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minor fix_assign_hazard improvement [pr] (#14949)

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target.base cannot be s if s.op is a movement
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chenyu
2026-02-21 21:21:28 -05:00
committed by GitHub
parent 24e8919438
commit ccfd878e0f
1 changed files with 1 additions and 1 deletions
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tinygrad/schedule/rangeify.py
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@@ -36,7 +36,7 @@ pm_mops = PatternMatcher([
def fix_assign_hazard(assign:UOp, target:UOp, src:UOp):
# PERMUTE and FLIP reorder indices, SHRINK can have overlapping regions when dest is also shrunk
unsafe = {Ops.PERMUTE, Ops.FLIP} | ({Ops.SHRINK} if target.op_in_backward_slice_with_self(Ops.SHRINK) else set())
if any(s.op in unsafe and target.base in s.backward_slice_with_self for s in src.toposort(gate=lambda s:s.op not in ALWAYS_CONTIGUOUS)):
if any(s.op in unsafe and target.base in s.backward_slice for s in src.toposort(gate=lambda s:s.op not in ALWAYS_CONTIGUOUS)):
return assign.replace(src=(target, src.contiguous()))
def normalize_assign_target_chain(assign:UOp, target:UOp, src:UOp):