; NOTE: Assertions have been autogenerated by utils/update_test_checks.py ; RUN: opt -S -passes=instcombine < %s | FileCheck %s declare void @use(i1) declare i1 @gen_i1() declare <2 x i1> @gen_v2i1() ; Should not be converted to "and", which has different poison semantics. define i1 @logical_and(i1 %a, i1 %b) { ; CHECK-LABEL: @logical_and( ; CHECK-NEXT: [[RES:%.*]] = select i1 [[A:%.*]], i1 [[B:%.*]], i1 false ; CHECK-NEXT: ret i1 [[RES]] ; %res = select i1 %a, i1 %b, i1 false ret i1 %res } ; Should not be converted to "or", which has different poison semantics. define i1 @logical_or(i1 %a, i1 %b) { ; CHECK-LABEL: @logical_or( ; CHECK-NEXT: [[RES:%.*]] = select i1 [[A:%.*]], i1 true, i1 [[B:%.*]] ; CHECK-NEXT: ret i1 [[RES]] ; %res = select i1 %a, i1 true, i1 %b ret i1 %res } ; Canonicalize to logical and form, even if that requires adding a "not". define i1 @logical_and_not(i1 %a, i1 %b) { ; CHECK-LABEL: @logical_and_not( ; CHECK-NEXT: [[NOT_A:%.*]] = xor i1 [[A:%.*]], true ; CHECK-NEXT: [[RES:%.*]] = select i1 [[NOT_A]], i1 [[B:%.*]], i1 false ; CHECK-NEXT: ret i1 [[RES]] ; %res = select i1 %a, i1 false, i1 %b ret i1 %res } ; Canonicalize to logical or form, even if that requires adding a "not". define i1 @logical_or_not(i1 %a, i1 %b) { ; CHECK-LABEL: @logical_or_not( ; CHECK-NEXT: [[NOT_A:%.*]] = xor i1 [[A:%.*]], true ; CHECK-NEXT: [[RES:%.*]] = select i1 [[NOT_A]], i1 true, i1 [[B:%.*]] ; CHECK-NEXT: ret i1 [[RES]] ; %res = select i1 %a, i1 %b, i1 true ret i1 %res } ; These are variants where condition or !condition is used to represent true ; or false in one of the select arms. It should be canonicalized to the ; constants. define i1 @logical_and_cond_reuse(i1 %a, i1 %b) { ; CHECK-LABEL: @logical_and_cond_reuse( ; CHECK-NEXT: [[RES:%.*]] = select i1 [[A:%.*]], i1 [[B:%.*]], i1 false ; CHECK-NEXT: ret i1 [[RES]] ; %res = select i1 %a, i1 %b, i1 %a ret i1 %res } define i1 @logical_or_cond_reuse(i1 %a, i1 %b) { ; CHECK-LABEL: @logical_or_cond_reuse( ; CHECK-NEXT: [[RES:%.*]] = select i1 [[A:%.*]], i1 true, i1 [[B:%.*]] ; CHECK-NEXT: ret i1 [[RES]] ; %res = select i1 %a, i1 %a, i1 %b ret i1 %res } define i1 @logical_and_not_cond_reuse(i1 %a, i1 %b) { ; CHECK-LABEL: @logical_and_not_cond_reuse( ; CHECK-NEXT: [[NOT_A:%.*]] = xor i1 [[A:%.*]], true ; CHECK-NEXT: [[RES:%.*]] = select i1 [[NOT_A]], i1 true, i1 [[B:%.*]] ; CHECK-NEXT: ret i1 [[RES]] ; %a.not = xor i1 %a, true %res = select i1 %a, i1 %b, i1 %a.not ret i1 %res } define i1 @logical_or_not_cond_reuse(i1 %a, i1 %b) { ; CHECK-LABEL: @logical_or_not_cond_reuse( ; CHECK-NEXT: [[NOT_A:%.*]] = xor i1 [[A:%.*]], true ; CHECK-NEXT: [[RES:%.*]] = select i1 [[NOT_A]], i1 [[B:%.*]], i1 false ; CHECK-NEXT: ret i1 [[RES]] ; %a.not = xor i1 %a, true %res = select i1 %a, i1 %a.not, i1 %b ret i1 %res } ; Safe to convert to or due to poison implication. define i1 @logical_or_implies(i32 %x) { ; CHECK-LABEL: @logical_or_implies( ; CHECK-NEXT: [[C1:%.*]] = icmp eq i32 [[X:%.*]], 0 ; CHECK-NEXT: [[C2:%.*]] = icmp eq i32 [[X]], 42 ; CHECK-NEXT: [[RES:%.*]] = or i1 [[C1]], [[C2]] ; CHECK-NEXT: ret i1 [[RES]] ; %c1 = icmp eq i32 %x, 0 %c2 = icmp eq i32 %x, 42 %res = select i1 %c1, i1 true, i1 %c2 ret i1 %res } ; Will fold after conversion to or. define i1 @logical_or_implies_folds(i32 %x) { ; CHECK-LABEL: @logical_or_implies_folds( ; CHECK-NEXT: ret i1 true ; %c1 = icmp slt i32 %x, 0 %c2 = icmp sge i32 %x, 0 %res = select i1 %c1, i1 true, i1 %c2 ret i1 %res } ; Safe to convert to and due to poison implication. define i1 @logical_and_implies(i32 %x) { ; CHECK-LABEL: @logical_and_implies( ; CHECK-NEXT: [[C1:%.*]] = icmp ne i32 [[X:%.*]], 0 ; CHECK-NEXT: [[C2:%.*]] = icmp ne i32 [[X]], 42 ; CHECK-NEXT: [[RES:%.*]] = and i1 [[C1]], [[C2]] ; CHECK-NEXT: ret i1 [[RES]] ; %c1 = icmp ne i32 %x, 0 %c2 = icmp ne i32 %x, 42 %res = select i1 %c1, i1 %c2, i1 false ret i1 %res } ; Will fold after conversion to and. define i1 @logical_and_implies_folds(i32 %x) { ; CHECK-LABEL: @logical_and_implies_folds( ; CHECK-NEXT: [[C1:%.*]] = icmp ugt i32 [[X:%.*]], 42 ; CHECK-NEXT: ret i1 [[C1]] ; %c1 = icmp ugt i32 %x, 42 %c2 = icmp ne i32 %x, 0 %res = select i1 %c1, i1 %c2, i1 false ret i1 %res } ; Noundef on condition has no effect. define i1 @logical_or_noundef_a(i1 noundef %a, i1 %b) { ; CHECK-LABEL: @logical_or_noundef_a( ; CHECK-NEXT: [[RES:%.*]] = select i1 [[A:%.*]], i1 true, i1 [[B:%.*]] ; CHECK-NEXT: ret i1 [[RES]] ; %res = select i1 %a, i1 true, i1 %b ret i1 %res } ; Noundef on false value allows conversion to or. define i1 @logical_or_noundef_b(i1 %a, i1 noundef %b) { ; CHECK-LABEL: @logical_or_noundef_b( ; CHECK-NEXT: [[RES:%.*]] = or i1 [[A:%.*]], [[B:%.*]] ; CHECK-NEXT: ret i1 [[RES]] ; %res = select i1 %a, i1 true, i1 %b ret i1 %res } ; Noundef on condition has no effect. define i1 @logical_and_noundef_a(i1 noundef %a, i1 %b) { ; CHECK-LABEL: @logical_and_noundef_a( ; CHECK-NEXT: [[RES:%.*]] = select i1 [[A:%.*]], i1 [[B:%.*]], i1 false ; CHECK-NEXT: ret i1 [[RES]] ; %res = select i1 %a, i1 %b, i1 false ret i1 %res } ; Noundef on false value allows conversion to and. define i1 @logical_and_noundef_b(i1 %a, i1 noundef %b) { ; CHECK-LABEL: @logical_and_noundef_b( ; CHECK-NEXT: [[RES:%.*]] = and i1 [[A:%.*]], [[B:%.