[llvm] [GlobalIsel] Add G_SCMP and G_UCMP instructions (PR #98894)

[Thorsten Schütt via llvm-commits]

================
@@ -1,4 +1,5 @@
-# RUN: not --crash llc -verify-machineinstrs -run-pass none -o /dev/null %s 2>&1 | FileCheck %s
+# RUN: not --crash llc -verify-machineinstrs -mtriple=arm64 -run-pass none -o /dev/null %s 2>&1 | FileCheck %s
+# REQUIRES: aarch64-registered-target
----------------
tschuett wrote:

I got:
```
llvm-project2/bin/llc: error: unable to get target for '', see --version and --triple
```


https://github.com/llvm/llvm-project/pull/98894