[llvm] [X86] Create special case for (a-b) - (a<b) -> sbb a, b (PR #161388)

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git-clang-format --diff origin/main HEAD --extensions cpp -- llvm/lib/Target/X86/X86ISelLowering.cpp
``````````

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``````````diff
diff --git a/llvm/lib/Target/X86/X86ISelLowering.cpp b/llvm/lib/Target/X86/X86ISelLowering.cpp
index ffb4fbdcc..b16e77f1f 100644
--- a/llvm/lib/Target/X86/X86ISelLowering.cpp
+++ b/llvm/lib/Target/X86/X86ISelLowering.cpp
@@ -52385,8 +52385,9 @@ static SDValue combineAddOrSubToADCOrSBB(bool IsSub, const SDLoc &DL, EVT VT,
     // fold to: SBB a, b
     if (IsSub && X.getOpcode() == X86ISD::SUB && EFLAGS == X.getValue(1) &&
         X.getValueType().isInteger() && !isa<ConstantSDNode>(X.getOperand(1))) {
-      SDValue NewSub = DAG.getNode(X86ISD::SUB, SDLoc(X), X.getNode()->getVTList(),
-                                   X.getOperand(1), X.getOperand(0));
+      SDValue NewSub =
+          DAG.getNode(X86ISD::SUB, SDLoc(X), X.getNode()->getVTList(),
+                      X.getOperand(1), X.getOperand(0));
       SDValue NewEFLAGS = NewSub.getValue(1);
       return DAG.getNode(X86ISD::SBB, DL, DAG.getVTList(VT, MVT::i32),
                          X.getOperand(0), X.getOperand(1), NewEFLAGS);

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https://github.com/llvm/llvm-project/pull/161388