[llvm] [InstCombine] Add demanded-bits pext handling (PR #205092)

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``````````bash
git-clang-format --diff origin/main HEAD --extensions cpp -- llvm/lib/Transforms/InstCombine/InstCombineCalls.cpp llvm/lib/Transforms/InstCombine/InstCombineSimplifyDemanded.cpp --diff_from_common_commit
``````````

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View the diff from clang-format here.
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``````````diff
diff --git a/llvm/lib/Transforms/InstCombine/InstCombineSimplifyDemanded.cpp b/llvm/lib/Transforms/InstCombine/InstCombineSimplifyDemanded.cpp
index a8c7ad0cf..bc8af869e 100644
--- a/llvm/lib/Transforms/InstCombine/InstCombineSimplifyDemanded.cpp
+++ b/llvm/lib/Transforms/InstCombine/InstCombineSimplifyDemanded.cpp
@@ -1116,8 +1116,7 @@ Value *InstCombinerImpl::SimplifyDemandedUseBits(Instruction *I,
             --N;
         }
         if (ShrinkDemandedConstant(I, 1, DemandedMaskRHS) ||
-            SimplifyDemandedBits(I, 1, DemandedMaskRHS, RHSKnown, Q,
-                                 Depth + 1))
+            SimplifyDemandedBits(I, 1, DemandedMaskRHS, RHSKnown, Q, Depth + 1))
           return I;
 
         Value *X;

``````````

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https://github.com/llvm/llvm-project/pull/205092