1 //===- CodeGen/MachineValueType.h - Machine-Level types ---------*- C++ -*-===//
3 // The LLVM Compiler Infrastructure
5 // This file is distributed under the University of Illinois Open Source
6 // License. See LICENSE.TXT for details.
8 //===----------------------------------------------------------------------===//
10 // This file defines the set of machine-level target independent types which
11 // legal values in the code generator use.
13 //===----------------------------------------------------------------------===//
15 #ifndef LLVM_CODEGEN_MACHINEVALUETYPE_H
16 #define LLVM_CODEGEN_MACHINEVALUETYPE_H
18 #include "llvm/Support/ErrorHandling.h"
19 #include "llvm/Support/MathExtras.h"
25 /// MVT - Machine Value Type. Every type that is supported natively by some
26 /// processor targeted by LLVM occurs here. This means that any legal value
27 /// type can be represented by an MVT.
30 enum SimpleValueType {
31 // INVALID_SIMPLE_VALUE_TYPE - Simple value types less than zero are
32 // considered extended value types.
33 INVALID_SIMPLE_VALUE_TYPE = -1,
35 // If you change this numbering, you must change the values in
36 // ValueTypes.td as well!
37 Other = 0, // This is a non-standard value
38 i1 = 1, // This is a 1 bit integer value
39 i8 = 2, // This is an 8 bit integer value
40 i16 = 3, // This is a 16 bit integer value
41 i32 = 4, // This is a 32 bit integer value
42 i64 = 5, // This is a 64 bit integer value
43 i128 = 6, // This is a 128 bit integer value
45 FIRST_INTEGER_VALUETYPE = i1,
46 LAST_INTEGER_VALUETYPE = i128,
48 f16 = 7, // This is a 16 bit floating point value
49 f32 = 8, // This is a 32 bit floating point value
50 f64 = 9, // This is a 64 bit floating point value
51 f80 = 10, // This is a 80 bit floating point value
52 f128 = 11, // This is a 128 bit floating point value
53 ppcf128 = 12, // This is a PPC 128-bit floating point value
55 FIRST_FP_VALUETYPE = f16,
56 LAST_FP_VALUETYPE = ppcf128,
61 v16i1 = 16, // 16 x i1
62 v32i1 = 17, // 32 x i1
63 v64i1 = 18, // 64 x i1
69 v16i8 = 23, // 16 x i8
70 v32i8 = 24, // 32 x i8
71 v64i8 = 25, // 64 x i8
72 v1i16 = 26, // 1 x i16
73 v2i16 = 27, // 2 x i16
74 v4i16 = 28, // 4 x i16
75 v8i16 = 29, // 8 x i16
76 v16i16 = 30, // 16 x i16
77 v32i16 = 31, // 32 x i16
78 v1i32 = 32, // 1 x i32
79 v2i32 = 33, // 2 x i32
80 v4i32 = 34, // 4 x i32
81 v8i32 = 35, // 8 x i32
82 v16i32 = 36, // 16 x i32
83 v1i64 = 37, // 1 x i64
84 v2i64 = 38, // 2 x i64
85 v4i64 = 39, // 4 x i64
86 v8i64 = 40, // 8 x i64
87 v16i64 = 41, // 16 x i64
89 FIRST_INTEGER_VECTOR_VALUETYPE = v2i1,
90 LAST_INTEGER_VECTOR_VALUETYPE = v16i64,
92 v2f16 = 42, // 2 x f16
93 v4f16 = 43, // 4 x f16
94 v8f16 = 44, // 8 x f16
95 v1f32 = 45, // 1 x f32
96 v2f32 = 46, // 2 x f32
97 v4f32 = 47, // 4 x f32
98 v8f32 = 48, // 8 x f32
99 v16f32 = 49, // 16 x f32
100 v1f64 = 50, // 1 x f64
101 v2f64 = 51, // 2 x f64
102 v4f64 = 52, // 4 x f64
103 v8f64 = 53, // 8 x f64
105 FIRST_FP_VECTOR_VALUETYPE = v2f16,
106 LAST_FP_VECTOR_VALUETYPE = v8f64,
108 FIRST_VECTOR_VALUETYPE = v2i1,
109 LAST_VECTOR_VALUETYPE = v8f64,
111 x86mmx = 54, // This is an X86 MMX value
113 Glue = 55, // This glues nodes together during pre-RA sched
115 isVoid = 56, // This has no value
117 Untyped = 57, // This value takes a register, but has
118 // unspecified type. The register class
119 // will be determined by the opcode.
