; NOTE: Assertions have been autogenerated by utils/update_test_checks.py ; RUN: opt < %s -passes=instcombine -S | FileCheck %s declare void @use64(i64) declare void @llvm.assume(i1) define i1 @mul_unkV_oddC_eq(i32 %v) { ; CHECK-LABEL: @mul_unkV_oddC_eq( ; CHECK-NEXT: [[CMP:%.*]] = icmp eq i32 [[V:%.*]], 0 ; CHECK-NEXT: ret i1 [[CMP]] ; %mul = mul i32 %v, 3 %cmp = icmp eq i32 %mul, 0 ret i1 %cmp } define i1 @mul_unkV_oddC_eq_nonzero(i32 %v) { ; CHECK-LABEL: @mul_unkV_oddC_eq_nonzero( ; CHECK-NEXT: [[MUL:%.*]] = mul i32 [[V:%.*]], 3 ; CHECK-NEXT: [[CMP:%.*]] = icmp eq i32 [[MUL]], 4 ; CHECK-NEXT: ret i1 [[CMP]] ; %mul = mul i32 %v, 3 %cmp = icmp eq i32 %mul, 4 ret i1 %cmp } define <2 x i1> @mul_unkV_oddC_ne_vec(<2 x i64> %v) { ; CHECK-LABEL: @mul_unkV_oddC_ne_vec( ; CHECK-NEXT: [[CMP:%.*]] = icmp ne <2 x i64> [[V:%.*]], zeroinitializer ; CHECK-NEXT: ret <2 x i1> [[CMP]] ; %mul = mul <2 x i64> %v, %cmp = icmp ne <2 x i64> %mul, ret <2 x i1> %cmp } define i1 @mul_assumeoddV_asumeoddV_eq(i16 %v, i16 %v2) { ; CHECK-LABEL: @mul_assumeoddV_asumeoddV_eq( ; CHECK-NEXT: [[LB:%.*]] = and i16 [[V:%.*]], 1 ; CHECK-NEXT: [[ODD:%.*]] = icmp ne i16 [[LB]], 0 ; CHECK-NEXT: call void @llvm.assume(i1 [[ODD]]) ; CHECK-NEXT: [[LB2:%.*]] = and i16 [[V2:%.*]], 1 ; CHECK-NEXT: [[ODD2:%.*]] = icmp ne i16 [[LB2]], 0 ; CHECK-NEXT: call void @llvm.assume(i1 [[ODD2]]) ; CHECK-NEXT: ret i1 true ; %lb = and i16 %v, 1 %odd = icmp ne i16 %lb, 0 call void @llvm.assume(i1 %odd) %lb2 = and i16 %v2, 1 %odd2 = icmp ne i16 %lb2, 0 call void @llvm.assume(i1 %odd2) %mul = mul i16 %v, %v2 %cmp = icmp ne i16 %mul, 0 ret i1 %cmp } define i1 @mul_unkV_oddC_sge(i8 %v) { ; CHECK-LABEL: @mul_unkV_oddC_sge( ; CHECK-NEXT: [[MUL:%.*]] = mul i8 [[V:%.*]], 3 ; CHECK-NEXT: [[CMP:%.*]] = icmp sgt i8 [[MUL]], -1 ; CHECK-NEXT: ret i1 [[CMP]] ; %mul = mul i8 %v, 3 %cmp = icmp sge i8 %mul, 0 ret i1 %cmp } define i1 @mul_reused_unkV_oddC_ne(i64 %v) { ; CHECK-LABEL: @mul_reused_unkV_oddC_ne( ; CHECK-NEXT: [[MUL:%.*]] = mul i64 [[V:%.*]], 3 ; CHECK-NEXT: [[CMP:%.*]] = icmp ne i64 [[V]], 0 ; CHECK-NEXT: call void @use64(i64 [[MUL]]) ; CHECK-NEXT: ret i1 [[CMP]] ; %mul = mul i64 %v, 3 %cmp = icmp ne i64 %mul, 0 call void @use64(i64 %mul) ret i1 %cmp } define i1 @mul_assumeoddV_unkV_eq(i16 %v, i16 %v2) { ; CHECK-LABEL: @mul_assumeoddV_unkV_eq( ; CHECK-NEXT: [[LB:%.*]] = and i16 [[V2:%.*]], 1 ; CHECK-NEXT: [[ODD:%.*]] = icmp ne i16 [[LB]], 0 ; CHECK-NEXT: call void @llvm.assume(i1 [[ODD]]) ; CHECK-NEXT: [[CMP:%.