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make the inliner do less work for leaf functions.

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git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@101846 91177308-0d34-0410-b5e6-96231b3b80d8
This commit is contained in:
Chris Lattner 2010-04-20 00:47:08 +00:00
parent eae220259f
commit 4471136e4d
1 changed files with 4 additions and 0 deletions
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4
lib/Transforms/IPO/Inliner.cpp
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@ -333,6 +333,10 @@ bool Inliner::runOnSCC(CallGraphSCC &SCC) {
DEBUG(dbgs() << ": " << CallSites.size() << " call sites.\n"); DEBUG(dbgs() << ": " << CallSites.size() << " call sites.\n");
// If there are no calls in this function, exit early.
if (CallSites.empty())
return false;
// Now that we have all of the call sites, move the ones to functions in the // Now that we have all of the call sites, move the ones to functions in the
// current SCC to the end of the list. // current SCC to the end of the list.
unsigned FirstCallInSCC = CallSites.size(); unsigned FirstCallInSCC = CallSites.size();