; NOTE: Assertions have been autogenerated by utils/update_test_checks.py ; RUN: opt < %s -passes=instcombine -S | FileCheck %s declare i1 @gen1() define i1 @cond_eq_and(i8 %X, i8 %Y, i8 noundef %C) { ; CHECK-LABEL: @cond_eq_and( ; CHECK-NEXT: [[COND:%.*]] = icmp eq i8 [[X:%.*]], [[C:%.*]] ; CHECK-NEXT: [[LHS:%.*]] = icmp ult i8 [[X]], [[Y:%.*]] ; CHECK-NEXT: [[RES:%.*]] = select i1 [[COND]], i1 [[LHS]], i1 false ; CHECK-NEXT: ret i1 [[RES]] ; %cond = icmp eq i8 %X, %C %lhs = icmp ult i8 %X, %Y %res = select i1 %cond, i1 %lhs, i1 false ret i1 %res } define i1 @cond_eq_and_const(i8 %X, i8 %Y) { ; CHECK-LABEL: @cond_eq_and_const( ; CHECK-NEXT: [[COND:%.*]] = icmp eq i8 [[X:%.*]], 10 ; CHECK-NEXT: [[TMP1:%.*]] = icmp ugt i8 [[Y:%.*]], 10 ; CHECK-NEXT: [[RES:%.*]] = select i1 [[COND]], i1 [[TMP1]], i1 false ; CHECK-NEXT: ret i1 [[RES]] ; %cond = icmp eq i8 %X, 10 %lhs = icmp ult i8 %X, %Y %res = select i1 %cond, i1 %lhs, i1 false ret i1 %res } define i1 @cond_eq_or(i8 %X, i8 %Y, i8 noundef %C) { ; CHECK-LABEL: @cond_eq_or( ; CHECK-NEXT: [[COND:%.*]] = icmp ne i8 [[X:%.*]], [[C:%.*]] ; CHECK-NEXT: [[LHS:%.*]] = icmp ult i8 [[X]], [[Y:%.*]] ; CHECK-NEXT: [[RES:%.*]] = select i1 [[COND]], i1 true, i1 [[LHS]] ; CHECK-NEXT: ret i1 [[RES]] ; %cond = icmp ne i8 %X, %C %lhs = icmp ult i8 %X, %Y %res = select i1 %cond, i1 true, i1 %lhs ret i1 %res } define i1 @cond_eq_or_const(i8 %X, i8 %Y) { ; CHECK-LABEL: @cond_eq_or_const( ; CHECK-NEXT: [[COND:%.*]] = icmp ne i8 [[X:%.*]], 10 ; CHECK-NEXT: [[TMP1:%.*]] = icmp ugt i8 [[Y:%.*]], 10 ; CHECK-NEXT: [[RES:%.*]] = select i1 [[COND]], i1 true, i1 [[TMP1]] ; CHECK-NEXT: ret i1 [[RES]] ; %cond = icmp ne i8 %X, 10 %lhs = icmp ult i8 %X, %Y %res = select i1 %cond, i1 true, i1 %lhs ret i1 %res } define i1 @xor_and(i1 %c, i32 %X, i32 %Y) { ; CHECK-LABEL: @xor_and( ; CHECK-NEXT: [[COMP:%.*]] = icmp uge i32 [[X:%.*]], [[Y:%.*]] ; CHECK-NEXT: [[NOT_C:%.*]] = xor i1 [[C:%.*]], true ; CHECK-NEXT: [[SEL:%.*]] = select i1 [[NOT_C]], i1 true, i1 [[COMP]] ; CHECK-NEXT: ret i1 [[SEL]] ; %comp = icmp ult i32 %X, %Y %sel = select i1 %c, i1 %comp, i1 false %res = xor i1 %sel, true ret i1 %res } define <2 x i1> @xor_and2(<2 x i1> %c, <2 x i32> %X, <2 x i32> %Y) { ; CHECK-LABEL: @xor_and2( ; CHECK-NEXT: [[COMP:%.*]] = icmp uge <2 x i32> [[X:%.*]], [[Y:%.*]] ; CHECK-NEXT: [[SEL:%.*]] = select <2 x i1> [[C:%.*]], <2 x i1> [[COMP]], <2 x i1> ; CHECK-NEXT: ret <2 x i1> [[SEL]] ; %comp = icmp ult <2 x i32> %X, %Y %sel = select <2 x i1> %c, <2 x i1> %comp, <2 x i1> %res = xor <2 x i1> %sel, ret <2 x i1> %res } @glb = global i8 0 define <2 x i1> @xor_and3(<2 x i1> %c, <2 x i32> %X, <2 x i32> %Y) { ; CHECK-LABEL: @xor_and3( ; CHECK-NEXT: [[COMP:%.*]] = icmp uge <2 x i32> [[X:%.*]], [[Y:%.*]] ; CHECK-NEXT: [[SEL:%.*]] = select <2 x i1> [[C:%.*]], <2 x i1> [[COMP]], <2 x i1> ; CHECK-NEXT: ret <2 x i1> [[SEL]] ; %comp = icmp ult <2 x i32> %X, %Y %sel = select <2 x i1> %c, <2 x i1> %comp, <2 x i1> %res = xor <2 x i1> %sel, ret <2 x i1> %res } define i1 @xor_or(i1 %c, i32 %X, i32 %Y) { ; CHECK-LABEL: @xor_or( ; CHECK-NEXT: [[COMP:%.*]] = icmp uge i32 [[X:%.*]], [[Y:%.*]] ; CHECK-NEXT: [[NOT_C:%.*]] = xor i1 [[C:%.