*]] = icmp eq i16 [[V:%.*]], 0 ; CHECK-NEXT: ret i1 [[CMP]] ; %lb = and i16 %v2, 1 %odd = icmp eq i16 %lb, 1 call void @llvm.assume(i1 %odd) %mul = mul i16 %v, %v2 %cmp = icmp eq i16 %mul, 0 ret i1 %cmp } define i1 @mul_reusedassumeoddV_unkV_ne(i64 %v, i64 %v2) { ; CHECK-LABEL: @mul_reusedassumeoddV_unkV_ne( ; CHECK-NEXT: [[LB:%.*]] = and i64 [[V:%.*]], 1 ; CHECK-NEXT: [[ODD:%.*]] = icmp ne i64 [[LB]], 0 ; CHECK-NEXT: call void @llvm.assume(i1 [[ODD]]) ; CHECK-NEXT: [[MUL:%.*]] = mul i64 [[V]], [[V2:%.*]] ; CHECK-NEXT: [[CMP:%.*]] = icmp ne i64 [[V2]], 0 ; CHECK-NEXT: call void @use64(i64 [[MUL]]) ; CHECK-NEXT: ret i1 [[CMP]] ; %lb = and i64 %v, 1 %odd = icmp ne i64 %lb, 0 call void @llvm.assume(i1 %odd) %mul = mul i64 %v, %v2 %cmp = icmp ne i64 %mul, 0 call void @use64(i64 %mul) ret i1 %cmp } define <2 x i1> @mul_setoddV_unkV_ne(<2 x i32> %v1, <2 x i32> %v2) { ; CHECK-LABEL: @mul_setoddV_unkV_ne( ; CHECK-NEXT: [[CMP:%.*]] = icmp ne <2 x i32> [[V2:%.*]], zeroinitializer ; CHECK-NEXT: ret <2 x i1> [[CMP]] ; %v = or <2 x i32> %v1, %mul = mul <2 x i32> %v, %v2 %cmp = icmp ne <2 x i32> %mul, ret <2 x i1> %cmp } define i1 @mul_broddV_unkV_eq(i16 %v, i16 %v2) { ; CHECK-LABEL: @mul_broddV_unkV_eq( ; CHECK-NEXT: [[LB:%.*]] = and i16 [[V2:%.*]], 1 ; CHECK-NEXT: [[ODD_NOT:%.*]] = icmp eq i16 [[LB]], 0 ; CHECK-NEXT: br i1 [[ODD_NOT]], label [[FALSE:%.*]], label [[TRUE:%.*]] ; CHECK: true: ; CHECK-NEXT: [[CMP:%.*]] = icmp eq i16 [[V:%.*]], 0 ; CHECK-NEXT: ret i1 [[CMP]] ; CHECK: false: ; CHECK-NEXT: call void @use64(i16 [[V]]) ; CHECK-NEXT: ret i1 false ; %lb = and i16 %v2, 1 %odd = icmp eq i16 %lb, 1 br i1 %odd, label %true, label %false true: %mul = mul i16 %v, %v2 %cmp = icmp eq i16 %mul, 0 ret i1 %cmp false: call void @use64(i16 %v) ret i1 false } define i1 @mul_unkV_evenC_ne(i64 %v) { ; CHECK-LABEL: @mul_unkV_evenC_ne( ; CHECK-NEXT: [[MUL_MASK:%.*]] = and i64 [[V:%.*]], 4611686018427387903 ; CHECK-NEXT: [[CMP:%.*]] = icmp ne i64 [[MUL_MASK]], 0 ; CHECK-NEXT: ret i1 [[CMP]] ; %mul = mul i64 %v, 4 %cmp = icmp ne i64 %mul, 0 ret i1 %cmp } define i1 @mul_assumenzV_asumenzV_eq(i64 %v, i64 %v2) { ; CHECK-LABEL: @mul_assumenzV_asumenzV_eq( ; CHECK-NEXT: [[NZ:%.*]] = icmp ne i64 [[V:%.*]], 0 ; CHECK-NEXT: call void @llvm.assume(i1 [[NZ]]) ; CHECK-NEXT: [[NZ2:%.*]] = icmp ne i64 [[V2:%.*]], 0 ; CHECK-NEXT: call void @llvm.assume(i1 [[NZ2]]) ; CHECK-NEXT: [[MUL:%.*]] = mul i64 [[V]], [[V2]] ; CHECK-NEXT: [[CMP:%.