<html>
    <head>
      <base href="https://bugs.llvm.org/">
    </head>
    <body><table border="1" cellspacing="0" cellpadding="8">
        <tr>
          <th>Bug ID</th>
          <td><a class="bz_bug_link 
          bz_status_NEW "
   title="NEW - inline crashes: Assertion `I->getParent()->getParent() == F && "Found assumption for the wrong function!"' failed."
   href="https://bugs.llvm.org/show_bug.cgi?id=42808">42808</a>
          </td>
        </tr>

        <tr>
          <th>Summary</th>
          <td>inline crashes: Assertion `I->getParent()->getParent() == F && "Found assumption for the wrong function!"' failed.
          </td>
        </tr>

        <tr>
          <th>Product</th>
          <td>libraries
          </td>
        </tr>

        <tr>
          <th>Version</th>
          <td>trunk
          </td>
        </tr>

        <tr>
          <th>Hardware</th>
          <td>PC
          </td>
        </tr>

        <tr>
          <th>OS</th>
          <td>Linux
          </td>
        </tr>

        <tr>
          <th>Status</th>
          <td>NEW
          </td>
        </tr>

        <tr>
          <th>Severity</th>
          <td>enhancement
          </td>
        </tr>

        <tr>
          <th>Priority</th>
          <td>P
          </td>
        </tr>

        <tr>
          <th>Component</th>
          <td>Interprocedural Optimizations
          </td>
        </tr>

        <tr>
          <th>Assignee</th>
          <td>unassignedbugs@nondot.org
          </td>
        </tr>

        <tr>
          <th>Reporter</th>
          <td>cszide@163.com
          </td>
        </tr>

        <tr>
          <th>CC</th>
          <td>llvm-bugs@lists.llvm.org
          </td>
        </tr></table>
      <p>
        <div>
        <pre>Created <span class=""><a href="attachment.cgi?id=22308" name="attach_22308" title=".bc file of the source code">attachment 22308</a> <a href="attachment.cgi?id=22308&action=edit" title=".bc file of the source code">[details]</a></span>
.bc file of the source code

$clang -v
clang version 10.0.0 (trunk 367076)
Target: x86_64-unknown-linux-gnu
Thread model: posix
InstalledDir: /home/jack-zhou/Documents/llvm/llvm_truck/llvm2/build4/bin
Found candidate GCC installation: /usr/lib/gcc/i686-linux-gnu/8
Found candidate GCC installation: /usr/lib/gcc/x86_64-linux-gnu/5
Found candidate GCC installation: /usr/lib/gcc/x86_64-linux-gnu/5.5.0
Found candidate GCC installation: /usr/lib/gcc/x86_64-linux-gnu/6
Found candidate GCC installation: /usr/lib/gcc/x86_64-linux-gnu/6.5.0
Found candidate GCC installation: /usr/lib/gcc/x86_64-linux-gnu/7
Found candidate GCC installation: /usr/lib/gcc/x86_64-linux-gnu/7.4.0
Found candidate GCC installation: /usr/lib/gcc/x86_64-linux-gnu/8
Selected GCC installation: /usr/lib/gcc/x86_64-linux-gnu/7.4.0
Candidate multilib: .;@m64
Candidate multilib: 32;@m32
Candidate multilib: x32;@mx32
Selected multilib: .;@m64

