[TIR] ConvertSSA process entry func first #16236
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tqchen
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Dec 14, 2023
Lunderberg
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Dec 15, 2023
The buf reported in apache#16237 can be resolved by tracking variable usage in a thread extent.
Lunderberg
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Dec 18, 2023
The buf reported in apache#16237 can be resolved by tracking variable usage in a thread extent.
Lunderberg
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* [TIR] In SplitHostDevice, check for variables in thread extents Otherwise, they would be undefined after being de-duplicated by `ConvertSSA`. * Revert #16236 The buf reported in #16237 can be resolved by tracking variable usage in a thread extent. * lint fixes * Update TIR well-formed checker for env thread SSA requirements Environment threads must reuse the same `tir::Var` across all `AttrStmt` instances in a `PrimFunc`, but must not reuse across separate `PrimFunc`s in an `IRModule`. * Update ConvertSSA to handle environment threads' SSA requirements * lint fix * Updated docstrings for VerifyWellFormed * Rely on script.Complete for read/writes Avoids issue in cortexm unit tests resulting from read/write annotations being present in the root block, followed by application of BindParams. * Typo fix * Added structural equal comparison in unit test
junrushao
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Jan 7, 2024
…he#16250) * [TIR] In SplitHostDevice, check for variables in thread extents Otherwise, they would be undefined after being de-duplicated by `ConvertSSA`. * Revert apache#16236 The buf reported in apache#16237 can be resolved by tracking variable usage in a thread extent. * lint fixes * Update TIR well-formed checker for env thread SSA requirements Environment threads must reuse the same `tir::Var` across all `AttrStmt` instances in a `PrimFunc`, but must not reuse across separate `PrimFunc`s in an `IRModule`. * Update ConvertSSA to handle environment threads' SSA requirements * lint fix * Updated docstrings for VerifyWellFormed * Rely on script.Complete for read/writes Avoids issue in cortexm unit tests resulting from read/write annotations being present in the root block, followed by application of BindParams. * Typo fix * Added structural equal comparison in unit test
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ConvertSSA is called in SplitHostDevice. The vars which only exists in T.launch_thread extent in device function must be the same as host function, so we need to let ConvertSSA process host function first to avoid var redefine.