<table border="1" cellspacing="0" cellpadding="8">
    <tr>
        <th>Issue</th>
        <td>
            <a href=https://github.com/llvm/llvm-project/issues/151699>151699</a>
        </td>
    </tr>

    <tr>
        <th>Summary</th>
        <td>
            Assertion `FromCIValue.isZero() && "Cannot convert the instruction."' failed.
        </td>
    </tr>

    <tr>
      <th>Labels</th>
      <td>
            new issue
      </td>
    </tr>

    <tr>
      <th>Assignees</th>
      <td>
      </td>
    </tr>

    <tr>
      <th>Reporter</th>
      <td>
          TatyanaDoubts
      </td>
    </tr>
</table>

<pre>
    To reproduce run opt with the test below using -passes=slp-vectorizer:
```
; ModuleID = './reduced.ll'
source_filename = "./reduced.ll"
target datalayout = "e-m:e-p270:32:32-p271:32:32-p272:64:64-i64:64-i128:128-f80:128-n8:16:32:64-S128-ni:1-p2:32:8:8:32-ni:2"
target triple = "x86_64-unknown-linux-gnu"

define i64 @wombat() gc "statepoint-example" {
bb:
  %shl = shl i32 0, 1
  %mul = mul i32 0, 0
 %add = add i32 0, 0
  %add1 = add i32 0, 1
  br label %bb2

bb2: ; preds = %bb
  %phi = phi i32 [ %shl, %bb ]
  %phi3 = phi i32 [ %add, %bb ]
  %phi4 = phi i32 [ %mul, %bb ]
 %phi5 = phi i32 [ %add1, %bb ]
  ret i64 0
}
```
Reproducer: https://godbolt.org/z/xzPc7WYTj

Stack dump:
```
0.      Program arguments: /opt/compiler-explorer/clang-assertions-trunk/bin/opt -o /app/output.s -S -passes=slp-vectorizer <source>
1.      Running pass "function(slp-vectorizer)" on module "<source>"
2.      Running pass "slp-vectorizer" on function "wombat"
 #0 0x00000000056729e8 llvm::sys::PrintStackTrace(llvm::raw_ostream&, int) (/opt/compiler-explorer/clang-assertions-trunk/bin/opt+0x56729e8)
 #1 0x000000000566f894 SignalHandler(int, siginfo_t*, void*) Signals.cpp:0:0
 #2 0x000072a8c4e42520 (/lib/x86_64-linux-gnu/libc.so.6+0x42520)
 #3 0x000072a8c4e969fc pthread_kill (/lib/x86_64-linux-gnu/libc.so.6+0x969fc)
 #4 0x000072a8c4e42476 gsignal (/lib/x86_64-linux-gnu/libc.so.6+0x42476)
 #5 0x000072a8c4e287f3 abort (/lib/x86_64-linux-gnu/libc.so.6+0x287f3)
 #6 0x000072a8c4e2871b (/lib/x86_64-linux-gnu/libc.so.6+0x2871b)
 #7 0x000072a8c4e39e96 (/lib/x86_64-linux-gnu/libc.so.6+0x39e96)
 #8 0x00000000034cc914 (anonymous namespace)::convertTo(llvm::Instruction*, (anonymous namespace)::InstructionsState const&) SLPVectorizer.cpp:0:0
