WebAssemblyISelDAGToDAG.cpp File Reference

This file defines an instruction selector for the WebAssembly target. More...

#include "MCTargetDesc/WebAssemblyMCTargetDesc.h"
#include "WebAssembly.h"
#include "WebAssemblyISelLowering.h"
#include "WebAssemblyTargetMachine.h"
#include "WebAssemblyUtilities.h"
#include "llvm/BinaryFormat/Wasm.h"
#include "llvm/CodeGen/MachineFrameInfo.h"
#include "llvm/CodeGen/SelectionDAGISel.h"
#include "llvm/CodeGen/WasmEHFuncInfo.h"
#include "llvm/IR/DiagnosticInfo.h"
#include "llvm/IR/Function.h"
#include "llvm/IR/IntrinsicsWebAssembly.h"
#include "llvm/MC/MCSymbolWasm.h"
#include "llvm/Support/Debug.h"
#include "llvm/Support/KnownBits.h"
#include "llvm/Support/raw_ostream.h"
#include "WebAssemblyGenDAGISel.inc"

Go to the source code of this file.

Macros
#define	DEBUG_TYPE   "wasm-isel"
#define	PASS_NAME   "WebAssembly Instruction Selection"

Functions
	INITIALIZE_PASS (WebAssemblyDAGToDAGISelLegacy, DEBUG_TYPE, PASS_NAME, false, false) void WebAssemblyDAGToDAGISel
static SDValue	getTagSymNode (int Tag, SelectionDAG *DAG)
static APInt	encodeFunctionSignature (SelectionDAG *DAG, SDLoc &DL, SmallVector< MVT, 4 > &Returns, SmallVector< MVT, 4 > &Params)
static unsigned	getWebAssemblyMemoryOrder (AtomicOrdering Ordering)
static MemSDNode *	findMemSDNode (SDNode *N)

Detailed Description

This file defines an instruction selector for the WebAssembly target.

Definition in file WebAssemblyISelDAGToDAG.cpp.

Macro Definition Documentation

DEBUG_TYPE

#define DEBUG_TYPE   "wasm-isel"

Definition at line 33 of file WebAssemblyISelDAGToDAG.cpp.

PASS_NAME

#define PASS_NAME   "WebAssembly Instruction Selection"

Definition at line 34 of file WebAssemblyISelDAGToDAG.cpp.

Function Documentation

encodeFunctionSignature()

APInt encodeFunctionSignature ( SelectionDAG * DAG, SDLoc & DL, SmallVector< MVT, 4 > & Returns, SmallVector< MVT, 4 > & Params )

static

Definition at line 130 of file WebAssemblyISelDAGToDAG.cpp.

References llvm::BitWidth, DL, llvm::errs(), llvm::wasm::EXNREF, llvm::wasm::EXTERNREF, llvm::wasm::F32, llvm::wasm::F64, llvm::wasm::FUNCREF, llvm::wasm::I32, llvm::wasm::I64, LLVM_DEBUG, llvm_unreachable, and llvm::SmallVectorTemplateCommon< T, typename >::size().

findMemSDNode()

MemSDNode * findMemSDNode ( SDNode * N )

static

Definition at line 581 of file WebAssemblyISelDAGToDAG.cpp.

References llvm::ISD::AND, llvm::ISD::ANY_EXTEND, llvm::ISD::AssertSext, llvm::ISD::AssertZext, llvm::ISD::BITCAST, llvm::dyn_cast(), N, llvm::ISD::SIGN_EXTEND, llvm::ISD::SIGN_EXTEND_INREG, llvm::ISD::TRUNCATE, and llvm::ISD::ZERO_EXTEND.

getTagSymNode()

SDValue getTagSymNode ( int Tag, SelectionDAG * DAG )

static

Definition at line 119 of file WebAssemblyISelDAGToDAG.cpp.

References assert(), llvm::WebAssembly::C_LONGJMP, llvm::WebAssembly::CPP_EXCEPTION, llvm::SelectionDAG::getDataLayout(), llvm::SelectionDAG::getMachineFunction(), llvm::SelectionDAG::getTargetExternalSymbol(), and llvm::SelectionDAG::getTargetLoweringInfo().

getWebAssemblyMemoryOrder()

unsigned getWebAssemblyMemoryOrder ( AtomicOrdering Ordering )

static

Definition at line 184 of file WebAssemblyISelDAGToDAG.cpp.

References llvm::Acquire, llvm::AcquireRelease, llvm_unreachable, llvm::Monotonic, llvm::Release, llvm::SequentiallyConsistent, llvm::Unordered, llvm::wasm::WASM_MEM_ORDER_ACQ_REL, and llvm::wasm::WASM_MEM_ORDER_SEQ_CST.

INITIALIZE_PASS()

INITIALIZE_PASS	(	WebAssemblyDAGToDAGISelLegacy	,
		DEBUG_TYPE	,
		PASS_NAME	,
		false	,
		false	)

Definition at line 104 of file WebAssemblyISelDAGToDAG.cpp.

References DEBUG_TYPE, llvm::WebAssemblyFrameLowering::getLocalForStackObject(), PASS_NAME, and llvm::SelectionDAGISel::PreprocessISelDAG().