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fatal error: error in backend: Cannot select: intrinsic %llvm.writecmrelease #96789

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nidhinmullakkal opened this issue Jun 26, 2024 · 2 comments
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fatal error: error in backend: Cannot select: intrinsic %llvm.writecmrelease #96789

nidhinmullakkal opened this issue Jun 26, 2024 · 2 comments
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backend:RISC-V crash Prefer [crash-on-valid] or [crash-on-invalid] invalid Resolved as invalid, i.e. not a bug llvm:SelectionDAG SelectionDAGISel as well

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@nidhinmullakkal
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I'm using LLVM18.1 and When I add the following code am getting the following error:
redefine.h

static inline __attribute__((always_inline, overloadable)) void __writeCM(
    __CMAddr a, int v, const re_MemoryOrder mo) {
  switch(mo) {
    case memory_order_release:
      __builtin_writecm_release((const void *)a, v);
      break;
    default:
      __builtin_writecm_release((const void *)a, v);
  }
}

clang/include/clang/Basic/Builtins.def

BUILTIN(__builtin_writecm_release ,"vvC*i" , "Fnc")
clang/lib/CodeGen/CGBuiltin.cpp

case Builtin::BI__builtin_writecm_release: {
        Address arg0 = EmitPointerWithAlignment(E->getArg(0));
        EmitNonNullArgCheck(RValue::get(arg0.getPointer()),
          E->getArg(0)->getType(), E->getArg(0)->getExprLoc(), FD, 0);
        Value *arg1 = EmitScalarExpr(E->getArg(1));
        return RValue::get(Builder.CreateWriteCMRelease(arg0.getPointer(), arg1));
      }

llvm/include/llvm/IR/Intrinsics.td

CallInst *IRBuilderBase::CreateWriteCMRelease(Value *arg0, Value* arg1) {
  Module *M = BB->getParent()->getParent();
  Value *Ops[] = { arg0, arg1 };
  Type *Tys[] = { arg0->getType() };
  Function *Fn = Intrinsic::getDeclaration(M, Intrinsic::writecmrelease, Tys);
  CallInst *CI = CreateCall(Fn, Ops);
  return CI;
}

fatal error: error in backend: Cannot select: intrinsic %llvm.writecmrelease
PLEASE submit a bug report to https://github.com/llvm/llvm-project/issues/ and include the crash backtrace, preprocessed source, and associated run script.
Stack dump:
0. Program arguments: /home/nidhin/redefine_sdk/llvm-project-18.1.0.src/build/bin/clang -I/home/nidhin/redefine_sdk/redefine/REDEFINE/riscv-gnu-toolchain-install/riscv32-unknown-elf/include -I/home/nidhin/redefine_sdk/redefine/include -Wall -target riscv32-unknown-elf -ffunction-sections -fdata-sections -Wuninitialized -fno-builtin -ffreestanding -march=rv32imf -fno-addrsig -O3 -c -o fib.o fib.c

