1 /**************************************************************************
3 * Copyright 2009 VMware, Inc.
6 * Permission is hereby granted, free of charge, to any person obtaining a
7 * copy of this software and associated documentation files (the
8 * "Software"), to deal in the Software without restriction, including
9 * without limitation the rights to use, copy, modify, merge, publish,
10 * distribute, sub license, and/or sell copies of the Software, and to
11 * permit persons to whom the Software is furnished to do so, subject to
12 * the following conditions:
14 * The above copyright notice and this permission notice (including the
15 * next paragraph) shall be included in all copies or substantial portions
18 * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS
19 * OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF
20 * MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND NON-INFRINGEMENT.
21 * IN NO EVENT SHALL VMWARE AND/OR ITS SUPPLIERS BE LIABLE FOR
22 * ANY CLAIM, DAMAGES OR OTHER LIABILITY, WHETHER IN AN ACTION OF CONTRACT,
23 * TORT OR OTHERWISE, ARISING FROM, OUT OF OR IN CONNECTION WITH THE
24 * SOFTWARE OR THE USE OR OTHER DEALINGS IN THE SOFTWARE.
26 **************************************************************************/
29 #include "util/u_debug.h"
31 #include "lp_bld_type.h"
32 #include "lp_bld_const.h"
36 lp_build_elem_type(struct lp_type type
)
41 return LLVMFloatType();
44 return LLVMDoubleType();
48 return LLVMFloatType();
52 return LLVMIntType(type
.width
);
58 lp_build_vec_type(struct lp_type type
)
60 LLVMTypeRef elem_type
= lp_build_elem_type(type
);
64 return LLVMVectorType(elem_type
, type
.length
);
69 * This function is a mirror of lp_build_elem_type() above.
71 * XXX: I'm not sure if it wouldn't be easier/efficient to just recreate the
72 * type and check for identity.
75 lp_check_elem_type(struct lp_type type
, LLVMTypeRef elem_type
)
77 LLVMTypeKind elem_kind
;
83 elem_kind
= LLVMGetTypeKind(elem_type
);
88 if(elem_kind
!= LLVMFloatTypeKind
)
92 if(elem_kind
!= LLVMDoubleTypeKind
)
101 if(elem_kind
!= LLVMIntegerTypeKind
)
104 if(LLVMGetIntTypeWidth(elem_type
) != type
.width
)
113 lp_check_vec_type(struct lp_type type
, LLVMTypeRef vec_type
)
115 LLVMTypeRef elem_type
;
121 if (type
.length
== 1)
122 return lp_check_elem_type(type
, vec_type
);
124 if(LLVMGetTypeKind(vec_type
) != LLVMVectorTypeKind
)
127 if(LLVMGetVectorSize(vec_type
) != type
.length
)
130 elem_type
= LLVMGetElementType(vec_type
);
132 return lp_check_elem_type(type
, elem_type
);
137 lp_check_value(struct lp_type type
, LLVMValueRef val
)
139 LLVMTypeRef vec_type
;
145 vec_type
= LLVMTypeOf(val
);
147 return lp_check_vec_type(type
, vec_type
);
152 lp_build_int_elem_type(struct lp_type type
)
154 return LLVMIntType(type
.width
);
159 lp_build_int_vec_type(struct lp_type type
)
161 LLVMTypeRef elem_type
= lp_build_int_elem_type(type
);
162 if (type
.length
== 1)
165 return LLVMVectorType(elem_type
, type
.length
);
170 * Build int32[4] vector type
173 lp_build_int32_vec4_type(void)
178 memset(&t
, 0, sizeof(t
));
179 t
.floating
= FALSE
; /* floating point values */
180 t
.sign
= TRUE
; /* values are signed */
181 t
.norm
= FALSE
; /* values are not limited to [0,1] or [-1,1] */
182 t
.width
= 32; /* 32-bit int */
183 t
.length
= 4; /* 4 elements per vector */
185 type
= lp_build_int_elem_type(t
);
186 return LLVMVectorType(type
, t
.length
);
191 * Create element of vector type
194 lp_elem_type(struct lp_type type
)
196 struct lp_type res_type
;
198 assert(type
.length
> 1);
207 * Create unsigned integer type variation of given type.
210 lp_uint_type(struct lp_type type
)
212 struct lp_type res_type
;
214 assert(type
.length
<= LP_MAX_VECTOR_LENGTH
);
215 memset(&res_type
, 0, sizeof res_type
);
216 res_type
.width
= type
.width
;
217 res_type
.length
= type
.length
;
224 * Create signed integer type variation of given type.
227 lp_int_type(struct lp_type type
)
229 struct lp_type res_type
;
231 assert(type
.length
<= LP_MAX_VECTOR_LENGTH
);
232 memset(&res_type
, 0, sizeof res_type
);
233 res_type
.width
= type
.width
;
234 res_type
.length
= type
.length
;
242 * Return the type with twice the bit width (hence half the number of elements).
245 lp_wider_type(struct lp_type type
)
247 struct lp_type res_type
;
249 memcpy(&res_type
, &type
, sizeof res_type
);
251 res_type
.length
/= 2;
253 assert(res_type
.length
);
260 * Return the size of the LLVMType in bits.
261 * XXX this function doesn't necessarily handle all LLVM types.
