<table border="1" cellspacing="0" cellpadding="8">
<tr>
<th>Issue</th>
<td>
<a href=https://github.com/llvm/llvm-project/issues/112998>112998</a>
</td>
</tr>
<tr>
<th>Summary</th>
<td>
[NVPTX] generated debug info uses features not available in older PTX versions
</td>
</tr>
<tr>
<th>Labels</th>
<td>
new issue
</td>
</tr>
<tr>
<th>Assignees</th>
<td>
</td>
</tr>
<tr>
<th>Reporter</th>
<td>
Artem-B
</td>
</tr>
</table>
<pre>
Reproducer:
```
LLVM_PTXAS_EXECUTABLE=$HOME/local/cuda-11.8.0/bin/ptxas bin/llvm-lit -av $HOME/work/llvm/repo/llvm/test/DebugInfo/NVPTX/dbg-value-const-byref.ll
+ bin/llc -mtriple=nvptx64-nvidia-cuda
+ local/cuda-11.8.0/bin/ptxas -arch=sm_60 -c -
ptxas /tmp/lit-tmp-3piyjb1a/tmpxft_00096c16_00000000-0_stdin, line 91; error : Feature 'Defining labels in .section' requires PTX ISA .version 7.0 or later
ptxas fatal : Ptx assembly aborted due to errors
```
The label ptxas is unhappy about:
```
88 .file 1 "dbg-value-const-byref.c"
89 .section .debug_loc
90 {
91 $L__debug_loc0:
92 .b64 $L__tmp0
93 .b64 $L__tmp1
```
</pre>
<img width="1px" height="1px" alt="" src="http://email.email.llvm.org/o/eJyEVE2PozgQ_TXmUgLZhoRw4JAMjXaknt3WTnbUt8iGIvGssVnbZLr__YqPSaJRr9ZCyNarcr0q3kN4r84GsSSbA9lUkRjDxbpy7wL28SGStn0v_8TB2XZs0JF0T2hF6J5s6frMx-fnb19OL8fX_dfT0-vTp7-O-8PzE0krwrPf_vjyRHitbSM04XUztiJmLNkllPBaKkN4PYQ34WHZa33tY60CxOIK9_Qf1v29ooTXDgd7PwX0gfC6QjmeP5tuQn7_9nJ8Jbxu5Tm-Cj1i3FjjQyzfHXaJ1msT_HCr2kDcB6cGjSStzHUIb9ssNlfVKhFPnO8Z_99JLFxzIWnl-9OWQtxAvGQv6MS4H6aiKsShH-J0UO_fJRML8NaFE6W02DZsO23mFdOTD-1U4hNoZRAKRtIDoHPWAQBJ91CjCKNDIDyvsFNGmTNoIVF7UAYSj01Q1hCeg8N_RuXQw8vxFT5_3UNyReeVNZAnFKwDLQK6R8qdCEKvdV7CGwjvsZf6HYS0LmAL7YgQ7MLHr6P6SCfL-3jBhRos1ysPo7mIYZgvHMN_qQymtdtB0imNAMCAcP7xJ24I549JBfxcPycBSTsJ5qRt8xBY0FsgyQ-PwFQsez6dbln0RnMJ4JDIbbZGhX54JF2kv4DslwajtkzbIi1EhCXLecGLdLPJo0uZc5F3RZaztuVcCpQdp1lGU7brGrmlLFIlpzxjlO14ygqWJzlD2eW7ZpMXO9l0Hcko9kLpZLJLYt05Ut6PWDLGi2IXLRqZ7c-5wR8wo9P4NlXkytmPcjx7klGtfPD3a4IKev5vLG7bVHBGg07MgpimBMp0FkaPHrpFnR6MDSCuQmkhNU7KtLpFN0txVaGPRqfLSwiDnybMa8LrswqXUSaN7e-2n5kNzn7HZrL_TNsTXq99XUv-bwAAAP__EXZ0TQ">