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Introduce typed named functions to dialect.

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This commit is contained in:
chriseth
2020-02-24 15:05:19 +01:00
parent b9b36cd89e
commit e728cd76b6
5 changed files with 54 additions and 11 deletions
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libyul/backends/wasm/WasmDialect.cpp
+18 -1
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@@ -91,8 +91,9 @@ WasmDialect::WasmDialect()
m_functions["i64.load"_yulstring].sideEffects.sideEffectFreeIfNoMSize = true;
// Drop is actually overloaded for all types, but Yul does not support that.
// We could introduce "i32.drop".
// Because of that, we introduce "i32.drop".
addFunction("drop", {i64}, {});
addFunction("i32.drop", {i32}, {});
addFunction("nop", {}, {});
addFunction("unreachable", {}, {}, false);
@@ -114,6 +115,22 @@ BuiltinFunction const* WasmDialect::builtin(YulString _name) const
return nullptr;
}
BuiltinFunction const* WasmDialect::discardFunction(YulString _type) const
{
if (_type == "i32"_yulstring)
return builtin("i32.drop"_yulstring);
yulAssert(_type == "i64"_yulstring, "");
return builtin("drop"_yulstring);
}
BuiltinFunction const* WasmDialect::equalityFunction(YulString _type) const
{
if (_type == "i32"_yulstring)
return builtin("i32.eq"_yulstring);
yulAssert(_type == "i64"_yulstring, "");
return builtin("i64.eq"_yulstring);
}
WasmDialect const& WasmDialect::instance()
{
static std::unique_ptr<WasmDialect> dialect;