*]] ; CHECK-NEXT: ret i1 [[RES]] ; %res = select i1 %a, i1 %b, i1 false ret i1 %res } ; (!x && !y) || x --> x || !y define i1 @not_not_true(i1 %x, i1 %y) { ; CHECK-LABEL: @not_not_true( ; CHECK-NEXT: [[NOTY:%.*]] = xor i1 [[Y:%.*]], true ; CHECK-NEXT: [[R:%.*]] = select i1 [[X:%.*]], i1 true, i1 [[NOTY]] ; CHECK-NEXT: ret i1 [[R]] ; %notx = xor i1 %x, true %noty = xor i1 %y, true %r = select i1 %notx, i1 %noty, i1 true ret i1 %r } ; (!x && !y) --> !(x || y) define i1 @not_not_false(i1 %x, i1 %y) { ; CHECK-LABEL: @not_not_false( ; CHECK-NEXT: [[TMP1:%.*]] = select i1 [[X:%.*]], i1 true, i1 [[Y:%.*]] ; CHECK-NEXT: [[R:%.*]] = xor i1 [[TMP1]], true ; CHECK-NEXT: ret i1 [[R]] ; %notx = xor i1 %x, true %noty = xor i1 %y, true %r = select i1 %notx, i1 %noty, i1 false ret i1 %r } ; (!x || !y) --> !(x && y) define i1 @not_true_not(i1 %x, i1 %y) { ; CHECK-LABEL: @not_true_not( ; CHECK-NEXT: [[TMP1:%.*]] = select i1 [[X:%.*]], i1 [[Y:%.*]], i1 false ; CHECK-NEXT: [[R:%.*]] = xor i1 [[TMP1]], true ; CHECK-NEXT: ret i1 [[R]] ; %notx = xor i1 %x, true %noty = xor i1 %y, true %r = select i1 %notx, i1 true, i1 %noty ret i1 %r } ; (!!x && !y) --> x && !y define i1 @not_false_not(i1 %x, i1 %y) { ; CHECK-LABEL: @not_false_not( ; CHECK-NEXT: [[NOTY:%.*]] = xor i1 [[Y:%.*]], true ; CHECK-NEXT: [[R:%.*]] = select i1 [[X:%.*]], i1 [[NOTY]], i1 false ; CHECK-NEXT: ret i1 [[R]] ; %notx = xor i1 %x, true %noty = xor i1 %y, true %r = select i1 %notx, i1 false, i1 %noty ret i1 %r } define i1 @not_not_true_use1(i1 %x, i1 %y) { ; CHECK-LABEL: @not_not_true_use1( ; CHECK-NEXT: [[NOTX:%.*]] = xor i1 [[X:%.*]], true ; CHECK-NEXT: call void @use(i1 [[NOTX]]) ; CHECK-NEXT: [[NOTY:%.*]] = xor i1 [[Y:%.*]], true ; CHECK-NEXT: [[R:%.*]] = select i1 [[X]], i1 true, i1 [[NOTY]] ; CHECK-NEXT: ret i1 [[R]] ; %notx = xor i1 %x, true call void @use(i1 %notx) %noty = xor i1 %y, true %r = select i1 %notx, i1 %noty, i1 true ret i1 %r } define i1 @not_not_false_use1(i1 %x, i1 %y) { ; CHECK-LABEL: @not_not_false_use1( ; CHECK-NEXT: [[NOTX:%.*]] = xor i1 [[X:%.*]], true ; CHECK-NEXT: call void @use(i1 [[NOTX]]) ; CHECK-NEXT: [[TMP1:%.*]] = select i1 [[X]], i1 true, i1 [[Y:%.*]] ; CHECK-NEXT: [[R:%.*]] = xor i1 [[TMP1]], true ; CHECK-NEXT: ret i1 [[R]] ; %notx = xor i1 %x, true call void @use(i1 %notx) %noty = xor i1 %y, true %r = select i1 %notx, i1 %noty, i1 false ret i1 %r } define i1 @not_true_not_use1(i1 %x, i1 %y) { ; CHECK-LABEL: @not_true_not_use1( ; CHECK-NEXT: [[NOTX:%.*]] = xor i1 [[X:%.*]], true ; CHECK-NEXT: call void @use(i1 [[NOTX]]) ; CHECK-NEXT: [[TMP1:%.*]] = select i1 [[X]], i1 [[Y:%.*]], i1 false ; CHECK-NEXT: [[R:%.*]] = xor i1 [[TMP1]], true ; CHECK-NEXT: ret i1 [[R]] ; %notx = xor i1 %x, true call void @use(i1 %notx) %noty = xor i1 %y, true %r = select i1 %notx, i1 true, i1 %noty ret i1 %r } define i1 @not_false_not_use1(i1 %x, i1 %y) { ; CHECK-LABEL: @not_false_not_use1( ; CHECK-NEXT: [[NOTX:%.*]] = xor i1 [[X:%.*]], true ; CHECK-NEXT: call void @use(i1 [[NOTX]]) ; CHECK-NEXT: [[NOTY:%.*]] = xor i1 [[Y:%.*]], true ; CHECK-NEXT: [[R:%.*]] = select i1 [[X]], i1 [[NOTY]], i1 false ; CHECK-NEXT: ret i1 [[R]] ; %notx = xor i1 %x, true call void @use(i1 %notx) %noty = xor i1 %y, true %r = select i1 %notx, i1 false, i1 %noty ret i1 %r } define i1 @not_not_true_use2(i1 %x, i1 %y) { ; CHECK-LABEL: @not_not_true_use2( ; CHECK-NEXT: [[NOTY:%.*]] = xor i1 [[Y:%.*]], true ; CHECK-NEXT: call void @use(i1 [[NOTY]]) ; CHECK-NEXT: [[R:%.*]] = select i1 [[X:%.*]], i1 true, i1 [[NOTY]] ; CHECK-NEXT: ret i1 [[R]] ; %notx = xor i1 %x, true %noty = xor i1 %y, true call void @use(i1 %noty) %r = select i1 %notx, i1 %noty, i1 true ret i1 %r } define i1 @not_not_false_use2(i1 %x, i1 %y) { ; CHECK-LABEL: @not_not_false_use2( ; CHECK-NEXT: [[NOTY:%.*]] = xor i1 [[Y:%.*]], true ; CHECK-NEXT: call void @use(i1 [[NOTY]]) ; CHECK-NEXT: [[TMP1:%.*]] = select i1 [[X:%.*]], i1 true, i1 [[Y]] ; CHECK-NEXT: [[R:%.*]] = xor i1 [[TMP1]], true ; CHECK-NEXT: ret i1 [[R]] ; %notx = xor i1 %x, true %noty = xor i1 %y, true call void @use(i1 %noty) %r = select i1 %notx, i1 %noty, i1 false ret i1 %r } define i1 @not_true_not_use2(i1 %x, i1 %y) { ; CHECK-LABEL: @not_true_not_use2( ; CHECK-NEXT: [[NOTY:%.*]] = xor i1 [[Y:%.*]], true ; CHECK-NEXT: call void @use(i1 [[NOTY]]) ; CHECK-NEXT: [[TMP1:%.*]] = select i1 [[X:%.*]], i1 [[Y]], i1 false ; CHECK-NEXT: [[R:%.*]] = xor i1 [[TMP1]], true ; CHECK-NEXT: ret i1 [[R]] ; %notx = xor i1 %x, true %noty = xor i1 %y, true call void @use(i1 %noty) %r = select i1 %notx, i1 true, i1 %noty ret i1 %r } define i1 @not_false_not_use2(i1 %x, i1 %y) { ; CHECK-LABEL: @not_false_not_use2( ; CHECK-NEXT: [[NOTY:%.*]] = xor i1 [[Y:%.*]], true ; CHECK-NEXT: call void @use(i1 [[NOTY]]) ; CHECK-NEXT: [[R:%.*]] = select i1 [[X:%.*]], i1 [[NOTY]], i1 false ; CHECK-NEXT: ret i1 [[R]] ; %notx = xor i1 %x, true %noty = xor i1 %y, true call void @use(i1 %noty) %r = select i1 %notx, i1 false, i1 %noty ret i1 %r } define i1 @not_not_true_use3(i1 %x, i1 %y) { ; CHECK-LABEL: @not_not_true_use3( ; CHECK-NEXT: [[NOTX:%.*]] = xor i1 [[X:%.*]], true ; CHECK-NEXT: call void @use(i1 [[NOTX]]) ; CHECK-NEXT: [[NOTY:%.*]] = xor i1 [[Y:%.*]], true ; CHECK-NEXT: call void @use(i1 [[NOTY]]) ; CHECK-NEXT: [[R:%.