[clang] [clang][HLSL] Add sign intrinsic part 3 (PR #101989)

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<!--LLVM CODE FORMAT COMMENT: {clang-format}-->


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``````````bash
git-clang-format --diff 04f65043bc8711996a4ade05c67ae2d087ae8be5 03e05cc3ee4746b760750515e884ab8ba4674e87 --extensions cpp,h -- clang/lib/CodeGen/CGBuiltin.cpp clang/lib/CodeGen/CGHLSLRuntime.h clang/lib/Headers/hlsl/hlsl_intrinsics.h clang/lib/Sema/SemaHLSL.cpp
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View the diff from clang-format here.
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``````````diff
diff --git a/clang/lib/CodeGen/CGBuiltin.cpp b/clang/lib/CodeGen/CGBuiltin.cpp
index e5c545686d..41be70612a 100644
--- a/clang/lib/CodeGen/CGBuiltin.cpp
+++ b/clang/lib/CodeGen/CGBuiltin.cpp
@@ -18675,7 +18675,8 @@ case Builtin::BI__builtin_hlsl_elementwise_isinf: {
         !E->getArg(0)->getType()->hasSignedIntegerRepresentation())
       llvm_unreachable("sign operand must have a float or int representation");
 
-    return Builder.CreateIntrinsic(retType, CGM.getHLSLRuntime().getSignIntrinsic(),
+    return Builder.CreateIntrinsic(
+        retType, CGM.getHLSLRuntime().getSignIntrinsic(),
         ArrayRef<Value *>{Op0}, nullptr, "hlsl.sign");
   }
   }
diff --git a/clang/lib/Headers/hlsl/hlsl_intrinsics.h b/clang/lib/Headers/hlsl/hlsl_intrinsics.h
index 65c499e6ca..10510a85a9 100644
--- a/clang/lib/Headers/hlsl/hlsl_intrinsics.h
+++ b/clang/lib/Headers/hlsl/hlsl_intrinsics.h
@@ -1730,8 +1730,8 @@ __attribute__((convergent)) uint WaveGetLaneIndex();
 //===----------------------------------------------------------------------===//
 
 /// \fn T sign(T Val)
-/// \brief Returns -1 if \a Val is less than zero; 0 if \a Val equals zero; and 1 if \a Val is greater than zero.
-/// \param Val The input value.
+/// \brief Returns -1 if \a Val is less than zero; 0 if \a Val equals zero; and
+/// 1 if \a Val is greater than zero. \param Val The input value.
 
 #ifdef __HLSL_ENABLE_16_BIT
 _HLSL_AVAILABILITY(shadermodel, 6.2)
diff --git a/clang/lib/Sema/SemaHLSL.cpp b/clang/lib/Sema/SemaHLSL.cpp
index 7d10c2a71e..e01eb17b53 100644
--- a/clang/lib/Sema/SemaHLSL.cpp
+++ b/clang/lib/Sema/SemaHLSL.cpp
@@ -998,7 +998,8 @@ bool CheckNoDoubleVectors(Sema *S, CallExpr *TheCall) {
 }
 bool CheckFloatingOrSignedIntRepresentation(Sema *S, CallExpr *TheCall) {
   auto checkAllSignedTypes = [](clang::QualType PassedType) -> bool {
-    return !PassedType->hasSignedIntegerRepresentation() && !PassedType->hasFloatingRepresentation();
+    return !PassedType->hasSignedIntegerRepresentation() &&
+           !PassedType->hasFloatingRepresentation();
   };
   return CheckArgsTypesAreCorrect(S, TheCall, S->Context.IntTy,
                                   checkAllSignedTypes);
@@ -1125,7 +1126,8 @@ bool SemaHLSL::CheckBuiltinFunctionCall(unsigned BuiltinID, CallExpr *TheCall) {
     break;
   }
   case Builtin::BI__builtin_hlsl_elementwise_sign: {
-    if (CheckFloatingOrSignedIntRepresentation(&SemaRef, TheCall) && CheckSignedIntRepresentation(&SemaRef, TheCall))
+    if (CheckFloatingOrSignedIntRepresentation(&SemaRef, TheCall) &&
+        CheckSignedIntRepresentation(&SemaRef, TheCall))
       return true;
     if (SemaRef.PrepareBuiltinElementwiseMathOneArgCall(TheCall))
       return true;

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https://github.com/llvm/llvm-project/pull/101989