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rose: don't build empty sparse iter subprograms

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This commit is contained in:
Justin Viiret 2016-06-20 16:38:03 +10:00 committed by Matthew Barr
parent 679042779a
commit 6239805561
1 changed files with 8 additions and 0 deletions
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8
src/rose/rose_build_bytecode.cpp
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@ -3409,6 +3409,7 @@ void addPredBlocksSingle(
for (const auto &m : predProgramLists) {
const u32 &pred_state = m.first;
assert(!m.second.empty());
auto subprog = flattenProgram(m.second);
// Check our pred state.
@ -3465,6 +3466,7 @@ void addPredBlocksMulti(build_context &bc,
DEBUG_PRINTF("subprogram %zu has offset %u\n", jump_table.size(),
curr_offset);
jump_table.push_back(curr_offset);
assert(!e.second.empty());
auto subprog = flattenProgram(e.second);
if (e.first != keys.back()) {
@ -3800,6 +3802,9 @@ vector<RoseInstruction> buildLiteralProgram(RoseBuildImpl &build,
assert(contains(bc.roleStateIndices, u));
u32 pred_state = bc.roleStateIndices.at(u);
auto program = makeProgram(build, bc, e);
if (program.empty()) {
continue;
}
predProgramLists[pred_state].push_back(program);
}
@ -4047,6 +4052,9 @@ void addEodAnchorProgram(RoseBuildImpl &build, build_context &bc,
u32 predStateIdx = bc.roleStateIndices.at(u);
auto program = makeEodAnchorProgram(build, bc, e, multiple_preds);
if (program.empty()) {
continue;
}
predProgramLists[predStateIdx].push_back(program);
}
}