maxjhandsome
/
llvm-project
forked from OSchip/llvm-project
1
0
Fork 0
Code Issues Pull Requests Packages Releases Wiki Activity

Only compute the module levels info once per module, instead of once 

per function.  This speeds up bcwriting on 447.dealII from 10.16s to 6.81s
(49%).

llvm-svn: 34132
This commit is contained in:
Chris Lattner 2007-02-10 05:54:33 +00:00
parent a6214fea08
commit 82a06ec1ca
1 changed files with 7 additions and 15 deletions
Show Stats Download Patch File Download Diff File Expand all files Collapse all files

22
llvm/lib/Bytecode/Writer/SlotCalculator.cpp
View File

@ -181,6 +181,13 @@ void SlotCalculator::processModule() {
}
}
// Compute the ModuleLevel entries.
ModuleLevel.resize(getNumPlanes());
for (unsigned i = 0, e = getNumPlanes(); i != e; ++i)
ModuleLevel[i] = getPlane(i).size();
ModuleTypeLevel = Types.size();
SC_DEBUG("end processModule!\n");
}
@ -278,17 +285,8 @@ unsigned SlotCalculator::getOrCreateTypeSlot(const Type *Ty) {
void SlotCalculator::incorporateFunction(const Function *F) {
assert((ModuleLevel.empty() ||
ModuleTypeLevel == 0) && "Module already incorporated!");
SC_DEBUG("begin processFunction!\n");
// Update the ModuleLevel entries to be accurate.
ModuleLevel.resize(getNumPlanes());
for (unsigned i = 0, e = getNumPlanes(); i != e; ++i)
ModuleLevel[i] = getPlane(i).size();
ModuleTypeLevel = Types.size();
// Iterate over function arguments, adding them to the value table...
for(Function::const_arg_iterator I = F->arg_begin(), E = F->arg_end();
I != E; ++I)
@ -309,8 +307,6 @@ void SlotCalculator::incorporateFunction(const Function *F) {
}
void SlotCalculator::purgeFunction() {
assert((ModuleLevel.size() != 0 ||
ModuleTypeLevel != 0) && "Module not incorporated!");
unsigned NumModuleTypes = ModuleLevel.size();
SC_DEBUG("begin purgeFunction!\n");
@ -332,10 +328,6 @@ void SlotCalculator::purgeFunction() {
}
}
// We don't need this state anymore, free it up.
ModuleLevel.clear();
ModuleTypeLevel = 0;
// Finally, remove any type planes defined by the function...
while (Table.size() > NumModuleTypes) {
TypePlane &Plane = Table.back();