[llvm] [ValueTracking] Improve KnownBits for signed min-max clamping (PR #120576)

[Yingwei Zheng via llvm-commits]

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@@ -0,0 +1,174 @@
+; RUN: opt < %s -passes=aggressive-instcombine -mtriple=x86_64 -S | FileCheck %s
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dtcxzyw wrote:

Please use `llvm/utils/update_test_checks.py`. See also https://llvm.org/docs/InstCombineContributorGuide.html#use-update-test-checks-py.

https://github.com/llvm/llvm-project/pull/120576