[libcxx-commits] [libcxxabi] [libunwind] [openmp] [flang] [lld] [libc] [mlir] [llvm] [lldb] [libcxx] [clang] [compiler-rt] Fix Logical expression used for merged conditional if in FlattenCFG pass (PR #72522)

[Matt Arsenault via libcxx-commits]

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@@ -450,9 +450,9 @@ bool FlattenCFGOpt::MergeIfRegion(BasicBlock *BB, IRBuilder<> &Builder) {
     if (!CompareIfRegionBlock(IfTrue1, IfTrue2, SecondEntryBlock))
       return false;
   } else if (IfTrue1 == FirstEntryBlock) {
-    // The then-path is empty, so we must use "and" operation to combine the
+    // The else-path is empty, so we must use "or" operation to combine the
     // conditions.
-    CombineOp = BinaryOperator::And;
+    CombineOp = BinaryOperator::Or;
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arsenm wrote:

The existing tests should not have the inputs changed. You should add new tests 

https://github.com/llvm/llvm-project/pull/72522