[llvm] [AMDGPU] Filter candidates of LiveRegOptimizer for profitable cases (PR #124624)

[Jeffrey Byrnes via llvm-commits]

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@@ -259,6 +297,9 @@ bool LiveRegOptimizer::optimizeLiveType(
     if (!shouldReplace(II->getType()))
       continue;
 
+    if (!shouldReplaceBasedOnOp(II))
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jrbyrnes wrote:

You should be checking the users of II -- including walking through PHI nodes.



https://github.com/llvm/llvm-project/pull/124624