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[DirectX][Clang] Add DirectX target builtins
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16 files changed

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-3
lines changed

16 files changed

+155
-3
lines changed

.github/new-prs-labeler.yml

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@@ -660,6 +660,11 @@ backend:DirectX:
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- '**/*dxil*/**'
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- '**/*DXContainer*'
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- '**/*DXContainer*/**'
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- clang/lib/Sema/SemaDirectX.cpp
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- clang/include/clang/Sema/SemaDirectX.h
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- clang/include/clang/Basic/BuiltinsDirectX.td
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- clang/test/CodeGenDirectX/**
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- clang/test/SemaDirectX/**
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backend:SPIR-V:
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- clang/lib/Driver/ToolChains/SPIRV.*
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//===--- BuiltinsDirectX.td - DirectX Builtin function database -----------===//
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//
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// Part of the LLVM Project, under the Apache License v2.0 with LLVM Exceptions.
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// See https://llvm.org/LICENSE.txt for license information.
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// SPDX-License-Identifier: Apache-2.0 WITH LLVM-exception
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//
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//===----------------------------------------------------------------------===//
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include "clang/Basic/BuiltinsBase.td"
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def DxDot2Add : Builtin {
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let Spellings = ["__builtin_dx_dot2add"];
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let Attributes = [NoThrow, Const];
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let Prototype = "float(_ExtVector<2, __fp16>,_ExtVector<2, __fp16>,float)";
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}

clang/include/clang/Basic/CMakeLists.txt

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@@ -82,6 +82,10 @@ clang_tablegen(BuiltinsBPF.inc -gen-clang-builtins
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SOURCE BuiltinsBPF.td
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TARGET ClangBuiltinsBPF)
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clang_tablegen(BuiltinsDirectX.inc -gen-clang-builtins
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SOURCE BuiltinsDirectX.td
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TARGET ClangBuiltinsDirectX)
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clang_tablegen(BuiltinsHexagon.inc -gen-clang-builtins
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SOURCE BuiltinsHexagon.td
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TARGET ClangBuiltinsHexagon)

clang/include/clang/Basic/TargetBuiltins.h

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@@ -141,6 +141,17 @@ namespace clang {
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};
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}
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/// DirectX builtins
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namespace DirectX {
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enum {
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LastTIBuiltin = clang::Builtin::FirstTSBuiltin - 1,
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#define GET_BUILTIN_ENUMERATORS
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#include "clang/Basic/BuiltinsDirectX.inc"
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#undef GET_BUILTIN_ENUMERATORS
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LastTSBuiltin
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};
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} // namespace DirectX
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/// SPIRV builtins
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namespace SPIRV {
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enum {

clang/include/clang/Sema/Sema.h

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@@ -160,6 +160,7 @@ class SemaAVR;
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class SemaBPF;
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class SemaCodeCompletion;
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class SemaCUDA;
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class SemaDirectX;
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class SemaHLSL;
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class SemaHexagon;
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class SemaLoongArch;
@@ -1074,6 +1075,11 @@ class Sema final : public SemaBase {
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return *CUDAPtr;
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}
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SemaDirectX &DirectX() {
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assert(DirectXPtr);
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return *DirectXPtr;
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}
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SemaHLSL &HLSL() {
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assert(HLSLPtr);
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return *HLSLPtr;
@@ -1212,6 +1218,7 @@ class Sema final : public SemaBase {
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std::unique_ptr<SemaBPF> BPFPtr;
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std::unique_ptr<SemaCodeCompletion> CodeCompletionPtr;
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std::unique_ptr<SemaCUDA> CUDAPtr;
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std::unique_ptr<SemaDirectX> DirectXPtr;
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std::unique_ptr<SemaHLSL> HLSLPtr;
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std::unique_ptr<SemaHexagon> HexagonPtr;
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std::unique_ptr<SemaLoongArch> LoongArchPtr;
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@@ -0,0 +1,29 @@
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//===----- SemaDirectX.h ----- Semantic Analysis for DirectX
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//constructs--------===//
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//
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// Part of the LLVM Project, under the Apache License v2.0 with LLVM Exceptions.
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// See https://llvm.org/LICENSE.txt for license information.
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// SPDX-License-Identifier: Apache-2.0 WITH LLVM-exception
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//
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//===----------------------------------------------------------------------===//
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/// \file
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/// This file declares semantic analysis for DirectX constructs.
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///
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//===----------------------------------------------------------------------===//
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#ifndef LLVM_CLANG_SEMA_SEMADIRECTX_H
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#define LLVM_CLANG_SEMA_SEMADIRECTX_H
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#include "clang/AST/ASTFwd.h"
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#include "clang/Sema/SemaBase.h"
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namespace clang {
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class SemaDirectX : public SemaBase {
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public:
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SemaDirectX(Sema &S);
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25+
bool CheckDirectXBuiltinFunctionCall(unsigned BuiltinID, CallExpr *TheCall);
26+
};
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} // namespace clang
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#endif // LLVM_CLANG_SEMA_SEMADIRECTX_H