121 LAST_VALUETYPE = 58, // This always remains at the end of the list.
123 // This is the current maximum for LAST_VALUETYPE.
124 // MVT::MAX_ALLOWED_VALUETYPE is used for asserts and to size bit vectors
125 // This value must be a multiple of 32.
126 MAX_ALLOWED_VALUETYPE = 64,
128 // Metadata - This is MDNode or MDString.
131 // iPTRAny - An int value the size of the pointer of the current
132 // target to any address space. This must only be used internal to
133 // tblgen. Other than for overloading, we treat iPTRAny the same as iPTR.
136 // vAny - A vector with any length and element size. This is used
137 // for intrinsics that have overloadings based on vector types.
138 // This is only for tblgen's consumption!
141 // fAny - Any floating-point or vector floating-point value. This is used
142 // for intrinsics that have overloadings based on floating-point types.
143 // This is only for tblgen's consumption!
146 // iAny - An integer or vector integer value of any bit width. This is
147 // used for intrinsics that have overloadings based on integer bit widths.
148 // This is only for tblgen's consumption!
151 // iPTR - An int value the size of the pointer of the current
152 // target. This should only be used internal to tblgen!
156 SimpleValueType SimpleTy;
158 MVT() : SimpleTy((SimpleValueType)(INVALID_SIMPLE_VALUE_TYPE)) {}
159 MVT(SimpleValueType SVT) : SimpleTy(SVT) { }
161 bool operator>(const MVT& S) const { return SimpleTy > S.SimpleTy; }
162 bool operator<(const MVT& S) const { return SimpleTy < S.SimpleTy; }
163 bool operator==(const MVT& S) const { return SimpleTy == S.SimpleTy; }
164 bool operator!=(const MVT& S) const { return SimpleTy != S.SimpleTy; }
165 bool operator>=(const MVT& S) const { return SimpleTy >= S.SimpleTy; }
166 bool operator<=(const MVT& S) const { return SimpleTy <= S.SimpleTy; }
168 /// isFloatingPoint - Return true if this is a FP, or a vector FP type.
169 bool isFloatingPoint() const {
170 return ((SimpleTy >= MVT::FIRST_FP_VALUETYPE &&
171 SimpleTy <= MVT::LAST_FP_VALUETYPE) ||
172 (SimpleTy >= MVT::FIRST_FP_VECTOR_VALUETYPE &&
173 SimpleTy <= MVT::LAST_FP_VECTOR_VALUETYPE));
176 /// isInteger - Return true if this is an integer, or a vector integer type.
177 bool isInteger() const {
178 return ((SimpleTy >= MVT::FIRST_INTEGER_VALUETYPE &&
179 SimpleTy <= MVT::LAST_INTEGER_VALUETYPE) ||
180 (SimpleTy >= MVT::FIRST_INTEGER_VECTOR_VALUETYPE &&
181 SimpleTy <= MVT::LAST_INTEGER_VECTOR_VALUETYPE));
184 /// isVector - Return true if this is a vector value type.
185 bool isVector() const {
186 return (SimpleTy >= MVT::FIRST_VECTOR_VALUETYPE &&
187 SimpleTy <= MVT::LAST_VECTOR_VALUETYPE);
190 /// is16BitVector - Return true if this is a 16-bit vector type.
191 bool is16BitVector() const {
192 return (SimpleTy == MVT::v2i8 || SimpleTy == MVT::v1i16 ||
193 SimpleTy == MVT::v16i1);
196 /// is32BitVector - Return true if this is a 32-bit vector type.
197 bool is32BitVector() const {
198 return (SimpleTy == MVT::v4i8 || SimpleTy == MVT::v2i16 ||
199 SimpleTy == MVT::v1i32);
202 /// is64BitVector - Return true if this is a 64-bit vector type.
