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Use friendly names for Ids

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This commit is contained in:
David Neto 2016-08-10 15:28:11 -04:00
parent 996a814ae3
commit 8a5ce18f12
1 changed files with 12 additions and 5 deletions
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17
tools/cfg/bin_to_dot.cpp
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@ -31,6 +31,7 @@
#include <vector>
#include "assembly_grammar.h"
#include "name_mapper.h"
namespace {
@ -41,7 +42,8 @@ const char* kContinueStyle = "style=dotted";
// a SPIR-V module.
class DotConverter {
public:
DotConverter(std::iostream* out) : out_(*out) {}
DotConverter(libspirv::NameMapper name_mapper, std::iostream* out)
: name_mapper_(name_mapper), out_(*out) {}
// Emits the graph preamble.
void Begin() const {
@ -81,6 +83,9 @@ class DotConverter {
// otherwise.
uint32_t continue_target_ = 0;
// An object for mapping Ids to names.
libspirv::NameMapper name_mapper_;
// The output stream.
std::ostream& out_;
};
@ -137,10 +142,11 @@ spv_result_t DotConverter::HandleInstruction(
void DotConverter::FlushBlock(const std::vector<uint32_t>& successors) {
out_ << current_block_id_;
if (!seen_function_entry_block_) {
out_ << " [label=\"" << current_block_id_ << "\nFn " << current_function_id_
<< " entry\", shape=box]";
out_ << " [label=\"" << name_mapper_(current_block_id_) << "\nFn "
<< name_mapper_(current_function_id_) << " entry\", shape=box];\n";
} else {
out_ << " [label=\"" << name_mapper_(current_block_id_) << "\"];\n";
}
out_ << ";\n";
for (auto successor : successors) {
out_ << current_block_id_ << " -> " << successor << ";\n";
@ -179,7 +185,8 @@ spv_result_t BinaryToDot(const spv_const_context context, const uint32_t* words,
const libspirv::AssemblyGrammar grammar(context);
if (!grammar.isValid()) return SPV_ERROR_INVALID_TABLE;
DotConverter converter(out);
libspirv::FriendlyNameMapper friendly_mapper(context, words, num_words);
DotConverter converter(friendly_mapper.GetNameMapper(), out);
converter.Begin();
if (auto error = spvBinaryParse(context, &converter, words, num_words,
nullptr, HandleInstruction, diagnostic)) {