%.*]], i32 [[Z:%.*]] ; CHECK-NEXT: [[RES:%.*]] = mul i32 [[SELECT]], [[SELECT2]] ; CHECK-NEXT: [[RES2:%.*]] = mul i32 [[RES]], [[AND2]] ; CHECK-NEXT: ret i32 [[RES2]] ; %and = and i32 %x, 4096 %cmp = icmp ne i32 0, %and %and2 = and i32 %y, -4097 %select = select i1 %cmp, i32 %y, i32 %and2 %select2 = select i1 %cmp, i32 %z, i32 %w ; to bump up use count of the cmp %res = mul i32 %select, %select2 %res2 = mul i32 %res, %and2 ; to bump up the use count of the and ret i32 %res2 } define i32 @shift_xor_multiuse_cmp_or(i32 %x, i32 %y, i32 %z, i32 %w) { ; CHECK-LABEL: @shift_xor_multiuse_cmp_or( ; CHECK-NEXT: [[AND:%.*]] = and i32 [[X:%.*]], 4096 ; CHECK-NEXT: [[CMP_NOT:%.*]] = icmp eq i32 [[AND]], 0 ; CHECK-NEXT: [[OR:%.*]] = or i32 [[Y:%.*]], 2048 ; CHECK-NEXT: [[SELECT:%.*]] = select i1 [[CMP_NOT]], i32 [[OR]], i32 [[Y]] ; CHECK-NEXT: [[SELECT2:%.*]] = select i1 [[CMP_NOT]], i32 [[W:%.*]], i32 [[Z:%.*]] ; CHECK-NEXT: [[RES:%.*]] = mul i32 [[SELECT]], [[SELECT2]] ; CHECK-NEXT: [[RES2:%.*]] = mul i32 [[RES]], [[OR]] ; CHECK-NEXT: ret i32 [[RES2]] ; %and = and i32 %x, 4096 %cmp = icmp ne i32 0, %and %or = or i32 %y, 2048 %select = select i1 %cmp, i32 %y, i32 %or %select2 = select i1 %cmp, i32 %z, i32 %w ; to bump up use count of the cmp %res = mul i32 %select, %select2 %res2 = mul i32 %res, %or ; to bump up the use count of the or ret i32 %res2 } define i32 @shift_xor_multiuse_cmp_xor(i32 %x, i32 %y, i32 %z, i32 %w) { ; CHECK-LABEL: @shift_xor_multiuse_cmp_xor( ; CHECK-NEXT: [[AND:%.*]] = and i32 [[X:%.*]], 4096 ; CHECK-NEXT: [[CMP_NOT:%.*]] = icmp eq i32 [[AND]], 0 ; CHECK-NEXT: [[XOR:%.*]] = xor i32 [[Y:%.*]], 2048 ; CHECK-NEXT: [[SELECT:%.*]] = select i1 [[CMP_NOT]], i32 [[XOR]], i32 [[Y]] ; CHECK-NEXT: [[SELECT2:%.*]] = select i1 [[CMP_NOT]], i32 [[W:%.*]], i32 [[Z:%.*]] ; CHECK-NEXT: [[RES:%.*]] = mul i32 [[SELECT]], [[SELECT2]] ; CHECK-NEXT: [[RES2:%.*]] = mul i32 [[RES]], [[XOR]] ; CHECK-NEXT: ret i32 [[RES2]] ; %and = and i32 %x, 4096 %cmp = icmp ne i32 0, %and %xor = xor i32 %y, 2048 %select = select i1 %cmp, i32 %y, i32 %xor %select2 = select i1 %cmp, i32 %z, i32 %w ; to bump up use count of the cmp %res = mul i32 %select, %select2 %res2 = mul i32 %res, %xor ; to bump up the use count of the xor ret i32 %res2 } define i32 @shift_xor_multiuse_cmp_and(i32 %x, i32 %y, i32 %z, i32 %w) { ; CHECK-LABEL: @shift_xor_multiuse_cmp_and( ; CHECK-NEXT: [[AND:%.