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https://github.com/c64scene-ar/llvm-6502.git
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git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@33076 91177308-0d34-0410-b5e6-96231b3b80d8
99 lines
3.2 KiB
C++
99 lines
3.2 KiB
C++
//===-- ValueTypes.cpp - Implementation of MVT::ValueType methods ---------===//
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//
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// The LLVM Compiler Infrastructure
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//
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// This file was developed by the LLVM research group and is distributed under
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// the University of Illinois Open Source License. See LICENSE.TXT for details.
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//
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//===----------------------------------------------------------------------===//
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//
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// This file implements methods in the CodeGen/ValueTypes.h header.
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//
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//===----------------------------------------------------------------------===//
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#include "llvm/CodeGen/ValueTypes.h"
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#include "llvm/Type.h"
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using namespace llvm;
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/// MVT::getValueTypeString - This function returns value type as a string,
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/// e.g. "i32".
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const char *MVT::getValueTypeString(MVT::ValueType VT) {
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switch (VT) {
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default: assert(0 && "Invalid ValueType!");
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case MVT::i1: return "i1";
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case MVT::i8: return "i8";
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case MVT::i16: return "i16";
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case MVT::i32: return "i32";
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case MVT::i64: return "i64";
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case MVT::i128: return "i128";
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case MVT::f32: return "f32";
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case MVT::f64: return "f64";
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case MVT::f80: return "f80";
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case MVT::f128: return "f128";
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case MVT::isVoid:return "isVoid";
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case MVT::Other: return "ch";
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case MVT::Flag: return "flag";
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case MVT::Vector:return "vec";
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case MVT::v8i8: return "v8i8";
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case MVT::v4i16: return "v4i16";
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case MVT::v2i32: return "v2i32";
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case MVT::v16i8: return "v16i8";
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case MVT::v8i16: return "v8i16";
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case MVT::v4i32: return "v4i32";
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case MVT::v2i64: return "v2i64";
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case MVT::v4f32: return "v4f32";
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case MVT::v2f64: return "v2f64";
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}
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}
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/// MVT::getVectorType - Returns the ValueType that represents a vector
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/// NumElements in length, where each element is of type VT. If there is no
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/// ValueType that represents this vector, a ValueType of Other is returned.
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///
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MVT::ValueType MVT::getVectorType(ValueType VT, unsigned NumElements) {
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switch (VT) {
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default:
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break;
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case MVT::i8:
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if (NumElements == 8) return MVT::v8i8;
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if (NumElements == 16) return MVT::v16i8;
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break;
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case MVT::i16:
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if (NumElements == 4) return MVT::v4i16;
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if (NumElements == 8) return MVT::v8i16;
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break;
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case MVT::i32:
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if (NumElements == 2) return MVT::v2i32;
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if (NumElements == 4) return MVT::v4i32;
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break;
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case MVT::i64:
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if (NumElements == 2) return MVT::v2i64;
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break;
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case MVT::f32:
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if (NumElements == 2) return MVT::v2f32;
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if (NumElements == 4) return MVT::v4f32;
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break;
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case MVT::f64:
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if (NumElements == 2) return MVT::v2f64;
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break;
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}
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return MVT::Other;
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}
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/// MVT::getTypeForValueType - This method returns an LLVM type corresponding
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/// to the specified ValueType. For integer types, this returns an unsigned
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/// type. Note that this will abort for types that cannot be represented.
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const Type *MVT::getTypeForValueType(MVT::ValueType VT) {
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switch (VT) {
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default: assert(0 && "ValueType does not correspond to LLVM type!");
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case MVT::isVoid:return Type::VoidTy;
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case MVT::i1: return Type::Int1Ty;
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case MVT::i8: return Type::Int8Ty;
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case MVT::i16: return Type::Int16Ty;
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case MVT::i32: return Type::Int32Ty;
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case MVT::i64: return Type::Int64Ty;
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case MVT::f32: return Type::FloatTy;
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case MVT::f64: return Type::DoubleTy;
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}
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}
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