*]] = select i1 [[X]], i1 true, i1 [[NOTY]] ; CHECK-NEXT: ret i1 [[R]] ; %notx = xor i1 %x, true call void @use(i1 %notx) %noty = xor i1 %y, true call void @use(i1 %noty) %r = select i1 %notx, i1 %noty, i1 true ret i1 %r } define i1 @not_not_false_use3(i1 %x, i1 %y) { ; CHECK-LABEL: @not_not_false_use3( ; CHECK-NEXT: [[NOTX:%.*]] = xor i1 [[X:%.*]], true ; CHECK-NEXT: call void @use(i1 [[NOTX]]) ; CHECK-NEXT: [[NOTY:%.*]] = xor i1 [[Y:%.*]], true ; CHECK-NEXT: call void @use(i1 [[NOTY]]) ; CHECK-NEXT: [[R:%.*]] = select i1 [[NOTX]], i1 [[NOTY]], i1 false ; CHECK-NEXT: ret i1 [[R]] ; %notx = xor i1 %x, true call void @use(i1 %notx) %noty = xor i1 %y, true call void @use(i1 %noty) %r = select i1 %notx, i1 %noty, i1 false ret i1 %r } define i1 @not_true_not_use3(i1 %x, i1 %y) { ; CHECK-LABEL: @not_true_not_use3( ; CHECK-NEXT: [[NOTX:%.*]] = xor i1 [[X:%.*]], true ; CHECK-NEXT: call void @use(i1 [[NOTX]]) ; CHECK-NEXT: [[NOTY:%.*]] = xor i1 [[Y:%.*]], true ; CHECK-NEXT: call void @use(i1 [[NOTY]]) ; CHECK-NEXT: [[R:%.*]] = select i1 [[NOTX]], i1 true, i1 [[NOTY]] ; CHECK-NEXT: ret i1 [[R]] ; %notx = xor i1 %x, true call void @use(i1 %notx) %noty = xor i1 %y, true call void @use(i1 %noty) %r = select i1 %notx, i1 true, i1 %noty ret i1 %r } define i1 @not_false_not_use3(i1 %x, i1 %y) { ; CHECK-LABEL: @not_false_not_use3( ; CHECK-NEXT: [[NOTX:%.*]] = xor i1 [[X:%.*]], true ; CHECK-NEXT: call void @use(i1 [[NOTX]]) ; CHECK-NEXT: [[NOTY:%.*]] = xor i1 [[Y:%.*]], true ; CHECK-NEXT: call void @use(i1 [[NOTY]]) ; CHECK-NEXT: [[R:%.*]] = select i1 [[X]], i1 [[NOTY]], i1 false ; CHECK-NEXT: ret i1 [[R]] ; %notx = xor i1 %x, true call void @use(i1 %notx) %noty = xor i1 %y, true call void @use(i1 %noty) %r = select i1 %notx, i1 false, i1 %noty ret i1 %r } ; https://bugs.chromium.org/p/oss-fuzz/issues/detail?id=35399 @g1 = external global i16 @g2 = external global i16 define i1 @demorgan_select_infloop1(i1 %L) { ; CHECK-LABEL: @demorgan_select_infloop1( ; CHECK-NEXT: [[NOT_L:%.*]] = xor i1 [[L:%.*]], true ; CHECK-NEXT: [[C15:%.*]] = select i1 [[NOT_L]], i1 xor (i1 icmp eq (ptr getelementptr inbounds (i16, ptr @g2, i64 1), ptr @g1), i1 icmp eq (ptr getelementptr inbounds (i16, ptr @g2, i64 1), ptr @g1)), i1 false ; CHECK-NEXT: ret i1 [[C15]] ; %not.L = xor i1 %L, true %C15 = select i1 %not.L, i1 xor (i1 add (i1 icmp eq (ptr getelementptr inbounds (i16, ptr @g2, i64 1), ptr @g1), i1 icmp ne (ptr getelementptr inbounds (i16, ptr @g2, i64 1), ptr @g1)), i1 true), i1 false ret i1 %C15 } define i1 @demorgan_select_infloop2(i1 %L) { ; CHECK-LABEL: @demorgan_select_infloop2( ; CHECK-NEXT: [[NOT_L:%.*]] = xor i1 [[L:%.*]], true ; CHECK-NEXT: [[C15:%.*]] = select i1 [[NOT_L]], i1 true, i1 xor (i1 icmp eq (ptr getelementptr inbounds (i16, ptr @g2, i64 1), ptr @g1), i1 icmp eq (ptr getelementptr inbounds (i16, ptr @g2, i64 1), ptr @g1)) ; CHECK-NEXT: ret i1 [[C15]] ; %not.L = xor i1 %L, true %C15 = select i1 %not.L, i1 true, i1 xor (i1 add (i1 icmp eq (ptr getelementptr inbounds (i16, ptr @g2, i64 1), ptr @g1), i1 icmp ne (ptr getelementptr inbounds (i16, ptr @g2, i64 1), ptr @g1)), i1 true) ret i1 %C15 } define i1 @and_or1(i1 %a, i1 %b, i1 %c) { ; CHECK-LABEL: @and_or1( ; CHECK-NEXT: [[TMP1:%.*]] = select i1 [[C:%.*]], i1 true, i1 [[B:%.*]] ; CHECK-NEXT: [[R:%.*]] = select i1 [[A:%.*]], i1 [[TMP1]], i1 false ; CHECK-NEXT: ret i1 [[R]] ; %nota = xor i1 %a, true %cond = or i1 %nota, %c %r = select i1 %cond, i1 %a, i1 %b ret i1 %r } define i1 @and_or2(i1 %a, i1 %b, i1 %c) { ; CHECK-LABEL: @and_or2( ; CHECK-NEXT: [[TMP1:%.*]] = select i1 [[C:%.*]], i1 true, i1 [[A:%.*]] ; CHECK-NEXT: [[R:%.*]] = select i1 [[B:%.*]], i1 [[TMP1]], i1 false ; CHECK-NEXT: ret i1 [[R]] ; %notc = xor i1 %c, true %cond = and i1 %notc, %b %r = select i1 %cond, i1 %a, i1 %b ret i1 %r } define i1 @and_or1_commuted(i1 %a, i1 %b, i1 %c) { ; CHECK-LABEL: @and_or1_commuted( ; CHECK-NEXT: [[TMP1:%.*]] = select i1 [[C:%.*]], i1 true, i1 [[B:%.*]] ; CHECK-NEXT: [[R:%.*]] = select i1 [[A:%.*]], i1 [[TMP1]], i1 false ; CHECK-NEXT: ret i1 [[R]] ; %nota = xor i1 %a, true %cond = or i1 %c, %nota %r = select i1 %cond, i1 %a, i1 %b ret i1 %r } define i1 @and_or2_commuted(i1 %a, i1 %b, i1 %c) { ; CHECK-LABEL: @and_or2_commuted( ; CHECK-NEXT: [[TMP1:%.*]] = select i1 [[C:%.*]], i1 true, i1 [[A:%.*]] ; CHECK-NEXT: [[R:%.*]] = select i1 [[B:%.*]], i1 [[TMP1]], i1 false ; CHECK-NEXT: ret i1 [[R]] ; %notc = xor i1 %c, true %cond = and i1 %b, %notc %r = select i1 %cond, i1 %a, i1 %b ret i1 %r } define i1 @and_or1_multiuse(i1 %a, i1 %b, i1 %c) { ; CHECK-LABEL: @and_or1_multiuse( ; CHECK-NEXT: [[NOTA:%.*]] = xor i1 [[A:%.*]], true ; CHECK-NEXT: [[COND:%.*]] = or i1 [[NOTA]], [[C:%.*]] ; CHECK-NEXT: call void @use(i1 [[COND]]) ; CHECK-NEXT: [[R:%.*]] = select i1 [[COND]], i1 [[A]], i1 [[B:%.*]] ; CHECK-NEXT: ret i1 [[R]] ; %nota = xor i1 %a, true %cond = or i1 %nota, %c call void @use(i1 %cond) %r = select i1 %cond, i1 %a, i1 %b ret i1 %r } define i1 @and_or2_multiuse(i1 %a, i1 %b, i1 %c) { ; CHECK-LABEL: @and_or2_multiuse( ; CHECK-NEXT: [[NOTC:%.*]] = xor i1 [[C:%.*]], true ; CHECK-NEXT: [[COND:%.*]] = and i1 [[NOTC]], [[B:%.*]] ; CHECK-NEXT: call void @use(i1 [[COND]]) ; CHECK-NEXT: [[R:%.*]] = select i1 [[COND]], i1 [[A:%.