yzhliu commented on issue #4486: [Arith] Bound for Shape Variables URL: https://github.com/apache/incubator-tvm/pull/4486#issuecomment-569344790 @tqchen do you have any idea why this is failing (I cannot reproduce locally, and seems to be flaky) https://ci.tvm.ai/blue/organizations/jenkins/tvm/detail/PR-4486/13/pipeline#step-112-log-519 The generated IR is different, but both should be correct. This PR: ``` produce T_divide { parallel (ax0.ax1.fused, 0, (tvm_assert_bound(n0, 0, n0)*tvm_assert_bound(n1, 0, n1))) { for (ax2, 0, tvm_assert_bound(n2, 0, n2)) { for (ax3, 0, tvm_assert_bound(n3, 0, n3)) { if (((ax0.ax1.fused/tvm_assert_bound(n1, 0, n1)) < tvm_assert_bound(n0, 0, n0))) { if ((0 <= (ax0.ax1.fused % tvm_assert_bound(n1, 0, n1)))) { if (((ax0.ax1.fused % tvm_assert_bound(n1, 0, n1)) < tvm_assert_bound(n1, 0, n1))) { T_divide[(((((ax0.ax1.fused/tvm_assert_bound(n1, 0, n1))*stride) + ((ax0.ax1.fused % tvm_assert_bound(n1, 0, n1))*stride)) + (ax2*stride)) + (ax3*stride))] = (A[(((((ax0.ax1.fused/tvm_assert_bound(n1, 0, n1))*stride) + ((ax0.ax1.fused % tvm_assert_bound(n1, 0, n1))*stride)) + (ax2*stride)) + (ax3*stride))]/float32(k)) } } } } } } } ``` previously: ``` produce T_divide { parallel (ax0.ax1.fused, 0, (n0*n1)) { for (ax2, 0, n2) { for (ax3, 0, n3) { if ((0 <= select((((n1 >= 0) && ((ax0.ax1.fused % n1) >= 0)) || ((n1 < 0) && ((ax0.ax1.fused % n1) <= 0))), (ax0.ax1.fused/n1), ((ax0.ax1.fused/n1) - 1)))) { if ((select((((n1 >= 0) && ((ax0.ax1.fused % n1) >= 0)) || ((n1 < 0) && ((ax0.ax1.fused % n1) <= 0))), (ax0.ax1.fused/n1), ((ax0.ax1.fused/n1) - 1)) < n0)) { if ((0 <= select((((n1 >= 0) && ((ax0.ax1.fused % n1) >= 0)) || ((n1 < 0) && ((ax0.ax1.fused % n1) <= 0))), (ax0.ax1.fused % n1), ((ax0.ax1.fused % n1) + n1)))) { if ((select((((n1 >= 0) && ((ax0.ax1.fused % n1) >= 0)) || ((n1 < 0) && ((ax0.ax1.fused % n1) <= 0))), (ax0.ax1.fused % n1), ((ax0.ax1.fused % n1) + n1)) < n1)) { T_divide[((((select((((n1 >= 0) && ((ax0.ax1.fused % n1) >= 0)) || ((n1 < 0) && ((ax0.ax1.fused % n1) <= 0))), (ax0.ax1.fused/n1), ((ax0.ax1.fused/n1) - 1))*stride) + (select((((n1 >= 0) && ((ax0.ax1.fused % n1) >= 0)) || ((n1 < 0) && ((ax0.ax1.fused % n1) <= 0))), (ax0.ax1.fused % n1), ((ax0.ax1.fused % n1) + n1))*stride)) + (ax2*stride)) + (ax3*stride))] = (A[((((select((((n1 >= 0) && ((ax0.ax1.fused % n1) >= 0)) || ((n1 < 0) && ((ax0.ax1.fused % n1) <= 0))), (ax0.ax1.fused/n1), ((ax0.ax1.fused/n1) - 1))*stride) + (select((((n1 >= 0) && ((ax0.ax1.fused % n1) >= 0)) || ((n1 < 0) && ((ax0.ax1.fused % n1) <= 0))), (ax0.ax1.fused % n1), ((ax0.ax1.fused % n1) + n1))*stride)) + (ax2*stride)) + (ax3*stride))]/float32(k)) } } } } } } } } ```
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