[llvm-bugs] [Bug 51397] New: llvm SEGV after indirect call promotion

[via llvm-bugs]

https://bugs.llvm.org/show_bug.cgi?id=51397

            Bug ID: 51397
           Summary: llvm SEGV after indirect call promotion
           Product: libraries
           Version: trunk
          Hardware: PC
                OS: All
            Status: NEW
          Severity: enhancement
          Priority: P
         Component: Miscellaneous Instrumentation passes
          Assignee: unassignedbugs at nondot.org
          Reporter: wmi at google.com
                CC: llvm-bugs at lists.llvm.org

Created attachment 25116
  --> https://bugs.llvm.org/attachment.cgi?id=25116&action=edit
test.ll

Starting from
https://github.com/llvm/llvm-project/commit/e4f66a10556c82e2ebf2469fafc1c26639f15be8,
we have seen SEGV in one of our internal test. 

I extracted a testcase test.ll to reproduce the same failure:
opt -passes=pgo-icall-prom -profile-summary-hot-count=10 -S test.ll -o
/dev/null

PLEASE submit a bug report to http://go/llvm-crash-bug and include the crash
backtrace.
Stack dump:
0.      Program arguments: opt -passes=pgo-icall-prom
-profile-summary-hot-count=10 -S test.ll -o /dev/null
Stack dump without symbol names (ensure you have llvm-symbolizer in your PATH
or set the environment var `LLVM_SYMBOLIZER_PATH` to point to it):
0  opt             0x000056271b85e438 llvm::sys::RunSignalHandlers() + 248
1  opt             0x000056271b861271
2  libpthread.so.0 0x00007f689dff79a0
3  opt             0x000056271b6b50ce
4  opt             0x000056271b6b2ac6
5  opt             0x000056271b6c7f9e
6  opt             0x000056271b6c03e4
7  opt             0x000056271b6ab3b7
8  opt             0x000056271b6b1d63
llvm::VerifierAnalysis::run(llvm::Module&,
llvm::AnalysisManager<llvm::Module>&) + 99
9  opt             0x0000562719e8f80f
llvm::detail::AnalysisPassModel<llvm::Module, llvm::VerifierAnalysis,
llvm::PreservedAnalyses,
llvm::AnalysisManager<llvm::Module>::Invalidator>::run(llvm::Module&,
llvm::AnalysisManager<llvm::Module>&) + 15
10 opt             0x000056271b687634
llvm::AnalysisManager<llvm::Module>::getResultImpl(llvm::AnalysisKey*,
llvm::Module&) + 500
11 opt             0x000056271b6b1e8f llvm::VerifierPass::run(llvm::Module&,
llvm::AnalysisManager<llvm::Module>&) + 111
12 opt             0x0000562718f94832 llvm::detail::PassModel<llvm::Module,
llvm::VerifierPass, llvm::PreservedAnalyses,
llvm::AnalysisManager<llvm::Module> >::run(llvm::Module&,
llvm::AnalysisManager<llvm::Module>&) + 18
13 opt             0x000056271b684dfe llvm::PassManager<llvm::Module,
llvm::AnalysisManager<llvm::Module> >::run(llvm::Module&,
llvm::AnalysisManager<llvm::Module>&) + 510
14 opt             0x0000562718f8ba2a llvm::runPassPipeline(llvm::StringRef,
llvm::Module&, llvm::TargetMachine*, llvm::TargetLibraryInfoImpl*,
llvm::ToolOutputFile*, llvm::ToolOutputFile*, llvm::ToolOutputFile*,
llvm::StringRef, llvm::ArrayRef<llvm::StringRef>, llvm::opt_tool::OutputKind,
llvm::opt_tool::VerifierKind, bool, bool, bool, bool, bool, bool) + 13386
15 opt             0x0000562718f9b389 main + 6089
16 libc.so.6       0x00007f689de65bbd __libc_start_main + 253
17 opt             0x0000562718f87169 _start + 41
Segmentation fault

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