[llvm] [InstCombine] Fold `(x < y) ? -1 : zext(x != y)` into `u/scmp(x,y)` (PR #101049)

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``````````bash
git-clang-format --diff 8320b97ab9f25d726379832342f3d5d48962368d 498684388702680302832e670ffdd92ff5d1339b --extensions cpp,h -- llvm/lib/Transforms/InstCombine/InstCombineInternal.h llvm/lib/Transforms/InstCombine/InstCombineSelect.cpp
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View the diff from clang-format here.
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``````````diff
diff --git a/llvm/lib/Transforms/InstCombine/InstCombineSelect.cpp b/llvm/lib/Transforms/InstCombine/InstCombineSelect.cpp
index ecec0a61a4..314fe65064 100644
--- a/llvm/lib/Transforms/InstCombine/InstCombineSelect.cpp
+++ b/llvm/lib/Transforms/InstCombine/InstCombineSelect.cpp
@@ -3592,12 +3592,14 @@ Instruction *InstCombinerImpl::foldSelectToCmp(SelectInst &SI) {
   CallInst *Intrinsic = nullptr;
   // (x < y) ? -1 : zext(x != y)
   if (ICmpInst::isLT(Pred) && match(TV, m_AllOnes()) &&
-      match(FV, m_ZExt(m_c_SpecificICmp(ICmpInst::ICMP_NE, m_Specific(LHS), m_Specific(RHS)))))
+      match(FV, m_ZExt(m_c_SpecificICmp(ICmpInst::ICMP_NE, m_Specific(LHS),
+                                        m_Specific(RHS)))))
     Intrinsic = Builder.CreateIntrinsic(SI.getType(), IID, {LHS, RHS});
 
   // (x > y) ? 1 : sext(x != y)
   if (ICmpInst::isGT(Pred) && match(TV, m_One()) &&
-      match(FV, m_SExt(m_c_SpecificICmp(ICmpInst::ICMP_NE, m_Specific(LHS), m_Specific(RHS)))))
+      match(FV, m_SExt(m_c_SpecificICmp(ICmpInst::ICMP_NE, m_Specific(LHS),
+                                        m_Specific(RHS)))))
     Intrinsic = Builder.CreateIntrinsic(SI.getType(), IID, {LHS, RHS});
 
   if (Intrinsic)

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https://github.com/llvm/llvm-project/pull/101049