add scmp and ucmp to SelectionDAG.cpp

[miguelraz]

This is a PR based on #83227 that tries to add the scmp and ucmp new intrinsics to SelectionDAG.cpp .

cc @nikic

[github-actions]

⚠️ C/C++ code formatter, clang-format found issues in your code. ⚠️

You can test this locally with the following command:

git-clang-format --diff 7c460c6205eedaa24f77d5de272dfd94dc3e9a38 cf90dbaf2cf67d9cba5404977fd2f04cb2bebd75 -- llvm/include/llvm/CodeGen/ISDOpcodes.h llvm/include/llvm/CodeGen/TargetLowering.h llvm/lib/CodeGen/SelectionDAG/SelectionDAG.cpp llvm/lib/IR/Verifier.cpp llvm/unittests/Analysis/ValueTrackingTest.cpp

View the diff from clang-format here.

diff --git a/llvm/lib/CodeGen/SelectionDAG/SelectionDAG.cpp b/llvm/lib/CodeGen/SelectionDAG/SelectionDAG.cpp
index 5b6ac8d1e3..1460a4cbd7 100644
--- a/llvm/lib/CodeGen/SelectionDAG/SelectionDAG.cpp
+++ b/llvm/lib/CodeGen/SelectionDAG/SelectionDAG.cpp
@@ -6753,9 +6753,9 @@ SDValue SelectionDAG::getNode(unsigned Opcode, const SDLoc &DL, EVT VT,
   case ISD::UCMP:
   case ISD::SCMP:
     assert(VT.isInteger() && "This operator does not apply to FP types!");
-    assert(N1.getValueType() == N2.getValueType() && 
-           N1.getValueType() == VT && "Binary operator types must match");
-      break;
+    assert(N1.getValueType() == N2.getValueType() && N1.getValueType() == VT &&
+           "Binary operator types must match");
+    break;
   case ISD::FADD:
   case ISD::FSUB:
   case ISD::FMUL:

[miguelraz]

Closing due to too many git headaches and restarting on fresh main with #85822