*]], true ; CHECK-NEXT: [[SEL:%.*]] = select i1 [[NOT_C]], i1 [[COMP]], i1 false ; CHECK-NEXT: ret i1 [[SEL]] ; %comp = icmp ult i32 %X, %Y %sel = select i1 %c, i1 true, i1 %comp %res = xor i1 %sel, true ret i1 %res } define <2 x i1> @xor_or2(<2 x i1> %c, <2 x i32> %X, <2 x i32> %Y) { ; CHECK-LABEL: @xor_or2( ; CHECK-NEXT: [[COMP:%.*]] = icmp uge <2 x i32> [[X:%.*]], [[Y:%.*]] ; CHECK-NEXT: [[SEL:%.*]] = select <2 x i1> [[C:%.*]], <2 x i1> , <2 x i1> [[COMP]] ; CHECK-NEXT: ret <2 x i1> [[SEL]] ; %comp = icmp ult <2 x i32> %X, %Y %sel = select <2 x i1> %c, <2 x i1> , <2 x i1> %comp %res = xor <2 x i1> %sel, ret <2 x i1> %res } define <2 x i1> @xor_or3(<2 x i1> %c, <2 x i32> %X, <2 x i32> %Y) { ; CHECK-LABEL: @xor_or3( ; CHECK-NEXT: [[COMP:%.*]] = icmp uge <2 x i32> [[X:%.*]], [[Y:%.*]] ; CHECK-NEXT: [[SEL:%.*]] = select <2 x i1> [[C:%.*]], <2 x i1> , <2 x i1> [[COMP]] ; CHECK-NEXT: ret <2 x i1> [[SEL]] ; %comp = icmp ult <2 x i32> %X, %Y %sel = select <2 x i1> %c, <2 x i1> , <2 x i1> %comp %res = xor <2 x i1> %sel, ret <2 x i1> %res } define i1 @and_orn_cmp_1_logical(i32 %a, i32 %b, i1 %y) { ; CHECK-LABEL: @and_orn_cmp_1_logical( ; CHECK-NEXT: [[X:%.*]] = icmp sgt i32 [[A:%.*]], [[B:%.*]] ; CHECK-NEXT: [[AND:%.*]] = select i1 [[X]], i1 [[Y:%.*]], i1 false ; CHECK-NEXT: ret i1 [[AND]] ; %x = icmp sgt i32 %a, %b %x_inv = icmp sle i32 %a, %b %or = select i1 %y, i1 true, i1 %x_inv %and = select i1 %x, i1 %or, i1 false ret i1 %and } ; TODO: This should fold the same way as the next test. define i1 @and_orn_cmp_1_partial_logical(i32 %a, i32 %b, i1 %y) { ; CHECK-LABEL: @and_orn_cmp_1_partial_logical( ; CHECK-NEXT: [[X:%.*]] = icmp sgt i32 [[A:%.*]], [[B:%.*]] ; CHECK-NEXT: [[X_INV:%.*]] = icmp sle i32 [[A]], [[B]] ; CHECK-NEXT: [[OR:%.*]] = or i1 [[X_INV]], [[Y:%.*]] ; CHECK-NEXT: [[AND:%.*]] = select i1 [[X]], i1 [[OR]], i1 false ; CHECK-NEXT: ret i1 [[AND]] ; %x = icmp sgt i32 %a, %b %x_inv = icmp sle i32 %a, %b %or = or i1 %x_inv, %y %and = select i1 %x, i1 %or, i1 false ret i1 %and } define i1 @and_orn_cmp_1_partial_logical_commute(i32 %a, i32 %b) { ; CHECK-LABEL: @and_orn_cmp_1_partial_logical_commute( ; CHECK-NEXT: [[Y:%.*]] = call i1 @gen1() ; CHECK-NEXT: [[X:%.*]] = icmp sgt i32 [[A:%.*]], [[B:%.*]] ; CHECK-NEXT: [[AND:%.*]] = select i1 [[X]], i1 [[Y]], i1 false ; CHECK-NEXT: ret i1 [[AND]] ; %y = call i1 @gen1() ; thwart complexity-based canonicalization %x = icmp sgt i32 %a, %b %x_inv = icmp sle i32 %a, %b %or = or i1 %y, %x_inv %and = select i1 %x, i1 %or, i1 false ret i1 %and } ; TODO: This does not require poison-safe (select) logical-and. define i1 @andn_or_cmp_2_logical(i16 %a, i16 %b, i1 %y) { ; CHECK-LABEL: @andn_or_cmp_2_logical( ; CHECK-NEXT: [[X_INV:%.*]] = icmp slt i16 [[A:%.*]], [[B:%.*]] ; CHECK-NEXT: [[AND:%.*]] = select i1 [[Y:%.*]], i1 [[X_INV]], i1 false ; CHECK-NEXT: ret i1 [[AND]] ; %x = icmp sge i16 %a, %b %x_inv = icmp slt i16 %a, %b %or = select i1 %y, i1 true, i1 %x %and = select i1 %or, i1 %x_inv, i1 false ret i1 %and } define i1 @andn_or_cmp_2_partial_logical(i16 %a, i16 %b, i1 %y) { ; CHECK-LABEL: @andn_or_cmp_2_partial_logical( ; CHECK-NEXT: [[X_INV:%.*]] = icmp slt i16 [[A:%.