; RUN: llc < %s -mtriple=s390x-linux-gnu -mcpu=z13 -verify-machineinstrs | FileCheck %s
;
; Regression test for a machine verifier complaint discovered with llvm-stress.
; Test that splitting of a 128 bit store does not result in use of undef phys reg.
define void @autogen_SD29355(i8*, i32*, i64*, i32, i64, i8) {
; CHECK: .text
BB:
%A4 = alloca double
%A3 = alloca float
%A2 = alloca i8
%A1 = alloca double
%A = alloca i64
%L = load i8, i8* %0
store i8 33, i8* %0
%E = extractelement <8 x i1> zeroinitializer, i32 2
br label %CF261
CF261: ; preds = %BB
%Shuff = shufflevector <2 x i16> zeroinitializer, <2 x i16> zeroinitializer, <2 x i32> <i32 undef, i32 3>
%I = insertelement <8 x i8> zeroinitializer, i8 69, i32 3
%B = udiv i8 -99, 33
%Tr = trunc i64 -1 to i32
%Sl = select i1 true, i64* %2, i64* %2
%L5 = load i64, i64* %Sl
store i64 %L5, i64* %2
%E6 = extractelement <4 x i16> zeroinitializer, i32 3
%Shuff7 = shufflevector <4 x i16> zeroinitializer, <4 x i16> zeroinitializer, <4 x i32> <i32 6, i32 0, i32 2, i32 4>
%I8 = insertelement <4 x i16> %Shuff7, i16 27357, i32 0
%B9 = xor <4 x i16> %Shuff7, %Shuff7
%Tr10 = trunc i64 %4 to i1
br label %CF239
CF239: ; preds = %CF261
%Sl11 = select i1 %Tr10, i16 -1, i16 27357
%L12 = load i8, i8* %0
store i64 %L5, i64* %A
%E13 = extractelement <8 x i1> zeroinitializer, i32 0
br label %CF238
CF238: ; preds = %CF238, %CF239
%Shuff14 = shufflevector <4 x i16> zeroinitializer, <4 x i16> zeroinitializer, <4 x i32> <i32 undef, i32 5, i32 7, i32 1>
%I15 = insertelement <4 x i16> %Shuff7, i16 -1, i32 1
%B16 = fsub double 0xDACBFCEAC1C99968, 0xDACBFCEAC1C99968
%Sl17 = select i1 %E, i64* %Sl, i64* %Sl
%Cmp = icmp ugt i16 %E6, 27357
br i1 %Cmp, label %CF238, label %CF251
CF251: ; preds = %CF238
%L18 = load i64, i64* %Sl17
store i64 0, i64* %Sl
%E19 = extractelement <4 x i16> zeroinitializer, i32 1
%Shuff20 = shufflevector <2 x i1> zeroinitializer, <2 x i1> zeroinitializer, <2 x i32> <i32 undef, i32 2>
%I21 = insertelement <2 x i1> zeroinitializer, i1 true, i32 0
%FC = fptoui float 0x3BE9BD7D80000000 to i1
br label %CF237
CF237: ; preds = %CF237, %CF271, %CF268, %CF251
%Sl22 = select i1 true, i16 -1, i16 %E6
%Cmp23 = icmp sgt i1 %E13, true
br i1 %Cmp23, label %CF237, label %CF256
CF256: ; preds = %CF256, %CF237
%L24 = load i64, i64* %A
store i64 %L5, i64* %Sl17
%E25 = extractelement <4 x i16> zeroinitializer, i32 3
%Shuff26 = shufflevector <4 x i16> %Shuff7, <4 x i16> zeroinitializer, <4 x i32> <i32 2, i32 4, i32 6, i32 undef>
%I27 = insertelement <4 x i16> zeroinitializer, i16 %Sl22, i32 0
%B28 = udiv i16 %Sl11, -1
%ZE = zext i1 true to i32
%Sl29 = select i1 true, i8 -99, i8 33
%Cmp30 = fcmp ord double 0xC275146F92573C4, 0x16FB351AF5F9C998
br i1 %Cmp30, label %CF256, label %CF271