*]], i1 [[B]] ; CHECK-NEXT: ret i1 [[R]] ; %notc = xor i1 %c, true %cond = and i1 %notc, %b call void @use(i1 %cond) %r = select i1 %cond, i1 %a, i1 %b ret i1 %r } define <2 x i1> @and_or1_vec(<2 x i1> %a, <2 x i1> %b) { ; CHECK-LABEL: @and_or1_vec( ; CHECK-NEXT: [[C:%.*]] = call <2 x i1> @gen_v2i1() ; CHECK-NEXT: [[TMP1:%.*]] = select <2 x i1> [[C]], <2 x i1> , <2 x i1> [[B:%.*]] ; CHECK-NEXT: [[R:%.*]] = select <2 x i1> [[A:%.*]], <2 x i1> [[TMP1]], <2 x i1> zeroinitializer ; CHECK-NEXT: ret <2 x i1> [[R]] ; %c = call <2 x i1> @gen_v2i1() %nota = xor <2 x i1> %a, %cond = or <2 x i1> %nota, %c %r = select <2 x i1> %cond, <2 x i1> %a, <2 x i1> %b ret <2 x i1> %r } define <2 x i1> @and_or2_vec(<2 x i1> %a, <2 x i1> %b) { ; CHECK-LABEL: @and_or2_vec( ; CHECK-NEXT: [[C:%.*]] = call <2 x i1> @gen_v2i1() ; CHECK-NEXT: [[TMP1:%.*]] = select <2 x i1> [[C]], <2 x i1> , <2 x i1> [[A:%.*]] ; CHECK-NEXT: [[R:%.*]] = select <2 x i1> [[B:%.*]], <2 x i1> [[TMP1]], <2 x i1> zeroinitializer ; CHECK-NEXT: ret <2 x i1> [[R]] ; %c = call <2 x i1> @gen_v2i1() %notc = xor <2 x i1> %c, %cond = and <2 x i1> %notc, %b %r = select <2 x i1> %cond, <2 x i1> %a, <2 x i1> %b ret <2 x i1> %r } define <2 x i1> @and_or1_vec_commuted(<2 x i1> %a, <2 x i1> %b) { ; CHECK-LABEL: @and_or1_vec_commuted( ; CHECK-NEXT: [[C:%.*]] = call <2 x i1> @gen_v2i1() ; CHECK-NEXT: [[TMP1:%.*]] = select <2 x i1> [[C]], <2 x i1> , <2 x i1> [[B:%.*]] ; CHECK-NEXT: [[R:%.*]] = select <2 x i1> [[A:%.*]], <2 x i1> [[TMP1]], <2 x i1> zeroinitializer ; CHECK-NEXT: ret <2 x i1> [[R]] ; %c = call <2 x i1> @gen_v2i1() %nota = xor <2 x i1> %a, %cond = or <2 x i1> %c, %nota %r = select <2 x i1> %cond, <2 x i1> %a, <2 x i1> %b ret <2 x i1> %r } define <2 x i1> @and_or2_vec_commuted(<2 x i1> %a, <2 x i1> %b) { ; CHECK-LABEL: @and_or2_vec_commuted( ; CHECK-NEXT: [[C:%.*]] = call <2 x i1> @gen_v2i1() ; CHECK-NEXT: [[TMP1:%.*]] = select <2 x i1> [[C]], <2 x i1> , <2 x i1> [[A:%.*]] ; CHECK-NEXT: [[R:%.*]] = select <2 x i1> [[B:%.*]], <2 x i1> [[TMP1]], <2 x i1> zeroinitializer ; CHECK-NEXT: ret <2 x i1> [[R]] ; %c = call <2 x i1> @gen_v2i1() %notc = xor <2 x i1> %c, %cond = and <2 x i1> %b, %notc %r = select <2 x i1> %cond, <2 x i1> %a, <2 x i1> %b ret <2 x i1> %r } define i1 @and_or1_wrong_operand(i1 %a, i1 %b, i1 %c, i1 %d) { ; CHECK-LABEL: @and_or1_wrong_operand( ; CHECK-NEXT: [[NOTA:%.*]] = xor i1 [[A:%.*]], true ; CHECK-NEXT: [[COND:%.*]] = or i1 [[NOTA]], [[C:%.*]] ; CHECK-NEXT: [[R:%.*]] = select i1 [[COND]], i1 [[D:%.*]], i1 [[B:%.*]] ; CHECK-NEXT: ret i1 [[R]] ; %nota = xor i1 %a, true %cond = or i1 %nota, %c %r = select i1 %cond, i1 %d, i1 %b ret i1 %r } define i1 @and_or2_wrong_operand(i1 %a, i1 %b, i1 %c, i1 %d) { ; CHECK-LABEL: @and_or2_wrong_operand( ; CHECK-NEXT: [[NOTC:%.*]] = xor i1 [[C:%.*]], true ; CHECK-NEXT: [[COND:%.*]] = and i1 [[NOTC]], [[B:%.*]] ; CHECK-NEXT: [[R:%.*]] = select i1 [[COND]], i1 [[A:%.*]], i1 [[D:%.*]] ; CHECK-NEXT: ret i1 [[R]] ; %notc = xor i1 %c, true %cond = and i1 %notc, %b %r = select i1 %cond, i1 %a, i1 %d ret i1 %r } define i1 @and_or3(i1 %a, i1 %b, i32 %x, i32 %y) { ; CHECK-LABEL: @and_or3( ; CHECK-NEXT: [[TMP1:%.*]] = icmp ne i32 [[X:%.*]], [[Y:%.*]] ; CHECK-NEXT: [[TMP2:%.*]] = select i1 [[TMP1]], i1 true, i1 [[A:%.*]] ; CHECK-NEXT: [[R:%.*]] = select i1 [[B:%.*]], i1 [[TMP2]], i1 false ; CHECK-NEXT: ret i1 [[R]] ; %c = icmp eq i32 %x, %y %cond = and i1 %b, %c %r = select i1 %cond, i1 %a, i1 %b ret i1 %r } define i1 @and_or3_commuted(i1 %a, i1 %b, i32 %x, i32 %y) { ; CHECK-LABEL: @and_or3_commuted( ; CHECK-NEXT: [[TMP1:%.*]] = icmp ne i32 [[X:%.*]], [[Y:%.*]] ; CHECK-NEXT: [[TMP2:%.*]] = select i1 [[TMP1]], i1 true, i1 [[A:%.*]] ; CHECK-NEXT: [[R:%.*]] = select i1 [[B:%.*]], i1 [[TMP2]], i1 false ; CHECK-NEXT: ret i1 [[R]] ; %c = icmp eq i32 %x, %y %cond = and i1 %c, %b %r = select i1 %cond, i1 %a, i1 %b ret i1 %r } define i1 @and_or3_not_free_to_invert(i1 %a, i1 %b, i1 %c) { ; CHECK-LABEL: @and_or3_not_free_to_invert( ; CHECK-NEXT: [[COND:%.*]] = and i1 [[B:%.*]], [[C:%.*]] ; CHECK-NEXT: [[R:%.*]] = select i1 [[COND]], i1 [[A:%.*]], i1 [[B]] ; CHECK-NEXT: ret i1 [[R]] ; %cond = and i1 %b, %c %r = select i1 %cond, i1 %a, i1 %b ret i1 %r } define i1 @and_or3_multiuse(i1 %a, i1 %b, i32 %x, i32 %y) { ; CHECK-LABEL: @and_or3_multiuse( ; CHECK-NEXT: [[C:%.*]] = icmp eq i32 [[X:%.*]], [[Y:%.*]] ; CHECK-NEXT: [[COND:%.*]] = and i1 [[C]], [[B:%.*]] ; CHECK-NEXT: call void @use(i1 [[COND]]) ; CHECK-NEXT: [[R:%.*]] = select i1 [[COND]], i1 [[A:%.*]], i1 [[B]] ; CHECK-NEXT: ret i1 [[R]] ; %c = icmp eq i32 %x, %y %cond = and i1 %b, %c call void @use(i1 %cond) %r = select i1 %cond, i1 %a, i1 %b ret i1 %r } define <2 x i1> @and_or3_vec(<2 x i1> %a, <2 x i1> %b, <2 x i32> %x, <2 x i32> %y) { ; CHECK-LABEL: @and_or3_vec( ; CHECK-NEXT: [[TMP1:%.*]] = icmp ne <2 x i32> [[X:%.*]], [[Y:%.*]] ; CHECK-NEXT: [[TMP2:%.*]] = select <2 x i1> [[TMP1]], <2 x i1> , <2 x i1> [[A:%.*]] ; CHECK-NEXT: [[R:%.*]] = select <2 x i1> [[B:%.*]], <2 x i1> [[TMP2]], <2 x i1> zeroinitializer ; CHECK-NEXT: ret <2 x i1> [[R]] ; %c = icmp eq <2 x i32> %x, %y %cond = and <2 x i1> %b, %c %r = select <2 x i1> %cond, <2 x i1> %a, <2 x i1> %b ret <2 x i1> %r } define <2 x i1> @and_or3_vec_commuted(<2 x i1> %a, <2 x i1> %b, <2 x i32> %x, <2 x i32> %y) { ; CHECK-LABEL: @and_or3_vec_commuted( ; CHECK-NEXT: [[TMP1:%.