[llvm] Let real function support returning struct #6614
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Using U64 array types and doing pointer conversion is really bad. This prohibits the downstream compiler to do any sort of optimization on this array (because of pointer conversions), and it uses a lot of register space & causes larger spilling issue. |
Yeah, please look at the Possible Improvement section of #6590 , I will compile it into a real struct in the future. |
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# Conflicts: # taichi/codegen/llvm/codegen_llvm.cpp
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/rebase |
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Rebase failed, please resolve the conflicts manually. |
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Constructed the result buffer directly into a |
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Issue: taichi-dev#4401, taichi-dev#6614 Co-authored-by: pre-commit-ci[bot] <66853113+pre-commit-ci[bot]@users.noreply.github.com>
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Issue: taichi-dev#602 taichi-dev#6590 ### Brief Summary Only supports scalar struct (every element in the struct is a scalar) for now. This PR does the following things: 1. Let `FuncCallStmt` return the `real_func_ret_struct *` result buffer instead of returning the return value directly. 2. Add `GetElementStmt` and `GetElementExpression` to get the i-th return value in a result buffer 3. Add `StructType.from_real_func_ret` to construct the returned struct to the `StructType` in Python Will add support for nested struct and matrix in struct in the following PRs. Co-authored-by: pre-commit-ci[bot] <66853113+pre-commit-ci[bot]@users.noreply.github.com>
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Issue: taichi-dev#4401, taichi-dev#6614 Co-authored-by: pre-commit-ci[bot] <66853113+pre-commit-ci[bot]@users.noreply.github.com>
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Issue: #602 #6590
Brief Summary
Only supports scalar struct (every element in the struct is a scalar) for now.
This PR does the following things:
FuncCallStmtreturn thereal_func_ret_struct *result buffer instead of returning the return value directly.GetElementStmtandGetElementExpressionto get the i-th return value in a result bufferStructType.from_real_func_retto construct the returned struct to theStructTypein PythonWill add support for nested struct and matrix in struct in the following PRs.