 #9 0x000000000350e89c (anonymous namespace)::InstructionsCompatibilityAnalysis::buildOperands((anonymous namespace)::InstructionsState const&, llvm::ArrayRef<llvm::Value*>) SLPVectorizer.cpp:0:0
#10 0x000000000357aaed llvm::slpvectorizer::BoUpSLP::buildTreeRec(llvm::ArrayRef<llvm::Value*>, unsigned int, llvm::slpvectorizer::BoUpSLP::EdgeInfo const&, unsigned int) (/opt/compiler-explorer/clang-assertions-trunk/bin/opt+0x357aaed)
#11 0x000000000357d1d1 llvm::slpvectorizer::BoUpSLP::buildTreeRec(llvm::ArrayRef<llvm::Value*>, unsigned int, llvm::slpvectorizer::BoUpSLP::EdgeInfo const&, unsigned int) (/opt/compiler-explorer/clang-assertions-trunk/bin/opt+0x357d1d1)
#12 0x00000000035ab251 llvm::SLPVectorizerPass::tryToVectorizeList(llvm::ArrayRef<llvm::Value*>, llvm::slpvectorizer::BoUpSLP&, bool) (/opt/compiler-explorer/clang-assertions-trunk/bin/opt+0x35ab251)
#13 0x00000000035b0066 bool tryToVectorizeSequence<llvm::Value>(llvm::SmallVectorImpl<llvm::Value*>&, llvm::function_ref<bool (llvm::Value*, llvm::Value*)>, llvm::function_ref<bool (llvm::Value*, llvm::Value*)>, llvm::function_ref<bool (llvm::ArrayRef<llvm::Value*>, bool)>, bool, llvm::slpvectorizer::BoUpSLP&) (.constprop.0) SLPVectorizer.cpp:0:0
#14 0x00000000035b17cf llvm::SLPVectorizerPass::vectorizeChainsInBlock(llvm::BasicBlock*, llvm::slpvectorizer::BoUpSLP&) (/opt/compiler-explorer/clang-assertions-trunk/bin/opt+0x35b17cf)
#15 0x00000000035b97f6 llvm::SLPVectorizerPass::runImpl(llvm::Function&, llvm::ScalarEvolution*, llvm::TargetTransformInfo*, llvm::TargetLibraryInfo*, llvm::AAResults*, llvm::LoopInfo*, llvm::DominatorTree*, llvm::AssumptionCache*, llvm::DemandedBits*, llvm::OptimizationRemarkEmitter*) (.part.0) SLPVectorizer.cpp:0:0
#16 0x00000000035ba2db llvm::SLPVectorizerPass::run(llvm::Function&, llvm::AnalysisManager<llvm::Function>&) (/opt/compiler-explorer/clang-assertions-trunk/bin/opt+0x35ba2db)
#17 0x0000000002db658e llvm::detail::PassModel<llvm::Function, llvm::SLPVectorizerPass, llvm::AnalysisManager<llvm::Function>>::run(llvm::Function&, llvm::AnalysisManager<llvm::Function>&) (/opt/compiler-explorer/clang-assertions-trunk/bin/opt+0x2db658e)
#18 0x0000000005464431 llvm::PassManager<llvm::Function, llvm::AnalysisManager<llvm::Function>>::run(llvm::Function&, llvm::AnalysisManager<llvm::Function>&) (/opt/compiler-explorer/clang-assertions-trunk/bin/opt+0x5464431)
