[llvm] [ADT] Add APIntOps::abds signed absolute difference and rename absdiff -> abdu (PR #84791)

[via llvm-commits]

github-actions[bot] wrote:

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``````````bash
git-clang-format --diff 6cd68c2f87832ef39eb502a20d358b4c7fa37b9e a3f7c8ecc5fdf7ee27cf96f2c3e365b9552ecc7c -- llvm/include/llvm/ADT/APInt.h llvm/lib/CodeGen/SelectionDAG/SelectionDAG.cpp llvm/unittests/ADT/APIntTest.cpp llvm/unittests/Support/KnownBitsTest.cpp
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View the diff from clang-format here.
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``````````diff
diff --git a/llvm/unittests/Support/KnownBitsTest.cpp b/llvm/unittests/Support/KnownBitsTest.cpp
index 701876c7e4..cb1a3d551b 100644
--- a/llvm/unittests/Support/KnownBitsTest.cpp
+++ b/llvm/unittests/Support/KnownBitsTest.cpp
@@ -361,9 +361,7 @@ TEST(KnownBitsTest, BinaryExhaustive) {
       [](const KnownBits &Known1, const KnownBits &Known2) {
         return KnownBits::absdiff(Known1, Known2);
       },
-      [](const APInt &N1, const APInt &N2) {
-        return APIntOps::abdu(N1, N2);
-      },
+      [](const APInt &N1, const APInt &N2) { return APIntOps::abdu(N1, N2); },
       checkCorrectnessOnlyBinary);
   testBinaryOpExhaustive(
       [](const KnownBits &Known1, const KnownBits &Known2) {

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https://github.com/llvm/llvm-project/pull/84791