203 bool is64BitVector() const {
204 return (SimpleTy == MVT::v8i8 || SimpleTy == MVT::v4i16 ||
205 SimpleTy == MVT::v2i32 || SimpleTy == MVT::v1i64 ||
206 SimpleTy == MVT::v1f64 || SimpleTy == MVT::v2f32);
209 /// is128BitVector - Return true if this is a 128-bit vector type.
210 bool is128BitVector() const {
211 return (SimpleTy == MVT::v16i8 || SimpleTy == MVT::v8i16 ||
212 SimpleTy == MVT::v4i32 || SimpleTy == MVT::v2i64 ||
213 SimpleTy == MVT::v4f32 || SimpleTy == MVT::v2f64);
216 /// is256BitVector - Return true if this is a 256-bit vector type.
217 bool is256BitVector() const {
218 return (SimpleTy == MVT::v8f32 || SimpleTy == MVT::v4f64 ||
219 SimpleTy == MVT::v32i8 || SimpleTy == MVT::v16i16 ||
220 SimpleTy == MVT::v8i32 || SimpleTy == MVT::v4i64);
223 /// is512BitVector - Return true if this is a 512-bit vector type.
224 bool is512BitVector() const {
225 return (SimpleTy == MVT::v8f64 || SimpleTy == MVT::v16f32 ||
226 SimpleTy == MVT::v64i8 || SimpleTy == MVT::v32i16 ||
227 SimpleTy == MVT::v8i64 || SimpleTy == MVT::v16i32);
230 /// is1024BitVector - Return true if this is a 1024-bit vector type.
231 bool is1024BitVector() const {
232 return (SimpleTy == MVT::v16i64);
235 /// isOverloaded - Return true if this is an overloaded type for TableGen.
236 bool isOverloaded() const {
237 return (SimpleTy==MVT::iAny || SimpleTy==MVT::fAny ||
238 SimpleTy==MVT::vAny || SimpleTy==MVT::iPTRAny);
241 /// isPow2VectorType - Returns true if the given vector is a power of 2.
242 bool isPow2VectorType() const {
243 unsigned NElts = getVectorNumElements();
244 return !(NElts & (NElts - 1));
247 /// getPow2VectorType - Widens the length of the given vector MVT up to
248 /// the nearest power of 2 and returns that type.
249 MVT getPow2VectorType() const {
250 if (isPow2VectorType())
253 unsigned NElts = getVectorNumElements();
254 unsigned Pow2NElts = 1 << Log2_32_Ceil(NElts);
255 return MVT::getVectorVT(getVectorElementType(), Pow2NElts);
258 /// getScalarType - If this is a vector type, return the element type,
259 /// otherwise return this.
260 MVT getScalarType() const {
261 return isVector() ? getVectorElementType() : *this;
264 MVT getVectorElementType() const {
267 llvm_unreachable("Not a vector MVT!");
273 case v64i1: return i1;
280 case v64i8: return i8;
286 case v32i16: return i16;
291 case v16i32: return i32;
296 case v16i64: return i64;
299 case v8f16: return f16;
304 case v16f32: return f32;
308 case v8f64: return f64;
312 unsigned getVectorNumElements() const {
315 llvm_unreachable("Not a vector MVT!");
318 case v32i16: return 32;
320 case v64i8: return 64;
326 case v16f32: return 16;
334 case v8f64: return 8;
342 case v4f64: return 4;
350 case v2f64: return 2;
356 case v1f64: return 1;
360 unsigned getSizeInBits() const {
363 llvm_unreachable("getSizeInBits called on extended MVT.");
365 llvm_unreachable("Value type is non-standard value, Other.");
367 llvm_unreachable("Value type size is target-dependent. Ask TLI.");
372 llvm_unreachable("Value type is overloaded.");
374 llvm_unreachable("Value type is metadata.");
385 case v1i16: return 16;
393 case v1i32: return 32;
404 case v1f64: return 64;
405 case f80 : return 80;
415 case v2f64: return 128;
421 case v4f64: return 256;
427 case v8f64: return 512;
428 case v16i64:return 1024;
432 unsigned getScalarSizeInBits() const {
433 return getScalarType().getSizeInBits();
436 /// getStoreSize - Return the number of bytes overwritten by a store
437 /// of the specified value type.
