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Issues list

Missed folding memset(len) to memset(len + 1) of zeros llvm:optimizations missed-optimization
#141160 opened May 22, 2025 by BreadTom
DSEPass incorrectly eliminates store to captured (and later read) pointer llvm:optimizations question A question, not bug report. Check out https://llvm.org/docs/GettingInvolved.html instead! undefined behaviour
#140997 opened May 22, 2025 by mhjacobson
13
[clang] Assertion `NewRange.getLower().slt(NewRange.getUpper())' failed. crash Prefer [crash-on-valid] or [crash-on-invalid] llvm:optimizations regression:20 Regression in 20 release
#140345 opened May 17, 2025 by k-arrows
1
[AMDGPU] Use reverse iteration in CGP backend:AMDGPU llvm:optimizations
#140219 opened May 16, 2025 by Pierre-vh
@Pierre-vh
1
Missed constant folding through control flow llvm:instcombine llvm:optimizations missed-optimization
#140025 opened May 15, 2025 by GINN-Imp
@houngkoungting
7
Missed DCE for __builtin_{clzg,ctzg} when bitshift llvm:optimizations missed-optimization
#139944 opened May 14, 2025 by BreadTom
Easiest way to force inline every function other than entry? (LLVM12) llvm:optimizations question A question, not bug report. Check out https://llvm.org/docs/GettingInvolved.html instead!
#139831 opened May 14, 2025 by alexthomasv
[missed optimization] pushq/popq preamble with -fomit-frame-pointer if __builtin_frame_address is called llvm:optimizations missed-optimization
#139806 opened May 13, 2025 by chrooti
Missed optimization: trunc not de-duplicated llvm:optimizations missed-optimization
#139732 opened May 13, 2025 by Mark-Simulacrum
Crash in SROA when using single-element vectors crash Prefer [crash-on-valid] or [crash-on-invalid] llvm:optimizations
#139718 opened May 13, 2025 by mshelego
Missed optimization: Redundant loop retained after memset idiom recognized llvm:optimizations missed-optimization
#139538 opened May 12, 2025 by GINN-Imp
[Clang] optimization: clang does not know memcpy returns its first arg llvm:optimizations missed-optimization
#139240 opened May 9, 2025 by rockeet
1
Potential Missed IPSCCP Optimization Due to Range Metadata llvm:optimizations
#139238 opened May 9, 2025 by GINN-Imp
EarlyCSE misses redundant load elimination from base pointer, but succeeds when the pointer has a non-zero offset llvm:optimizations missed-optimization
#138678 opened May 6, 2025 by GINN-Imp
3
Optimization pass to improve performance of interpreters, and other recursive programs llvm:optimizations
#138465 opened May 4, 2025 by the-ssd
4
[MemCpyOpt or GVN] Load source from memcpy llvm:optimizations missed-optimization
#137810 opened Apr 29, 2025 by dianqk
2
@dianqk
Missed optimization: Switch on truncated select result not folded for certain constants llvm:optimizations missed-optimization
#137557 opened Apr 27, 2025 by aris-bb
Missed GEP Optimization for Constant Index llvm:optimizations missed-optimization
#137168 opened Apr 24, 2025 by GINN-Imp
1
File extremely slow to compile debuginfo llvm:optimizations slow-compile
#136635 opened Apr 22, 2025 by jcelerier
7
[AArch64] clz on u8/u16 unnecessarily zero-extended to u32 backend:AArch64 llvm:optimizations missed-optimization
#136516 opened Apr 20, 2025 by Kmeakin
2
[LSR] Regression in array access with constant stride llvm:optimizations
#136498 opened Apr 20, 2025 by abdimoallim
1
Windows clang-cl.exe 19.1.1 crash c++20 confirmed Verified by a second party coroutines C++20 coroutines crash Prefer [crash-on-valid] or [crash-on-invalid] llvm:optimizations platform:windows
#136481 opened Apr 20, 2025 by MiguelBarro
8
two-instruction pass actually worsens codegen llvm:optimizations
#135829 opened Apr 15, 2025 by AZero13
3
[LLVM] APInt::tcAdd has quiet poor codegen. backend:X86 llvm:optimizations llvm:SelectionDAG SelectionDAGISel as well missed-optimization
#135486 opened Apr 12, 2025 by Ralender
3
Open source app [actor-framework-0.19.6] detail.group_tunnel,detail.local_group_module & mixin.sender tests failing with clang when using -fvirtual-function-elimination -fvisibility=hidden llvm:optimizations
#135159 opened Apr 10, 2025 by deep067
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