Lin Jiang

[ci] Delete old offline cache before running release test

1

Related issue = #4401 The release test seems to be using the offline cache of previous jobs on Windows and M1.

[WIP] [llvm] [refactor] Split module in LLVM backend

1

Related issue = #5511

**Describe the bug** https://github.com/taichi-dev/taichi/blob/eb0ab1cafea582f979578a2c104cc3a90688f168/.github/workflows/scripts/unix_test.sh#L62 We should remove the "!" here.

default_ip=ti.i64 doesn't work with if

5

**To Reproduce** ```py import taichi as ti ti.init(default_ip=ti.i64) @ti.kernel def test_kernel(): stop = 0 if stop: stop = 1 test_kernel() ``` **Log/Screenshots** ``` [Taichi] version 1.0.5, llvm 10.0.0, commit 40712d7d,...

**Concisely describe the proposed feature** As described in #5282, the compilation of Taichi kernel becomes slow when there are many SNodeTrees. After profiling, we found that the process of cloning...

[llvm] Add comment about the structure of the CodeGen

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Issue: #5511 ### Brief Summary

Eliminate namespace macros

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**Concisely describe the proposed feature** Currently we have macros `TLANG_NAMESPACE_BEGIN/END` which are equivalent to `namespace taichi::lang {}`. The macros may confuse the first-time readers so let's change it to `namespace...