[llvm] [InstCombine] Optimistically allow multiple shufflevector uses in foldOpPhi (PR #114278)

[David Peixotto via llvm-commits]

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@@ -0,0 +1,57 @@
+; NOTE: Assertions have been autogenerated by utils/update_test_checks.py UTC_ARGS: --version 5
+; RUN: opt < %s -S -passes=instcombine | FileCheck %s
+
+define void @f(ptr %p_begin, ptr %p_end, ptr %out) {
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dmpots wrote:

Is it worth adding tests for cases where it should not simplify (e.g. too many users, some users can't simplify)?

https://github.com/llvm/llvm-project/pull/114278