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[RISCV] Crash at -O2: Assertion `isa<To>(Val) && "cast<Ty>() argument of incompatible type!"' failed.

backend:RISC-V

crash-on-valid

llvm:instcombineCovers the InstCombine, InstSimplify and AggressiveInstCombine passesCovers the InstCombine, InstSimplify and AggressiveInstCombine passes

regression

Status: Open.

Bug

#170259 In llvm/llvm-project;

· cardigan1008 opened on Dec 2, 2025

[VPlan] Explicitly unoll replicate-regions without live-outs by VF.

backend:RISC-V

backend:SystemZ

llvm:transforms

vectorizers

Status: Open (in progress).

llvm/llvm-projectnumber 170212

#170212 In llvm/llvm-project;

· fhahn opened on Dec 1, 2025

[LV][NFC] Remove unnecessary multiply in expandVPWidenIntOrFpInduction

backend:RISC-V

llvm:transforms

vectorizers

Status: Open (in progress).

llvm/llvm-projectnumber 170159

#170159 In llvm/llvm-project;

· david-arm opened on Dec 1, 2025

Issues found PVS studio static analyzer. RISCVCustomBehaviour.cpp

backend:RISC-V

code-quality

Status: Open.

#170118 In llvm/llvm-project;

· Seraphimt opened on Dec 1, 2025

[SelectionDAG] Lowering usub.sat(a, 1) to a - (a != 0)

backend:AArch64

backend:RISC-V

llvm:SelectionDAGSelectionDAGISel as wellSelectionDAGISel as well

Status: Open (in progress).

llvm/llvm-projectnumber 170076

#170076 In llvm/llvm-project;

· rez5427 opened on Dec 1, 2025

[RISCV][llvm] Support PSLL codegen for P extension

backend:RISC-V

Status: Open (in progress).

llvm/llvm-projectnumber 170074

#170074 In llvm/llvm-project;

· 4vtomat opened on Dec 1, 2025

[RISCV] Sources of vmerge shouldn't overlap V0

backend:RISC-V

llvm:globalisel

Status: Open (in progress).

llvm/llvm-projectnumber 170070

#170070 In llvm/llvm-project;

· wangpc-pp opened on Dec 1, 2025

[VPlan] Replicate VPScalarIVStepsRecipe by VF outside replicate regions.

backend:RISC-V

backend:SystemZ

llvm:transforms

vectorizers

Status: Open (in progress).

llvm/llvm-projectnumber 170053

#170053 In llvm/llvm-project;

· fhahn opened on Nov 30, 2025

[llvm-exegesis] Make rvv/filter.test deterministic

backend:RISC-V

tools:llvm-exegesis

Status: Open (in progress).

llvm/llvm-projectnumber 170014

#170014 In llvm/llvm-project;

· boomanaiden154 opened on Nov 29, 2025

[RISCV] Update SpacemiT-X60 vector load/stores

backend:RISC-V

Status: Open (in progress).

llvm/llvm-projectnumber 169936

#169936 In llvm/llvm-project;

· mikhailramalho opened on Nov 28, 2025

GlobalISel: Stop using TPC to check if GlobalISelAbort is enabled

backend:RISC-V

llvm:globalisel

Status: Open (in progress).

llvm/llvm-projectnumber 169917

#169917 In llvm/llvm-project;

· petar-avramovic opened on Nov 28, 2025

[RISCV] Wrong register allocation for vmerge.vvm

backend:RISC-V

llvm:regalloc

Status: Open.

Bug

#169905 In llvm/llvm-project;

· wangpc-pp opened on Nov 28, 2025

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LLVM 21.x Release