clang/lib/Basic/Targets/DirectX.cpp

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@@ -12,11 +12,31 @@
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#include "DirectX.h"
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#include "Targets.h"
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#include "clang/Basic/TargetBuiltins.h"
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using namespace clang;
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using namespace clang::targets;
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20+
static constexpr int NumBuiltins =
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clang::DirectX::LastTSBuiltin - Builtin::FirstTSBuiltin;
22+
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#define GET_BUILTIN_STR_TABLE
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#include "clang/Basic/BuiltinsDirectX.inc"
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#undef GET_BUILTIN_STR_TABLE
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27+
static constexpr Builtin::Info BuiltinInfos[] = {
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#define GET_BUILTIN_INFOS
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#include "clang/Basic/BuiltinsDirectX.inc"
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#undef GET_BUILTIN_INFOS
31+
};
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static_assert(std::size(BuiltinInfos) == NumBuiltins);
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void DirectXTargetInfo::getTargetDefines(const LangOptions &Opts,
2035
MacroBuilder &Builder) const {
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DefineStd(Builder, "DIRECTX", Opts);
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}
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llvm::SmallVector<Builtin::InfosShard>
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DirectXTargetInfo::getTargetBuiltins() const {
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return {{&BuiltinStrings, BuiltinInfos}};
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}

clang/lib/Basic/Targets/DirectX.h

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@@ -73,9 +73,7 @@ class LLVM_LIBRARY_VISIBILITY DirectXTargetInfo : public TargetInfo {
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return Feature == "directx";
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}
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llvm::SmallVector<Builtin::InfosShard> getTargetBuiltins() const override {
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return {};
78-
}
76+
llvm::SmallVector<Builtin::InfosShard> getTargetBuiltins() const override;
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std::string_view getClobbers() const override { return ""; }
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clang/lib/CodeGen/CGBuiltin.cpp

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@@ -70,6 +70,8 @@ static Value *EmitTargetArchBuiltinExpr(CodeGenFunction *CGF,
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case llvm::Triple::bpfeb:
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case llvm::Triple::bpfel:
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return CGF->EmitBPFBuiltinExpr(BuiltinID, E);
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case llvm::Triple::dxil:
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return CGF->EmitDirectXBuiltinExpr(BuiltinID, E);
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case llvm::Triple::x86:
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case llvm::Triple::x86_64:
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return CGF->EmitX86BuiltinExpr(BuiltinID, E);

clang/lib/CodeGen/CMakeLists.txt

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@@ -118,6 +118,7 @@ add_clang_library(clangCodeGen
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SwiftCallingConv.cpp
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TargetBuiltins/ARM.cpp
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TargetBuiltins/AMDGPU.cpp
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TargetBuiltins/DirectX.cpp
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TargetBuiltins/Hexagon.cpp
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TargetBuiltins/NVPTX.cpp
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TargetBuiltins/PPC.cpp

clang/lib/CodeGen/CodeGenFunction.h

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@@ -4809,6 +4809,7 @@ class CodeGenFunction : public CodeGenTypeCache {
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llvm::Value *EmitAMDGPUBuiltinExpr(unsigned BuiltinID, const CallExpr *E);
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llvm::Value *EmitHLSLBuiltinExpr(unsigned BuiltinID, const CallExpr *E,
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ReturnValueSlot ReturnValue);
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llvm::Value *EmitDirectXBuiltinExpr(unsigned BuiltinID, const CallExpr *E);
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llvm::Value *EmitSPIRVBuiltinExpr(unsigned BuiltinID, const CallExpr *E);
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llvm::Value *EmitScalarOrConstFoldImmArg(unsigned ICEArguments, unsigned Idx,
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const CallExpr *E);
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//===--------- DirectX.cpp - Emit LLVM Code for builtins ------------------===//
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//
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// Part of the LLVM Project, under the Apache License v2.0 with LLVM Exceptions.
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// See https://llvm.org/LICENSE.txt for license information.
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// SPDX-License-Identifier: Apache-2.0 WITH LLVM-exception
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//
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//===----------------------------------------------------------------------===//
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//
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// This contains code to emit Builtin calls as LLVM code.
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//
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//===----------------------------------------------------------------------===//
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#include "CGHLSLRuntime.h"
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#include "CodeGenFunction.h"
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#include "clang/Basic/TargetBuiltins.h"
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#include "llvm/IR/Intrinsics.h"
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using namespace clang;
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using namespace CodeGen;
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using namespace llvm;
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Value *CodeGenFunction::EmitDirectXBuiltinExpr(unsigned BuiltinID,
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const CallExpr *E) {
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return nullptr;
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}

