[clang] [llvm] [LoongArch] [CodeGen] Add options for Clang to generate LoongArch-specific frecipe & frsqrte instructions (PR #109917)

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git-clang-format --diff 3da5e82e31712792411945b655929a1680fb476c eff8b3b5fb826c4f061acd27f6217434782cce59 --extensions h,cpp -- clang/lib/Driver/ToolChains/Arch/LoongArch.cpp llvm/lib/Target/LoongArch/LoongArchISelLowering.cpp llvm/lib/Target/LoongArch/LoongArchISelLowering.h
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View the diff from clang-format here.
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diff --git a/llvm/lib/Target/LoongArch/LoongArchISelLowering.cpp b/llvm/lib/Target/LoongArch/LoongArchISelLowering.cpp
index bbff8d097a..0f948e8148 100644
--- a/llvm/lib/Target/LoongArch/LoongArchISelLowering.cpp
+++ b/llvm/lib/Target/LoongArch/LoongArchISelLowering.cpp
@@ -5918,10 +5918,11 @@ Register LoongArchTargetLowering::getExceptionSelectorRegister(
 // Target Optimization Hooks
 //===----------------------------------------------------------------------===//
 
-static int getEstimateRefinementSteps(EVT VT, const LoongArchSubtarget &Subtarget) {
-  // Feature FRECIPE instrucions relative accuracy is 2^-14. 
+static int getEstimateRefinementSteps(EVT VT,
+                                      const LoongArchSubtarget &Subtarget) {
+  // Feature FRECIPE instrucions relative accuracy is 2^-14.
   // IEEE float has 23 digits and double has 52 digits.
-  int RefinementSteps = VT.getScalarType() == MVT::f64 ? 2: 1;
+  int RefinementSteps = VT.getScalarType() == MVT::f64 ? 2 : 1;
   return RefinementSteps;
 }
 

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https://github.com/llvm/llvm-project/pull/109917