Issues

• Missed optimization: fold string/memory libcalls over selected constant pointer domains

  good first issueneed_more_evidence
  ParkHanbum/mystudy#11 · Filter by author ParkHanbum opened on Jul 5, 2026

• InstCombine: fold comparison of shl result with original operand

  good first issueneed_more_evidence
  ParkHanbum/mystudy#10 · Filter by author ParkHanbum opened on Jul 4, 2026

• Missed optimization: remap sadd.sat(x, C) constant compares to input-side checks

  good first issue
  ParkHanbum/mystudy#9 · Filter by author ParkHanbum opened on Jul 3, 2026

• Missed optimization: fold uadd.sat(x, C) - C to umin(x, umax - C)

  ParkHanbum/mystudy#8 · Filter by author ParkHanbum opened on Jul 3, 2026

• Missed canonicalization: shared-use urem(x, C) compared with x when x - urem(x, C) already exists

  good first issueneed_more_evidence
  ParkHanbum/mystudy#7 · Filter by author ParkHanbum opened on Jul 3, 2026

• Missed optimization: fold compare-only srem(x, C) vs x to signed range checks

  good first issueneed_more_evidence
  ParkHanbum/mystudy#6 · Filter by author ParkHanbum opened on Jul 3, 2026

• Missed optimization: fold strcmp zero-comparisons over selected constant string domains

  need_more_evidence
  ParkHanbum/mystudy#5 · Filter by author ParkHanbum opened on Jul 2, 2026

• Missed optimization: fold strlen over selected constant strings feeding inlined std::string copy

  good first issue
  ParkHanbum/mystudy#4 · Filter by author ParkHanbum opened on Jul 2, 2026
  1

• Investigation summary: std::vector::push_back reallocation and redundant zero-size allocation path

  documentation
  ParkHanbum/mystudy#3 · Filter by author ParkHanbum opened on Jun 28, 2026

• Missed xor(zext(or disjoint X, C1), C2) constant fold

  good first issueneed_more_evidence
  ParkHanbum/mystudy#2 · Filter by author ParkHanbum opened on Jun 27, 2026