CF271: ; preds = %CF256
%L31 = load i8, i8* %0
store i64 %L5, i64* %Sl
%E32 = extractelement <4 x i16> zeroinitializer, i32 2
%Shuff33 = shufflevector <1 x i32> zeroinitializer, <1 x i32> zeroinitializer, <1 x i32> <i32 1>
%I34 = insertelement <4 x i16> zeroinitializer, i16 %Sl11, i32 1
%PC = bitcast double* %A4 to i1*
%Sl35 = select i1 %FC, i32* %1, i32* %1
%Cmp36 = icmp ult <2 x i1> %Shuff20, %Shuff20
%L37 = load i64, i64* %Sl
store i64 %L5, i64* %Sl
%E38 = extractelement <2 x i32> zeroinitializer, i32 0
%Shuff39 = shufflevector <4 x i16> zeroinitializer, <4 x i16> %Shuff7, <4 x i32> <i32 undef, i32 1, i32 3, i32 undef>
%I40 = insertelement <4 x i16> %Shuff7, i16 %E19, i32 1
%ZE41 = zext i1 true to i16
%Sl42 = select i1 true, i1 true, i1 true
br i1 %Sl42, label %CF237, label %CF246
CF246: ; preds = %CF246, %CF271
%Cmp43 = icmp uge i64 %L37, %L18
br i1 %Cmp43, label %CF246, label %CF249
CF249: ; preds = %CF249, %CF263, %CF246
%L44 = load i64, i64* %A
store i64 %L5, i64* %Sl17
%E45 = extractelement <4 x i16> %Shuff14, i32 2
%Shuff46 = shufflevector <1 x i32> zeroinitializer, <1 x i32> zeroinitializer, <1 x i32> <i32 1>
%I47 = insertelement <4 x i16> %Shuff7, i16 %E6, i32 1
%Sl48 = select i1 %FC, double 0xDACBFCEAC1C99968, double 0xDACBFCEAC1C99968
%Cmp49 = fcmp ult double 0x9E8F85AE4F8D6C2C, 0x5A7FED9E637D2C1C
br i1 %Cmp49, label %CF249, label %CF263
CF263: ; preds = %CF249
%L50 = load i64, i64* %Sl
store i1 true, i1* %PC
%E51 = extractelement <2 x i1> zeroinitializer, i32 0
br i1 %E51, label %CF249, label %CF259
CF259: ; preds = %CF259, %CF263
%Shuff52 = shufflevector <4 x i64> zeroinitializer, <4 x i64> zeroinitializer, <4 x i32> <i32 undef, i32 5, i32 7, i32 1>
%I53 = insertelement <4 x i16> zeroinitializer, i16 -1, i32 1
%B54 = or <2 x i16> %Shuff, zeroinitializer
%Sl55 = select i1 %Sl42, i16 %Sl22, i16 27357
%Cmp56 = icmp uge i1 %Sl42, true
br i1 %Cmp56, label %CF259, label %CF268
CF268: ; preds = %CF259
%L57 = load i8, i8* %0
store i64 %L5, i64* %Sl
%E58 = extractelement <4 x i16> %Shuff14, i32 1
%Shuff59 = shufflevector <1 x i32> %Shuff33, <1 x i32> %Shuff33, <1 x i32> zeroinitializer
%I60 = insertelement <2 x i1> %Shuff20, i1 true, i32 0
%B61 = frem double 0x5A7FED9E637D2C1C, %B16
%FC62 = sitofp i8 -99 to float
%Sl63 = select i1 true, i16 %E19, i16 -1
%Cmp64 = icmp slt i16 %Sl63, 27357
br i1 %Cmp64, label %CF237, label %CF241
CF241: ; preds = %CF241, %CF265, %CF268
%L65 = load i1, i1* %PC
br i1 %L65, label %CF241, label %CF262
CF262: ; preds = %CF262, %CF270, %CF241
store i64 %L37, i64* %Sl
%E66 = extractelement <4 x i16> %Shuff14, i32 2
%Shuff67 = shufflevector <4 x i16> %Shuff26, <4 x i16> %Shuff7, <4 x i32> <i32 1, i32 3, i32 undef, i32 7>
%I68 = insertelement <2 x i32> zeroinitializer, i32 454413, i32 1