  1. parser at end of file
  2. Code generation
  3. Running pass 'Function Pass Manager' on module 'fib.c'.
  4. Running pass 'RISC-V DAG->DAG Pattern Instruction Selection' on function '@__REDEFINE_main'
    #0 0x000055b1db53cfcf llvm::sys::PrintStackTrace(llvm::raw_ostream&, int) (/home/nidhin/redefine_sdk/llvm-project-18.1.0.src/build/bin/clang+0x20eefcf)
    Fixing Rust build #1 0x000055b1db53b01c llvm::sys::CleanupOnSignal(unsigned long) (/home/nidhin/redefine_sdk/llvm-project-18.1.0.src/build/bin/clang+0x20ed01c)
    Fix a typo #2 0x000055b1db487f27 llvm::CrashRecoveryContext::HandleExit(int) (/home/nidhin/redefine_sdk/llvm-project-18.1.0.src/build/bin/clang+0x2039f27)
    Fix a compilation error on gcc8 #3 0x000055b1db532492 llvm::sys::Process::Exit(int, bool) (/home/nidhin/redefine_sdk/llvm-project-18.1.0.src/build/bin/clang+0x20e4492)
    Fix a compilation error on gcc8 #4 0x000055b1da12c0b6 (/home/nidhin/redefine_sdk/llvm-project-18.1.0.src/build/bin/clang+0xcde0b6)
    Seedarg/member/wip #5 0x000055b1db48f27a llvm::report_fatal_error(llvm::Twine const&, bool) (/home/nidhin/redefine_sdk/llvm-project-18.1.0.src/build/bin/clang+0x204127a)
    Add check for matching HeaderFilter before emitting Diagnostic #6 0x000055b1dc5ef400 llvm::SelectionDAGISel::CannotYetSelect(llvm::SDNode*) (/home/nidhin/redefine_sdk/llvm-project-18.1.0.src/build/bin/clang+0x31a1400)
    Random engine swap #7 0x000055b1dc5f4df5 llvm::SelectionDAGISel::SelectCodeCommon(llvm::SDNode*, unsigned char const*, unsigned int) (/home/nidhin/redefine_sdk/llvm-project-18.1.0.src/build/bin/clang+0x31a6df5)
    Update rwlock init #8 0x000055b1da5d9d21 llvm::RISCVDAGToDAGISel::Select(llvm::SDNode*) (/home/nidhin/redefine_sdk/llvm-project-18.1.0.src/build/bin/clang+0x118bd21)
    Next80 merge test #9 0x000055b1dc5eba87 llvm::SelectionDAGISel::DoInstructionSelection() (/home/nidhin/redefine_sdk/llvm-project-18.1.0.src/build/bin/clang+0x319da87)
    Fix typo: 'soruce' -> 'source' #10 0x000055b1dc5f97a9 llvm::SelectionDAGISel::CodeGenAndEmitDAG() (/home/nidhin/redefine_sdk/llvm-project-18.1.0.src/build/bin/clang+0x31ab7a9)
    fix for gcc 8 #11 0x000055b1dc5fc5fc llvm::SelectionDAGISel::SelectAllBasicBlocks(llvm::Function const&) (/home/nidhin/redefine_sdk/llvm-project-18.1.0.src/build/bin/clang+0x31ae5fc)
    Fix "Allman" style example #12 0x000055b1dc5feb36 llvm::SelectionDAGISel::runOnMachineFunction(llvm::MachineFunction&) (.part.0) SelectionDAGISel.cpp:0:0
    Defer diag #13 0x000055b1daa541a0 llvm::MachineFunctionPass::runOnFunction(llvm::Function&) (.part.0) MachineFunctionPass.cpp:0:0
    WIP lifetime categories #14 0x000055b1dafec8da llvm::FPPassManager::runOnFunction(llvm::Function&) (/home/nidhin/redefine_sdk/llvm-project-18.1.0.src/build/bin/clang+0x1b9e8da)
    Fix ClangOpenCLBuiltinsImpl target not found #15 0x000055b1dafeca69 llvm::FPPassManager::runOnModule(llvm::Module&) (/home/nidhin/redefine_sdk/llvm-project-18.1.0.src/build/bin/clang+0x1b9ea69)
    __unique_stable_name implementation. #16 0x000055b1dafedf30 llvm::legacy::PassManagerImpl::run(llvm::Module&) (/home/nidhin/redefine_sdk/llvm-project-18.1.0.src/build/bin/clang+0x1b9ff30)
    Lockdown test #17 0x000055b1db79ea39 clang::EmitBackendOutput(clang::DiagnosticsEngine&, clang::HeaderSearchOptions const&, clang::CodeGenOptions const&, clang::TargetOptions const&, clang::LangOptions const&, llvm::StringRef, llvm::Module*, clang::BackendAction, llvm::IntrusiveRefCntPtrllvm::vfs::FileSystem, std::unique_ptr<llvm::raw_pwrite_stream, std::default_deletellvm::raw_pwrite_stream>, clang::BackendConsumer*) (/home/nidhin/redefine_sdk/llvm-project-18.1.0.src/build/bin/clang+0x2350a39)
    Lockdown test #18 0x000055b1dbd7a36e clang::BackendConsumer::HandleTranslationUnit(clang::ASTContext&) (/home/nidhin/redefine_sdk/llvm-project-18.1.0.src/build/bin/clang+0x292c36e)