*]] = icmp ne <2 x i32> [[X:%.*]], [[Y:%.*]] ; CHECK-NEXT: [[TMP2:%.*]] = select <2 x i1> [[TMP1]], <2 x i1> , <2 x i1> [[A:%.*]] ; CHECK-NEXT: [[R:%.*]] = select <2 x i1> [[B:%.*]], <2 x i1> [[TMP2]], <2 x i1> zeroinitializer ; CHECK-NEXT: ret <2 x i1> [[R]] ; %c = icmp eq <2 x i32> %x, %y %cond = and <2 x i1> %c, %b %r = select <2 x i1> %cond, <2 x i1> %a, <2 x i1> %b ret <2 x i1> %r } define i1 @and_or3_wrong_operand(i1 %a, i1 %b, i32 %x, i32 %y, i1 %d) { ; CHECK-LABEL: @and_or3_wrong_operand( ; CHECK-NEXT: [[C:%.*]] = icmp eq i32 [[X:%.*]], [[Y:%.*]] ; CHECK-NEXT: [[COND:%.*]] = and i1 [[C]], [[B:%.*]] ; CHECK-NEXT: [[R:%.*]] = select i1 [[COND]], i1 [[A:%.*]], i1 [[D:%.*]] ; CHECK-NEXT: ret i1 [[R]] ; %c = icmp eq i32 %x, %y %cond = and i1 %b, %c %r = select i1 %cond, i1 %a, i1 %d ret i1 %r } define i1 @or_and1(i1 %a, i1 %b, i1 %c) { ; CHECK-LABEL: @or_and1( ; CHECK-NEXT: [[TMP1:%.*]] = select i1 [[C:%.*]], i1 [[A:%.*]], i1 false ; CHECK-NEXT: [[R:%.*]] = select i1 [[B:%.*]], i1 true, i1 [[TMP1]] ; CHECK-NEXT: ret i1 [[R]] ; %notb = xor i1 %b, true %cond = and i1 %notb, %c %r = select i1 %cond, i1 %a, i1 %b ret i1 %r } define i1 @or_and2(i1 %a, i1 %b, i1 %c) { ; CHECK-LABEL: @or_and2( ; CHECK-NEXT: [[TMP1:%.*]] = select i1 [[C:%.*]], i1 [[B:%.*]], i1 false ; CHECK-NEXT: [[R:%.*]] = select i1 [[A:%.*]], i1 true, i1 [[TMP1]] ; CHECK-NEXT: ret i1 [[R]] ; %notc = xor i1 %c, true %cond = or i1 %notc, %a %r = select i1 %cond, i1 %a, i1 %b ret i1 %r } define i1 @or_and1_commuted(i1 %a, i1 %b, i1 %c) { ; CHECK-LABEL: @or_and1_commuted( ; CHECK-NEXT: [[TMP1:%.*]] = select i1 [[C:%.*]], i1 [[A:%.*]], i1 false ; CHECK-NEXT: [[R:%.*]] = select i1 [[B:%.*]], i1 true, i1 [[TMP1]] ; CHECK-NEXT: ret i1 [[R]] ; %notb = xor i1 %b, true %cond = and i1 %c, %notb %r = select i1 %cond, i1 %a, i1 %b ret i1 %r } define i1 @or_and2_commuted(i1 %a, i1 %b, i1 %c) { ; CHECK-LABEL: @or_and2_commuted( ; CHECK-NEXT: [[TMP1:%.*]] = select i1 [[C:%.*]], i1 [[B:%.*]], i1 false ; CHECK-NEXT: [[R:%.*]] = select i1 [[A:%.*]], i1 true, i1 [[TMP1]] ; CHECK-NEXT: ret i1 [[R]] ; %notc = xor i1 %c, true %cond = or i1 %a, %notc %r = select i1 %cond, i1 %a, i1 %b ret i1 %r } define i1 @or_and1_multiuse(i1 %a, i1 %b, i1 %c) { ; CHECK-LABEL: @or_and1_multiuse( ; CHECK-NEXT: [[NOTB:%.*]] = xor i1 [[B:%.*]], true ; CHECK-NEXT: [[COND:%.*]] = and i1 [[NOTB]], [[C:%.*]] ; CHECK-NEXT: call void @use(i1 [[COND]]) ; CHECK-NEXT: [[R:%.*]] = select i1 [[COND]], i1 [[A:%.*]], i1 [[B]] ; CHECK-NEXT: ret i1 [[R]] ; %notb = xor i1 %b, true %cond = and i1 %notb, %c call void @use(i1 %cond) %r = select i1 %cond, i1 %a, i1 %b ret i1 %r } define i1 @or_and2_multiuse(i1 %a, i1 %b, i1 %c) { ; CHECK-LABEL: @or_and2_multiuse( ; CHECK-NEXT: [[NOTC:%.*]] = xor i1 [[C:%.*]], true ; CHECK-NEXT: [[COND:%.*]] = or i1 [[NOTC]], [[A:%.*]] ; CHECK-NEXT: call void @use(i1 [[COND]]) ; CHECK-NEXT: [[R:%.*]] = select i1 [[COND]], i1 [[A]], i1 [[B:%.*]] ; CHECK-NEXT: ret i1 [[R]] ; %notc = xor i1 %c, true %cond = or i1 %notc, %a call void @use(i1 %cond) %r = select i1 %cond, i1 %a, i1 %b ret i1 %r } define <2 x i1> @or_and1_vec(<2 x i1> %a, <2 x i1> %b) { ; CHECK-LABEL: @or_and1_vec( ; CHECK-NEXT: [[C:%.*]] = call <2 x i1> @gen_v2i1() ; CHECK-NEXT: [[TMP1:%.*]] = select <2 x i1> [[C]], <2 x i1> [[A:%.*]], <2 x i1> zeroinitializer ; CHECK-NEXT: [[R:%.*]] = select <2 x i1> [[B:%.*]], <2 x i1> , <2 x i1> [[TMP1]] ; CHECK-NEXT: ret <2 x i1> [[R]] ; %c = call <2 x i1> @gen_v2i1() %notb = xor <2 x i1> %b, %cond = and <2 x i1> %c, %notb %r = select <2 x i1> %cond, <2 x i1> %a, <2 x i1> %b ret <2 x i1> %r } define <2 x i1> @or_and2_vec(<2 x i1> %a, <2 x i1> %b) { ; CHECK-LABEL: @or_and2_vec( ; CHECK-NEXT: [[C:%.*]] = call <2 x i1> @gen_v2i1() ; CHECK-NEXT: [[TMP1:%.*]] = select <2 x i1> [[C]], <2 x i1> [[B:%.*]], <2 x i1> zeroinitializer ; CHECK-NEXT: [[R:%.*]] = select <2 x i1> [[A:%.*]], <2 x i1> , <2 x i1> [[TMP1]] ; CHECK-NEXT: ret <2 x i1> [[R]] ; %c = call <2 x i1> @gen_v2i1() %notc = xor <2 x i1> %c, %cond = or <2 x i1> %a, %notc %r = select <2 x i1> %cond, <2 x i1> %a, <2 x i1> %b ret <2 x i1> %r } define <2 x i1> @or_and1_vec_commuted(<2 x i1> %a, <2 x i1> %b) { ; CHECK-LABEL: @or_and1_vec_commuted( ; CHECK-NEXT: [[C:%.*]] = call <2 x i1> @gen_v2i1() ; CHECK-NEXT: [[TMP1:%.*]] = select <2 x i1> [[C]], <2 x i1> [[A:%.*]], <2 x i1> zeroinitializer ; CHECK-NEXT: [[R:%.*]] = select <2 x i1> [[B:%.*]], <2 x i1> , <2 x i1> [[TMP1]] ; CHECK-NEXT: ret <2 x i1> [[R]] ; %c = call <2 x i1> @gen_v2i1() %notb = xor <2 x i1> %b, %cond = and <2 x i1> %notb, %c %r = select <2 x i1> %cond, <2 x i1> %a, <2 x i1> %b ret <2 x i1> %r } define <2 x i1> @or_and2_vec_commuted(<2 x i1> %a, <2 x i1> %b) { ; CHECK-LABEL: @or_and2_vec_commuted( ; CHECK-NEXT: [[C:%.*]] = call <2 x i1> @gen_v2i1() ; CHECK-NEXT: [[TMP1:%.*]] = select <2 x i1> [[C]], <2 x i1> [[B:%.*]], <2 x i1> zeroinitializer ; CHECK-NEXT: [[R:%.*]] = select <2 x i1> [[A:%.*]], <2 x i1> , <2 x i1> [[TMP1]] ; CHECK-NEXT: ret <2 x i1> [[R]] ; %c = call <2 x i1> @gen_v2i1() %notc = xor <2 x i1> %c, %cond = or <2 x i1> %notc, %a %r = select <2 x i1> %cond, <2 x i1> %a, <2 x i1> %b ret <2 x i1> %r } define i1 @or_and1_wrong_operand(i1 %a, i1 %b, i1 %c, i1 %d) { ; CHECK-LABEL: @or_and1_wrong_operand( ; CHECK-NEXT: [[NOTB:%.