diff options
| author | Dale Johannesen <dalej@apple.com> | 2009-01-24 01:27:33 +0000 |
|---|---|---|
| committer | Dale Johannesen <dalej@apple.com> | 2009-01-24 01:27:33 +0000 |
| commit | e4e094b52d278ea112cadd6aef5e565e1a2bcb1d (patch) | |
| tree | 5a10c80ba96b66ca5de1dd03ba4f560d838dfeb3 /lib/Transforms/Utils/InlineCost.cpp | |
| parent | 3914f721cc95bb1e8534101a6bb62dc484ef7520 (diff) | |
Improve the inlining cost function a bit.
Little practical effect.
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@62908 91177308-0d34-0410-b5e6-96231b3b80d8
Diffstat (limited to 'lib/Transforms/Utils/InlineCost.cpp')
| -rw-r--r-- | lib/Transforms/Utils/InlineCost.cpp | 9 |
1 files changed, 6 insertions, 3 deletions
diff --git a/lib/Transforms/Utils/InlineCost.cpp b/lib/Transforms/Utils/InlineCost.cpp index 80516723d0..37d2c0352a 100644 --- a/lib/Transforms/Utils/InlineCost.cpp +++ b/lib/Transforms/Utils/InlineCost.cpp @@ -121,9 +121,12 @@ void InlineCostAnalyzer::FunctionInfo::analyzeFunction(Function *F) { } // Calls often compile into many machine instructions. Bump up their - // cost to reflect this. - if (!isa<IntrinsicInst>(II)) - NumInsts += 5; + // cost to reflect this. Allow an extra instruction per parameter. + if (!isa<IntrinsicInst>(II)) { + for (CallSite::arg_iterator I = CS.arg_begin(), E = CS.arg_end(); + I != E; ++I) + NumInsts ++; + } } if (const AllocaInst *AI = dyn_cast<AllocaInst>(II)) { |