[llvm] [SelectOpt] Add handling for not conditions. (PR #92517)

[Sjoerd Meijer via llvm-commits]

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@@ -195,7 +218,9 @@ class SelectOptimizeImpl {
     /// Return the false value for the SelectLike instruction. For example the
     /// getFalseValue of a select or `x` in `or(zext(c), x)` (which is
     /// `select(c, x|1, x)`)
-    Value *getFalseValue() const {
+    Value *getFalseValue(bool HonorInverts = true) const {
+      if (Inverted && HonorInverts)
+        return getTrueValue(false);
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sjoerdmeijer wrote:

Nit: do we need to add `/* HonorInverts */`?

https://github.com/llvm/llvm-project/pull/92517