*]] = xor i1 [[B:%.*]], true ; CHECK-NEXT: [[COND:%.*]] = and i1 [[NOTB]], [[C:%.*]] ; CHECK-NEXT: [[R:%.*]] = select i1 [[COND]], i1 [[A:%.*]], i1 [[D:%.*]] ; CHECK-NEXT: ret i1 [[R]] ; %notb = xor i1 %b, true %cond = and i1 %c, %notb %r = select i1 %cond, i1 %a, i1 %d ret i1 %r } define i1 @or_and2_wrong_operand(i1 %a, i1 %b, i1 %c, i1 %d) { ; CHECK-LABEL: @or_and2_wrong_operand( ; CHECK-NEXT: [[NOTC:%.*]] = xor i1 [[C:%.*]], true ; CHECK-NEXT: [[COND:%.*]] = or i1 [[NOTC]], [[A:%.*]] ; CHECK-NEXT: [[R:%.*]] = select i1 [[COND]], i1 [[D:%.*]], i1 [[B:%.*]] ; CHECK-NEXT: ret i1 [[R]] ; %notc = xor i1 %c, true %cond = or i1 %a, %notc %r = select i1 %cond, i1 %d, i1 %b ret i1 %r } define i1 @pr64558(i1 noundef %a, i1 noundef %b) { ; CHECK-LABEL: @pr64558( ; CHECK-NEXT: entry: ; CHECK-NEXT: [[COND_V:%.*]] = or i1 [[B:%.*]], [[A:%.*]] ; CHECK-NEXT: ret i1 [[COND_V]] ; entry: %lnot = xor i1 %b, true %and11 = and i1 %lnot, %a %cond.v = select i1 %and11, i1 %a, i1 %b ret i1 %cond.v } define i1 @or_and3(i1 %a, i1 %b, i32 %x, i32 %y) { ; CHECK-LABEL: @or_and3( ; CHECK-NEXT: [[TMP1:%.*]] = icmp ne i32 [[X:%.*]], [[Y:%.*]] ; CHECK-NEXT: [[TMP2:%.*]] = select i1 [[TMP1]], i1 [[B:%.*]], i1 false ; CHECK-NEXT: [[R:%.*]] = select i1 [[A:%.*]], i1 true, i1 [[TMP2]] ; CHECK-NEXT: ret i1 [[R]] ; %c = icmp eq i32 %x, %y %cond = or i1 %a, %c %r = select i1 %cond, i1 %a, i1 %b ret i1 %r } define i1 @or_and3_commuted(i1 %a, i1 %b, i32 %x, i32 %y) { ; CHECK-LABEL: @or_and3_commuted( ; CHECK-NEXT: [[TMP1:%.*]] = icmp ne i32 [[X:%.*]], [[Y:%.*]] ; CHECK-NEXT: [[TMP2:%.*]] = select i1 [[TMP1]], i1 [[B:%.*]], i1 false ; CHECK-NEXT: [[R:%.*]] = select i1 [[A:%.*]], i1 true, i1 [[TMP2]] ; CHECK-NEXT: ret i1 [[R]] ; %c = icmp eq i32 %x, %y %cond = or i1 %c, %a %r = select i1 %cond, i1 %a, i1 %b ret i1 %r } define i1 @or_and3_not_free_to_invert(i1 %a, i1 %b, i1 %c) { ; CHECK-LABEL: @or_and3_not_free_to_invert( ; CHECK-NEXT: [[COND:%.*]] = or i1 [[A:%.*]], [[C:%.*]] ; CHECK-NEXT: [[R:%.*]] = select i1 [[COND]], i1 [[A]], i1 [[B:%.*]] ; CHECK-NEXT: ret i1 [[R]] ; %cond = or i1 %a, %c %r = select i1 %cond, i1 %a, i1 %b ret i1 %r } define i1 @or_and3_multiuse(i1 %a, i1 %b, i32 %x, i32 %y) { ; CHECK-LABEL: @or_and3_multiuse( ; CHECK-NEXT: [[C:%.*]] = icmp eq i32 [[X:%.*]], [[Y:%.*]] ; CHECK-NEXT: [[COND:%.*]] = or i1 [[C]], [[A:%.*]] ; CHECK-NEXT: call void @use(i1 [[COND]]) ; CHECK-NEXT: [[R:%.*]] = select i1 [[COND]], i1 [[A]], i1 [[B:%.*]] ; CHECK-NEXT: ret i1 [[R]] ; %c = icmp eq i32 %x, %y %cond = or i1 %a, %c call void @use(i1 %cond) %r = select i1 %cond, i1 %a, i1 %b ret i1 %r } define <2 x i1> @or_and3_vec(<2 x i1> %a, <2 x i1> %b, <2 x i32> %x, <2 x i32> %y) { ; CHECK-LABEL: @or_and3_vec( ; CHECK-NEXT: [[TMP1:%.*]] = icmp ne <2 x i32> [[X:%.*]], [[Y:%.*]] ; CHECK-NEXT: [[TMP2:%.*]] = select <2 x i1> [[TMP1]], <2 x i1> [[B:%.*]], <2 x i1> zeroinitializer ; CHECK-NEXT: [[R:%.*]] = select <2 x i1> [[A:%.*]], <2 x i1> , <2 x i1> [[TMP2]] ; CHECK-NEXT: ret <2 x i1> [[R]] ; %c = icmp eq <2 x i32> %x, %y %cond = or <2 x i1> %a, %c %r = select <2 x i1> %cond, <2 x i1> %a, <2 x i1> %b ret <2 x i1> %r } define <2 x i1> @or_and3_vec_commuted(<2 x i1> %a, <2 x i1> %b, <2 x i32> %x, <2 x i32> %y) { ; CHECK-LABEL: @or_and3_vec_commuted( ; CHECK-NEXT: [[TMP1:%.*]] = icmp ne <2 x i32> [[X:%.*]], [[Y:%.*]] ; CHECK-NEXT: [[TMP2:%.*]] = select <2 x i1> [[TMP1]], <2 x i1> [[B:%.*]], <2 x i1> zeroinitializer ; CHECK-NEXT: [[R:%.*]] = select <2 x i1> [[A:%.*]], <2 x i1> , <2 x i1> [[TMP2]] ; CHECK-NEXT: ret <2 x i1> [[R]] ; %c = icmp eq <2 x i32> %x, %y %cond = or <2 x i1> %c, %a %r = select <2 x i1> %cond, <2 x i1> %a, <2 x i1> %b ret <2 x i1> %r } define i1 @or_and3_wrong_operand(i1 %a, i1 %b, i32 %x, i32 %y, i1 %d) { ; CHECK-LABEL: @or_and3_wrong_operand( ; CHECK-NEXT: [[C:%.*]] = icmp eq i32 [[X:%.*]], [[Y:%.*]] ; CHECK-NEXT: [[COND:%.*]] = or i1 [[C]], [[A:%.*]] ; CHECK-NEXT: [[R:%.*]] = select i1 [[COND]], i1 [[D:%.*]], i1 [[B:%.*]] ; CHECK-NEXT: ret i1 [[R]] ; %c = icmp eq i32 %x, %y %cond = or i1 %a, %c %r = select i1 %cond, i1 %d, i1 %b ret i1 %r } define i8 @test_or_umax(i8 %x, i8 %y, i1 %cond) { ; CHECK-LABEL: @test_or_umax( ; CHECK-NEXT: [[TMP1:%.*]] = call i8 @llvm.umax.i8(i8 [[X:%.*]], i8 [[Y:%.*]]) ; CHECK-NEXT: [[RET:%.*]] = select i1 [[COND:%.*]], i8 [[X]], i8 [[TMP1]] ; CHECK-NEXT: ret i8 [[RET]] ; %cmp = icmp ugt i8 %x, %y %or = select i1 %cond, i1 true, i1 %cmp %ret = select i1 %or, i8 %x, i8 %y ret i8 %ret } define i8 @test_or_umin(i8 %x, i8 %y, i1 %cond) { ; CHECK-LABEL: @test_or_umin( ; CHECK-NEXT: [[TMP1:%.*]] = call i8 @llvm.umin.i8(i8 [[X:%.*]], i8 [[Y:%.*]]) ; CHECK-NEXT: [[RET:%.*]] = select i1 [[COND:%.*]], i8 [[Y]], i8 [[TMP1]] ; CHECK-NEXT: ret i8 [[RET]] ; %cmp = icmp ugt i8 %x, %y %or = select i1 %cond, i1 true, i1 %cmp %ret = select i1 %or, i8 %y, i8 %x ret i8 %ret } define i8 @test_and_umax(i8 %x, i8 %y, i1 %cond) { ; CHECK-LABEL: @test_and_umax( ; CHECK-NEXT: [[TMP1:%.*]] = call i8 @llvm.umax.i8(i8 [[X:%.*]], i8 [[Y:%.*]]) ; CHECK-NEXT: [[RET:%.*]] = select i1 [[COND:%.