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/*
* Copyright 2012, 2013 Advanced Micro Devices, Inc.
*
* 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, sublicense,
* 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 NONINFRINGEMENT. IN NO EVENT SHALL
* THE AUTHORS OR COPYRIGHT HOLDERS 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.
*
* Authors: Tom Stellard <thomas.stellard@amd.com>
*
*/
#include "radeon_llvm_util.h"
#include "util/u_memory.h"
#include <llvm-c/BitReader.h>
#include <llvm-c/Core.h>
LLVMModuleRef radeon_llvm_parse_bitcode(const unsigned char * bitcode,
unsigned bitcode_len)
{
LLVMMemoryBufferRef buf;
LLVMModuleRef module = LLVMModuleCreateWithName("radeon");
buf = LLVMCreateMemoryBufferWithMemoryRangeCopy((const char*)bitcode,
bitcode_len, "radeon");
LLVMParseBitcode(buf, &module, NULL);
return module;
}
unsigned radeon_llvm_get_num_kernels(const unsigned char *bitcode,
unsigned bitcode_len)
{
LLVMModuleRef mod = radeon_llvm_parse_bitcode(bitcode, bitcode_len);
return LLVMGetNamedMetadataNumOperands(mod, "opencl.kernels");
}
LLVMModuleRef radeon_llvm_get_kernel_module(unsigned index,
const unsigned char *bitcode, unsigned bitcode_len)
{
LLVMModuleRef mod;
unsigned num_kernels;
LLVMValueRef *kernel_metadata;
unsigned i;
mod = radeon_llvm_parse_bitcode(bitcode, bitcode_len);
num_kernels = LLVMGetNamedMetadataNumOperands(mod, "opencl.kernels");
kernel_metadata = MALLOC(num_kernels * sizeof(LLVMValueRef));
LLVMGetNamedMetadataOperands(mod, "opencl.kernels", kernel_metadata);
for (i = 0; i < num_kernels; i++) {
LLVMValueRef kernel_signature, kernel_function;
if (i == index) {
continue;
}
kernel_signature = kernel_metadata[i];
LLVMGetMDNodeOperands(kernel_signature, &kernel_function);
LLVMDeleteFunction(kernel_function);
}
FREE(kernel_metadata);
return mod;
}
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