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 || SimpleTy == MVT::v2f16 ||
200 SimpleTy == MVT::v1f32);
203 /// is64BitVector - Return true if this is a 64-bit vector type.
204 bool is64BitVector() const {
205 return (SimpleTy == MVT::v8i8 || SimpleTy == MVT::v4i16 ||
206 SimpleTy == MVT::v2i32 || SimpleTy == MVT::v1i64 ||
207 SimpleTy == MVT::v4f16 || SimpleTy == MVT::v2f32 ||
208 SimpleTy == MVT::v1f64);
211 /// is128BitVector - Return true if this is a 128-bit vector type.
212 bool is128BitVector() const {
213 return (SimpleTy == MVT::v16i8 || SimpleTy == MVT::v8i16 ||
214 SimpleTy == MVT::v4i32 || SimpleTy == MVT::v2i64 ||
215 SimpleTy == MVT::v8f16 || SimpleTy == MVT::v4f32 ||
216 SimpleTy == MVT::v2f64);
219 /// is256BitVector - Return true if this is a 256-bit vector type.
220 bool is256BitVector() const {
221 return (SimpleTy == MVT::v8f32 || SimpleTy == MVT::v4f64 ||
222 SimpleTy == MVT::v32i8 || SimpleTy == MVT::v16i16 ||
223 SimpleTy == MVT::v8i32 || SimpleTy == MVT::v4i64);
226 /// is512BitVector - Return true if this is a 512-bit vector type.
227 bool is512BitVector() const {
228 return (SimpleTy == MVT::v8f64 || SimpleTy == MVT::v16f32 ||
229 SimpleTy == MVT::v64i8 || SimpleTy == MVT::v32i16 ||
230 SimpleTy == MVT::v8i64 || SimpleTy == MVT::v16i32);
233 /// is1024BitVector - Return true if this is a 1024-bit vector type.
234 bool is1024BitVector() const {
235 return (SimpleTy == MVT::v16i64);
238 /// isOverloaded - Return true if this is an overloaded type for TableGen.
239 bool isOverloaded() const {
240 return (SimpleTy==MVT::iAny || SimpleTy==MVT::fAny ||
241 SimpleTy==MVT::vAny || SimpleTy==MVT::iPTRAny);
244 /// isPow2VectorType - Returns true if the given vector is a power of 2.
245 bool isPow2VectorType() const {
246 unsigned NElts = getVectorNumElements();
247 return !(NElts & (NElts - 1));
250 /// getPow2VectorType - Widens the length of the given vector MVT up to
251 /// the nearest power of 2 and returns that type.
252 MVT getPow2VectorType() const {
253 if (isPow2VectorType())
256 unsigned NElts = getVectorNumElements();
257 unsigned Pow2NElts = 1 << Log2_32_Ceil(NElts);
258 return MVT::getVectorVT(getVectorElementType(), Pow2NElts);
261 /// getScalarType - If this is a vector type, return the element type,
262 /// otherwise return this.
263 MVT getScalarType() const {
264 return isVector() ? getVectorElementType() : *this;
267 MVT getVectorElementType() const {
270 llvm_unreachable("Not a vector MVT!");
276 case v64i1: return i1;
283 case v64i8: return i8;
289 case v32i16: return i16;
294 case v16i32: return i32;
299 case v16i64: return i64;
302 case v8f16: return f16;
307 case v16f32: return f32;
311 case v8f64: return f64;
315 unsigned getVectorNumElements() const {
318 llvm_unreachable("Not a vector MVT!");
321 case v32i16: return 32;
323 case v64i8: return 64;
329 case v16f32: return 16;
337 case v8f64: return 8;
345 case v4f64: return 4;
353 case v2f64: return 2;
359 case v1f64: return 1;
363 unsigned getSizeInBits() const {
366 llvm_unreachable("getSizeInBits called on extended MVT.");
368 llvm_unreachable("Value type is non-standard value, Other.");
370 llvm_unreachable("Value type size is target-dependent. Ask TLI.");
375 llvm_unreachable("Value type is overloaded.");
377 llvm_unreachable("Value type is metadata.");
388 case v1i16: return 16;
396 case v1i32: return 32;
407 case v1f64: return 64;
408 case f80 : return 80;
418 case v2f64: return 128;
424 case v4f64: return 256;
430 case v8f64: return 512;
431 case v16i64:return 1024;
435 unsigned getScalarSizeInBits() const {
436 return getScalarType().getSizeInBits();
439 /// getStoreSize - Return the number of bytes overwritten by a store
440 /// of the specified value type.
