[llvm] [ARM] Have custom lowering for ucmp and scmp (PR #149315)

[David Green via llvm-commits]

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@@ -1,151 +1,290 @@
 ; NOTE: Assertions have been autogenerated by utils/update_llc_test_checks.py UTC_ARGS: --version 5
-; RUN: llc -mtriple=thumbv7-apple-darwin %s -o - | FileCheck %s
+; RUN: llc -mtriple=thumbv6m-eabi %s -o - | FileCheck %s -check-prefix=THUMB1
+; RUN: llc -mtriple=thumbv7-apple-darwin %s -o - | FileCheck %s -check-prefix=THUMB2
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davemgreen wrote:

Can you add thumbv8.1m.main-none-eabi tests too. They should have csel/csinc/etc instructions.

https://github.com/llvm/llvm-project/pull/149315