*]] = icmp eq i64 [[MUL]], 0 ; CHECK-NEXT: ret i1 [[CMP]] ; %nz = icmp ne i64 %v, 0 call void @llvm.assume(i1 %nz) %nz2 = icmp ne i64 %v2, 0 call void @llvm.assume(i1 %nz2) %mul = mul i64 %v, %v2 %cmp = icmp eq i64 %mul, 0 ret i1 %cmp } define i1 @mul_assumenzV_unkV_nsw_ne(i32 %v, i32 %v2) { ; CHECK-LABEL: @mul_assumenzV_unkV_nsw_ne( ; CHECK-NEXT: [[NZ:%.*]] = icmp ne i32 [[V:%.*]], 0 ; CHECK-NEXT: call void @llvm.assume(i1 [[NZ]]) ; CHECK-NEXT: [[CMP:%.*]] = icmp ne i32 [[V2:%.*]], 0 ; CHECK-NEXT: ret i1 [[CMP]] ; %nz = icmp ne i32 %v, 0 call void @llvm.assume(i1 %nz) %mul = mul nsw i32 %v, %v2 %cmp = icmp ne i32 %mul, 0 ret i1 %cmp } define i1 @mul_selectnzV_unkV_nsw_ne(i8 %v, i8 %v2) { ; CHECK-LABEL: @mul_selectnzV_unkV_nsw_ne( ; CHECK-NEXT: [[NZ:%.*]] = icmp ne i8 [[V:%.*]], 0 ; CHECK-NEXT: [[MUL:%.*]] = mul nsw i8 [[V]], [[V2:%.*]] ; CHECK-NEXT: [[CMP:%.*]] = icmp ne i8 [[MUL]], 0 ; CHECK-NEXT: [[R:%.*]] = select i1 [[NZ]], i1 [[CMP]], i1 false ; CHECK-NEXT: ret i1 [[R]] ; %nz = icmp ne i8 %v, 0 %mul = mul nsw i8 %v, %v2 %cmp = icmp ne i8 %mul, 0 %r = select i1 %nz, i1 %cmp, i1 false ret i1 %r } define <2 x i1> @mul_unkV_unkV_nsw_nuw_ne(<2 x i16> %v, <2 x i16> %v2) { ; CHECK-LABEL: @mul_unkV_unkV_nsw_nuw_ne( ; CHECK-NEXT: [[MUL:%.*]] = mul nuw nsw <2 x i16> [[V:%.*]], [[V2:%.*]] ; CHECK-NEXT: [[CMP:%.*]] = icmp ne <2 x i16> [[MUL]], zeroinitializer ; CHECK-NEXT: ret <2 x i1> [[CMP]] ; %mul = mul nuw nsw <2 x i16> %v, %v2 %cmp = icmp ne <2 x i16> %mul, ret <2 x i1> %cmp } define i1 @mul_setnzV_unkV_nuw_eq(i8 %v1, i8 %v2) { ; CHECK-LABEL: @mul_setnzV_unkV_nuw_eq( ; CHECK-NEXT: [[CMP:%.*]] = icmp eq i8 [[V2:%.*]], 0 ; CHECK-NEXT: ret i1 [[CMP]] ; %v = or i8 %v1, 2 %mul = mul nuw i8 %v, %v2 %cmp = icmp eq i8 %mul, 0 ret i1 %cmp } define i1 @mul_brnzV_unkV_nuw_eq(i64 %v, i64 %v2) { ; CHECK-LABEL: @mul_brnzV_unkV_nuw_eq( ; CHECK-NEXT: [[NZ_NOT:%.*]] = icmp eq i64 [[V2:%.*]], 0 ; CHECK-NEXT: br i1 [[NZ_NOT]], label [[FALSE:%.*]], label [[TRUE:%.*]] ; CHECK: true: ; CHECK-NEXT: [[CMP:%.*]] = icmp eq i64 [[V:%.*]], 0 ; CHECK-NEXT: ret i1 [[CMP]] ; CHECK: false: ; CHECK-NEXT: call void @use64(i64 [[V]]) ; CHECK-NEXT: ret i1 false ; %nz = icmp ne i64 %v2, 0 br i1 %nz, label %true, label %false true: %mul = mul nuw i64 %v, %v2 %cmp = icmp eq i64 %mul, 0 ret i1 %cmp false: call void @use64(i64 %v) ret i1 false } define i1 @test_icmp_sgt_and_negpow2_zero(i32 %add) { ; CHECK-LABEL: @test_icmp_sgt_and_negpow2_zero( ; CHECK-NEXT: [[CMP:%.*]] = icmp sgt i32 [[ADD:%.