%B69 = sub <4 x i16> %I8, %Shuff7
%Tr70 = trunc i16 %E32 to i1
br i1 %Tr70, label %CF262, label %CF270
CF270: ; preds = %CF262
%Sl71 = select i1 %Sl42, <8 x i1> zeroinitializer, <8 x i1> zeroinitializer
%Cmp72 = icmp sge <2 x i16> %B54, zeroinitializer
%L73 = load i64, i64* %Sl
store i64 %L73, i64* %Sl
%E74 = extractelement <8 x i1> %Sl71, i32 5
br i1 %E74, label %CF262, label %CF265
CF265: ; preds = %CF270
%Shuff75 = shufflevector <2 x i32> %I68, <2 x i32> zeroinitializer, <2 x i32> <i32 undef, i32 2>
%I76 = insertelement <2 x i1> %Cmp72, i1 %Sl42, i32 0
%B77 = xor i16 27357, %B28
%PC78 = bitcast i1* %PC to i32*
%Sl79 = select i1 %Cmp64, <4 x i16> %Shuff14, <4 x i16> %Shuff7
%Cmp80 = icmp slt <2 x i1> zeroinitializer, %Shuff20
%L81 = load i1, i1* %PC
br i1 %L81, label %CF241, label %CF245
CF245: ; preds = %CF245, %CF265
store i1 true, i1* %PC
%E82 = extractelement <1 x i32> %Shuff33, i32 0
%Shuff83 = shufflevector <4 x i16> zeroinitializer, <4 x i16> %Shuff14, <4 x i32> <i32 2, i32 4, i32 6, i32 0>
%I84 = insertelement <2 x i1> %Shuff20, i1 %Sl42, i32 0
%FC85 = uitofp i1 %Cmp to float
%Sl86 = select i1 %Tr10, i16 -1, i16 %Sl63
%Cmp87 = icmp ugt <2 x i1> %I76, %I60
%L88 = load i32, i32* %PC78
store i8 33, i8* %0
%E89 = extractelement <2 x i32> zeroinitializer, i32 1
%Shuff90 = shufflevector <4 x i64> zeroinitializer, <4 x i64> %Shuff52, <4 x i32> <i32 0, i32 undef, i32 4, i32 6>
%I91 = insertelement <2 x i32> %Shuff75, i32 %ZE, i32 0
%B92 = add i64 -1, %L73
%Tr93 = trunc i64 0 to i16
%Sl94 = select i1 %FC, i64 %L37, i64 %L5
%Cmp95 = icmp sge i64 454853, %B92
br i1 %Cmp95, label %CF245, label %CF257
CF257: ; preds = %CF245
%L96 = load i64, i64* %Sl
store i1 true, i1* %PC
%E97 = extractelement <2 x i1> %Shuff20, i32 1
br label %CF
CF: ; preds = %CF, %CF258, %CF257
%Shuff98 = shufflevector <2 x i1> %Cmp80, <2 x i1> zeroinitializer, <2 x i32> <i32 undef, i32 0>
%I99 = insertelement <2 x i1> %Shuff98, i1 %Cmp30, i32 0
%B100 = sub <8 x i8> zeroinitializer, zeroinitializer
%FC101 = uitofp <2 x i1> %I99 to <2 x double>
%Sl102 = select i1 %FC, i16 %Sl63, i16 %E58
%Cmp103 = fcmp ord double %B16, 0xDACBFCEAC1C99968
br i1 %Cmp103, label %CF, label %CF240
CF240: ; preds = %CF240, %CF260, %CF
%L104 = load i32, i32* %1
store i1 true, i1* %PC
%E105 = extractelement <4 x i16> %I8, i32 1
%Shuff106 = shufflevector <4 x i16> %Shuff7, <4 x i16> %I34, <4 x i32> <i32 4, i32 undef, i32 undef, i32 2>
%I107 = insertelement <2 x i1> %Cmp87, i1 %FC, i32 0
%ZE108 = zext <4 x i16> %B69 to <4 x i64>
%Sl109 = select i1 %Cmp, i16 27357, i16 %Sl102
%Cmp110 = icmp sge <4 x i16> %B9, zeroinitializer
%L111 = load i64, i64* %Sl
store i8 %L57, i8* %0
%E112 = extractelement <2 x i1> %Shuff98, i32 0
br i1 %E112, label %CF240, label %CF254