*]], i8 [[TMP1]], i8 [[Y]] ; CHECK-NEXT: ret i8 [[RET]] ; %cmp = icmp ugt i8 %x, %y %and = select i1 %cond, i1 %cmp, i1 false %ret = select i1 %and, i8 %x, i8 %y ret i8 %ret } define i8 @test_and_umin(i8 %x, i8 %y, i1 %cond) { ; CHECK-LABEL: @test_and_umin( ; CHECK-NEXT: [[TMP1:%.*]] = call i8 @llvm.umin.i8(i8 [[X:%.*]], i8 [[Y:%.*]]) ; CHECK-NEXT: [[RET:%.*]] = select i1 [[COND:%.*]], i8 [[TMP1]], i8 [[X]] ; CHECK-NEXT: ret i8 [[RET]] ; %cmp = icmp ugt i8 %x, %y %and = select i1 %cond, i1 %cmp, i1 false %ret = select i1 %and, i8 %y, i8 %x ret i8 %ret } define i8 @test_or_umax_bitwise1(i8 %x, i8 %y, i8 %val) { ; CHECK-LABEL: @test_or_umax_bitwise1( ; CHECK-NEXT: [[COND:%.*]] = icmp eq i8 [[VAL:%.*]], 0 ; CHECK-NEXT: [[TMP1:%.*]] = call i8 @llvm.umax.i8(i8 [[X:%.*]], i8 [[Y:%.*]]) ; CHECK-NEXT: [[RET:%.*]] = select i1 [[COND]], i8 [[X]], i8 [[TMP1]] ; CHECK-NEXT: ret i8 [[RET]] ; %cond = icmp eq i8 %val, 0 ; thwart complexity-based ordering %cmp = icmp ugt i8 %x, %y %or = or i1 %cond, %cmp %ret = select i1 %or, i8 %x, i8 %y ret i8 %ret } define i8 @test_or_umax_bitwise2(i8 %x, i8 %y, i8 %val) { ; CHECK-LABEL: @test_or_umax_bitwise2( ; CHECK-NEXT: [[COND:%.*]] = icmp eq i8 [[VAL:%.*]], 0 ; CHECK-NEXT: [[TMP1:%.*]] = call i8 @llvm.umax.i8(i8 [[X:%.*]], i8 [[Y:%.*]]) ; CHECK-NEXT: [[RET:%.*]] = select i1 [[COND]], i8 [[X]], i8 [[TMP1]] ; CHECK-NEXT: ret i8 [[RET]] ; %cond = icmp eq i8 %val, 0 ; thwart complexity-based ordering %cmp = icmp ugt i8 %x, %y %or = or i1 %cmp, %cond %ret = select i1 %or, i8 %x, i8 %y ret i8 %ret } define i8 @test_and_umax_bitwise1(i8 %x, i8 %y, i8 %val) { ; CHECK-LABEL: @test_and_umax_bitwise1( ; CHECK-NEXT: [[COND:%.*]] = icmp eq i8 [[VAL:%.*]], 0 ; CHECK-NEXT: [[TMP1:%.*]] = call i8 @llvm.umax.i8(i8 [[X:%.*]], i8 [[Y:%.*]]) ; CHECK-NEXT: [[RET:%.*]] = select i1 [[COND]], i8 [[TMP1]], i8 [[Y]] ; CHECK-NEXT: ret i8 [[RET]] ; %cond = icmp eq i8 %val, 0 ; thwart complexity-based ordering %cmp = icmp ugt i8 %x, %y %and = and i1 %cond, %cmp %ret = select i1 %and, i8 %x, i8 %y ret i8 %ret } define i8 @test_and_umax_bitwise2(i8 %x, i8 %y, i8 %val) { ; CHECK-LABEL: @test_and_umax_bitwise2( ; CHECK-NEXT: [[COND:%.*]] = icmp eq i8 [[VAL:%.*]], 0 ; CHECK-NEXT: [[TMP1:%.*]] = call i8 @llvm.umax.i8(i8 [[X:%.*]], i8 [[Y:%.*]]) ; CHECK-NEXT: [[RET:%.*]] = select i1 [[COND]], i8 [[TMP1]], i8 [[Y]] ; CHECK-NEXT: ret i8 [[RET]] ; %cond = icmp eq i8 %val, 0 ; thwart complexity-based ordering %cmp = icmp ugt i8 %x, %y %and = and i1 %cmp, %cond %ret = select i1 %and, i8 %x, i8 %y ret i8 %ret } ; Other SPFs define i8 @test_or_smax(i8 %x, i8 %y, i1 %cond) { ; CHECK-LABEL: @test_or_smax( ; CHECK-NEXT: [[TMP1:%.*]] = call i8 @llvm.smax.i8(i8 [[X:%.*]], i8 [[Y:%.*]]) ; CHECK-NEXT: [[RET:%.*]] = select i1 [[COND:%.*]], i8 [[X]], i8 [[TMP1]] ; CHECK-NEXT: ret i8 [[RET]] ; %cmp = icmp sgt i8 %x, %y %or = select i1 %cond, i1 true, i1 %cmp %ret = select i1 %or, i8 %x, i8 %y ret i8 %ret } define i8 @test_or_abs(i8 %x, i1 %cond) { ; CHECK-LABEL: @test_or_abs( ; CHECK-NEXT: [[TMP1:%.*]] = call i8 @llvm.abs.i8(i8 [[X:%.*]], i1 true) ; CHECK-NEXT: [[RET:%.*]] = select i1 [[COND:%.*]], i8 [[X]], i8 [[TMP1]] ; CHECK-NEXT: ret i8 [[RET]] ; %cmp = icmp sgt i8 %x, -1 %neg = sub nsw i8 0, %x %or = select i1 %cond, i1 true, i1 %cmp %ret = select i1 %or, i8 %x, i8 %neg ret i8 %ret } ; TODO: fold SPF_FMAXNUM define float @test_or_fmaxnum(float %x, float %y, i1 %cond) { ; CHECK-LABEL: @test_or_fmaxnum( ; CHECK-NEXT: [[CMP:%.*]] = fcmp nnan ogt float [[X:%.*]], [[Y:%.*]] ; CHECK-NEXT: [[OR:%.*]] = select i1 [[COND:%.*]], i1 true, i1 [[CMP]] ; CHECK-NEXT: [[RET:%.*]] = select i1 [[OR]], float [[X]], float [[Y]] ; CHECK-NEXT: ret float [[RET]] ; %cmp = fcmp nnan ogt float %x, %y %or = select i1 %cond, i1 true, i1 %cmp %ret = select i1 %or, float %x, float %y ret float %ret } ; Negative tests define i8 @test_or_umax_invalid_logical(i8 %x, i8 %y, i1 %cond) { ; CHECK-LABEL: @test_or_umax_invalid_logical( ; CHECK-NEXT: [[CMP:%.*]] = icmp ugt i8 [[X:%.*]], [[Y:%.*]] ; CHECK-NEXT: [[OR:%.*]] = select i1 [[CMP]], i1 true, i1 [[COND:%.*]] ; CHECK-NEXT: [[RET:%.*]] = select i1 [[OR]], i8 [[X]], i8 [[Y]] ; CHECK-NEXT: ret i8 [[RET]] ; %cmp = icmp ugt i8 %x, %y %or = select i1 %cmp, i1 true, i1 %cond %ret = select i1 %or, i8 %x, i8 %y ret i8 %ret } define i8 @test_and_umax_invalid_logical(i8 %x, i8 %y, i1 %cond) { ; CHECK-LABEL: @test_and_umax_invalid_logical( ; CHECK-NEXT: [[CMP:%.*]] = icmp ugt i8 [[X:%.*]], [[Y:%.*]] ; CHECK-NEXT: [[AND:%.*]] = select i1 [[CMP]], i1 [[COND:%.*]], i1 false ; CHECK-NEXT: [[RET:%.*]] = select i1 [[AND]], i8 [[X]], i8 [[Y]] ; CHECK-NEXT: ret i8 [[RET]] ; %cmp = icmp ugt i8 %x, %y %and = select i1 %cmp, i1 %cond, i1 false %ret = select i1 %and, i8 %x, i8 %y ret i8 %ret } define i8 @test_or_umax_multiuse_cond(i8 %x, i8 %y, i1 %cond) { ; CHECK-LABEL: @test_or_umax_multiuse_cond( ; CHECK-NEXT: [[CMP:%.*]] = icmp ugt i8 [[X:%.*]], [[Y:%.*]] ; CHECK-NEXT: [[OR:%.*]] = select i1 [[COND:%.*]], i1 true, i1 [[CMP]] ; CHECK-NEXT: call void @use(i1 [[OR]]) ; CHECK-NEXT: [[RET:%.*]] = select i1 [[OR]], i8 [[X]], i8 [[Y]] ; CHECK-NEXT: ret i8 [[RET]] ; %cmp = icmp ugt i8 %x, %y %or = select i1 %cond, i1 true, i1 %cmp call void @use(i1 %or) %ret = select i1 %or, i8 %x, i8 %y ret i8 %ret } ; Tests from PR76203 define i8 @test_or_eq_a_b(i1 %other_cond, i8 %a, i8 %b) { ; CHECK-LABEL: @test_or_eq_a_b( ; CHECK-NEXT: [[SELECT:%.