diff options
Diffstat (limited to 'llvm/lib/Transforms/IPO/PassManagerBuilder.cpp')
| -rw-r--r-- | llvm/lib/Transforms/IPO/PassManagerBuilder.cpp | 4 |
1 files changed, 4 insertions, 0 deletions
diff --git a/llvm/lib/Transforms/IPO/PassManagerBuilder.cpp b/llvm/lib/Transforms/IPO/PassManagerBuilder.cpp index 0505135673b..9e241aa335a 100644 --- a/llvm/lib/Transforms/IPO/PassManagerBuilder.cpp +++ b/llvm/lib/Transforms/IPO/PassManagerBuilder.cpp @@ -896,6 +896,10 @@ void PassManagerBuilder::addLTOOptimizationPasses(legacy::PassManagerBase &PM) { // Break up allocas PM.add(createSROAPass()); + // LTO provides additional opportunities for tailcall elimination due to + // link-time inlining, and visibility of nocapture attribute. + PM.add(createTailCallEliminationPass()); + // Run a few AA driven optimizations here and now, to cleanup the code. PM.add(createPostOrderFunctionAttrsLegacyPass()); // Add nocapture. PM.add(createGlobalsAAWrapperPass()); // IP alias analysis. |
