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

[Nikita Popov via llvm-commits]

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@@ -0,0 +1,263 @@
+; NOTE: Assertions have been autogenerated by utils/update_test_checks.py UTC_ARGS: --version 5
+; RUN: opt < %s -passes=aggressive-instcombine -mtriple=x86_64 -S | FileCheck %s
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nikic wrote:

```suggestion
; RUN: opt < %s -passes=aggressive-instcombine -S | FileCheck %s
```
Please add an appropriate data layout instead, something like `target datalayout = "n:32:16:8"` probably works.

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