[llvm] feat: add flag to disable known bits analysis (PR #228000)

via llvm-commits llvm-commits at lists.llvm.org
Thu Oct 1 02:07:53 PDT 2026


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``````````bash
git-clang-format --diff origin/main HEAD --extensions cpp -- llvm/lib/CodeGen/GlobalISel/GISelValueTracking.cpp llvm/lib/CodeGen/SelectionDAG/LegalizeIntegerTypes.cpp llvm/lib/CodeGen/SelectionDAG/SelectionDAG.cpp llvm/lib/Target/AArch64/AArch64ISelDAGToDAG.cpp --diff_from_common_commit
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``````````diff
diff --git a/llvm/lib/CodeGen/SelectionDAG/SelectionDAG.cpp b/llvm/lib/CodeGen/SelectionDAG/SelectionDAG.cpp
index 2c96affdd..14dc54fef 100644
--- a/llvm/lib/CodeGen/SelectionDAG/SelectionDAG.cpp
+++ b/llvm/lib/CodeGen/SelectionDAG/SelectionDAG.cpp
@@ -122,7 +122,8 @@ static cl::opt<int> VScaleUnrollLimit(
 
 static cl::opt<bool> DisableDAGKnownBits(
     "dag-disable-known-bits", cl::Hidden, cl::init(false),
-    cl::desc("Disable SelectionDAG known bits analysis (always return unknown)"));
+    cl::desc(
+        "Disable SelectionDAG known bits analysis (always return unknown)"));
 
 static void NewSDValueDbgMsg(SDValue V, StringRef Msg, SelectionDAG *G) {
   LLVM_DEBUG(dbgs() << Msg; V.getNode()->dump(G););

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https://github.com/llvm/llvm-project/pull/228000


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