clang/lib/Sema/CMakeLists.txt

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@@ -47,6 +47,7 @@ add_clang_library(clangSema
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SemaConsumer.cpp
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SemaCoroutine.cpp
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SemaCUDA.cpp
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SemaDirectX.cpp
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SemaDecl.cpp
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SemaDeclAttr.cpp
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SemaDeclCXX.cpp

clang/lib/Sema/Sema.cpp

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@@ -47,6 +47,7 @@
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#include "clang/Sema/SemaCUDA.h"
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#include "clang/Sema/SemaCodeCompletion.h"
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#include "clang/Sema/SemaConsumer.h"
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#include "clang/Sema/SemaDirectX.h"
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#include "clang/Sema/SemaHLSL.h"
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#include "clang/Sema/SemaHexagon.h"
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#include "clang/Sema/SemaLoongArch.h"
@@ -226,6 +227,7 @@ Sema::Sema(Preprocessor &pp, ASTContext &ctxt, ASTConsumer &consumer,
226227
CodeCompletionPtr(
227228
std::make_unique<SemaCodeCompletion>(*this, CodeCompleter)),
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CUDAPtr(std::make_unique<SemaCUDA>(*this)),
230+
DirectXPtr(std::make_unique<SemaDirectX>(*this)),
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HLSLPtr(std::make_unique<SemaHLSL>(*this)),
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HexagonPtr(std::make_unique<SemaHexagon>(*this)),
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LoongArchPtr(std::make_unique<SemaLoongArch>(*this)),

clang/lib/Sema/SemaChecking.cpp

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@@ -61,6 +61,7 @@
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#include "clang/Sema/SemaAMDGPU.h"
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#include "clang/Sema/SemaARM.h"
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#include "clang/Sema/SemaBPF.h"
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#include "clang/Sema/SemaDirectX.h"
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#include "clang/Sema/SemaHLSL.h"
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#include "clang/Sema/SemaHexagon.h"
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#include "clang/Sema/SemaLoongArch.h"
@@ -1930,6 +1931,8 @@ bool Sema::CheckTSBuiltinFunctionCall(const TargetInfo &TI, unsigned BuiltinID,
19301931
case llvm::Triple::bpfeb:
19311932
case llvm::Triple::bpfel:
19321933
return BPF().CheckBPFBuiltinFunctionCall(BuiltinID, TheCall);
1934+
case llvm::Triple::dxil:
1935+
return DirectX().CheckDirectXBuiltinFunctionCall(BuiltinID, TheCall);
19331936
case llvm::Triple::hexagon:
19341937
return Hexagon().CheckHexagonBuiltinFunctionCall(BuiltinID, TheCall);
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case llvm::Triple::mips:

clang/lib/Sema/SemaDirectX.cpp

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//===- SemaDirectX.cpp - Semantic Analysis for DirectX constructs----------===//
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//
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// Part of the LLVM Project, under the Apache License v2.0 with LLVM Exceptions.
4+
// See https://llvm.org/LICENSE.txt for license information.
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// SPDX-License-Identifier: Apache-2.0 WITH LLVM-exception
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//
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//===----------------------------------------------------------------------===//
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// This implements Semantic Analysis for DirectX constructs.
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//===----------------------------------------------------------------------===//
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#include "clang/Sema/SemaDirectX.h"
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#include "clang/Basic/TargetBuiltins.h"
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#include "clang/Sema/Sema.h"
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15+
namespace clang {
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SemaDirectX::SemaDirectX(Sema &S) : SemaBase(S) {}
18+
19+
bool SemaDirectX::CheckDirectXBuiltinFunctionCall(unsigned BuiltinID,
20+
CallExpr *TheCall) {
21+
switch (BuiltinID) {
22+
case DirectX::BI__builtin_dx_dot2add: {
23+
}
24+
}
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26+
return false;
27+
}
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} // namespace clang

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