441 unsigned getStoreSize() const {
442 return (getSizeInBits() + 7) / 8;
445 /// getStoreSizeInBits - Return the number of bits overwritten by a store
446 /// of the specified value type.
447 unsigned getStoreSizeInBits() const {
448 return getStoreSize() * 8;
451 /// Return true if this has more bits than VT.
452 bool bitsGT(MVT VT) const {
453 return getSizeInBits() > VT.getSizeInBits();
456 /// Return true if this has no less bits than VT.
457 bool bitsGE(MVT VT) const {
458 return getSizeInBits() >= VT.getSizeInBits();
461 /// Return true if this has less bits than VT.
462 bool bitsLT(MVT VT) const {
463 return getSizeInBits() < VT.getSizeInBits();
466 /// Return true if this has no more bits than VT.
467 bool bitsLE(MVT VT) const {
468 return getSizeInBits() <= VT.getSizeInBits();
472 static MVT getFloatingPointVT(unsigned BitWidth) {
475 llvm_unreachable("Bad bit width!");
489 static MVT getIntegerVT(unsigned BitWidth) {
492 return (MVT::SimpleValueType)(MVT::INVALID_SIMPLE_VALUE_TYPE);
508 static MVT getVectorVT(MVT VT, unsigned NumElements) {
509 switch (VT.SimpleTy) {
513 if (NumElements == 2) return MVT::v2i1;
514 if (NumElements == 4) return MVT::v4i1;
515 if (NumElements == 8) return MVT::v8i1;
516 if (NumElements == 16) return MVT::v16i1;
517 if (NumElements == 32) return MVT::v32i1;
518 if (NumElements == 64) return MVT::v64i1;
521 if (NumElements == 1) return MVT::v1i8;
522 if (NumElements == 2) return MVT::v2i8;
523 if (NumElements == 4) return MVT::v4i8;
524 if (NumElements == 8) return MVT::v8i8;
525 if (NumElements == 16) return MVT::v16i8;
526 if (NumElements == 32) return MVT::v32i8;
527 if (NumElements == 64) return MVT::v64i8;
530 if (NumElements == 1) return MVT::v1i16;
531 if (NumElements == 2) return MVT::v2i16;
532 if (NumElements == 4) return MVT::v4i16;
533 if (NumElements == 8) return MVT::v8i16;
534 if (NumElements == 16) return MVT::v16i16;
535 if (NumElements == 32) return MVT::v32i16;
538 if (NumElements == 1) return MVT::v1i32;
539 if (NumElements == 2) return MVT::v2i32;
540 if (NumElements == 4) return MVT::v4i32;
541 if (NumElements == 8) return MVT::v8i32;
542 if (NumElements == 16) return MVT::v16i32;
545 if (NumElements == 1) return MVT::v1i64;
546 if (NumElements == 2) return MVT::v2i64;
547 if (NumElements == 4) return MVT::v4i64;
548 if (NumElements == 8) return MVT::v8i64;
549 if (NumElements == 16) return MVT::v16i64;
552 if (NumElements == 2) return MVT::v2f16;
553 if (NumElements == 4) return MVT::v4f16;
554 if (NumElements == 8) return MVT::v8f16;
557 if (NumElements == 1) return MVT::v1f32;
558 if (NumElements == 2) return MVT::v2f32;
559 if (NumElements == 4) return MVT::v4f32;
560 if (NumElements == 8) return MVT::v8f32;
561 if (NumElements == 16) return MVT::v16f32;
564 if (NumElements == 1) return MVT::v1f64;
565 if (NumElements == 2) return MVT::v2f64;
566 if (NumElements == 4) return MVT::v4f64;
567 if (NumElements == 8) return MVT::v8f64;
570 return (MVT::SimpleValueType)(MVT::INVALID_SIMPLE_VALUE_TYPE);
573 /// Return the value type corresponding to the specified type. This returns
574 /// all pointers as iPTR. If HandleUnknown is true, unknown types are
575 /// returned as Other, otherwise they are invalid.
576 static MVT getVT(Type *Ty, bool HandleUnknown = false);
580 } // End llvm namespace