| Issue |
160387
|
| Summary |
[CIR] Upstream TBAA handling
|
| Labels |
ClangIR
|
| Assignees |
|
| Reporter |
andykaylor
|
### Overview
Upstream support for generating TBAA attributes and lowering to TBAA metadata in LLVM IR.
We should carefully consider how we can reuse/share the classic codegen implementation for generating TBAA metadata.
### Suggested minimal test case
```
// Compile with -O1
void test_int(int *a) {
a = 1;
}
```
### Existing incubator tests
clang/test/CIR/CodeGen/tbaa-bitinit.c
clang/test/CIR/CodeGen/tbaa-enum.c
clang/test/CIR/CodeGen/tbaa-enum.cpp
clang/test/CIR/CodeGen/tbaa-pointer.cpp
clang/test/CIR/CodeGen/tbaa-scalar.c
clang/test/CIR/CodeGen/tbaa-struct.cpp
clang/test/CIR/CodeGen/tbaa-union.cpp
clang/test/CIR/CodeGen/tbaa-vptr.cpp
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