*]], 7 ; CHECK-NEXT: ret i1 [[CMP]] ; %and = and i32 %add, -8 %cmp = icmp sgt i32 %and, 0 ret i1 %cmp } define i1 @test_icmp_slt_and_negpow2_one(i32 %add) { ; CHECK-LABEL: @test_icmp_slt_and_negpow2_one( ; CHECK-NEXT: [[CMP:%.*]] = icmp slt i32 [[ADD:%.*]], 8 ; CHECK-NEXT: ret i1 [[CMP]] ; %and = and i32 %add, -8 %cmp = icmp slt i32 %and, 1 ret i1 %cmp } define i1 @test_icmp_sgt_and_negpow2_nonzero(i32 %add) { ; CHECK-LABEL: @test_icmp_sgt_and_negpow2_nonzero( ; CHECK-NEXT: [[AND:%.*]] = and i32 [[ADD:%.*]], -8 ; CHECK-NEXT: [[CMP:%.*]] = icmp sgt i32 [[AND]], -2 ; CHECK-NEXT: ret i1 [[CMP]] ; %and = and i32 %add, -8 %cmp = icmp sgt i32 %and, -2 ret i1 %cmp } define i1 @test_icmp_sgt_and_nonnegpow2_zero(i32 %add) { ; CHECK-LABEL: @test_icmp_sgt_and_nonnegpow2_zero( ; CHECK-NEXT: [[AND:%.*]] = and i32 [[ADD:%.*]], 8 ; CHECK-NEXT: [[CMP:%.*]] = icmp ne i32 [[AND]], 0 ; CHECK-NEXT: ret i1 [[CMP]] ; %and = and i32 %add, 8 %cmp = icmp sgt i32 %and, 0 ret i1 %cmp } define i1 @test_icmp_ult_and_negpow2_one(i32 %add) { ; CHECK-LABEL: @test_icmp_ult_and_negpow2_one( ; CHECK-NEXT: [[CMP:%.*]] = icmp ult i32 [[ADD:%.*]], 8 ; CHECK-NEXT: ret i1 [[CMP]] ; %and = and i32 %add, -8 %cmp = icmp ult i32 %and, 1 ret i1 %cmp } define i1 @test_imply_dom_condition(i32 %add) { ; CHECK-LABEL: @test_imply_dom_condition( ; CHECK-NEXT: [[CMP:%.*]] = icmp sgt i32 [[ADD:%.*]], 7 ; CHECK-NEXT: tail call void @llvm.assume(i1 [[CMP]]) ; CHECK-NEXT: ret i1 false ; %and = and i32 %add, -8 %cmp = icmp sgt i32 %and, 0 tail call void @llvm.assume(i1 %cmp) %min.iters.check = icmp ult i32 %and, 8 ret i1 %min.iters.check } define i1 @test_icmp_slt_and_negpow2_c(i32 %add) { ; CHECK-LABEL: @test_icmp_slt_and_negpow2_c( ; CHECK-NEXT: [[CMP:%.*]] = icmp slt i32 [[ADD:%.*]], 32 ; CHECK-NEXT: ret i1 [[CMP]] ; %and = and i32 %add, -32 %cmp = icmp slt i32 %and, 16 ret i1 %cmp } define i1 @test_icmp_slt_and_negpow2_invalid_c(i32 %add) { ; CHECK-LABEL: @test_icmp_slt_and_negpow2_invalid_c( ; CHECK-NEXT: [[AND:%.*]] = and i32 [[ADD:%.*]], -32 ; CHECK-NEXT: [[CMP:%.*]] = icmp slt i32 [[AND]], 48 ; CHECK-NEXT: ret i1 [[CMP]] ; %and = and i32 %add, -32 %cmp = icmp slt i32 %and, 48 ret i1 %cmp } define i1 @test_icmp_sgt_and_negpow2_c(i32 %add) { ; CHECK-LABEL: @test_icmp_sgt_and_negpow2_c( ; CHECK-NEXT: [[CMP:%.*]] = icmp sgt i32 [[ADD:%.*]], 31 ; CHECK-NEXT: ret i1 [[CMP]] ; %and = and i32 %add, -32 %cmp = icmp sgt i32 %and, 16 ret i1 %cmp } define i1 @test_icmp_sgt_and_negpow2_invalid_c(i32 %add) { ; CHECK-LABEL: @test_icmp_sgt_and_negpow2_invalid_c( ; CHECK-NEXT: [[AND:%.