*]] = and i32 [[X:%.*]], 4096 ; CHECK-NEXT: [[CMP_NOT:%.*]] = icmp eq i32 [[AND]], 0 ; CHECK-NEXT: [[AND2:%.*]] = and i32 [[Y:%.*]], 2048 ; CHECK-NEXT: [[SELECT:%.*]] = select i1 [[CMP_NOT]], i32 [[AND2]], i32 [[Y]] ; CHECK-NEXT: [[SELECT2:%.*]] = select i1 [[CMP_NOT]], i32 [[W:%.*]], i32 [[Z:%.*]] ; CHECK-NEXT: [[RES:%.*]] = mul i32 [[SELECT]], [[SELECT2]] ; CHECK-NEXT: [[RES2:%.*]] = mul i32 [[RES]], [[AND2]] ; CHECK-NEXT: ret i32 [[RES2]] ; %and = and i32 %x, 4096 %cmp = icmp ne i32 0, %and %and2 = and i32 %y, 2048 %select = select i1 %cmp, i32 %y, i32 %and2 %select2 = select i1 %cmp, i32 %z, i32 %w ; to bump up use count of the cmp %res = mul i32 %select, %select2 %res2 = mul i32 %res, %and2 ; to bump up the use count of the and ret i32 %res2 } define i8 @set_bits(i8 %x, i1 %b) { ; CHECK-LABEL: @set_bits( ; CHECK-NEXT: [[AND:%.*]] = and i8 [[X:%.*]], -6 ; CHECK-NEXT: [[MASKSEL:%.*]] = select i1 [[B:%.*]], i8 5, i8 0 ; CHECK-NEXT: [[COND:%.*]] = or i8 [[AND]], [[MASKSEL]] ; CHECK-NEXT: ret i8 [[COND]] ; %and = and i8 %x, 250 %or = or i8 %x, 5 %cond = select i1 %b, i8 %or, i8 %and ret i8 %cond } ; Negative test define i8 @set_bits_not_inverse_constant(i8 %x, i1 %b) { ; CHECK-LABEL: @set_bits_not_inverse_constant( ; CHECK-NEXT: [[AND:%.*]] = and i8 [[X:%.*]], -6 ; CHECK-NEXT: [[OR:%.*]] = or i8 [[X]], 7 ; CHECK-NEXT: [[COND:%.*]] = select i1 [[B:%.*]], i8 [[OR]], i8 [[AND]] ; CHECK-NEXT: ret i8 [[COND]] ; %and = and i8 %x, 250 %or = or i8 %x, 7 %cond = select i1 %b, i8 %or, i8 %and ret i8 %cond } define i8 @set_bits_extra_use1(i8 %x, i1 %b) { ; CHECK-LABEL: @set_bits_extra_use1( ; CHECK-NEXT: [[AND:%.*]] = and i8 [[X:%.*]], -6 ; CHECK-NEXT: call void @use(i8 [[AND]]) ; CHECK-NEXT: [[MASKSEL:%.*]] = select i1 [[B:%.*]], i8 5, i8 0 ; CHECK-NEXT: [[COND:%.*]] = or i8 [[AND]], [[MASKSEL]] ; CHECK-NEXT: ret i8 [[COND]] ; %and = and i8 %x, 250 call void @use(i8 %and) %or = or i8 %x, 5 %cond = select i1 %b, i8 %or, i8 %and ret i8 %cond } ; Negative test define i8 @set_bits_extra_use2(i8 %x, i1 %b) { ; CHECK-LABEL: @set_bits_extra_use2( ; CHECK-NEXT: [[AND:%.*]] = and i8 [[X:%.*]], -6 ; CHECK-NEXT: [[OR:%.*]] = or i8 [[X]], 5 ; CHECK-NEXT: call void @use(i8 [[OR]]) ; CHECK-NEXT: [[COND:%.*]] = select i1 [[B:%.