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clang crashes on valid code at -O3 on x86_64-linux-gnu: Segmentation fault

crashPrefer [crash-on-valid] or [crash-on-invalid]Prefer [crash-on-valid] or [crash-on-invalid]

loopoptim

Status: Open.

Bug

#139308 In llvm/llvm-project;

· zhendongsu opened on May 9, 2025

Loop unrolling confuses __builtin_dynamic_object_size() and __builtin_constant_p()

loopoptim

Status: Open.

#136603 In llvm/llvm-project;

· kees opened on Apr 21, 2025

Fix Loop Transformations to Preserve Block Frequencies

llvmUmbrella label for LLVM issuesUmbrella label for LLVM issues

loopoptim

Status: Open.

Bug

#135812 In llvm/llvm-project;

· jdenny-ornl opened on Apr 15, 2025

[LSR] Seemingly incorrect folding

llvm:optimizations

loopoptim

Status: Open.

#134305 In llvm/llvm-project;

· ashermancinelli opened on Apr 3, 2025

64bit loop variable on 32bit may be optimized

clang:codegenIR generation bugs: mangling, exceptions, etc.IR generation bugs: mangling, exceptions, etc.

loopoptim

missed-optimization

Status: Open.

#133373 In llvm/llvm-project;

· wzssyqa opened on Mar 28, 2025

[RISCV] The assignment within the loop was not successful.

backend:RISC-V

loopoptim

Status: Open.

#132683 In llvm/llvm-project;

· shawn-xc opened on Mar 24, 2025

[LoopInterchange] Cost model more dedicated to vectorization

loopoptim

Status: Open.

#131130 In llvm/llvm-project;

· kasuga-fj opened on Mar 13, 2025

[LV] Inefficient gather/scatter address calculation for strided access

loopoptim

missed-optimization

Status: Open.

#129474 In llvm/llvm-project;

· kinoshita-fj opened on Mar 3, 2025

[Clang] Optimization LoopFuse.cpp crashes on valid LLVM IR. Assertion `!verifyFunction(*FC0.Header->getParent(), &errs())' failed.

crashPrefer [crash-on-valid] or [crash-on-invalid]Prefer [crash-on-valid] or [crash-on-invalid]

loopoptim

Status: Open.

Bug

#128600 In llvm/llvm-project;

· zitongzhoueric opened on Feb 24, 2025

【opt】incorrect output dependence in loop interchange pass

loopoptim

missed-optimization

Status: Open.

#127176 In llvm/llvm-project;

· shanksjoe opened on Feb 14, 2025

[clang++] Loop vectorization not happening in outlined lambda function

clang:codegenIR generation bugs: mangling, exceptions, etc.IR generation bugs: mangling, exceptions, etc.

loopoptim

TBAAType-Based Alias Analysis / Strict AliasingType-Based Alias Analysis / Strict Aliasing

vectorization

Status: Open.

#124105 In llvm/llvm-project;

· kavitha-natarajan opened on Jan 23, 2025

Failure to fuse adjacent loops

loopoptim

missed-optimization

Status: Open.

#117938 In llvm/llvm-project;

· Kmeakin opened on Nov 27, 2024