[llvm] [clang] [Instcombine] use zext's nneg flag for icmp folding (PR #70845)

[Yingwei Zheng via cfe-commits]

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+; RUN: opt < %s --O3 -S | FileCheck %s
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dtcxzyw wrote:

My command: `bin/opt -S -O3 -print-changed min_max.ll`
Then I got IR after the SROA pass :)


https://github.com/llvm/llvm-project/pull/70845