namespace {
class WebAssemblyAsmPrinter final : public AsmPrinter {
- bool hasAddr64;
const WebAssemblyInstrInfo *TII;
public:
WebAssemblyAsmPrinter(TargetMachine &TM, std::unique_ptr<MCStreamer> Streamer)
- : AsmPrinter(TM, std::move(Streamer)), hasAddr64(false), TII(nullptr) {}
+ : AsmPrinter(TM, std::move(Streamer)), TII(nullptr) {}
private:
const char *getPassName() const override {
bool runOnMachineFunction(MachineFunction &MF) override {
const auto &Subtarget = MF.getSubtarget<WebAssemblySubtarget>();
- hasAddr64 = Subtarget.hasAddr64();
TII = Subtarget.getInstrInfo();
return AsmPrinter::runOnMachineFunction(MF);
}
void EmitFunctionBodyEnd() override;
void EmitInstruction(const MachineInstr *MI) override;
+
+ static std::string toString(const APFloat &APF);
+ const char *toString(Type *Ty) const;
};
} // end anonymous namespace
static std::string toSymbol(StringRef S) { return ("$" + S).str(); }
-static std::string toString(const APFloat &FP) {
+std::string WebAssemblyAsmPrinter::toString(const APFloat &FP) {
static const size_t BufBytes = 128;
char buf[BufBytes];
if (FP.isNaN())
return buf;
}
-static const char *toString(const Type *Ty, bool hasAddr64) {
+const char *WebAssemblyAsmPrinter::toString(Type *Ty) const {
switch (Ty->getTypeID()) {
- default: break;
+ default:
+ break;
// Treat all pointers as the underlying integer into linear memory.
- case Type::PointerTyID: return hasAddr64 ? "i64" : "i32";
- case Type::FloatTyID: return "f32";
- case Type::DoubleTyID: return "f64";
+ case Type::PointerTyID:
+ switch (getPointerSize()) {
+ case 4:
+ return "i32";
+ case 8:
+ return "i64";
+ default:
+ llvm_unreachable("unsupported pointer size");
+ }
+ break;
+ case Type::FloatTyID:
+ return "f32";
+ case Type::DoubleTyID:
+ return "f64";
case Type::IntegerTyID:
switch (Ty->getIntegerBitWidth()) {
- case 8: return "i8";
- case 16: return "i16";
- case 32: return "i32";
- case 64: return "i64";
- default: break;
+ case 8:
+ return "i8";
+ case 16:
+ return "i16";
+ case 32:
+ return "i32";
+ case 64:
+ return "i64";
+ default:
+ break;
}
}
DEBUG(dbgs() << "Invalid type "; Ty->print(dbgs()); dbgs() << '\n');
return "<invalid>";
}
-
//===----------------------------------------------------------------------===//
// WebAssemblyAsmPrinter Implementation.
//===----------------------------------------------------------------------===//
return;
}
- OS << "(global " << toSymbol(Name) << ' '
- << toString(Init->getType(), hasAddr64) << ' ';
+ OS << "(global " << toSymbol(Name) << ' ' << toString(Init->getType()) << ' ';
if (const auto *C = dyn_cast<ConstantInt>(Init)) {
assert(C->getBitWidth() <= 64 && "Printing wider types unimplemented");
OS << C->getZExtValue();
SmallString<128> Str;
raw_svector_ostream OS(Str);
const Function *F = MF->getFunction();
- const Type *Rt = F->getReturnType();
+ Type *Rt = F->getReturnType();
if (!Rt->isVoidTy() || !F->arg_empty()) {
for (const Argument &A : F->args())
- OS << " (param " << toString(A.getType(), hasAddr64) << ')';
+ OS << " (param " << toString(A.getType()) << ')';
if (!Rt->isVoidTy())
- OS << " (result " << toString(Rt, hasAddr64) << ')';
+ OS << " (result " << toString(Rt) << ')';
OutStreamer->EmitRawText(OS.str());
}
}