*]] = select i1 [[OTHER_COND:%.*]], i8 [[A:%.*]], i8 [[B:%.*]] ; CHECK-NEXT: ret i8 [[SELECT]] ; %cmp = icmp eq i8 %a, %b %cond = or i1 %other_cond, %cmp %select = select i1 %cond, i8 %a, i8 %b ret i8 %select } define i8 @test_and_ne_a_b(i1 %other_cond, i8 %a, i8 %b) { ; CHECK-LABEL: @test_and_ne_a_b( ; CHECK-NEXT: [[SELECT:%.*]] = select i1 [[OTHER_COND:%.*]], i8 [[A:%.*]], i8 [[B:%.*]] ; CHECK-NEXT: ret i8 [[SELECT]] ; %cmp = icmp ne i8 %a, %b %cond = and i1 %other_cond, %cmp %select = select i1 %cond, i8 %a, i8 %b ret i8 %select } define i8 @test_or_eq_a_b_commuted(i1 %other_cond, i8 %a, i8 %b) { ; CHECK-LABEL: @test_or_eq_a_b_commuted( ; CHECK-NEXT: [[SELECT:%.*]] = select i1 [[OTHER_COND:%.*]], i8 [[B:%.*]], i8 [[A:%.*]] ; CHECK-NEXT: ret i8 [[SELECT]] ; %cmp = icmp eq i8 %a, %b %cond = or i1 %other_cond, %cmp %select = select i1 %cond, i8 %b, i8 %a ret i8 %select } define i8 @test_and_ne_a_b_commuted(i1 %other_cond, i8 %a, i8 %b) { ; CHECK-LABEL: @test_and_ne_a_b_commuted( ; CHECK-NEXT: [[SELECT:%.*]] = select i1 [[OTHER_COND:%.*]], i8 [[B:%.*]], i8 [[A:%.*]] ; CHECK-NEXT: ret i8 [[SELECT]] ; %cmp = icmp ne i8 %a, %b %cond = and i1 %other_cond, %cmp %select = select i1 %cond, i8 %b, i8 %a ret i8 %select } define i8 @test_or_eq_different_operands(i8 %a, i8 %b, i8 %c) { ; CHECK-LABEL: @test_or_eq_different_operands( ; CHECK-NEXT: [[CMP:%.*]] = icmp eq i8 [[A:%.*]], [[C:%.*]] ; CHECK-NEXT: [[SELECT:%.*]] = select i1 [[CMP]], i8 [[A]], i8 [[B:%.*]] ; CHECK-NEXT: ret i8 [[SELECT]] ; %cmp = icmp eq i8 %a, %c %cmp1 = icmp eq i8 %b, %a %cond = or i1 %cmp, %cmp1 %select = select i1 %cond, i8 %a, i8 %b ret i8 %select } define i8 @test_or_eq_a_b_multi_use(i1 %other_cond, i8 %a, i8 %b) { ; CHECK-LABEL: @test_or_eq_a_b_multi_use( ; CHECK-NEXT: [[CMP:%.*]] = icmp eq i8 [[A:%.*]], [[B:%.*]] ; CHECK-NEXT: [[COND:%.*]] = or i1 [[CMP]], [[OTHER_COND:%.*]] ; CHECK-NEXT: call void @use(i1 [[CMP]]) ; CHECK-NEXT: call void @use(i1 [[COND]]) ; CHECK-NEXT: [[SELECT:%.*]] = select i1 [[OTHER_COND]], i8 [[A]], i8 [[B]] ; CHECK-NEXT: ret i8 [[SELECT]] ; %cmp = icmp eq i8 %a, %b %cond = or i1 %other_cond, %cmp call void @use(i1 %cmp) call void @use(i1 %cond) %select = select i1 %cond, i8 %a, i8 %b ret i8 %select } define <2 x i8> @test_or_eq_a_b_vec(<2 x i1> %other_cond, <2 x i8> %a, <2 x i8> %b) { ; CHECK-LABEL: @test_or_eq_a_b_vec( ; CHECK-NEXT: [[SELECT:%.*]] = select <2 x i1> [[OTHER_COND:%.*]], <2 x i8> [[A:%.*]], <2 x i8> [[B:%.*]] ; CHECK-NEXT: ret <2 x i8> [[SELECT]] ; %cmp = icmp eq <2 x i8> %a, %b %cond = or <2 x i1> %other_cond, %cmp %select = select <2 x i1> %cond, <2 x i8> %a, <2 x i8> %b ret <2 x i8> %select } define i8 @test_or_ne_a_b(i1 %other_cond, i8 %a, i8 %b) { ; CHECK-LABEL: @test_or_ne_a_b( ; CHECK-NEXT: ret i8 [[A:%.*]] ; %cmp = icmp ne i8 %a, %b %cond = or i1 %other_cond, %cmp %select = select i1 %cond, i8 %a, i8 %b ret i8 %select } define i8 @test_and_ne_different_operands_fail(i8 %a, i8 %b, i8 %c) { ; CHECK-LABEL: @test_and_ne_different_operands_fail( ; CHECK-NEXT: [[CMP:%.*]] = icmp ne i8 [[A:%.*]], [[C:%.*]] ; CHECK-NEXT: [[CMP1:%.*]] = icmp ne i8 [[B:%.*]], [[C]] ; CHECK-NEXT: [[COND:%.*]] = and i1 [[CMP]], [[CMP1]] ; CHECK-NEXT: [[SELECT:%.*]] = select i1 [[COND]], i8 [[B]], i8 [[A]] ; CHECK-NEXT: ret i8 [[SELECT]] ; %cmp = icmp ne i8 %a, %c %cmp1 = icmp ne i8 %b, %c %cond = and i1 %cmp, %cmp1 %select = select i1 %cond, i8 %b, i8 %a ret i8 %select } define i8 @test_logical_or_eq_a_b(i1 %other_cond, i8 %a, i8 %b) { ; CHECK-LABEL: @test_logical_or_eq_a_b( ; CHECK-NEXT: [[SELECT:%.*]] = select i1 [[OTHER_COND:%.*]], i8 [[A:%.*]], i8 [[B:%.*]] ; CHECK-NEXT: ret i8 [[SELECT]] ; %cmp = icmp eq i8 %a, %b %or.cond = select i1 %other_cond, i1 true, i1 %cmp %select = select i1 %or.cond, i8 %a, i8 %b ret i8 %select } define i8 @test_logical_commuted_or_eq_a_b(i1 %other_cond, i8 %a, i8 %b) { ; CHECK-LABEL: @test_logical_commuted_or_eq_a_b( ; CHECK-NEXT: [[CMP:%.*]] = icmp eq i8 [[A:%.*]], [[B:%.*]] ; CHECK-NEXT: [[OR_COND:%.*]] = select i1 [[CMP]], i1 true, i1 [[OTHER_COND:%.*]] ; CHECK-NEXT: [[SELECT:%.*]] = select i1 [[OR_COND]], i8 [[A]], i8 [[B]] ; CHECK-NEXT: ret i8 [[SELECT]] ; %cmp = icmp eq i8 %a, %b %or.cond = select i1 %cmp, i1 true, i1 %other_cond %select = select i1 %or.cond, i8 %a, i8 %b ret i8 %select } define i8 @test_logical_and_ne_a_b(i1 %other_cond, i8 %a, i8 %b) { ; CHECK-LABEL: @test_logical_and_ne_a_b( ; CHECK-NEXT: [[SELECT:%.*]] = select i1 [[OTHER_COND:%.*]], i8 [[A:%.*]], i8 [[B:%.*]] ; CHECK-NEXT: ret i8 [[SELECT]] ; %cmp = icmp ne i8 %a, %b %or.cond = select i1 %other_cond, i1 %cmp, i1 false %select = select i1 %or.cond, i8 %a, i8 %b ret i8 %select } define i8 @test_logical_commuted_and_ne_a_b(i1 %other_cond, i8 %a, i8 %b) { ; CHECK-LABEL: @test_logical_commuted_and_ne_a_b( ; CHECK-NEXT: [[CMP:%.*]] = icmp ne i8 [[A:%.*]], [[B:%.*]] ; CHECK-NEXT: [[OR_COND:%.*]] = select i1 [[CMP]], i1 [[OTHER_COND:%.*]], i1 false ; CHECK-NEXT: [[SELECT:%.*]] = select i1 [[OR_COND]], i8 [[A]], i8 [[B]] ; CHECK-NEXT: ret i8 [[SELECT]] ; %cmp = icmp ne i8 %a, %b %or.cond = select i1 %cmp, i1 %other_cond, i1 false %select = select i1 %or.cond, i8 %a, i8 %b ret i8 %select }