438 unsigned getStoreSize() const {
439 return (getSizeInBits() + 7) / 8;
442 /// getStoreSizeInBits - Return the number of bits overwritten by a store
443 /// of the specified value type.
444 unsigned getStoreSizeInBits() const {
445 return getStoreSize() * 8;
448 /// Return true if this has more bits than VT.
449 bool bitsGT(MVT VT) const {
450 return getSizeInBits() > VT.getSizeInBits();
453 /// Return true if this has no less bits than VT.
454 bool bitsGE(MVT VT) const {
455 return getSizeInBits() >= VT.getSizeInBits();
458 /// Return true if this has less bits than VT.
459 bool bitsLT(MVT VT) const {
460 return getSizeInBits() < VT.getSizeInBits();
463 /// Return true if this has no more bits than VT.
464 bool bitsLE(MVT VT) const {
465 return getSizeInBits() <= VT.getSizeInBits();
469 static MVT getFloatingPointVT(unsigned BitWidth) {
472 llvm_unreachable("Bad bit width!");
486 static MVT getIntegerVT(unsigned BitWidth) {
489 return (MVT::SimpleValueType)(MVT::INVALID_SIMPLE_VALUE_TYPE);
505 static MVT getVectorVT(MVT VT, unsigned NumElements) {
506 switch (VT.SimpleTy) {
510 if (NumElements == 2) return MVT::v2i1;
511 if (NumElements == 4) return MVT::v4i1;
512 if (NumElements == 8) return MVT::v8i1;
513 if (NumElements == 16) return MVT::v16i1;
514 if (NumElements == 32) return MVT::v32i1;
515 if (NumElements == 64) return MVT::v64i1;
518 if (NumElements == 1) return MVT::v1i8;
519 if (NumElements == 2) return MVT::v2i8;
520 if (NumElements == 4) return MVT::v4i8;
521 if (NumElements == 8) return MVT::v8i8;
522 if (NumElements == 16) return MVT::v16i8;
523 if (NumElements == 32) return MVT::v32i8;
524 if (NumElements == 64) return MVT::v64i8;
527 if (NumElements == 1) return MVT::v1i16;
528 if (NumElements == 2) return MVT::v2i16;
529 if (NumElements == 4) return MVT::v4i16;
530 if (NumElements == 8) return MVT::v8i16;
531 if (NumElements == 16) return MVT::v16i16;
532 if (NumElements == 32) return MVT::v32i16;
535 if (NumElements == 1) return MVT::v1i32;
536 if (NumElements == 2) return MVT::v2i32;
537 if (NumElements == 4) return MVT::v4i32;
538 if (NumElements == 8) return MVT::v8i32;
539 if (NumElements == 16) return MVT::v16i32;
542 if (NumElements == 1) return MVT::v1i64;
543 if (NumElements == 2) return MVT::v2i64;
544 if (NumElements == 4) return MVT::v4i64;
545 if (NumElements == 8) return MVT::v8i64;
546 if (NumElements == 16) return MVT::v16i64;
549 if (NumElements == 2) return MVT::v2f16;
550 if (NumElements == 4) return MVT::v4f16;
551 if (NumElements == 8) return MVT::v8f16;
554 if (NumElements == 1) return MVT::v1f32;
555 if (NumElements == 2) return MVT::v2f32;
556 if (NumElements == 4) return MVT::v4f32;
557 if (NumElements == 8) return MVT::v8f32;
558 if (NumElements == 16) return MVT::v16f32;
561 if (NumElements == 1) return MVT::v1f64;
562 if (NumElements == 2) return MVT::v2f64;
563 if (NumElements == 4) return MVT::v4f64;
564 if (NumElements == 8) return MVT::v8f64;
567 return (MVT::SimpleValueType)(MVT::INVALID_SIMPLE_VALUE_TYPE);
570 /// Return the value type corresponding to the specified type. This returns
571 /// all pointers as iPTR. If HandleUnknown is true, unknown types are
572 /// returned as Other, otherwise they are invalid.
573 static MVT getVT(Type *Ty, bool HandleUnknown = false);
577 } // End llvm namespace