[llvm] [NFC] add a pre-commit test case for patch #127121 that hoists xxsplitib out of loop (PR #127701)

[Lei Huang via llvm-commits]

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@@ -0,0 +1,183 @@
+;; Test hoisting `xxspltib` out of the loop.
+
+; RUN: llc -verify-machineinstrs -mtriple powerpc64-ibm-aix-xcoff --mcpu=pwr10 \
+; RUN:   %s -o - 2>&1 | FileCheck --check-prefix=AIX64 %s
+
+; RUN: llc -verify-machineinstrs -mtriple powerpc-ibm-aix-xcoff --mcpu=pwr10 \
+; RUN:   %s -o - 2>&1 | FileCheck --check-prefix=AIX32 %s
+
+; RUN: llc -verify-machineinstrs -mtriple powerpc-ibn-linux --mcpu=pwr10 \
----------------
lei137 wrote:

typo?
```
 -mtriple=powerpc64le-unknown-linux-gnu
```

https://github.com/llvm/llvm-project/pull/127701