*]], [[B:%.*]] ; CHECK-NEXT: [[AND:%.*]] = and i1 [[X_INV]], [[Y:%.*]] ; CHECK-NEXT: ret i1 [[AND]] ; %x = icmp sge i16 %a, %b %x_inv = icmp slt i16 %a, %b %or = or i1 %x, %y %and = select i1 %or, i1 %x_inv, i1 false ret i1 %and } define i1 @andn_or_cmp_2_partial_logical_commute(i16 %a, i16 %b) { ; CHECK-LABEL: @andn_or_cmp_2_partial_logical_commute( ; CHECK-NEXT: [[Y:%.*]] = call i1 @gen1() ; CHECK-NEXT: [[X_INV:%.*]] = icmp slt i16 [[A:%.*]], [[B:%.*]] ; CHECK-NEXT: [[AND:%.*]] = and i1 [[Y]], [[X_INV]] ; CHECK-NEXT: ret i1 [[AND]] ; %y = call i1 @gen1() ; thwart complexity-based canonicalization %x = icmp sge i16 %a, %b %x_inv = icmp slt i16 %a, %b %or = or i1 %y, %x %and = select i1 %or, i1 %x_inv, i1 false ret i1 %and } ; PR58552 - this would crash trying to replace non-matching types define <2 x i1> @not_logical_or(i1 %b, <2 x i32> %a) { ; CHECK-LABEL: @not_logical_or( ; CHECK-NEXT: [[COND:%.*]] = icmp ult <2 x i32> [[A:%.*]], ; CHECK-NEXT: [[IMPLIED:%.*]] = icmp slt <2 x i32> [[A]], ; CHECK-NEXT: [[OR:%.*]] = select i1 [[B:%.*]], <2 x i1> , <2 x i1> [[IMPLIED]] ; CHECK-NEXT: [[AND:%.*]] = select <2 x i1> [[COND]], <2 x i1> [[OR]], <2 x i1> zeroinitializer ; CHECK-NEXT: ret <2 x i1> [[AND]] ; %cond = icmp ult <2 x i32> %a, %implied = icmp slt <2 x i32> %a, %or = select i1 %b, <2 x i1> , <2 x i1> %implied %and = select <2 x i1> %cond, <2 x i1> %or, <2 x i1> zeroinitializer ret <2 x i1> %and } ; This could reduce, but we do not match select-of-vectors with scalar condition as logical-or. define <2 x i1> @not_logical_or2(i1 %b, <2 x i32> %a) { ; CHECK-LABEL: @not_logical_or2( ; CHECK-NEXT: [[COND:%.*]] = icmp ult <2 x i32> [[A:%.*]], ; CHECK-NEXT: [[IMPLIED:%.*]] = icmp slt <2 x i32> [[A]], ; CHECK-NEXT: [[OR:%.*]] = select i1 [[B:%.*]], <2 x i1> , <2 x i1> [[IMPLIED]] ; CHECK-NEXT: [[AND:%.*]] = select <2 x i1> [[OR]], <2 x i1> [[COND]], <2 x i1> zeroinitializer ; CHECK-NEXT: ret <2 x i1> [[AND]] ; %cond = icmp ult <2 x i32> %a, %implied = icmp slt <2 x i32> %a, %or = select i1 %b, <2 x i1> , <2 x i1> %implied %and = select <2 x i1> %or, <2 x i1> %cond, <2 x i1> zeroinitializer ret <2 x i1> %and } define i1 @bools_logical_commute0(i1 %a, i1 %b, i1 %c) { ; CHECK-LABEL: @bools_logical_commute0( ; CHECK-NEXT: [[OR:%.*]] = select i1 [[C:%.*]], i1 [[B:%.*]], i1 [[A:%.*]] ; CHECK-NEXT: ret i1 [[OR]] ; %not = xor i1 %c, -1 %and1 = select i1 %not, i1 %a, i1 false %and2 = select i1 %c, i1 %b, i1 false %or = select i1 %and1, i1 true, i1 %and2 ret i1 %or } define i1 @bools_logical_commute0_and1(i1 %a, i1 %b, i1 %c) { ; CHECK-LABEL: @bools_logical_commute0_and1( ; CHECK-NEXT: [[OR:%.*]] = select i1 [[C:%.*]], i1 [[B:%.*]], i1 [[A:%.*]] ; CHECK-NEXT: ret i1 [[OR]] ; %not = xor i1 %c, -1 %and1 = and i1 %not, %a %and2 = select i1 %c, i1 %b, i1 false %or = select i1 %and1, i1 true, i1 %and2 ret i1 %or } define i1 @bools_logical_commute0_and2(i1 %a, i1 %b, i1 %c) { ; CHECK-LABEL: @bools_logical_commute0_and2( ; CHECK-NEXT: [[OR:%.*]] = select i1 [[C:%.*]], i1 [[B:%.*]], i1 [[A:%.