scale initializer is shared
#28326

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fix: skip DQ->MatMulNBits fusion when weight/scale initializer is shared #28326

Rishi-Dave wants to merge 2 commits into microsoft:main from Rishi-Dave:rishidave/fix/qdq-matmulnbits-shared-weight

fix: reject DQMatMulToMatMulNBits fusion when weight/scale initialize…

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copilot-pull-request-reviewer commented on 2026-05-03

tianleiwu commented on 2026-05-07

test: add Gemm sibling test for shared-weight guard; address review nits

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