[llvm] [llvm][instcombine] Add Missed Optimization for Folding Min Max intrinsic into PHI instruction (PR #84619)

[via llvm-commits]

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+; NOTE: Assertions have been autogenerated by utils/update_test_checks.py
+; RUN: opt < %s -passes=instcombine -S | FileCheck %s
+
+
+; test phi combine less than (equal)
+define i1 @src0(i32 %a, i32 %b, i1 %c) #0 {
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PeterChou1 wrote:

done

https://github.com/llvm/llvm-project/pull/84619