*]] ; CHECK-NEXT: ret i1 [[OR]] ; %not = xor i1 %c, -1 %and1 = select i1 %not, i1 %a, i1 false %and2 = and i1 %c, %b %or = select i1 %and1, i1 true, i1 %and2 ret i1 %or } define i1 @bools_logical_commute0_and1_and2(i1 %a, i1 %b, i1 %c) { ; CHECK-LABEL: @bools_logical_commute0_and1_and2( ; CHECK-NEXT: [[OR:%.*]] = select i1 [[C:%.*]], i1 [[B:%.*]], i1 [[A:%.*]] ; CHECK-NEXT: ret i1 [[OR]] ; %not = xor i1 %c, -1 %and1 = and i1 %not, %a %and2 = and i1 %c, %b %or = select i1 %and1, i1 true, i1 %and2 ret i1 %or } define i1 @bools_logical_commute1(i1 %a, i1 %b, i1 %c) { ; CHECK-LABEL: @bools_logical_commute1( ; CHECK-NEXT: [[OR:%.*]] = select i1 [[C:%.*]], i1 [[B:%.*]], i1 [[A:%.*]] ; CHECK-NEXT: ret i1 [[OR]] ; %not = xor i1 %c, -1 %and1 = select i1 %a, i1 %not, i1 false %and2 = select i1 %c, i1 %b, i1 false %or = select i1 %and1, i1 true, i1 %and2 ret i1 %or } define i1 @bools_logical_commute1_and1(i1 %b, i1 %c) { ; CHECK-LABEL: @bools_logical_commute1_and1( ; CHECK-NEXT: [[A:%.*]] = call i1 @gen1() ; CHECK-NEXT: [[OR:%.*]] = select i1 [[C:%.*]], i1 [[B:%.*]], i1 [[A]] ; CHECK-NEXT: ret i1 [[OR]] ; %a = call i1 @gen1() %not = xor i1 %c, -1 %and1 = and i1 %a, %not %and2 = select i1 %c, i1 %b, i1 false %or = select i1 %and1, i1 true, i1 %and2 ret i1 %or } define i1 @bools_logical_commute1_and2(i1 %a, i1 %b, i1 %c) { ; CHECK-LABEL: @bools_logical_commute1_and2( ; CHECK-NEXT: [[OR:%.*]] = select i1 [[C:%.*]], i1 [[B:%.*]], i1 [[A:%.*]] ; CHECK-NEXT: ret i1 [[OR]] ; %not = xor i1 %c, -1 %and1 = select i1 %a, i1 %not, i1 false %and2 = and i1 %c, %b %or = select i1 %and1, i1 true, i1 %and2 ret i1 %or } define i1 @bools_logical_commute1_and1_and2(i1 %b, i1 %c) { ; CHECK-LABEL: @bools_logical_commute1_and1_and2( ; CHECK-NEXT: [[A:%.*]] = call i1 @gen1() ; CHECK-NEXT: [[OR:%.*]] = select i1 [[C:%.*]], i1 [[B:%.*]], i1 [[A]] ; CHECK-NEXT: ret i1 [[OR]] ; %a = call i1 @gen1() %not = xor i1 %c, -1 %and1 = and i1 %a, %not %and2 = and i1 %c, %b %or = select i1 %and1, i1 true, i1 %and2 ret i1 %or } define <2 x i1> @bools_logical_commute2(<2 x i1> %a, <2 x i1> %b, <2 x i1> %c) { ; CHECK-LABEL: @bools_logical_commute2( ; CHECK-NEXT: [[OR:%.*]] = select <2 x i1> [[C:%.*]], <2 x i1> [[B:%.*]], <2 x i1> [[A:%.*]] ; CHECK-NEXT: ret <2 x i1> [[OR]] ; %not = xor <2 x i1> %c, %and1 = select <2 x i1> %not, <2 x i1> %a, <2 x i1> %and2 = select <2 x i1> %b, <2 x i1> %c, <2 x i1> %or = select <2 x i1> %and1, <2 x i1> , <2 x i1> %and2 ret <2 x i1> %or } define <2 x i1> @bools_logical_commute2_and1(<2 x i1> %a, <2 x i1> %b, <2 x i1> %c) { ; CHECK-LABEL: @bools_logical_commute2_and1( ; CHECK-NEXT: [[OR:%.*]] = select <2 x i1> [[C:%.*]], <2 x i1> [[B:%.*]], <2 x i1> [[A:%.*]] ; CHECK-NEXT: ret <2 x i1> [[OR]] ; %not = xor <2 x i1> %c, %and1 = and <2 x i1> %not, %a %and2 = select <2 x i1> %b, <2 x i1> %c, <2 x i1> %or = select <2 x i1> %and1, <2 x i1> , <2 x i1> %and2 ret <2 x i1> %or } define <2 x i1> @bools_logical_commute2_and2(<2 x i1> %a, <2 x i1> %b, <2 x i1> %c) { ; CHECK-LABEL: @bools_logical_commute2_and2( ; CHECK-NEXT: [[OR:%.*]] = select <2 x i1> [[C:%.*]], <2 x i1> [[B:%.*]], <2 x i1> [[A:%.*]] ; CHECK-NEXT: ret <2 x i1> [[OR]] ; %not = xor <2 x i1> %c, %and1 = select <2 x i1> %not, <2 x i1> %a, <2 x i1> %and2 = and <2 x i1> %b, %c %or = select <2 x i1> %and1, <2 x i1> , <2 x i1> %and2 ret <2 x i1> %or } define <2 x i1> @bools_logical_commute2_and1_and2(<2 x i1> %a, <2 x i1> %b, <2 x i1> %c) { ; CHECK-LABEL: @bools_logical_commute2_and1_and2( ; CHECK-NEXT: [[OR:%.