[clang] [llvm] [mlir] [NVPTX] Add support for Shared Cluster Memory address space [1/2] (PR #135444)

[LLVM Continuous Integration via llvm-commits]

llvm-ci wrote:

LLVM Buildbot has detected a new failure on builder `llvm-nvptx64-nvidia-ubuntu` running on `as-builder-7` while building `clang,llvm` at step 6 "test-build-unified-tree-check-llvm".

Full details are available at: https://lab.llvm.org/buildbot/#/builders/160/builds/16726

<details>
<summary>Here is the relevant piece of the build log for the reference</summary>

```
Step 6 (test-build-unified-tree-check-llvm) failure: test (failure)
******************** TEST 'LLVM :: CodeGen/NVPTX/addrspacecast-ptx64.ll' FAILED ********************
Exit Code: 255

Command Output (stderr):
--
/home/buildbot/worker/as-builder-7/ramdisk/llvm-nvptx64-nvidia-ubuntu/build/bin/llc -O0 < /home/buildbot/worker/as-builder-7/ramdisk/llvm-nvptx64-nvidia-ubuntu/llvm-project/llvm/test/CodeGen/NVPTX/addrspacecast-ptx64.ll -mtriple=nvptx64 -mcpu=sm_90 -mattr=+ptx78 | /home/buildbot/worker/as-builder-7/ramdisk/llvm-nvptx64-nvidia-ubuntu/build/bin/FileCheck /home/buildbot/worker/as-builder-7/ramdisk/llvm-nvptx64-nvidia-ubuntu/llvm-project/llvm/test/CodeGen/NVPTX/addrspacecast-ptx64.ll -check-prefixes=NOPTRCONV # RUN: at line 2
+ /home/buildbot/worker/as-builder-7/ramdisk/llvm-nvptx64-nvidia-ubuntu/build/bin/llc -O0 -mtriple=nvptx64 -mcpu=sm_90 -mattr=+ptx78
+ /home/buildbot/worker/as-builder-7/ramdisk/llvm-nvptx64-nvidia-ubuntu/build/bin/FileCheck /home/buildbot/worker/as-builder-7/ramdisk/llvm-nvptx64-nvidia-ubuntu/llvm-project/llvm/test/CodeGen/NVPTX/addrspacecast-ptx64.ll -check-prefixes=NOPTRCONV
/home/buildbot/worker/as-builder-7/ramdisk/llvm-nvptx64-nvidia-ubuntu/build/bin/llc -O0 < /home/buildbot/worker/as-builder-7/ramdisk/llvm-nvptx64-nvidia-ubuntu/llvm-project/llvm/test/CodeGen/NVPTX/addrspacecast-ptx64.ll -mtriple=nvptx64 -mcpu=sm_90 -mattr=+ptx78 --nvptx-short-ptr | /home/buildbot/worker/as-builder-7/ramdisk/llvm-nvptx64-nvidia-ubuntu/build/bin/FileCheck /home/buildbot/worker/as-builder-7/ramdisk/llvm-nvptx64-nvidia-ubuntu/llvm-project/llvm/test/CodeGen/NVPTX/addrspacecast-ptx64.ll -check-prefixes=PTRCONV # RUN: at line 3
+ /home/buildbot/worker/as-builder-7/ramdisk/llvm-nvptx64-nvidia-ubuntu/build/bin/llc -O0 -mtriple=nvptx64 -mcpu=sm_90 -mattr=+ptx78 --nvptx-short-ptr
+ /home/buildbot/worker/as-builder-7/ramdisk/llvm-nvptx64-nvidia-ubuntu/build/bin/FileCheck /home/buildbot/worker/as-builder-7/ramdisk/llvm-nvptx64-nvidia-ubuntu/llvm-project/llvm/test/CodeGen/NVPTX/addrspacecast-ptx64.ll -check-prefixes=PTRCONV
/home/buildbot/worker/as-builder-7/ramdisk/llvm-nvptx64-nvidia-ubuntu/build/bin/llc -O0 < /home/buildbot/worker/as-builder-7/ramdisk/llvm-nvptx64-nvidia-ubuntu/llvm-project/llvm/test/CodeGen/NVPTX/addrspacecast-ptx64.ll -mtriple=nvptx64 -mcpu=sm_90 -mattr=+ptx78 | /usr/local/cuda/bin/ptxas -arch=sm_60 -c - # RUN: at line 4
+ /home/buildbot/worker/as-builder-7/ramdisk/llvm-nvptx64-nvidia-ubuntu/build/bin/llc -O0 -mtriple=nvptx64 -mcpu=sm_90 -mattr=+ptx78
+ /usr/local/cuda/bin/ptxas -arch=sm_60 -c -
ptxas fatal   : SM version specified by .target is higher than default SM version assumed

--

********************


```

</details>

https://github.com/llvm/llvm-project/pull/135444