CF254: ; preds = %CF254, %CF267, %CF264, %CF240
%Shuff113 = shufflevector <2 x i32> %I68, <2 x i32> zeroinitializer, <2 x i32><i32 undef, i32 0>
%I114 = insertelement <4 x i16> zeroinitializer, i16 27357, i32 3
%B115 = and i16 %Sl102, %Sl11
%FC116 = uitofp i16 %B115 to double
%Sl117 = select i1 %L81, i32* %1, i32* %1
%Cmp118 = icmp ne i64 %Sl94, %L50
br i1 %Cmp118, label %CF254, label %CF267
CF267: ; preds = %CF254
%L119 = load i64, i64* %Sl
store i32 %ZE, i32* %PC78
%E120 = extractelement <4 x i16> zeroinitializer, i32 1
%Shuff121 = shufflevector <1 x i32> %Shuff33, <1 x i32> %Shuff33, <1 x i32> zeroinitializer
%I122 = insertelement <1 x i32> %Shuff121, i32 %E82, i32 0
%B123 = mul <4 x i16> %I40, %I34
%Sl124 = select i1 %FC, <4 x i1> %Cmp110, <4 x i1> %Cmp110
%Cmp125 = icmp ne <4 x i64> %ZE108, zeroinitializer
%L126 = load i64, i64* %Sl
store i32 %ZE, i32* %Sl117
%E127 = extractelement <2 x i1> %Cmp87, i32 1
br i1 %E127, label %CF254, label %CF264
CF264: ; preds = %CF267
%Shuff128 = shufflevector <4 x i16> %Shuff83, <4 x i16> %I47, <4 x i32> <i32 undef, i32 2, i32 undef, i32 6>
%I129 = insertelement <4 x i16> %Shuff67, i16 %Sl109, i32 2
%B130 = add i32 %3, %E38
%FC131 = sitofp i32 %3 to float
%Sl132 = select i1 %Sl42, i64 %L24, i64 %L5
%Cmp133 = icmp eq <2 x i1> %I99, %Shuff20
%L134 = load i32, i32* %PC78
store i32 %L104, i32* %1
%E135 = extractelement <8 x i1> zeroinitializer, i32 4
br i1 %E135, label %CF254, label %CF260
CF260: ; preds = %CF264
%Shuff136 = shufflevector <1 x i32> %Shuff59, <1 x i32> %Shuff121, <1 x i32> undef
%I137 = insertelement <4 x i16> %Shuff67, i16 %Sl55, i32 3
%B138 = lshr <1 x i32> %Shuff33, %Shuff59
%Sl139 = select i1 %E135, i64 %L119, i64 %L126
%Cmp140 = icmp slt i8 -99, %Sl29
br i1 %Cmp140, label %CF240, label %CF247
CF247: ; preds = %CF247, %CF272, %CF260
%L141 = load i32, i32* %Sl117
store i8 %5, i8* %0
%E142 = extractelement <2 x i1> %Cmp36, i32 1
br i1 %E142, label %CF247, label %CF272
CF272: ; preds = %CF247
%Shuff143 = shufflevector <4 x i64> %Shuff90, <4 x i64> %Shuff52, <4 x i32> <i32 6, i32 undef, i32 2, i32 undef>
%I144 = insertelement <1 x i32> %Shuff121, i32 %L88, i32 0
%Tr145 = trunc i64 %Sl139 to i16
%Sl146 = select i1 %Cmp49, i32 %L134, i32 %L104
%L147 = load i32, i32* %PC78
store i32 %Tr, i32* %Sl117
%E148 = extractelement <4 x i16> %Shuff67, i32 3
%Shuff149 = shufflevector <4 x i16> zeroinitializer, <4 x i16> %Shuff67, <4 x i32> <i32 2, i32 4, i32 6, i32 0>
%I150 = insertelement <2 x i1> zeroinitializer, i1 %E127, i32 0
%B151 = fdiv double 0x16FB351AF5F9C998, 0xC275146F92573C4
%FC152 = uitofp <1 x i32> %I144 to <1 x double>
%Sl153 = select i1 %Cmp118, <1 x i32> %Shuff136, <1 x i32> %Shuff121
%Cmp154 = icmp ule i8 %5, %Sl29
br i1 %Cmp154, label %CF247, label %CF253
