diff options
Diffstat (limited to 'src/gallium/drivers/llvmpipe/lp_bld_intr.c')
| -rw-r--r-- | src/gallium/drivers/llvmpipe/lp_bld_intr.c | 192 |
1 files changed, 0 insertions, 192 deletions
diff --git a/src/gallium/drivers/llvmpipe/lp_bld_intr.c b/src/gallium/drivers/llvmpipe/lp_bld_intr.c deleted file mode 100644 index 9895749d56..0000000000 --- a/src/gallium/drivers/llvmpipe/lp_bld_intr.c +++ /dev/null @@ -1,192 +0,0 @@ -/************************************************************************** - * - * Copyright 2009 VMware, Inc. - * All Rights Reserved. - * - * Permission is hereby granted, free of charge, to any person obtaining a - * copy of this software and associated documentation files (the - * "Software"), to deal in the Software without restriction, including - * without limitation the rights to use, copy, modify, merge, publish, - * distribute, sub license, and/or sell copies of the Software, and to - * permit persons to whom the Software is furnished to do so, subject to - * the following conditions: - * - * The above copyright notice and this permission notice (including the - * next paragraph) shall be included in all copies or substantial portions - * of the Software. - * - * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS - * OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF - * MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND NON-INFRINGEMENT. - * IN NO EVENT SHALL VMWARE AND/OR ITS SUPPLIERS BE LIABLE FOR - * ANY CLAIM, DAMAGES OR OTHER LIABILITY, WHETHER IN AN ACTION OF CONTRACT, - * TORT OR OTHERWISE, ARISING FROM, OUT OF OR IN CONNECTION WITH THE - * SOFTWARE OR THE USE OR OTHER DEALINGS IN THE SOFTWARE. - * - **************************************************************************/ - - -/** - * @file - * Helpers for emiting intrinsic calls. - * - * LLVM vanilla IR doesn't represent all basic arithmetic operations we care - * about, and it is often necessary to resort target-specific intrinsics for - * performance, convenience. - * - * Ideally we would like to stay away from target specific intrinsics and - * move all the instruction selection logic into upstream LLVM where it belongs. - * - * These functions are also used for calling C functions provided by us from - * generated LLVM code. - * - * @author Jose Fonseca <jfonseca@vmware.com> - */ - - -#include "util/u_debug.h" - -#include "lp_bld_intr.h" - - -LLVMValueRef -lp_declare_intrinsic(LLVMModuleRef module, - const char *name, - LLVMTypeRef ret_type, - LLVMTypeRef *arg_types, - unsigned num_args) -{ - LLVMTypeRef function_type; - LLVMValueRef function; - - assert(!LLVMGetNamedFunction(module, name)); - - function_type = LLVMFunctionType(ret_type, arg_types, num_args, 0); - function = LLVMAddFunction(module, name, function_type); - - LLVMSetFunctionCallConv(function, LLVMCCallConv); - LLVMSetLinkage(function, LLVMExternalLinkage); - - assert(LLVMIsDeclaration(function)); - - if(name[0] == 'l' && - name[1] == 'l' && - name[2] == 'v' && - name[3] == 'm' && - name[4] == '.') - assert(LLVMGetIntrinsicID(function)); - - return function; -} - - -LLVMValueRef -lp_build_intrinsic(LLVMBuilderRef builder, - const char *name, - LLVMTypeRef ret_type, - LLVMValueRef *args, - unsigned num_args) -{ - LLVMModuleRef module = LLVMGetGlobalParent(LLVMGetBasicBlockParent(LLVMGetInsertBlock(builder))); - LLVMValueRef function; - - function = LLVMGetNamedFunction(module, name); - if(!function) { - LLVMTypeRef arg_types[LP_MAX_FUNC_ARGS]; - unsigned i; - - assert(num_args <= LP_MAX_FUNC_ARGS); - - for(i = 0; i < num_args; ++i) { - assert(args[i]); - arg_types[i] = LLVMTypeOf(args[i]); - } - - function = lp_declare_intrinsic(module, name, ret_type, arg_types, num_args); - } - - return LLVMBuildCall(builder, function, args, num_args, ""); -} - - -LLVMValueRef -lp_build_intrinsic_unary(LLVMBuilderRef builder, - const char *name, - LLVMTypeRef ret_type, - LLVMValueRef a) -{ - return lp_build_intrinsic(builder, name, ret_type, &a, 1); -} - - -LLVMValueRef -lp_build_intrinsic_binary(LLVMBuilderRef builder, - const char *name, - LLVMTypeRef ret_type, - LLVMValueRef a, - LLVMValueRef b) -{ - LLVMValueRef args[2]; - - args[0] = a; - args[1] = b; - - return lp_build_intrinsic(builder, name, ret_type, args, 2); -} - - -LLVMValueRef -lp_build_intrinsic_map(LLVMBuilderRef builder, - const char *name, - LLVMTypeRef ret_type, - LLVMValueRef *args, - unsigned num_args) -{ - LLVMTypeRef ret_elem_type = LLVMGetElementType(ret_type); - unsigned n = LLVMGetVectorSize(ret_type); - unsigned i, j; - LLVMValueRef res; - - assert(num_args <= LP_MAX_FUNC_ARGS); - - res = LLVMGetUndef(ret_type); - for(i = 0; i < n; ++i) { - LLVMValueRef index = LLVMConstInt(LLVMInt32Type(), i, 0); - LLVMValueRef arg_elems[LP_MAX_FUNC_ARGS]; - LLVMValueRef res_elem; - for(j = 0; j < num_args; ++j) - arg_elems[j] = LLVMBuildExtractElement(builder, args[j], index, ""); - res_elem = lp_build_intrinsic(builder, name, ret_elem_type, arg_elems, num_args); - res = LLVMBuildInsertElement(builder, res, res_elem, index, ""); - } - - return res; -} - - -LLVMValueRef -lp_build_intrinsic_map_unary(LLVMBuilderRef builder, - const char *name, - LLVMTypeRef ret_type, - LLVMValueRef a) -{ - return lp_build_intrinsic_map(builder, name, ret_type, &a, 1); -} - - -LLVMValueRef -lp_build_intrinsic_map_binary(LLVMBuilderRef builder, - const char *name, - LLVMTypeRef ret_type, - LLVMValueRef a, - LLVMValueRef b) -{ - LLVMValueRef args[2]; - - args[0] = a; - args[1] = b; - - return lp_build_intrinsic_map(builder, name, ret_type, args, 2); -} - - |