[clang] [flang] [Flang] Add -ffast-real-mod and direct code for MOD on REAL types (PR #160660)

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``````````bash
git-clang-format --diff origin/main HEAD --extensions cpp -- clang/lib/Driver/ToolChains/Flang.cpp flang/lib/Frontend/CompilerInvocation.cpp flang/lib/Frontend/FrontendActions.cpp flang/lib/Optimizer/Builder/IntrinsicCall.cpp
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``````````diff
diff --git a/flang/lib/Optimizer/Builder/IntrinsicCall.cpp b/flang/lib/Optimizer/Builder/IntrinsicCall.cpp
index fee5f2b24..635a6ae00 100644
--- a/flang/lib/Optimizer/Builder/IntrinsicCall.cpp
+++ b/flang/lib/Optimizer/Builder/IntrinsicCall.cpp
@@ -6994,7 +6994,8 @@ static mlir::Value genFastMod(fir::FirOpBuilder &builder, mlir::Location loc,
   auto fastmathFlags = mlir::arith::FastMathFlags::contract;
   auto fastmathAttr =
       mlir::arith::FastMathFlagsAttr::get(builder.getContext(), fastmathFlags);
-  mlir::Value divResult = mlir::arith::DivFOp::create(builder, loc, a, p, fastmathAttr);
+  mlir::Value divResult =
+      mlir::arith::DivFOp::create(builder, loc, a, p, fastmathAttr);
   mlir::Type intType = builder.getIntegerType(
       a.getType().getIntOrFloatBitWidth(), /*signed=*/true);
   mlir::Value intResult = builder.createConvert(loc, intType, divResult);

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https://github.com/llvm/llvm-project/pull/160660