CF253: ; preds = %CF253, %CF269, %CF272
%L155 = load i32, i32* %Sl117
store i32 %L141, i32* %PC78
%E156 = extractelement <4 x i1> %Cmp125, i32 2
br i1 %E156, label %CF253, label %CF269
CF269: ; preds = %CF253
%Shuff157 = shufflevector <1 x i32> %Shuff46, <1 x i32> %Shuff121, <1 x i32> <i32 1>
%I158 = insertelement <4 x i16> %Shuff128, i16 %E66, i32 1
%B159 = shl i64 %L119, %L73
%Se = sext i16 %B77 to i32
%Sl160 = select i1 %Cmp56, i16 %Sl63, i16 %B77
%L161 = load i64, i64* %Sl
store i32 %B130, i32* %Sl117
%E162 = extractelement <1 x i32> %Shuff59, i32 0
%Shuff163 = shufflevector <4 x i16> %Shuff7, <4 x i16> %Shuff67, <4 x i32> <i32 5, i32 7, i32 1, i32 3>
%I164 = insertelement <4 x i16> %Shuff106, i16 27357, i32 3
%Se165 = sext <4 x i1> %Sl124 to <4 x i8>
%Sl166 = select i1 true, i1 %Cmp, i1 %Tr70
br i1 %Sl166, label %CF253, label %CF255
CF255: ; preds = %CF255, %CF266, %CF269
%Cmp167 = icmp sge i64 %4, %L24
br i1 %Cmp167, label %CF255, label %CF266
CF266: ; preds = %CF255
%L168 = load i8, i8* %0
store i32 %E38, i32* %PC78
%E169 = extractelement <2 x i16> zeroinitializer, i32 1
%Shuff170 = shufflevector <4 x i16> %Sl79, <4 x i16> %I137, <4 x i32> <i32 6, i32 0, i32 2, i32 4>
%I171 = insertelement <4 x i16> %Shuff163, i16 %ZE41, i32 0
%Tr172 = trunc i16 %Tr145 to i1
br i1 %Tr172, label %CF255, label %CF258
CF258: ; preds = %CF266
%Sl173 = select i1 true, <2 x i32> %I68, <2 x i32> %I91
%Cmp174 = icmp ugt <2 x i1> %Cmp72, %I150
%L175 = load i32, i32* %Sl117
store i32 %L104, i32* %Sl117
%E176 = extractelement <4 x i16> %Shuff67, i32 1
%Shuff177 = shufflevector <1 x i32> %Shuff121, <1 x i32> %Shuff33, <1 x i32> zeroinitializer
%I178 = insertelement <4 x i16> zeroinitializer, i16 27357, i32 0
%FC179 = sitofp <4 x i16> %I47 to <4 x float>
%Sl180 = select i1 %FC, i64 %L126, i64 %B92
%Cmp181 = fcmp ugt double %B61, %B16
br i1 %Cmp181, label %CF, label %CF236
CF236: ; preds = %CF236, %CF258
%L182 = load i8, i8* %0
store i32 %E38, i32* %Sl117
%E183 = extractelement <1 x i32> %Shuff121, i32 0
%Shuff184 = shufflevector <4 x i64> zeroinitializer, <4 x i64> %Shuff90, <4 x i32> <i32 7, i32 undef, i32 3, i32 5>
%I185 = insertelement <4 x i16> %Shuff106, i16 %Tr93, i32 1
%ZE186 = zext i32 %E162 to i64
%Sl187 = select i1 %Cmp95, <8 x i8> %B100, <8 x i8> %B100
%Cmp188 = icmp uge i16 %B115, %Sl11
br i1 %Cmp188, label %CF236, label %CF242
CF242: ; preds = %CF242, %CF250, %CF248, %CF236
%L189 = load i8, i8* %0
store i8 %Sl29, i8* %0
%E190 = extractelement <4 x i16> %B9, i32 3
%Shuff191 = shufflevector <4 x i16> %Shuff26, <4 x i16> %Shuff26, <4 x i32> <i32 6, i32 0, i32 2, i32 4>
%I192 = insertelement <1 x i32> %I122, i32 %3, i32 0
%B193 = udiv i8 %5, %L168
%Se194 = sext <8 x i1> %Sl71 to <8 x i32>
%Sl195 = select i1 %Cmp188, i8 %L182, i8 %L168