    Test commit to check lockdown app #19 0x000055b1dd980b79 clang::ParseAST(clang::Sema&, bool, bool) (/home/nidhin/redefine_sdk/llvm-project-18.1.0.src/build/bin/clang+0x4532b79)
    Construct path using a locale #20 0x000055b1dbd79745 clang::CodeGenAction::ExecuteAction() (/home/nidhin/redefine_sdk/llvm-project-18.1.0.src/build/bin/clang+0x292b745)
    moved upfront the skip branch insertion code for correctness. #21 0x000055b1dc00cb21 clang::FrontendAction::Execute() (/home/nidhin/redefine_sdk/llvm-project-18.1.0.src/build/bin/clang+0x2bbeb21)
    Update Applyreplacements.h #22 0x000055b1dbf87a5b clang::CompilerInstance::ExecuteAction(clang::FrontendAction&) (/home/nidhin/redefine_sdk/llvm-project-18.1.0.src/build/bin/clang+0x2b39a5b)
    Fix issue with empty LIB_NAMES #23 0x000055b1dc0ecc7b clang::ExecuteCompilerInvocation(clang::CompilerInstance*) (/home/nidhin/redefine_sdk/llvm-project-18.1.0.src/build/bin/clang+0x2c9ec7b)
    Vardhan/issue 123 #24 0x000055b1da12dd8d cc1_main(llvm::ArrayRef<char const*>, char const*, void*) (/home/nidhin/redefine_sdk/llvm-project-18.1.0.src/build/bin/clang+0xcdfd8d)
    Add bugprone-argument-comment option: IgnoreSingleArgument. #25 0x000055b1da12686d ExecuteCC1Tool(llvm::SmallVectorImpl<char const*>&, llvm::ToolContext const&) driver.cpp:0:0
    Cherry-picked from commit 628e418df1a009e0d073545cbef3604350e7b808 #26 0x000055b1dbdc27ed void llvm::function_ref<void ()>::callback_fn<clang::driver::CC1Command::Execute(llvm::ArrayRef<std::optionalllvm::StringRef>, std::__cxx11::basic_string<char, std::char_traits, std::allocator>, bool) const::'lambda'()>(long) Job.cpp:0:0
    Templateissue #27 0x000055b1db487e17 llvm::CrashRecoveryContext::RunSafely(llvm::function_ref<void ()>) (/home/nidhin/redefine_sdk/llvm-project-18.1.0.src/build/bin/clang+0x2039e17)
    Dfa #28 0x000055b1dbdc2c8c clang::driver::CC1Command::Execute(llvm::ArrayRef<std::optionalllvm::StringRef>, std::__cxx11::basic_string<char, std::char_traits, std::allocator>, bool) const (.part.0) Job.cpp:0:0
    LLVM_COMPLETE_INSTALLATION #29 0x000055b1dbd8939e clang::driver::Compilation::ExecuteCommand(clang::driver::Command const&, clang::driver::Command const*&, bool) const (/home/nidhin/redefine_sdk/llvm-project-18.1.0.src/build/bin/clang+0x293b39e)
    Vis debug #30 0x000055b1dbd89d6d clang::driver::Compilation::ExecuteJobs(clang::driver::JobList const&, llvm::SmallVectorImpl<std::pair<int, clang::driver::Command const*>>&, bool) const (/home/nidhin/redefine_sdk/llvm-project-18.1.0.src/build/bin/clang+0x293bd6d)
    [analyzer][NFC][docs] Add CodeChecker to the command line tools #31 0x000055b1dbd9423c clang::driver::Driver::ExecuteCompilation(clang::driver::Compilation&, llvm::SmallVectorImpl<std::pair<int, clang::driver::Command const*>>&) (/home/nidhin/redefine_sdk/llvm-project-18.1.0.src/build/bin/clang+0x294623c)
    Update README.md #32 0x000055b1da12b171 clang_main(int, char**, llvm::ToolContext const&) (/home/nidhin/redefine_sdk/llvm-project-18.1.0.src/build/bin/clang+0xcdd171)
    Change the tblgen install template to allow mlir-tblgen to install. #33 0x000055b1da072ecb main (/home/nidhin/redefine_sdk/llvm-project-18.1.0.src/build/bin/clang+0xc24ecb)
    Test issue #34 0x00007f6f26dcd083 __libc_start_main /build/glibc-LcI20x/glibc-2.31/csu/../csu/libc-start.c:342:3
    Test issue #2 #35 0x000055b1da12602e _start (/home/nidhin/redefine_sdk/llvm-project-18.1.0.src/build/bin/clang+0xcd802e)
    clang: error: clang frontend command failed with exit code 70 (use -v to see invocation)
    clang version 18.1.0rc (/home/nidhin/redefine_sdk/llvm-project-18.1.0.src/clang cfd63ba87bdda87f23e2cf920bcbc8c10acd4359)
@EugeneZelenko EugeneZelenko added backend:RISC-V crash Prefer [crash-on-valid] or [crash-on-invalid] llvm:SelectionDAG SelectionDAGISel as well and removed new issue labels Jun 26, 2024
@llvmbot
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llvmbot commented Jun 26, 2024