*]], i8 [[OR]], i8 [[AND]] ; CHECK-NEXT: ret i8 [[COND]] ; %and = and i8 %x, 250 %or = or i8 %x, 5 call void @use(i8 %or) %cond = select i1 %b, i8 %or, i8 %and ret i8 %cond } define <2 x i8> @clear_bits(<2 x i8> %x, <2 x i1> %b) { ; CHECK-LABEL: @clear_bits( ; CHECK-NEXT: [[AND:%.*]] = and <2 x i8> [[X:%.*]], <i8 37, i8 37> ; CHECK-NEXT: [[MASKSEL:%.*]] = select <2 x i1> [[B:%.*]], <2 x i8> zeroinitializer, <2 x i8> <i8 -38, i8 -38> ; CHECK-NEXT: [[COND:%.*]] = or <2 x i8> [[AND]], [[MASKSEL]] ; CHECK-NEXT: ret <2 x i8> [[COND]] ; %and = and <2 x i8> %x, <i8 37, i8 37> %or = or <2 x i8> %x, <i8 218, i8 218> %cond = select <2 x i1> %b, <2 x i8> %and, <2 x i8> %or ret <2 x i8> %cond } ; Negative test define <2 x i8> @clear_bits_not_inverse_constant(<2 x i8> %x, <2 x i1> %b) { ; CHECK-LABEL: @clear_bits_not_inverse_constant( ; CHECK-NEXT: [[AND:%.*]] = and <2 x i8> [[X:%.*]], <i8 undef, i8 37> ; CHECK-NEXT: [[OR:%.*]] = or <2 x i8> [[X]], <i8 -38, i8 -38> ; CHECK-NEXT: [[COND:%.*]] = select <2 x i1> [[B:%.*]], <2 x i8> [[AND]], <2 x i8> [[OR]] ; CHECK-NEXT: ret <2 x i8> [[COND]] ; %and = and <2 x i8> %x, <i8 undef, i8 37> %or = or <2 x i8> %x, <i8 218, i8 218> %cond = select <2 x i1> %b, <2 x i8> %and, <2 x i8> %or ret <2 x i8> %cond } define <2 x i8> @clear_bits_extra_use1(<2 x i8> %x, i1 %b) { ; CHECK-LABEL: @clear_bits_extra_use1( ; CHECK-NEXT: [[AND:%.*]] = and <2 x i8> [[X:%.*]], <i8 37, i8 37> ; CHECK-NEXT: call void @use_vec(<2 x i8> [[AND]]) ; CHECK-NEXT: [[MASKSEL:%.*]] = select i1 [[B:%.*]], <2 x i8> zeroinitializer, <2 x i8> <i8 -38, i8 -38> ; CHECK-NEXT: [[COND:%.*]] = or <2 x i8> [[AND]], [[MASKSEL]] ; CHECK-NEXT: ret <2 x i8> [[COND]] ; %and = and <2 x i8> %x, <i8 37, i8 37> call void @use_vec(<2 x i8> %and) %or = or <2 x i8> %x, <i8 218, i8 218> %cond = select i1 %b, <2 x i8> %and, <2 x i8> %or ret <2 x i8> %cond } ; Negative test define i8 @clear_bits_extra_use2(i8 %x, i1 %b) { ; CHECK-LABEL: @clear_bits_extra_use2( ; CHECK-NEXT: [[AND:%.*]] = and i8 [[X:%.*]], -6 ; CHECK-NEXT: [[OR:%.*]] = or i8 [[X]], 5 ; CHECK-NEXT: call void @use(i8 [[OR]]) ; CHECK-NEXT: [[COND:%.*]] = select i1 [[B:%.*]], i8 [[AND]], i8 [[OR]] ; CHECK-NEXT: ret i8 [[COND]] ; %and = and i8 %x, 250 %or = or i8 %x, 5 call void @use(i8 %or) %cond = select i1 %b, i8 %and, i8 %or ret i8 %cond }