#19 0x0000000000ebde5e llvm::detail::PassModel<llvm::Function, llvm::PassManager<llvm::Function, llvm::AnalysisManager<llvm::Function>>, llvm::AnalysisManager<llvm::Function>>::run(llvm::Function&, llvm::AnalysisManager<llvm::Function>&) (/opt/compiler-explorer/clang-assertions-trunk/bin/opt+0xebde5e)
#20 0x0000000005464904 llvm::ModuleToFunctionPassAdaptor::run(llvm::Module&, llvm::AnalysisManager<llvm::Module>&) (/opt/compiler-explorer/clang-assertions-trunk/bin/opt+0x5464904)
#21 0x00000000009637fe llvm::detail::PassModel<llvm::Module, llvm::ModuleToFunctionPassAdaptor, llvm::AnalysisManager<llvm::Module>>::run(llvm::Module&, llvm::AnalysisManager<llvm::Module>&) (/opt/compiler-explorer/clang-assertions-trunk/bin/opt+0x9637fe)
#22 0x00000000054624d1 llvm::PassManager<llvm::Module, llvm::AnalysisManager<llvm::Module>>::run(llvm::Module&, llvm::AnalysisManager<llvm::Module>&) (/opt/compiler-explorer/clang-assertions-trunk/bin/opt+0x54624d1)
#23 0x000000000096daca llvm::runPassPipeline(llvm::StringRef, llvm::Module&, llvm::TargetMachine*, llvm::TargetLibraryInfoImpl*, llvm::ToolOutputFile*, llvm::ToolOutputFile*, llvm::ToolOutputFile*, llvm::StringRef, llvm::ArrayRef<llvm::PassPlugin>, llvm::ArrayRef<std::function<void (llvm::PassBuilder&)>>, llvm::opt_tool::OutputKind, llvm::opt_tool::VerifierKind, bool, bool, bool, bool, bool, bool, bool, bool) (/opt/compiler-explorer/clang-assertions-trunk/bin/opt+0x96daca)
#24 0x0000000000961b7b optMain (/opt/compiler-explorer/clang-assertions-trunk/bin/opt+0x961b7b)
#25 0x000072a8c4e29d90 (/lib/x86_64-linux-gnu/libc.so.6+0x29d90)
#26 0x000072a8c4e29e40 __libc_start_main (/lib/x86_64-linux-gnu/libc.so.6+0x29e40)
#27 0x0000000000958c35 _start (/opt/compiler-explorer/clang-assertions-trunk/bin/opt+0x958c35)
Program terminated with signal: SIGSEGV
Compiler returned: 139
```
</pre>
<img width="1" height="1" alt="" src="http://email.email.llvm.org/o/eJzsWd9v4yoW_mvoC0pk498PeXDTyd1qp5qq6c5q9yXChiTcYvACbpv561dgp46ddCaZ26u9Gm3V1o7hfJzz8Z0TwFhrthGUzkB0DaKbK9yYrVSzR2x2WOAb2RRGXxWS7GaPEipaK0makkLVCChrA1-Y2UKzpdBQbWBBuXyBjWZiAyc11ppqENxoXk-eaWmkYt-oAkEOvBzEXvfr5SC4hneSNJze3kAQ3ECAkilAC0XtUGTKOUAJ8HItG1XS1ZpxKnBFu65o3BUBLzdYbaiBBBvM8U42Zt-ZTioQ5HRSo8QDQR4g989-9Icf7V0cun8T9nbjoxQEuY_SyTr1ujvhHsV78zicLN1jZh9ParRvSLu_ALVtaOCqUazmbzG9pvEqDieNeBLyRUw4E83rZCOa1gR4OaFrJihkcQhB6L3IqsAGoBSgDG5Ki6ANNrSWTJgJfcVVzSlACILkGnh5UbSTACFAkd5yN6q9sgBBD6A59PetVdO22utbq50024gJcY32OmzsWv3j5ha5UJDjgnLbryi6mOxNkEMrh1pRojsyoqLYQ9Zb5h7aq0UE0XUXgoV2XSGIbg66B6f6Y0Le6x-e6l81x_ht9-gdeP8YX1HjpsspPrkZ5cDDPrNsfsCtMbW2c4QWAC02khSSm6lUG4AW3wBavH67L5N__uvx95a4pcHlEyRNVR8nlzcFXnav5EbhCmK1aSoqjHY8o4WsDUCLUlY141RN6GvNpaLKPuNYbCY2g5VhUuiJUY14AmhRMNEawom0ELiu7efG1I2ZajhZvpv4EATzNoVB8Al4uW89e2iEsNXC2ljZrhtR2gEBSkdlA2VWwFLAypUK23kA6DIDncIcAzmU_UC2wz59UDuxgQe9V2__E8UJymgKOX-2pQMEud7p9uZeMWEc-Y8KlxSgtO-k8MtKaqMorgCKrRyYMDY9XZb-IeYBuvZeO7csLa3T_tDpeJ1mIVyyjcD8b1gQbsFT58McarZhYi1XBqDcfn6WjLjbrLPQ07K2YvLcXzsA6gZIEE7LkIYoQl4XDWeFVWVbtA6KlW0op1pOY-ezM-k9DoaAWZytS1ibraKYrJ4Y55ehO_sePRy7GyYx3GgX3qVuh0ncA0dDYJQm6wDiQipzGawz7GHjI1i_uBjQL3rAZAgYZDSLLwN0Jj1geqiwICzLzA8tIBZS7CrZaGi_lnXtUiFr06CU4pkq8ygHyXErtFFNl-h5Wyu_C3NgoJf2mw2WUmjjMiuDy8_3X9_y-4Rys4HjkUfTrLxkxLmsamxYwTgzu1xgvtOsKwFFwzj5UlOFBdGO3J-OY35QYnKl8O6BrkEw7x9-xbyhli9b7b4fta0H3jDqBGNKDqsYr4eLsiC_lv-ol5_vDyJ7VJQ-0HIweT_2bQ4b4VaVBHYF5_xhP5ENvRVrOSBmCPdhNbQjpVW4pcwfUUZ84v-fshFllpSeMjSkDBcoOqRsINJ7rLu0MWr3KN8aPjPr9oV8ncVPy0UhJf9QDlyUPQfBkIPC8-LYDQqHcS7pfxoq7HLlKCwb0wEBywpz3trdVjV_n4dR3divalbKked8GAC_GQ_M-qfZEbv_C8hz5r-b1MGnC1Th1DB1GVMrWU-9c0pqOJpoPynXPxb7mxvzLWZC34prLsunQcDXWLOye5xfHsfHqNqF06s6GgWbJev4x8GqRjjFHka3eFvUj-S6LDHH6tOz5M3BWqBvf3R740eFhV5LVdki906fz6xQWO1O9sjzB6obbvRRy2cp65MmN7JiAhupbDU_BtS6qWrr8RyX2-P2G1phQSi5ZifG_FIbVrFv2Jo_0Aqrp08VM8ZOVb6XZY2VOU-R8WiSMCLFWZN03gTtFzt3WOCNld_8hFFXhz5SiTaMXonJYZCIFHGU0gMnCTWY8W5LhrW-k4Ty064O1XdEzk_Fbn__-qR2tPWkDlbzURiHYXD4xe2I_J6DvzBXHRs9V4MNhEcLQqOPEOCfxvEvPDct-W9Tg7yxjDMvPPCxPVd-lHt_LOU5wbWR6nS0rcFFsXYmf4YKMy_sQx3sTrwsDpL1ZSrcxzY_k6CfYOA9Ef11aG1561lFIwGhkJxTB09x-atQ1LHQcxSMlEdwiQ9cVI2TzT2rKWdieA66NIqJjV3Ln5DdUbDtYu4Ol1uH86OlXrvSHPeSkn9x59ELxk-A_KHmd8I5uWFxnPBmw8RxTe77a0OGuyIQzJ8lI8MdkcW6bhgndh7jbt8zRpW1WRm7EWoXmi6KvzNBvtfrK1Vszaja99tvpH7u-oFZajXWKzAcKdAvkgLK2txhJj5uTIvajzk-6M1IduGBtzPpAcdHvBkNPbhaWZuVNliZVdWHc_YQNDwYIhnyFKVlEMEW_MNocqDtkPsXS4Yqt2GipH0j3B6zgyCHy9vflp9--wq8fN4NCRU1jRLUyh76QXb4wuqKzAKSBRm-ojM_iUIvilAWXm1nfpiiJE7WFGVZWAYoDcu0pEUcUVpGfpZcsRnyUOSlnu8HQRiF07WPaYGSgIZlWZAiBaFHK8z41GbCVKrNFdO6oTM_8uMsu3KvI7V7C46QoC_QtQKEQHRzpWbWaFI0Gw1CjzNtdA9jmOF0lu9pgyD2FkpW81t3YDFl-t9Uye7drMvdGAKE5lgIaWB3Pu5eobP-cHhqB0YJXGPGKZleNYrPRi8Fmdk2xbSUlZWETe72MqmV_J2Wdo5dBBqgRRfi8wz9NwAA__-giLZ1">