@llvm/issue-subscribers-backend-risc-v

Author: None (nidhinmullakkal)

I'm using LLVM18.1 and When I add the following code am getting the following error: redefine.h 
static inline __attribute__((always_inline, overloadable)) void __writeCM(
    __CMAddr a, int v, const re_MemoryOrder mo) {
  switch(mo) {
    case memory_order_release:
      __builtin_writecm_release((const void *)a, v);
      break;
    default:
      __builtin_writecm_release((const void *)a, v);
  }
}

clang/include/clang/Basic/Builtins.def

BUILTIN(__builtin_writecm_release ,"vvC*i" , "Fnc")
clang/lib/CodeGen/CGBuiltin.cpp

case Builtin::BI__builtin_writecm_release: {
        Address arg0 = EmitPointerWithAlignment(E-&gt;getArg(0));
        EmitNonNullArgCheck(RValue::get(arg0.getPointer()),
          E-&gt;getArg(0)-&gt;getType(), E-&gt;getArg(0)-&gt;getExprLoc(), FD, 0);
        Value *arg1 = EmitScalarExpr(E-&gt;getArg(1));
        return RValue::get(Builder.CreateWriteCMRelease(arg0.getPointer(), arg1));
      }

llvm/include/llvm/IR/Intrinsics.td

CallInst *IRBuilderBase::CreateWriteCMRelease(Value *arg0, Value* arg1) {
  Module *M = BB-&gt;getParent()-&gt;getParent();
  Value *Ops[] = { arg0, arg1 };
  Type *Tys[] = { arg0-&gt;getType() };
  Function *Fn = Intrinsic::getDeclaration(M, Intrinsic::writecmrelease, Tys);
  CallInst *CI = CreateCall(Fn, Ops);
  return CI;
}

fatal error: error in backend: Cannot select: intrinsic %llvm.writecmrelease
PLEASE submit a bug report to https://github.com/llvm/llvm-project/issues/ and include the crash backtrace, preprocessed source, and associated run script.
Stack dump:
0. Program arguments: /home/nidhin/redefine_sdk/llvm-project-18.1.0.src/build/bin/clang -I/home/nidhin/redefine_sdk/redefine/REDEFINE/riscv-gnu-toolchain-install/riscv32-unknown-elf/include -I/home/nidhin/redefine_sdk/redefine/include -Wall -target riscv32-unknown-elf -ffunction-sections -fdata-sections -Wuninitialized -fno-builtin -ffreestanding -march=rv32imf -fno-addrsig -O3 -c -o fib.o fib.c

