[lit][aix] Always use internal lit shell on AIX

[dpaoliello]

Diff on AIX doesn't have all the required features used in tests (see #108871 and #112997 (comment)), so always use the internal shell.

[llvmbot]

@llvm/pr-subscribers-testing-tools

Author: Daniel Paoliello (dpaoliello)

Changes

Diff on AIX doesn't have all the required features used in tests (see <#108871> and <#112997 (comment)>), so always use the internal shell.

---

Full diff: https://github.com/llvm/llvm-project/pull/113355.diff

1 Files Affected:

• (modified) llvm/utils/lit/lit/llvm/config.py (+7)

diff --git a/llvm/utils/lit/lit/llvm/config.py b/llvm/utils/lit/lit/llvm/config.py
index 5f762ec7f3514a..1ef5796cd32e44 100644
--- a/llvm/utils/lit/lit/llvm/config.py
+++ b/llvm/utils/lit/lit/llvm/config.py
@@ -57,6 +57,13 @@ def __init__(self, lit_config, config):
                 self.lit_config.note("using lit tools: {}".format(path))
                 lit_path_displayed = True
 
+        if platform.system() == "AIX":
+            # Diff on AIX doesn't have all the required features (see
+            # https://github.com/llvm/llvm-project/pull/108871 and
+            # https://github.com/llvm/llvm-project/pull/112997#issuecomment-2429656192)
+            # so always use the internal shell.
+            self.use_lit_shell = True
+
         if platform.system() == "OS/390":
             self.with_environment("_BPXK_AUTOCVT", "ON")
             self.with_environment("_TAG_REDIR_IN", "TXT")

[abhina-sree]

LGTM

[daltenty]

LGTM