*]] = select <2 x i1> [[C:%.*]], <2 x i1> [[B:%.*]], <2 x i1> [[A:%.*]] ; CHECK-NEXT: ret <2 x i1> [[OR]] ; %not = xor <2 x i1> %c, %and1 = and <2 x i1> %not, %a %and2 = and <2 x i1> %b, %c %or = select <2 x i1> %and1, <2 x i1> , <2 x i1> %and2 ret <2 x i1> %or } define i1 @bools_logical_commute3(i1 %a, i1 %b, i1 %c) { ; CHECK-LABEL: @bools_logical_commute3( ; CHECK-NEXT: [[TMP1:%.*]] = freeze i1 [[C:%.*]] ; CHECK-NEXT: [[OR:%.*]] = select i1 [[TMP1]], i1 [[B:%.*]], i1 [[A:%.*]] ; CHECK-NEXT: ret i1 [[OR]] ; %not = xor i1 %c, -1 %and1 = select i1 %a, i1 %not, i1 false %and2 = select i1 %b, i1 %c, i1 false %or = select i1 %and1, i1 true, i1 %and2 ret i1 %or } define i1 @bools_logical_commute3_and1(i1 %b, i1 %c) { ; CHECK-LABEL: @bools_logical_commute3_and1( ; CHECK-NEXT: [[A:%.*]] = call i1 @gen1() ; CHECK-NEXT: [[OR:%.*]] = select i1 [[C:%.*]], i1 [[B:%.*]], i1 [[A]] ; CHECK-NEXT: ret i1 [[OR]] ; %a = call i1 @gen1() %not = xor i1 %c, -1 %and1 = and i1 %a, %not %and2 = select i1 %b, i1 %c, i1 false %or = select i1 %and1, i1 true, i1 %and2 ret i1 %or } define i1 @bools_logical_commute3_and2(i1 %a, i1 %b, i1 %c) { ; CHECK-LABEL: @bools_logical_commute3_and2( ; CHECK-NEXT: [[OR:%.*]] = select i1 [[C:%.*]], i1 [[B:%.*]], i1 [[A:%.*]] ; CHECK-NEXT: ret i1 [[OR]] ; %not = xor i1 %c, -1 %and1 = select i1 %a, i1 %not, i1 false %and2 = and i1 %b, %c %or = select i1 %and1, i1 true, i1 %and2 ret i1 %or } define i1 @bools_logical_commute3_and1_and2(i1 %b, i1 %c) { ; CHECK-LABEL: @bools_logical_commute3_and1_and2( ; CHECK-NEXT: [[A:%.*]] = call i1 @gen1() ; CHECK-NEXT: [[OR:%.*]] = select i1 [[C:%.*]], i1 [[B:%.*]], i1 [[A]] ; CHECK-NEXT: ret i1 [[OR]] ; %a = call i1 @gen1() %not = xor i1 %c, -1 %and1 = and i1 %a, %not %and2 = and i1 %b, %c %or = select i1 %and1, i1 true, i1 %and2 ret i1 %or } define i1 @bools2_logical_commute0(i1 %a, i1 %b, i1 %c) { ; CHECK-LABEL: @bools2_logical_commute0( ; CHECK-NEXT: [[OR:%.*]] = select i1 [[C:%.*]], i1 [[A:%.*]], i1 [[B:%.*]] ; CHECK-NEXT: ret i1 [[OR]] ; %not = xor i1 %c, -1 %and1 = select i1 %c, i1 %a, i1 false %and2 = select i1 %not, i1 %b, i1 false %or = select i1 %and1, i1 true, i1 %and2 ret i1 %or } define i1 @bools2_logical_commute0_and1(i1 %a, i1 %b, i1 %c) { ; CHECK-LABEL: @bools2_logical_commute0_and1( ; CHECK-NEXT: [[OR:%.*]] = select i1 [[C:%.*]], i1 [[A:%.*]], i1 [[B:%.*]] ; CHECK-NEXT: ret i1 [[OR]] ; %not = xor i1 %c, -1 %and1 = and i1 %c, %a %and2 = select i1 %not, i1 %b, i1 false %or = select i1 %and1, i1 true, i1 %and2 ret i1 %or } define i1 @bools2_logical_commute0_and2(i1 %a, i1 %b, i1 %c) { ; CHECK-LABEL: @bools2_logical_commute0_and2( ; CHECK-NEXT: [[OR:%.*]] = select i1 [[C:%.*]], i1 [[A:%.*]], i1 [[B:%.*]] ; CHECK-NEXT: ret i1 [[OR]] ; %not = xor i1 %c, -1 %and1 = select i1 %c, i1 %a, i1 false %and2 = and i1 %not, %b %or = select i1 %and1, i1 true, i1 %and2 ret i1 %or } define i1 @bools2_logical_commute0_and1_and2(i1 %a, i1 %b, i1 %c) { ; CHECK-LABEL: @bools2_logical_commute0_and1_and2( ; CHECK-NEXT: [[OR:%.