  1. <eof> parser at end of file
  2. Code generation
  3. Running pass 'Function Pass Manager' on module 'fib.c'.
  4. Running pass 'RISC-V DAG->DAG Pattern Instruction Selection' on function '@__REDEFINE_main'
    #0 0x000055b1db53cfcf llvm::sys::PrintStackTrace(llvm::raw_ostream&, int) (/home/nidhin/redefine_sdk/llvm-project-18.1.0.src/build/bin/clang+0x20eefcf)
    #1 0x000055b1db53b01c llvm::sys::CleanupOnSignal(unsigned long) (/home/nidhin/redefine_sdk/llvm-project-18.1.0.src/build/bin/clang+0x20ed01c)
    #2 0x000055b1db487f27 llvm::CrashRecoveryContext::HandleExit(int) (/home/nidhin/redefine_sdk/llvm-project-18.1.0.src/build/bin/clang+0x2039f27)
    #3 0x000055b1db532492 llvm::sys::Process::Exit(int, bool) (/home/nidhin/redefine_sdk/llvm-project-18.1.0.src/build/bin/clang+0x20e4492)
    #4 0x000055b1da12c0b6 (/home/nidhin/redefine_sdk/llvm-project-18.1.0.src/build/bin/clang+0xcde0b6)
    #5 0x000055b1db48f27a llvm::report_fatal_error(llvm::Twine const&, bool) (/home/nidhin/redefine_sdk/llvm-project-18.1.0.src/build/bin/clang+0x204127a)
    #6 0x000055b1dc5ef400 llvm::SelectionDAGISel::CannotYetSelect(llvm::SDNode*) (/home/nidhin/redefine_sdk/llvm-project-18.1.0.src/build/bin/clang+0x31a1400)
    #7 0x000055b1dc5f4df5 llvm::SelectionDAGISel::SelectCodeCommon(llvm::SDNode*, unsigned char const*, unsigned int) (/home/nidhin/redefine_sdk/llvm-project-18.1.0.src/build/bin/clang+0x31a6df5)
    #8 0x000055b1da5d9d21 llvm::RISCVDAGToDAGISel::Select(llvm::SDNode*) (/home/nidhin/redefine_sdk/llvm-project-18.1.0.src/build/bin/clang+0x118bd21)
    #9 0x000055b1dc5eba87 llvm::SelectionDAGISel::DoInstructionSelection() (/home/nidhin/redefine_sdk/llvm-project-18.1.0.src/build/bin/clang+0x319da87)
    #10 0x000055b1dc5f97a9 llvm::SelectionDAGISel::CodeGenAndEmitDAG() (/home/nidhin/redefine_sdk/llvm-project-18.1.0.src/build/bin/clang+0x31ab7a9)
    #11 0x000055b1dc5fc5fc llvm::SelectionDAGISel::SelectAllBasicBlocks(llvm::Function const&) (/home/nidhin/redefine_sdk/llvm-project-18.1.0.src/build/bin/clang+0x31ae5fc)
    #12 0x000055b1dc5feb36 llvm::SelectionDAGISel::runOnMachineFunction(llvm::MachineFunction&) (.part.0) SelectionDAGISel.cpp:0:0
    #13 0x000055b1daa541a0 llvm::MachineFunctionPass::runOnFunction(llvm::Function&) (.part.0) MachineFunctionPass.cpp:0:0
    #14 0x000055b1dafec8da llvm::FPPassManager::runOnFunction(llvm::Function&) (/home/nidhin/redefine_sdk/llvm-project-18.1.0.src/build/bin/clang+0x1b9e8da)
    #15 0x000055b1dafeca69 llvm::FPPassManager::runOnModule(llvm::Module&) (/home/nidhin/redefine_sdk/llvm-project-18.1.0.src/build/bin/clang+0x1b9ea69)
    #16 0x000055b1dafedf30 llvm::legacy::PassManagerImpl::run(llvm::Module&) (/home/nidhin/redefine_sdk/llvm-project-18.1.0.src/build/bin/clang+0x1b9ff30)
    #17 0x000055b1db79ea39 clang::EmitBackendOutput(clang::DiagnosticsEngine&, clang::HeaderSearchOptions const&, clang::CodeGenOptions const&, clang::TargetOptions const&, clang::LangOptions const&, llvm::StringRef, llvm::Module*, clang::BackendAction, llvm::IntrusiveRefCntPtr<llvm::vfs::FileSystem>, std::unique_ptr<llvm::raw_pwrite_stream, std::default_delete<llvm::raw_pwrite_stream>>, clang::BackendConsumer*) (/home/nidhin/redefine_sdk/llvm-project-18.1.0.src/build/bin/clang+0x2350a39)
    #18 0x000055b1dbd7a36e clang::BackendConsumer::HandleTranslationUnit(clang::ASTContext&) (/home/nidhin/redefine_sdk/llvm-project-18.1.0.src/build/bin/clang+0x292c36e)
    #19 0x000055b1dd980b79 clang::ParseAST(clang::Sema&, bool, bool) (/home/nidhin/redefine_sdk/llvm-project-18.1.0.src/build/bin/clang+0x4532b79)
