| Issue |
140416
|
| Summary |
[DirectX] Validation: TGSM pointers must originate from an unambiguous TGSM global variable.
|
| Labels |
backend:DirectX
|
| Assignees |
|
| Reporter |
farzonl
|
This bug looks very similar to https://github.com/llvm/llvm-project/issues/139013
## error case:
```bash
../../DXC_DEBUG_BUILD/bin/dxv validation/GemmSmallGemm_Bias_float_b16c32.dat
```
https://github.com/microsoft/DirectXShaderCompiler/blob/adffd31eb02f690d9d1afe86c7fa6f12b4e70aa1/lib/DxilValidation/DxilValidation.cpp#L3541
```gdb
(lldb) expr Ptr
(llvm::BitCastInst *) $0 = 0x000000011e10ff58
(lldb) expr Ptr->dump()
%18 = bitcast [512 x float] addrspace(3)* @aTile.1dim to [512 x float] addrspace(3)*
```
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