*]] = select i1 [[C:%.*]], i1 [[A:%.*]], i1 [[B:%.*]] ; CHECK-NEXT: ret i1 [[OR]] ; %not = xor i1 %c, -1 %and1 = and i1 %c, %a %and2 = and i1 %not, %b %or = select i1 %and1, i1 true, i1 %and2 ret i1 %or } define i1 @bools2_logical_commute1(i1 %a, i1 %b, i1 %c) { ; CHECK-LABEL: @bools2_logical_commute1( ; CHECK-NEXT: [[OR:%.*]] = select i1 [[C:%.*]], i1 [[A:%.*]], i1 [[B:%.*]] ; CHECK-NEXT: ret i1 [[OR]] ; %not = xor i1 %c, -1 %and1 = select i1 %a, i1 %c, i1 false %and2 = select i1 %not, i1 %b, i1 false %or = select i1 %and1, i1 true, i1 %and2 ret i1 %or } define i1 @bools2_logical_commute1_and1(i1 %a, i1 %b, i1 %c) { ; CHECK-LABEL: @bools2_logical_commute1_and1( ; CHECK-NEXT: [[OR:%.*]] = select i1 [[C:%.*]], i1 [[A:%.*]], i1 [[B:%.*]] ; CHECK-NEXT: ret i1 [[OR]] ; %not = xor i1 %c, -1 %and1 = and i1 %a, %c %and2 = select i1 %not, i1 %b, i1 false %or = select i1 %and1, i1 true, i1 %and2 ret i1 %or } define i1 @bools2_logical_commute1_and2(i1 %a, i1 %b, i1 %c) { ; CHECK-LABEL: @bools2_logical_commute1_and2( ; CHECK-NEXT: [[OR:%.*]] = select i1 [[C:%.*]], i1 [[A:%.*]], i1 [[B:%.*]] ; CHECK-NEXT: ret i1 [[OR]] ; %not = xor i1 %c, -1 %and1 = select i1 %a, i1 %c, i1 false %and2 = and i1 %not, %b %or = select i1 %and1, i1 true, i1 %and2 ret i1 %or } define i1 @bools2_logical_commute1_and1_and2(i1 %a, i1 %b, i1 %c) { ; CHECK-LABEL: @bools2_logical_commute1_and1_and2( ; CHECK-NEXT: [[OR:%.*]] = select i1 [[C:%.*]], i1 [[A:%.*]], i1 [[B:%.*]] ; CHECK-NEXT: ret i1 [[OR]] ; %not = xor i1 %c, -1 %and1 = and i1 %a, %c %and2 = and i1 %not, %b %or = select i1 %and1, i1 true, i1 %and2 ret i1 %or } define i1 @bools2_logical_commute2(i1 %a, i1 %b, i1 %c) { ; CHECK-LABEL: @bools2_logical_commute2( ; CHECK-NEXT: [[OR:%.*]] = select i1 [[C:%.*]], i1 [[A:%.*]], i1 [[B:%.*]] ; CHECK-NEXT: ret i1 [[OR]] ; %not = xor i1 %c, -1 %and1 = select i1 %c, i1 %a, i1 false %and2 = select i1 %b, i1 %not, i1 false %or = select i1 %and1, i1 true, i1 %and2 ret i1 %or } define i1 @bools2_logical_commute2_and1(i1 %a, i1 %b, i1 %c) { ; CHECK-LABEL: @bools2_logical_commute2_and1( ; CHECK-NEXT: [[OR:%.*]] = select i1 [[C:%.*]], i1 [[A:%.*]], i1 [[B:%.*]] ; CHECK-NEXT: ret i1 [[OR]] ; %not = xor i1 %c, -1 %and1 = and i1 %c, %a %and2 = select i1 %b, i1 %not, i1 false %or = select i1 %and1, i1 true, i1 %and2 ret i1 %or } define i1 @bools2_logical_commute2_and2(i1 %a, i1 %c) { ; CHECK-LABEL: @bools2_logical_commute2_and2( ; CHECK-NEXT: [[B:%.*]] = call i1 @gen1() ; CHECK-NEXT: [[OR:%.*]] = select i1 [[C:%.*]], i1 [[A:%.*]], i1 [[B]] ; CHECK-NEXT: ret i1 [[OR]] ; %b = call i1 @gen1() %not = xor i1 %c, -1 %and1 = select i1 %c, i1 %a, i1 false %and2 = and i1 %b, %not %or = select i1 %and1, i1 true, i1 %and2 ret i1 %or } define i1 @bools2_logical_commute2_and1_and2(i1 %a, i1 %c) { ; CHECK-LABEL: @bools2_logical_commute2_and1_and2( ; CHECK-NEXT: [[B:%.*]] = call i1 @gen1() ; CHECK-NEXT: [[OR:%.*]] = select i1 [[C:%.*]], i1 [[A:%.*]], i1 [[B]] ; CHECK-NEXT: ret i1 [[OR]] ; %b = call i1 @gen1() %not = xor i1 %c, -1 %and1 = and i1 %c, %a %and2 = and i1 %b, %not %or = select i1 %and1, i1 true, i1 %and2 ret i1 %or } ; Freeze 'c' to prevent poison from leaking. define i1 @bools2_logical_commute3(i1 %a, i1 %b, i1 %c) { ; CHECK-LABEL: @bools2_logical_commute3( ; CHECK-NEXT: [[TMP1:%.