<table border="1" cellspacing="0" cellpadding="8">
<tr>
<th>Issue</th>
<td>
<a href=https://github.com/llvm/llvm-project/issues/88936>88936</a>
</td>
</tr>
<tr>
<th>Summary</th>
<td>
[SPIR-V] error: backend data layout does not match expected target description
</td>
</tr>
<tr>
<th>Labels</th>
<td>
backend:SPIR-V,
SPIR-V
</td>
</tr>
<tr>
<th>Assignees</th>
<td>
</td>
</tr>
<tr>
<th>Reporter</th>
<td>
Keenuts
</td>
</tr>
</table>
<pre>
A recent PR (https://github.com/llvm/llvm-project/pull/88455) fixed the address space for the SPIR-V targets.
As a result, we get an error when using clang (at least tried with the DXC driver).
Not sure why yet.
```hlsl
[numthreads(1, 1, 1)]
void main() {}
```
```
[user@lvm-project]$ ./build/bin/clang --driver-mode=dxc -T cs_6_0 -spirv -fspv-target-env=vulkan1.3 repro.hlsl
OpCapability Shader
[...]
OpFunctionEnd
; -- End function
error: backend data layout 'e-i64:64-v16:16-v24:32-v32:32-v48:64-v96:128-v192:256-v256:256-v512:512-v1024:1024-G1' does not match expected target description 'e-i64:64-v16:16-v24:32-v32:32-v48:64-v96:128-v192:256-v256:256-v512:512-v1024:1024'
```
</pre>
<img width="1px" height="1px" alt="" src="http://email.email.llvm.org/o/eJy8VE2P3DYP_jX0hZBh0d8HH2bXmRcvCrRBUhS9BbJFj9VobEOSvTv_vrBndhMERdFeCgxEzUOa5ENSVN6by8TcQP4EeRupNYyza35intbgo27Wt-aEjnueAn78hEDVGMLiIT0BnYHOFxPGtYv7-Qp0tnZ7E2Jx8x_cB6DzsloLdK6qLM-BahzMK2sMI6PS2rH36BfVMw6zO9DPH___SfyGQbkLBx9D0kJyOnlU6NivNgA94wvjhQOqCdm52eHLyBOu3kwX7K2aLnuiKqBl5QMGZ1jjiwnj4b_9_Rm1Mxs7oPrh_uc5oF8d48t4wxuHB_w4i-T-G623Dyh_mtZrGB0r7YEquSf1dtSQt3ezbTYar8pMQNVOHconKNsfvP5lqPcwq2cHWfJ9SfMWKMMY6Nytxupd7hHOd-ZC3MmJ66wZ0la_9ih-xd5_Kb4kKPxi3IZi8Msm7iUWPG2Qtttqv6pJxik6Xtwcf0c2qX9ZntWiOmNNuOHnUWl27xnGcfxO-DA9r1MfzDx9mPQdRUifUAj8MGkcHsq75ugepCfsVP-VJ41aBYVW3eY1IFDJwhQZpKciE5ssID3JQmy0IymJLaXHJaseNvVhQ5XYZL0rKd_t8-LtmssdzSWJTSaHn12I_0mgEvXMHqc54FWFfkR-XbgP-6geZULNvndm2ZP_71IDKn-YjEg3qa7TWkXcyFKmVFUyKaOxyRJVyaEcyiLJsyLvlCrKoU6zYZCqGPI6Mg0llCWZLGRJMivjuuykHCijrJOdqiVkCV-VsfH-guPZXSLj_cpNVdVpEVnVsfXHpiB69AvS0_25AhHQMxB9-5u3kWuOXdCtF7_PsPHBf_MdTLDH4nl8krf4t-Pwz9sTrc42_3pPHVz9sanqtPgzAAD__w1LgDM">