6502/llvm-6502
1
0
Fork 0
mirror of https://github.com/c64scene-ar/llvm-6502.git synced 2025-02-09 13:33:17 +00:00
Code Issues Projects Releases Wiki Activity

Only cound if we actually made a change.

Browse Source 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@18800 91177308-0d34-0410-b5e6-96231b3b80d8
This commit is contained in:
Chris Lattner 2004-12-11 17:00:14 +00:00
parent 284d1b8827
commit 2ffa47b6bf
1 changed files with 6 additions and 3 deletions
Show Stats Download Patch File Download Diff File Expand all files Collapse all files

9
lib/Transforms/IPO/IPConstantPropagation.cpp
View File

@ -180,9 +180,12 @@ bool IPCP::PropagateConstantReturn(Function &F) {
if (ReplacedAllUsers && F.hasInternalLinkage() && !isa<UndefValue>(RetVal)) {
Value *RV = UndefValue::get(RetVal->getType());
for (Function::iterator BB = F.begin(), E = F.end(); BB != E; ++BB)
if (ReturnInst *RI = dyn_cast<ReturnInst>(BB->getTerminator()))
RI->setOperand(0, RV);
MadeChange = true;
if (ReturnInst *RI = dyn_cast<ReturnInst>(BB->getTerminator())) {
if (RI->getOperand(0) != RV) {
RI->setOperand(0, RV);
MadeChange = true;
}
}
}
if (MadeChange) ++NumReturnValProped;