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#include <array>
#include <iomanip>
#include "aco_ir.h"
#include "llvm-c/Disassembler.h"
#include "ac_llvm_util.h"
#include <llvm/ADT/StringRef.h>
namespace aco {
void print_asm(Program *program, std::vector<uint32_t>& binary,
unsigned exec_size, std::ostream& out)
{
std::vector<bool> referenced_blocks(program->blocks.size());
referenced_blocks[0] = true;
for (Block& block : program->blocks) {
for (unsigned succ : block.linear_succs)
referenced_blocks[succ] = true;
}
std::vector<std::tuple<uint64_t, llvm::StringRef, uint8_t>> symbols;
std::vector<std::array<char,16>> block_names;
block_names.reserve(program->blocks.size());
for (Block& block : program->blocks) {
if (!referenced_blocks[block.index])
continue;
std::array<char, 16> name;
sprintf(name.data(), "BB%u", block.index);
block_names.push_back(name);
symbols.emplace_back(block.offset * 4, llvm::StringRef(block_names[block_names.size() - 1].data()), 0);
}
const char *features = "";
if (program->chip_class >= GFX10 && program->wave_size == 64) {
features = "+wavefrontsize64";
}
LLVMDisasmContextRef disasm = LLVMCreateDisasmCPUFeatures("amdgcn-mesa-mesa3d",
ac_get_llvm_processor_name(program->family),
features,
&symbols, 0, NULL, NULL);
char outline[1024];
size_t pos = 0;
bool invalid = false;
unsigned next_block = 0;
while (pos < exec_size) {
while (next_block < program->blocks.size() && pos == program->blocks[next_block].offset) {
if (referenced_blocks[next_block])
out << "BB" << std::dec << next_block << ":" << std::endl;
next_block++;
}
size_t l = LLVMDisasmInstruction(disasm, (uint8_t *) &binary[pos],
(exec_size - pos) * sizeof(uint32_t), pos * 4,
outline, sizeof(outline));
size_t new_pos;
const int align_width = 60;
if (program->chip_class == GFX9 && !l && ((binary[pos] & 0xffff8000) == 0xd1348000)) { /* not actually an invalid instruction */
out << std::left << std::setw(align_width) << std::setfill(' ') << "\tv_add_u32_e64 + clamp";
new_pos = pos + 2;
} else if (!l) {
out << std::left << std::setw(align_width) << std::setfill(' ') << "(invalid instruction)";
new_pos = pos + 1;
invalid = true;
} else {
out << std::left << std::setw(align_width) << std::setfill(' ') << outline;
assert(l % 4 == 0);
new_pos = pos + l / 4;
}
out << std::right;
out << " ;";
for (; pos < new_pos; pos++)
out << " " << std::setfill('0') << std::setw(8) << std::hex << binary[pos];
out << std::endl;
}
out << std::setfill(' ') << std::setw(0) << std::dec;
assert(next_block == program->blocks.size());
LLVMDisasmDispose(disasm);
if (program->constant_data.size()) {
out << std::endl << "/* constant data */" << std::endl;
for (unsigned i = 0; i < program->constant_data.size(); i += 32) {
out << '[' << std::setw(6) << std::setfill('0') << std::dec << i << ']';
unsigned line_size = std::min<size_t>(program->constant_data.size() - i, 32);
for (unsigned j = 0; j < line_size; j += 4) {
unsigned size = std::min<size_t>(program->constant_data.size() - (i + j), 4);
uint32_t v = 0;
memcpy(&v, &program->constant_data[i + j], size);
out << " " << std::setw(8) << std::setfill('0') << std::hex << v;
}
out << std::endl;
}
}
out << std::setfill(' ') << std::setw(0) << std::dec;
if (invalid) {
/* Invalid instructions usually lead to GPU hangs, which can make
* getting the actual invalid instruction hard. Abort here so that we
* can find the problem.
*/
abort();
}
}
}
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