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| author | Jakob Stoklund Olesen <stoklund@2pi.dk> | 2010-01-26 21:31:24 +0000 |
|---|---|---|
| committer | Jakob Stoklund Olesen <stoklund@2pi.dk> | 2010-01-26 21:31:24 +0000 |
| commit | e3039b6712a5b3464d43b34aeeb1c7a881c7cafc (patch) | |
| tree | a6ffcc7c159dfdead9f5e8e8cf624585a2c44404 | |
| parent | b554499871716fe647e226e52741b7fa69f7b7ba (diff) | |
Skip calculation of ArgumentWeights if it will never be used.
Save a few bytes by allocating the correct size vector.
No functional change intended.
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@94589 91177308-0d34-0410-b5e6-96231b3b80d8
| -rw-r--r-- | lib/Analysis/InlineCost.cpp | 6 |
1 files changed, 6 insertions, 0 deletions
diff --git a/lib/Analysis/InlineCost.cpp b/lib/Analysis/InlineCost.cpp index 651c918a37..595d41c341 100644 --- a/lib/Analysis/InlineCost.cpp +++ b/lib/Analysis/InlineCost.cpp @@ -223,8 +223,14 @@ void InlineCostAnalyzer::FunctionInfo::analyzeFunction(Function *F) { if (Metrics.NumRets==1) --Metrics.NumInsts; + // Don't bother calculating argument weights if we are never going to inline + // the function anyway. + if (Metrics.NeverInline) + return; + // Check out all of the arguments to the function, figuring out how much // code can be eliminated if one of the arguments is a constant. + ArgumentWeights.reserve(F->arg_size()); for (Function::arg_iterator I = F->arg_begin(), E = F->arg_end(); I != E; ++I) ArgumentWeights.push_back(ArgInfo(CountCodeReductionForConstant(I), CountCodeReductionForAlloca(I))); |