*]] = freeze i1 [[C:%.*]] ; CHECK-NEXT: [[OR:%.*]] = select i1 [[TMP1]], i1 [[A:%.*]], i1 [[B:%.*]] ; CHECK-NEXT: ret i1 [[OR]] ; %not = xor i1 %c, -1 %and1 = select i1 %a, i1 %c, i1 false %and2 = select i1 %b, i1 %not, i1 false %or = select i1 %and1, i1 true, i1 %and2 ret i1 %or } ; No freeze needed when 'c' is guaranteed not be poison. ; Intermediate logic folds may already reduce this. define i1 @bools2_logical_commute3_nopoison(i1 %a, i1 %b, i1 noundef %c) { ; CHECK-LABEL: @bools2_logical_commute3_nopoison( ; CHECK-NEXT: [[OR:%.*]] = select i1 [[C:%.*]], i1 [[A:%.*]], i1 [[B:%.*]] ; CHECK-NEXT: ret i1 [[OR]] ; %not = xor i1 %c, -1 %and1 = select i1 %a, i1 %c, i1 false %and2 = select i1 %b, i1 %not, i1 false %or = select i1 %and1, i1 true, i1 %and2 ret i1 %or } define i1 @bools2_logical_commute3_and1(i1 %a, i1 %b, i1 %c) { ; CHECK-LABEL: @bools2_logical_commute3_and1( ; CHECK-NEXT: [[OR:%.*]] = select i1 [[C:%.*]], i1 [[A:%.*]], i1 [[B:%.*]] ; CHECK-NEXT: ret i1 [[OR]] ; %not = xor i1 %c, -1 %and1 = and i1 %a, %c %and2 = select i1 %b, i1 %not, i1 false %or = select i1 %and1, i1 true, i1 %and2 ret i1 %or } define i1 @bools2_logical_commute3_and2(i1 %a, i1 %c) { ; CHECK-LABEL: @bools2_logical_commute3_and2( ; CHECK-NEXT: [[B:%.*]] = call i1 @gen1() ; CHECK-NEXT: [[OR:%.*]] = select i1 [[C:%.*]], i1 [[A:%.*]], i1 [[B]] ; CHECK-NEXT: ret i1 [[OR]] ; %b = call i1 @gen1() %not = xor i1 %c, -1 %and1 = select i1 %a, i1 %c, i1 false %and2 = and i1 %b, %not %or = select i1 %and1, i1 true, i1 %and2 ret i1 %or } define i1 @bools2_logical_commute3_and1_and2(i1 %a, i1 %c) { ; CHECK-LABEL: @bools2_logical_commute3_and1_and2( ; CHECK-NEXT: [[B:%.*]] = call i1 @gen1() ; CHECK-NEXT: [[OR:%.*]] = select i1 [[C:%.*]], i1 [[A:%.*]], i1 [[B]] ; CHECK-NEXT: ret i1 [[OR]] ; %b = call i1 @gen1() %not = xor i1 %c, -1 %and1 = and i1 %a, %c %and2 = and i1 %b, %not %or = select i1 %and1, i1 true, i1 %and2 ret i1 %or } define i1 @orn_and_cmp_1_logical(i37 %a, i37 %b, i1 %y) { ; CHECK-LABEL: @orn_and_cmp_1_logical( ; CHECK-NEXT: [[X_INV:%.*]] = icmp sle i37 [[A:%.*]], [[B:%.*]] ; CHECK-NEXT: [[OR:%.*]] = select i1 [[X_INV]], i1 true, i1 [[Y:%.*]] ; CHECK-NEXT: ret i1 [[OR]] ; %x = icmp sgt i37 %a, %b %x_inv = icmp sle i37 %a, %b %and = select i1 %y, i1 %x, i1 false %or = select i1 %x_inv, i1 true, i1 %and ret i1 %or } ; TODO: This should fold the same way as the next test. define i1 @orn_and_cmp_1_partial_logical(i37 %a, i37 %b, i1 %y) { ; CHECK-LABEL: @orn_and_cmp_1_partial_logical( ; CHECK-NEXT: [[X:%.*]] = icmp sgt i37 [[A:%.*]], [[B:%.*]] ; CHECK-NEXT: [[X_INV:%.*]] = icmp sle i37 [[A]], [[B]] ; CHECK-NEXT: [[AND:%.*]] = and i1 [[X]], [[Y:%.*]] ; CHECK-NEXT: [[OR:%.*]] = select i1 [[X_INV]], i1 true, i1 [[AND]] ; CHECK-NEXT: ret i1 [[OR]] ; %x = icmp sgt i37 %a, %b %x_inv = icmp sle i37 %a, %b %and = and i1 %x, %y %or = select i1 %x_inv, i1 true, i1 %and ret i1 %or } define i1 @orn_and_cmp_1_partial_logical_commute(i37 %a, i37 %b) { ; CHECK-LABEL: @orn_and_cmp_1_partial_logical_commute( ; CHECK-NEXT: [[Y:%.