%Cmp196 = icmp slt i16 %B77, %Sl102
br i1 %Cmp196, label %CF242, label %CF250
CF250: ; preds = %CF242
%L197 = load i64, i64* %Sl
store i32 %ZE, i32* %Sl117
%E198 = extractelement <2 x i1> %Shuff20, i32 1
br i1 %E198, label %CF242, label %CF244
CF244: ; preds = %CF244, %CF250
%Shuff199 = shufflevector <1 x i32> %Shuff46, <1 x i32> %Shuff177, <1 x i32> zeroinitializer
%I200 = insertelement <4 x i16> %Shuff191, i16 %Sl86, i32 0
%B201 = mul i16 %ZE41, %E169
%Se202 = sext <4 x i16> %I171 to <4 x i64>
%Sl203 = select i1 %Sl166, i32 %E162, i32 %E82
%Cmp204 = icmp ule i16 %E32, %E120
br i1 %Cmp204, label %CF244, label %CF248
CF248: ; preds = %CF244
%L205 = load float, float* %A3
store i32 %Tr, i32* %PC78
%E206 = extractelement <2 x i1> %Shuff20, i32 1
br i1 %E206, label %CF242, label %CF243
CF243: ; preds = %CF243, %CF273, %CF248
%Shuff207 = shufflevector <8 x i1> zeroinitializer, <8 x i1> %Sl71, <8 x i32> <i32 4, i32 6, i32 8, i32 undef, i32 12, i32 undef, i32 undef, i32 2>
%I208 = insertelement <2 x i1> %Shuff20, i1 %E198, i32 0
%B209 = xor <4 x i16> %I129, %I34
%FC210 = uitofp <8 x i8> zeroinitializer to <8 x double>
%Sl211 = select i1 %E74, i16 %Tr93, i16 %E19
%Cmp212 = icmp ugt i32 %Se, %E38
br i1 %Cmp212, label %CF243, label %CF273
CF273: ; preds = %CF243
%L213 = load i32, i32* %PC78
store i8 %L168, i8* %0
%E214 = extractelement <2 x i32> %Shuff113, i32 1
%Shuff215 = shufflevector <4 x i16> %Shuff128, <4 x i16> %I137, <4 x i32> <i32 6, i32 0, i32 2, i32 4>
%I216 = insertelement <2 x i1> %Shuff20, i1 %Cmp30, i32 0
%B217 = sub <4 x i16> %Shuff83, %I185
%Tr218 = trunc <4 x i16> %B9 to <4 x i1>
%Sl219 = select i1 %Cmp154, i8 %B, i8 %5
%Cmp220 = icmp uge <4 x i64> %Shuff52, %Shuff52
%L221 = load i32, i32* %Sl117
store i8 %L168, i8* %0
%E222 = extractelement <4 x i16> %Shuff191, i32 0
%Shuff223 = shufflevector <4 x i16> %Shuff26, <4 x i16> %I34, <4 x i32> <i32 undef, i32 1, i32 3, i32 5>
%I224 = insertelement <4 x i16> %Shuff26, i16 %Tr145, i32 1
%FC225 = sitofp i1 %Cmp56 to float
%Sl226 = select i1 %E, i1 %Cmp154, i1 %Sl166
br i1 %Sl226, label %CF243, label %CF252
CF252: ; preds = %CF273
%Cmp227 = icmp ugt <4 x i64> %Shuff143, zeroinitializer
%L228 = load i32, i32* %Sl117
store i32 %Tr, i32* %PC78
%E229 = extractelement <4 x i16> %Shuff163, i32 2
%Shuff230 = shufflevector <1 x i32> %Shuff199, <1 x i32> zeroinitializer, <1 x i32> <i32 1>
%I231 = insertelement <4 x i16> %Shuff106, i16 %E32, i32 1
%B232 = srem i32 %Sl203, %Sl203
%FC233 = fptoui double 0x5A7FED9E637D2C1C to i32
%Sl234 = select i1 %Cmp103, i8 %B193, i8 %L168
%Cmp235 = icmp uge <2 x i16> zeroinitializer, zeroinitializer
store i32 %ZE, i32* %PC78
store i64 %L5, i64* %Sl
store i8 33, i8* %0
store i8 %L168, i8* %0
store i1 %Sl226, i1* %PC
ret void
}