[llvm] [SCEV] Collect and merge loop guards through PHI nodes with multiple incoming values (PR #113915)

[Julian Nagele via llvm-commits]

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@@ -1316,6 +1316,11 @@ class ScalarEvolution {
 
     LoopGuards(ScalarEvolution &SE) : SE(SE) {}
 
+    static LoopGuards
+    collectFromBlock(ScalarEvolution &SE, ScalarEvolution::LoopGuards &Guards,
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juliannagele wrote:

yes, no need to return, updated to void and added comment

https://github.com/llvm/llvm-project/pull/113915