    #20 0x000055b1dbd79745 clang::CodeGenAction::ExecuteAction() (/home/nidhin/redefine_sdk/llvm-project-18.1.0.src/build/bin/clang+0x292b745)
    #21 0x000055b1dc00cb21 clang::FrontendAction::Execute() (/home/nidhin/redefine_sdk/llvm-project-18.1.0.src/build/bin/clang+0x2bbeb21)
    #22 0x000055b1dbf87a5b clang::CompilerInstance::ExecuteAction(clang::FrontendAction&) (/home/nidhin/redefine_sdk/llvm-project-18.1.0.src/build/bin/clang+0x2b39a5b)
    #23 0x000055b1dc0ecc7b clang::ExecuteCompilerInvocation(clang::CompilerInstance*) (/home/nidhin/redefine_sdk/llvm-project-18.1.0.src/build/bin/clang+0x2c9ec7b)
    #24 0x000055b1da12dd8d cc1_main(llvm::ArrayRef<char const*>, char const*, void*) (/home/nidhin/redefine_sdk/llvm-project-18.1.0.src/build/bin/clang+0xcdfd8d)
    #25 0x000055b1da12686d ExecuteCC1Tool(llvm::SmallVectorImpl<char const*>&, llvm::ToolContext const&) driver.cpp:0:0
    #26 0x000055b1dbdc27ed void llvm::function_ref<void ()>::callback_fn<clang::driver::CC1Command::Execute(llvm::ArrayRef<std::optional<llvm::StringRef>>, std::__cxx11::basic_string<char, std::char_traits<char>, std::allocator<char>>, bool) const::'lambda'()>(long) Job.cpp:0:0
    #27 0x000055b1db487e17 llvm::CrashRecoveryContext::RunSafely(llvm::function_ref<void ()>) (/home/nidhin/redefine_sdk/llvm-project-18.1.0.src/build/bin/clang+0x2039e17)
    #28 0x000055b1dbdc2c8c clang::driver::CC1Command::Execute(llvm::ArrayRef<std::optional<llvm::StringRef>>, std::__cxx11::basic_string<char, std::char_traits<char>, std::allocator<char>>, bool) const (.part.0) Job.cpp:0:0
    #29 0x000055b1dbd8939e clang::driver::Compilation::ExecuteCommand(clang::driver::Command const&, clang::driver::Command const*&, bool) const (/home/nidhin/redefine_sdk/llvm-project-18.1.0.src/build/bin/clang+0x293b39e)
    #30 0x000055b1dbd89d6d clang::driver::Compilation::ExecuteJobs(clang::driver::JobList const&, llvm::SmallVectorImpl<std::pair<int, clang::driver::Command const*>>&, bool) const (/home/nidhin/redefine_sdk/llvm-project-18.1.0.src/build/bin/clang+0x293bd6d)
    #31 0x000055b1dbd9423c clang::driver::Driver::ExecuteCompilation(clang::driver::Compilation&, llvm::SmallVectorImpl<std::pair<int, clang::driver::Command const*>>&) (/home/nidhin/redefine_sdk/llvm-project-18.1.0.src/build/bin/clang+0x294623c)
    #32 0x000055b1da12b171 clang_main(int, char**, llvm::ToolContext const&) (/home/nidhin/redefine_sdk/llvm-project-18.1.0.src/build/bin/clang+0xcdd171)
    #33 0x000055b1da072ecb main (/home/nidhin/redefine_sdk/llvm-project-18.1.0.src/build/bin/clang+0xc24ecb)
    #34 0x00007f6f26dcd083 __libc_start_main /build/glibc-LcI20x/glibc-2.31/csu/../csu/libc-start.c:342:3
    #35 0x000055b1da12602e _start (/home/nidhin/redefine_sdk/llvm-project-18.1.0.src/build/bin/clang+0xcd802e)
    clang: error: clang frontend command failed with exit code 70 (use -v to see invocation)
    clang version 18.1.0rc (/home/nidhin/redefine_sdk/llvm-project-18.1.0.src/clang cfd63ba87bdda87f23e2cf920bcbc8c10acd4359)

@dtcxzyw
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dtcxzyw commented Jun 26, 2024

There is no Intrinsic::writecmrelease in the upstream LLVM :(

Please consult with your vendor (I see redefine_sdk in your crash log).

@dtcxzyw dtcxzyw closed this as not planned Won't fix, can't repro, duplicate, stale Jun 26, 2024
@EugeneZelenko EugeneZelenko added the invalid Resolved as invalid, i.e. not a bug label Jun 26, 2024
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@EugeneZelenko @dtcxzyw @llvmbot @nidhinmullakkal