*]] = call i1 @gen1() ; CHECK-NEXT: [[X_INV:%.*]] = icmp sle i37 [[A:%.*]], [[B:%.*]] ; CHECK-NEXT: [[OR:%.*]] = select i1 [[X_INV]], i1 true, i1 [[Y]] ; CHECK-NEXT: ret i1 [[OR]] ; %y = call i1 @gen1() ; thwart complexity-based canonicalization %x = icmp sgt i37 %a, %b %x_inv = icmp sle i37 %a, %b %and = and i1 %y, %x %or = select i1 %x_inv, i1 true, i1 %and ret i1 %or } ; TODO: This does not require poison-safe (select) logical-or. define i1 @orn_and_cmp_2_logical(i16 %a, i16 %b, i1 %y) { ; CHECK-LABEL: @orn_and_cmp_2_logical( ; CHECK-NEXT: [[X_INV:%.*]] = icmp slt i16 [[A:%.*]], [[B:%.*]] ; CHECK-NEXT: [[OR:%.*]] = select i1 [[Y:%.*]], i1 true, i1 [[X_INV]] ; CHECK-NEXT: ret i1 [[OR]] ; %x = icmp sge i16 %a, %b %x_inv = icmp slt i16 %a, %b %and = select i1 %y, i1 %x, i1 false %or = select i1 %and, i1 true, i1 %x_inv ret i1 %or } define i1 @orn_and_cmp_2_partial_logical(i16 %a, i16 %b, i1 %y) { ; CHECK-LABEL: @orn_and_cmp_2_partial_logical( ; CHECK-NEXT: [[X_INV:%.*]] = icmp slt i16 [[A:%.*]], [[B:%.*]] ; CHECK-NEXT: [[OR:%.*]] = or i1 [[X_INV]], [[Y:%.*]] ; CHECK-NEXT: ret i1 [[OR]] ; %x = icmp sge i16 %a, %b %x_inv = icmp slt i16 %a, %b %and = and i1 %x, %y %or = select i1 %and, i1 true, i1 %x_inv ret i1 %or } define i1 @orn_and_cmp_2_partial_logical_commute(i16 %a, i16 %b) { ; CHECK-LABEL: @orn_and_cmp_2_partial_logical_commute( ; CHECK-NEXT: [[Y:%.*]] = call i1 @gen1() ; CHECK-NEXT: [[X_INV:%.*]] = icmp slt i16 [[A:%.*]], [[B:%.*]] ; CHECK-NEXT: [[OR:%.*]] = or i1 [[Y]], [[X_INV]] ; CHECK-NEXT: ret i1 [[OR]] ; %y = call i1 @gen1() ; thwart complexity-based canonicalization %x = icmp sge i16 %a, %b %x_inv = icmp slt i16 %a, %b %and = and i1 %y, %x %or = select i1 %and, i1 true, i1 %x_inv ret i1 %or } ; PR58552 - this would crash trying to replace non-matching types define <2 x i1> @not_logical_and(i1 %b, <2 x i32> %a) { ; CHECK-LABEL: @not_logical_and( ; CHECK-NEXT: [[COND:%.*]] = icmp ult <2 x i32> [[A:%.*]], ; CHECK-NEXT: [[IMPLIED:%.*]] = icmp ugt <2 x i32> [[A]], ; CHECK-NEXT: [[AND:%.*]] = select i1 [[B:%.*]], <2 x i1> [[COND]], <2 x i1> zeroinitializer ; CHECK-NEXT: [[OR:%.*]] = select <2 x i1> [[IMPLIED]], <2 x i1> , <2 x i1> [[AND]] ; CHECK-NEXT: ret <2 x i1> [[OR]] ; %cond = icmp ult <2 x i32> %a, %implied = icmp ugt <2 x i32> %a, %and = select i1 %b, <2 x i1> %cond, <2 x i1> zeroinitializer %or = select <2 x i1> %implied, <2 x i1> , <2 x i1> %and ret <2 x i1> %or } ; This could reduce, but we do not match select-of-vectors with scalar condition as logical-and. define <2 x i1> @not_logical_and2(i1 %b, <2 x i32> %a) { ; CHECK-LABEL: @not_logical_and2( ; CHECK-NEXT: [[COND:%.*]] = icmp ult <2 x i32> [[A:%.*]], ; CHECK-NEXT: [[IMPLIED:%.*]] = icmp ugt <2 x i32> [[A]], ; CHECK-NEXT: [[AND:%.*]] = select i1 [[B:%.*]], <2 x i1> [[COND]], <2 x i1> zeroinitializer ; CHECK-NEXT: [[OR:%.*]] = select <2 x i1> [[AND]], <2 x i1> , <2 x i1> [[IMPLIED]] ; CHECK-NEXT: ret <2 x i1> [[OR]] ; %cond = icmp ult <2 x i32> %a, %implied = icmp ugt <2 x i32> %a, %and = select i1 %b, <2 x i1> %cond, <2 x i1> zeroinitializer %or = select <2 x i1> %and, <2 x i1> , <2 x i1> %implied ret <2 x i1> %or }