[PATCH] D92398: [AIX][XCOFF] emit traceback table for function in aix

[Matt Morehouse via Phabricator via llvm-commits]

morehouse added inline comments.


================
Comment at: llvm/lib/Target/PowerPC/PPCMachineFunctionInfo.cpp:98
+  if (30 - Bits >= 0)
+    ParameterType |= Type << (30 - Bits);
+}
----------------
This line is causing UBSan errors:  http://lab.llvm.org:8011/#/builders/5/builds/2407/steps/2/logs/stdio
Please fix or revert.

```
FAIL: LLVM :: CodeGen/PowerPC/aix-cc-abi.ll (45237 of 72201)
******************** TEST 'LLVM :: CodeGen/PowerPC/aix-cc-abi.ll' FAILED ********************
...
Exit Code: 2
Command Output (stderr):
--
/b/sanitizer-x86_64-linux-fast/build/llvm-project/llvm/lib/Target/PowerPC/PPCMachineFunctionInfo.cpp:98:27: runtime error: shift exponent 4294967294 is too large for 32-bit type 'int'
```


Repository:
  rG LLVM Github Monorepo

CHANGES SINCE LAST ACTION
  https://reviews.llvm.org/D92398/new/

https://reviews.llvm.org/D92398