*]] = and i32 [[ADD:%.*]], -32 ; CHECK-NEXT: [[CMP:%.*]] = icmp sgt i32 [[AND]], 48 ; CHECK-NEXT: ret i1 [[CMP]] ; %and = and i32 %add, -32 %cmp = icmp sgt i32 %and, 48 ret i1 %cmp } define i1 @icmp_eq_or_of_selects_with_constant(i1 %a, i1 %b) { ; CHECK-LABEL: @icmp_eq_or_of_selects_with_constant( ; CHECK-NEXT: [[CMP:%.*]] = and i1 [[A:%.*]], [[B:%.*]] ; CHECK-NEXT: ret i1 [[CMP]] ; %s1 = select i1 %a, i64 65536, i64 0 %s2 = select i1 %b, i64 256, i64 0 %or = or i64 %s1, %s2 %cmp = icmp eq i64 %or, 65792 ret i1 %cmp } define i1 @icmp_slt_and_of_selects_with_constant(i1 %a, i1 %b) { ; CHECK-LABEL: @icmp_slt_and_of_selects_with_constant( ; CHECK-NEXT: [[TMP1:%.*]] = or i1 [[A:%.*]], [[B:%.*]] ; CHECK-NEXT: [[CMP:%.*]] = xor i1 [[TMP1]], true ; CHECK-NEXT: ret i1 [[CMP]] ; %s1 = select i1 %a, i8 1, i8 254 %s2 = select i1 %b, i8 1, i8 253 %and = and i8 %s1, %s2 %cmp = icmp slt i8 %and, 254 ret i1 %cmp } define i1 @icmp_sge_add_of_selects_with_constant(i1 %a, i1 %b) { ; CHECK-LABEL: @icmp_sge_add_of_selects_with_constant( ; CHECK-NEXT: ret i1 true ; %s1 = select i1 %a, i8 248, i8 7 %s2 = select i1 %b, i8 16, i8 0 %add = add i8 %s1, %s2 %cmp = icmp sge i8 %add, 247 ret i1 %cmp } define i1 @icmp_eq_or_of_selects_with_constant_multiuse_foldable(i1 %a, i1 %b) { ; CHECK-LABEL: @icmp_eq_or_of_selects_with_constant_multiuse_foldable( ; CHECK-NEXT: [[S1:%.*]] = select i1 [[A:%.*]], i64 65536, i64 0 ; CHECK-NEXT: [[S2:%.*]] = select i1 [[B:%.*]], i64 256, i64 0 ; CHECK-NEXT: [[OR:%.*]] = or disjoint i64 [[S1]], [[S2]] ; CHECK-NEXT: call void @use64(i64 [[OR]]) ; CHECK-NEXT: [[CMP:%.*]] = and i1 [[A]], [[B]] ; CHECK-NEXT: ret i1 [[CMP]] ; %s1 = select i1 %a, i64 65536, i64 0 %s2 = select i1 %b, i64 256, i64 0 %or = or i64 %s1, %s2 call void @use64(i64 %or) %cmp = icmp eq i64 %or, 65792 ret i1 %cmp } define <2 x i1> @icmp_eq_or_of_selects_with_constant_vectorized(<2 x i1> %a, <2 x i1> %b) { ; CHECK-LABEL: @icmp_eq_or_of_selects_with_constant_vectorized( ; CHECK-NEXT: [[CMP:%.*]] = and <2 x i1> [[A:%.*]], [[B:%.*]] ; CHECK-NEXT: ret <2 x i1> [[CMP]] ; %s1 = select <2 x i1> %a, <2 x i64> , <2 x i64> zeroinitializer %s2 = select <2 x i1> %b, <2 x i64> , <2 x i64> zeroinitializer %or = or <2 x i64> %s1, %s2 %cmp = icmp eq <2 x i64> %or, ret <2 x i1> %cmp } define <2 x i1> @icmp_eq_or_of_selects_with_scalar_cond_constant_vectorized(i1 %a, i1 %b) { ; CHECK-LABEL: @icmp_eq_or_of_selects_with_scalar_cond_constant_vectorized( ; CHECK-NEXT: [[S1:%.