[llvm] Use getSignedTargetConstant for offset (PR #141149)

[Amy Kwan via llvm-commits]

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@@ -0,0 +1,33 @@
+; NOTE: Assertions have been autogenerated by utils/update_llc_test_checks.py UTC_ARGS: --version 5
+; RUN: llc -verify-machineinstrs < %s -mcpu=ppc -mtriple powerpc-ibm-aix-xcoff | FileCheck %s
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amy-kwan wrote:

Do we also care to test 64-bit? 

https://github.com/llvm/llvm-project/pull/141149