264 lp_sizeof_llvm_type(LLVMTypeRef t
)
266 LLVMTypeKind k
= LLVMGetTypeKind(t
);
269 case LLVMIntegerTypeKind
:
270 return LLVMGetIntTypeWidth(t
);
271 case LLVMFloatTypeKind
:
272 return 8 * sizeof(float);
273 case LLVMDoubleTypeKind
:
274 return 8 * sizeof(double);
275 case LLVMVectorTypeKind
:
277 LLVMTypeRef elem
= LLVMGetElementType(t
);
278 unsigned len
= LLVMGetVectorSize(t
);
279 return len
* lp_sizeof_llvm_type(elem
);
282 case LLVMArrayTypeKind
:
284 LLVMTypeRef elem
= LLVMGetElementType(t
);
285 unsigned len
= LLVMGetArrayLength(t
);
286 return len
* lp_sizeof_llvm_type(elem
);
290 assert(0 && "Unexpected type in lp_get_llvm_type_size()");
297 * Return string name for a LLVMTypeKind. Useful for debugging.
300 lp_typekind_name(LLVMTypeKind t
)
303 case LLVMVoidTypeKind
:
304 return "LLVMVoidTypeKind";
305 case LLVMFloatTypeKind
:
306 return "LLVMFloatTypeKind";
307 case LLVMDoubleTypeKind
:
308 return "LLVMDoubleTypeKind";
309 case LLVMX86_FP80TypeKind
:
310 return "LLVMX86_FP80TypeKind";
311 case LLVMFP128TypeKind
:
312 return "LLVMFP128TypeKind";
313 case LLVMPPC_FP128TypeKind
:
314 return "LLVMPPC_FP128TypeKind";
315 case LLVMLabelTypeKind
:
316 return "LLVMLabelTypeKind";
317 case LLVMIntegerTypeKind
:
318 return "LLVMIntegerTypeKind";
319 case LLVMFunctionTypeKind
:
320 return "LLVMFunctionTypeKind";
321 case LLVMStructTypeKind
:
322 return "LLVMStructTypeKind";
323 case LLVMArrayTypeKind
:
324 return "LLVMArrayTypeKind";
325 case LLVMPointerTypeKind
:
326 return "LLVMPointerTypeKind";
327 case LLVMOpaqueTypeKind
:
328 return "LLVMOpaqueTypeKind";
329 case LLVMVectorTypeKind
:
330 return "LLVMVectorTypeKind";
331 case LLVMMetadataTypeKind
:
332 return "LLVMMetadataTypeKind";
333 /* Only in LLVM 2.7 and later???
334 case LLVMUnionTypeKind:
335 return "LLVMUnionTypeKind";
338 return "unknown LLVMTypeKind";
344 * Print an LLVMTypeRef. Like LLVMDumpValue(). For debugging.
347 lp_dump_llvmtype(LLVMTypeRef t
)
349 LLVMTypeKind k
= LLVMGetTypeKind(t
);
351 if (k
== LLVMVectorTypeKind
) {
352 LLVMTypeRef te
= LLVMGetElementType(t
);
353 LLVMTypeKind ke
= LLVMGetTypeKind(te
);
354 unsigned len
= LLVMGetVectorSize(t
);
355 if (ke
== LLVMIntegerTypeKind
) {
356 unsigned b
= LLVMGetIntTypeWidth(te
);
357 debug_printf("Vector [%u] of %u-bit Integer\n", len
, b
);
360 debug_printf("Vector [%u] of %s\n", len
, lp_typekind_name(ke
));
363 else if (k
== LLVMArrayTypeKind
) {
364 LLVMTypeRef te
= LLVMGetElementType(t
);
365 LLVMTypeKind ke
= LLVMGetTypeKind(te
);
366 unsigned len
= LLVMGetArrayLength(t
);
367 debug_printf("Array [%u] of %s\n", len
, lp_typekind_name(ke
));
369 else if (k
== LLVMIntegerTypeKind
) {
370 unsigned b
= LLVMGetIntTypeWidth(t
);
371 debug_printf("%u-bit Integer\n", b
);
373 else if (k
== LLVMPointerTypeKind
) {
374 LLVMTypeRef te
= LLVMGetElementType(t
);
375 debug_printf("Pointer to ");
376 lp_dump_llvmtype(te
);
379 debug_printf("%s\n", lp_typekind_name(k
));
385 lp_build_context_init(struct lp_build_context
*bld
,
386 LLVMBuilderRef builder
,
389 bld
->builder
= builder
;
392 bld
->int_elem_type
= lp_build_int_elem_type(type
);
394 bld
->elem_type
= lp_build_elem_type(type
);
396 bld
->elem_type
= bld
->int_elem_type
;
398 if (type
.length
== 1) {
399 bld
->int_vec_type
= bld
->int_elem_type
;
400 bld
->vec_type
= bld
->elem_type
;
403 bld
->int_vec_type
= LLVMVectorType(bld
->int_elem_type
, type
.length
);
404 bld
->vec_type
= LLVMVectorType(bld
->elem_type
, type
.length
);
407 bld
->undef
= LLVMGetUndef(bld
->vec_type
);
408 bld
->zero
= LLVMConstNull(bld
->vec_type
);
409 bld
->one
= lp_build_one(type
);