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

Actually, leave the check in. This prevents us from counting dead arguments 

as IPCP opportunities.

llvm-svn: 17680
This commit is contained in:
Chris Lattner 2004-11-11 07:47:54 +00:00
parent 5fa696f8e4
commit 9621dfab3f
1 changed files with 1 additions and 1 deletions
Show Stats Download Patch File Download Diff File Expand all files Collapse all files

2
llvm/lib/Transforms/IPO/IPConstantPropagation.cpp
View File

@ -113,7 +113,7 @@ bool IPCP::processFunction(Function &F) {
bool MadeChange = false; bool MadeChange = false;
for (unsigned i = 0, e = ArgumentConstants.size(); i != e; ++i, ++AI) for (unsigned i = 0, e = ArgumentConstants.size(); i != e; ++i, ++AI)
// Do we have a constant argument!? // Do we have a constant argument!?
if (!ArgumentConstants[i].second) { if (!ArgumentConstants[i].second && !AI->use_empty()) {
Value *V = ArgumentConstants[i].first; Value *V = ArgumentConstants[i].first;
if (V == 0) V = UndefValue::get(AI->getType()); if (V == 0) V = UndefValue::get(AI->getType());
AI->replaceAllUsesWith(V); AI->replaceAllUsesWith(V);