*]] = select i1 [[A:%.*]], <2 x i64> splat (i64 65536), <2 x i64> zeroinitializer ; CHECK-NEXT: [[S2:%.*]] = select i1 [[B:%.*]], <2 x i64> splat (i64 256), <2 x i64> zeroinitializer ; CHECK-NEXT: [[OR:%.*]] = or disjoint <2 x i64> [[S1]], [[S2]] ; CHECK-NEXT: [[CMP:%.*]] = icmp eq <2 x i64> [[OR]], splat (i64 65792) ; CHECK-NEXT: ret <2 x i1> [[CMP]] ; %s1 = select i1 %a, <2 x i64> , <2 x i64> zeroinitializer %s2 = select i1 %b, <2 x i64> , <2 x i64> zeroinitializer %or = or <2 x i64> %s1, %s2 %cmp = icmp eq <2 x i64> %or, ret <2 x i1> %cmp } ; Negative tests. define i1 @icmp_eq_or_of_selects_with_constant_and_arg(i1 %a, i1 %b, i64 %arg) { ; CHECK-LABEL: @icmp_eq_or_of_selects_with_constant_and_arg( ; CHECK-NEXT: [[S1:%.*]] = select i1 [[A:%.*]], i64 65536, i64 [[ARG:%.*]] ; CHECK-NEXT: [[S2:%.*]] = select i1 [[B:%.*]], i64 256, i64 0 ; CHECK-NEXT: [[OR:%.*]] = or i64 [[S1]], [[S2]] ; CHECK-NEXT: [[CMP:%.*]] = icmp eq i64 [[OR]], 65792 ; CHECK-NEXT: ret i1 [[CMP]] ; %s1 = select i1 %a, i64 65536, i64 %arg %s2 = select i1 %b, i64 256, i64 0 %or = or i64 %s1, %s2 %cmp = icmp eq i64 %or, 65792 ret i1 %cmp } define i1 @icmp_eq_or_of_selects_with_constant_multiuse(i1 %a, i1 %b) { ; CHECK-LABEL: @icmp_eq_or_of_selects_with_constant_multiuse( ; CHECK-NEXT: [[S1:%.*]] = select i1 [[A:%.*]], i64 0, i64 65536 ; CHECK-NEXT: [[S2:%.*]] = select i1 [[B:%.*]], i64 0, i64 256 ; CHECK-NEXT: [[OR:%.*]] = or disjoint i64 [[S1]], [[S2]] ; CHECK-NEXT: call void @use64(i64 [[OR]]) ; CHECK-NEXT: [[CMP:%.*]] = icmp eq i64 [[OR]], 65792 ; CHECK-NEXT: ret i1 [[CMP]] ; %s1 = select i1 %a, i64 0, i64 65536 %s2 = select i1 %b, i64 0, i64 256 %or = or i64 %s1, %s2 call void @use64(i64 %or) %cmp = icmp eq i64 %or, 65792 ret i1 %cmp } define <2 x i1> @icmp_eq_or_of_selects_with_constant_vectorized_nonsplat(<2 x i1> %a, <2 x i1> %b) { ; CHECK-LABEL: @icmp_eq_or_of_selects_with_constant_vectorized_nonsplat( ; CHECK-NEXT: [[S1:%.*]] = select <2 x i1> [[A:%.*]], <2 x i64> splat (i64 65536), <2 x i64> zeroinitializer ; CHECK-NEXT: [[S2:%.*]] = select <2 x i1> [[B:%.*]], <2 x i64> , <2 x i64> zeroinitializer ; CHECK-NEXT: [[OR:%.*]] = or disjoint <2 x i64> [[S1]], [[S2]] ; CHECK-NEXT: [[CMP:%.*]] = icmp eq <2 x i64> [[OR]], ; CHECK-NEXT: ret <2 x i1> [[CMP]] ; %s1 = select <2 x i1> %a, <2 x i64> , <2 x i64> zeroinitializer %s2 = select <2 x i1> %b, <2 x i64> , <2 x i64> zeroinitializer %or = or <2 x i64> %s1, %s2 %cmp = icmp eq <2 x i64> %or, ret <2 x i1> %cmp }