#include "WebAssemblyTypeUtilities.h"
#include "llvm/ADT/StringSwitch.h"
+#include "llvm/CodeGen/TargetRegisterInfo.h"
// Get register classes enum.
#define GET_REGINFO_ENUM
}
}
+wasm::ValType WebAssembly::regClassToValType(const TargetRegisterClass *RC) {
+ assert(RC != nullptr);
+ return regClassToValType(RC->getID());
+}
+
void WebAssembly::wasmSymbolSetType(MCSymbolWasm *Sym, const Type *GlobalVT,
const SmallVector<MVT, 1> &VTs) {
assert(!Sym->getType());
#include "llvm/Support/MachineValueType.h"
namespace llvm {
+
+class TargetRegisterClass;
+
namespace WebAssembly {
/// Used as immediate MachineOperands for block signatures
// Convert a MVT into its corresponding wasm ValType.
wasm::ValType toValType(MVT Type);
-// Convert a register class to a wasm ValType.
+// Convert a register class ID to a wasm ValType.
wasm::ValType regClassToValType(unsigned RC);
+// Convert a register class to a wasm ValType.
+wasm::ValType regClassToValType(const TargetRegisterClass *RC);
+
/// Sets a Wasm Symbol Type.
void wasmSymbolSetType(MCSymbolWasm *Sym, const Type *GlobalVT,
const SmallVector<MVT, 1> &VTs);
return MCOperand::createExpr(Expr);
}
-// Return the WebAssembly type associated with the given register class.
-static wasm::ValType getType(const TargetRegisterClass *RC) {
- if (RC == &WebAssembly::I32RegClass)
- return wasm::ValType::I32;
- if (RC == &WebAssembly::I64RegClass)
- return wasm::ValType::I64;
- if (RC == &WebAssembly::F32RegClass)
- return wasm::ValType::F32;
- if (RC == &WebAssembly::F64RegClass)
- return wasm::ValType::F64;
- if (RC == &WebAssembly::V128RegClass)
- return wasm::ValType::V128;
- if (RC == &WebAssembly::EXTERNREFRegClass)
- return wasm::ValType::EXTERNREF;
- if (RC == &WebAssembly::FUNCREFRegClass)
- return wasm::ValType::FUNCREF;
- llvm_unreachable("Unexpected register class");
-}
-
static void getFunctionReturns(const MachineInstr *MI,
SmallVectorImpl<wasm::ValType> &Returns) {
const Function &F = MI->getMF()->getFunction();
const MachineRegisterInfo &MRI =
MI->getParent()->getParent()->getRegInfo();
for (const MachineOperand &MO : MI->defs())
- Returns.push_back(getType(MRI.getRegClass(MO.getReg())));
+ Returns.push_back(
+ WebAssembly::regClassToValType(MRI.getRegClass(MO.getReg())));
for (const MachineOperand &MO : MI->explicit_uses())
if (MO.isReg())
- Params.push_back(getType(MRI.getRegClass(MO.getReg())));
+ Params.push_back(
+ WebAssembly::regClassToValType(MRI.getRegClass(MO.getReg())));
// call_indirect instructions have a callee operand at the end which
// doesn't count as a param.