[llvm] [SCCP] Refine trunc with nsw/nuw flags (PR #87926)

[Nikita Popov via llvm-commits]

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@@ -0,0 +1,179 @@
+; NOTE: Assertions have been autogenerated by utils/update_test_checks.py UTC_ARGS: --version 4
+; RUN: opt -passes=ipsccp -S %s | FileCheck %s
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nikic wrote:

We usually use IPSCCP in tests because it uses PredicateInfo, while plain SCCP currently doesn't.

https://github.com/llvm/llvm-project/pull/87926