$clang -O3 -c -emit-llvm -femit-all-decls -mllvm -disable-llvm-optzns small.c

$opt -loop-sink -lowerswitch -gvn  -simplifycfg -licm -div-rem-pairs
-loop-unroll -hotcoldsplit -inline  small.bc -o small-opt.bc
opt:
/home/jack-zhou/Documents/llvm/llvm_truck/llvm2/lib/Analysis/CodeMetrics.cpp:105:
static void llvm::CodeMetrics::collectEphemeralValues(const llvm::Function*,
llvm::AssumptionCache*, llvm::SmallPtrSetImpl<const llvm::Value*>&): Assertion
`I->getParent()->getParent() == F && "Found assumption for the wrong
function!"' failed.
Stack dump:
0.      Program arguments:
/home/jack-zhou/Documents/llvm/llvm_truck/llvm2/build4/bin/opt -loop-sink
-lowerswitch -gvn -simplifycfg -licm -div-rem-pairs -loop-unroll -hotcoldsplit
-inline small.bc -o small-opt.bc 
1.      Running pass 'CallGraph Pass Manager' on module 'small.bc'.
 #0 0x00005604dfd0d68a llvm::sys::PrintStackTrace(llvm::raw_ostream&)
(/home/jack-zhou/Documents/llvm/llvm_truck/llvm2/build4/bin/opt+0x26bb68a)
 #1 0x00005604dfd0b334 llvm::sys::RunSignalHandlers()
(/home/jack-zhou/Documents/llvm/llvm_truck/llvm2/build4/bin/opt+0x26b9334)
 #2 0x00005604dfd0b472 SignalHandler(int)
(/home/jack-zhou/Documents/llvm/llvm_truck/llvm2/build4/bin/opt+0x26b9472)
 #3 0x00007fb734208890 __restore_rt
(/lib/x86_64-linux-gnu/libpthread.so.0+0x12890)
 #4 0x00007fb732ebae97 raise
/build/glibc-OTsEL5/glibc-2.27/signal/../sysdeps/unix/sysv/linux/raise.c:51:0
 #5 0x00007fb732ebc801 abort /build/glibc-OTsEL5/glibc-2.27/stdlib/abort.c:81:0
 #6 0x00007fb732eac39a __assert_fail_base
/build/glibc-OTsEL5/glibc-2.27/assert/assert.c:89:0
 #7 0x00007fb732eac412 (/lib/x86_64-linux-gnu/libc.so.6+0x30412)
 #8 0x00005604def82e01 llvm::CodeMetrics::collectEphemeralValues(llvm::Function
const*, llvm::AssumptionCache*, llvm::SmallPtrSetImpl<llvm::Value const*>&)
(/home/jack-zhou/Documents/llvm/llvm_truck/llvm2/build4/bin/opt+0x1930e01)
 #9 0x00005604defdc2ea (anonymous
namespace)::CallAnalyzer::analyzeCall(llvm::CallBase&)
(/home/jack-zhou/Documents/llvm/llvm_truck/llvm2/build4/bin/opt+0x198a2ea)
#10 0x00005604defddad1 llvm::getInlineCost(llvm::CallBase&, llvm::Function*,
llvm::InlineParams const&, llvm::TargetTransformInfo&,
std::function<llvm::AssumptionCache& (llvm::Function&)>&,
llvm::Optional<llvm::function_ref<llvm::BlockFrequencyInfo& (llvm::Function&)>
<span class="quote">>, llvm::ProfileSummaryInfo*, llvm::OptimizationRemarkEmitter*)</span >
(/home/jack-zhou/Documents/llvm/llvm_truck/llvm2/build4/bin/opt+0x198bad1)
#11 0x00005604defddd0d llvm::getInlineCost(llvm::CallBase&, llvm::InlineParams
const&, llvm::TargetTransformInfo&, std::function<llvm::AssumptionCache&
(llvm::Function&)>&,
llvm::Optional<llvm::function_ref<llvm::BlockFrequencyInfo& (llvm::Function&)>
<span class="quote">>, llvm::ProfileSummaryInfo*, llvm::OptimizationRemarkEmitter*)</span >
(/home/jack-zhou/Documents/llvm/llvm_truck/llvm2/build4/bin/opt+0x198bd0d)
#12 0x00005604df78e33a (anonymous
namespace)::SimpleInliner::getInlineCost(llvm::CallSite)
(/home/jack-zhou/Documents/llvm/llvm_truck/llvm2/build4/bin/opt+0x213c33a)
#13 0x00005604df7942ff inlineCallsImpl(llvm::CallGraphSCC&, llvm::CallGraph&,
std::function<llvm::AssumptionCache& (llvm::Function&)>,
llvm::ProfileSummaryInfo*, llvm::TargetLibraryInfo&, bool,
llvm::function_ref<llvm::InlineCost (llvm::CallSite)>,
llvm::function_ref<llvm::AAResults& (llvm::Function&)>,
llvm::ImportedFunctionsInliningStatistics&) (.constprop.467)
(/home/jack-zhou/Documents/llvm/llvm_truck/llvm2/build4/bin/opt+0x21422ff)
#14 0x00005604df796407
llvm::LegacyInlinerBase::inlineCalls(llvm::CallGraphSCC&)
(/home/jack-zhou/Documents/llvm/llvm_truck/llvm2/build4/bin/opt+0x2144407)
#15 0x00005604def7aa06 (anonymous
namespace)::CGPassManager::runOnModule(llvm::Module&)
(/home/jack-zhou/Documents/llvm/llvm_truck/llvm2/build4/bin/opt+0x1928a06)
#16 0x00005604df6992d1 llvm::legacy::PassManagerImpl::run(llvm::Module&)
(/home/jack-zhou/Documents/llvm/llvm_truck/llvm2/build4/bin/opt+0x20472d1)
#17 0x00005604ddeb4425 main
(/home/jack-zhou/Documents/llvm/llvm_truck/llvm2/build4/bin/opt+0x862425)
#18 0x00007fb732e9db97 __libc_start_main
/build/glibc-OTsEL5/glibc-2.27/csu/../csu/libc-start.c:344:0
#19 0x00005604ddf3a93a _start
(/home/jack-zhou/Documents/llvm/llvm_truck/llvm2/build4/bin/opt+0x8e893a)
Aborted (core dumped)

--------------------------------------------------------------
long a;
short b, c;
void d() {
  for (;;) {
    int e;
    if (c)
      break;
    b = 0;
    for (; b <= 0; b++) {
      int f;
      if (a)
        continue;
    }
  }
}
void main() { d(); }</pre>
        </div>
      </p>


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