Documentation: Mention Swift's SIL as inspiration #25
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Hi @PhilipMetzger, nice talking to you too! SIL was an inspiration in the same way Rust's MIR was, meaning "if it provides benefit for these languages, C++ would benefit from that as well", so not really sure what to mention and where, do you have more a more concrete suggestion? |
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Sorry for the late Response. My idea was to mention it in the Readme with something like "CIR is a MLIR based IR for better C++ analysis which currently shares it's AST based approach with SIL. The current focus is to detect lifetime errors and Undefined Behavior in coroutines, e.g folly::coro " I hope this helps. |
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… depobj construct (#114221) A codegen crash is occurring when a depend object was initialized with omp_all_memory in the depobj directive. llvm/llvm-project#114214 The root cause of issue looks to be the improper handling of the dependency list when omp_all_memory was specified. The change introduces the use of OMPTaskDataTy to manage dependencies. The buildDependences function is called to construct the dependency list, and the list is iterated over to emit and store the dependencies. Reduced Test Case : ``` #include <omp.h> int main() { omp_depend_t obj; #pragma omp depobj(obj) depend(inout: omp_all_memory) } ``` ``` llvm#1 0x0000000003de6623 SignalHandler(int) Signals.cpp:0:0 llvm#2 0x00007f8e4a6b990f (/lib64/libpthread.so.0+0x1690f) llvm#3 0x00007f8e4a117d2a raise (/lib64/libc.so.6+0x4ad2a) llvm#4 0x00007f8e4a1193e4 abort (/lib64/libc.so.6+0x4c3e4) llvm#5 0x00007f8e4a10fc69 __assert_fail_base (/lib64/libc.so.6+0x42c69) llvm#6 0x00007f8e4a10fcf1 __assert_fail (/lib64/libc.so.6+0x42cf1) llvm#7 0x0000000004114367 clang::CodeGen::CodeGenFunction::EmitOMPDepobjDirective(clang::OMPDepobjDirective const&) (/opt/cray/pe/cce/18.0.1/cce-clang/x86_64/bin/clang-18+0x4114367) llvm#8 0x00000000040f8fac clang::CodeGen::CodeGenFunction::EmitStmt(clang::Stmt const*, llvm::ArrayRef<clang::Attr const*>) (/opt/cray/pe/cce/18.0.1/cce-clang/x86_64/bin/clang-18+0x40f8fac) llvm#9 0x00000000040ff4fb clang::CodeGen::CodeGenFunction::EmitCompoundStmtWithoutScope(clang::CompoundStmt const&, bool, clang::CodeGen::AggValueSlot) (/opt/cray/pe/cce/18.0.1/cce-clang/x86_64/bin/clang-18+0x40ff4fb) llvm#10 0x00000000041847b2 clang::CodeGen::CodeGenFunction::EmitFunctionBody(clang::Stmt const*) (/opt/cray/pe/cce/18.0.1/cce-clang/x86_64/bin/clang-18+0x41847b2) llvm#11 0x0000000004199e4a clang::CodeGen::CodeGenFunction::GenerateCode(clang::GlobalDecl, llvm::Function*, clang::CodeGen::CGFunctionInfo const&) (/opt/cray/pe/cce/18.0.1/cce-clang/x86_64/bin/clang-18+0x4199e4a) llvm#12 0x00000000041f7b9d clang::CodeGen::CodeGenModule::EmitGlobalFunctionDefinition(clang::GlobalDecl, llvm::GlobalValue*) (/opt/cray/pe/cce/18.0.1/cce-clang/x86_64/bin/clang-18+0x41f7b9d) llvm#13 0x00000000041f16a3 clang::CodeGen::CodeGenModule::EmitGlobalDefinition(clang::GlobalDecl, llvm::GlobalValue*) (/opt/cray/pe/cce/18.0.1/cce-clang/x86_64/bin/clang-18+0x41f16a3) llvm#14 0x00000000041fd954 clang::CodeGen::CodeGenModule::EmitDeferred() (/opt/cray/pe/cce/18.0.1/cce-clang/x86_64/bin/clang-18+0x41fd954) llvm#15 0x0000000004200277 clang::CodeGen::CodeGenModule::Release() (/opt/cray/pe/cce/18.0.1/cce-clang/x86_64/bin/clang-18+0x4200277) llvm#16 0x00000000046b6a49 (anonymous namespace)::CodeGeneratorImpl::HandleTranslationUnit(clang::ASTContext&) ModuleBuilder.cpp:0:0 llvm#17 0x00000000046b4cb6 clang::BackendConsumer::HandleTranslationUnit(clang::ASTContext&) (/opt/cray/pe/cce/18.0.1/cce-clang/x86_64/bin/clang-18+0x46b4cb6) llvm#18 0x0000000006204d5c clang::ParseAST(clang::Sema&, bool, bool) (/opt/cray/pe/cce/18.0.1/cce-clang/x86_64/bin/clang-18+0x6204d5c) llvm#19 0x000000000496b278 clang::FrontendAction::Execute() (/opt/cray/pe/cce/18.0.1/cce-clang/x86_64/bin/clang-18+0x496b278) llvm#20 0x00000000048dd074 clang::CompilerInstance::ExecuteAction(clang::FrontendAction&) (/opt/cray/pe/cce/18.0.1/cce-clang/x86_64/bin/clang-18+0x48dd074) llvm#21 0x0000000004a38092 clang::ExecuteCompilerInvocation(clang::CompilerInstance*) (/opt/cray/pe/cce/18.0.1/cce-clang/x86_64/bin/clang-18+0x4a38092) llvm#22 0x0000000000fd4e9c cc1_main(llvm::ArrayRef<char const*>, char const*, void*) (/opt/cray/pe/cce/18.0.1/cce-clang/x86_64/bin/clang-18+0xfd4e9c) llvm#23 0x0000000000fcca73 ExecuteCC1Tool(llvm::SmallVectorImpl<char const*>&, llvm::ToolContext const&) driver.cpp:0:0 llvm#24 0x0000000000fd140c clang_main(int, char**, llvm::ToolContext const&) (/opt/cray/pe/cce/18.0.1/cce-clang/x86_64/bin/clang-18+0xfd140c) llvm#25 0x0000000000ee2ef3 main (/opt/cray/pe/cce/18.0.1/cce-clang/x86_64/bin/clang-18+0xee2ef3) llvm#26 0x00007f8e4a10224c __libc_start_main (/lib64/libc.so.6+0x3524c) llvm#27 0x0000000000fcaae9 _start /home/abuild/rpmbuild/BUILD/glibc-2.31/csu/../sysdeps/x86_64/start.S:120:0 clang: error: unable to execute command: Aborted ``` --------- Co-authored-by: Chandra Ghale <ghale@pe31.hpc.amslabs.hpecorp.net>
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During your MLIR Summit presentation, it was brought up that SIL was an inspiration for the AST based approach in CIR. I think it would be nice to mention it.
Also it was nice talking to you both, @bcardosolopes @lanza
Thanks for your work
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