diff options
| -rw-r--r-- | include/llvm/Transforms/IPO/PassManagerBuilder.h | 1 | ||||
| -rw-r--r-- | lib/Transforms/IPO/PassManagerBuilder.cpp | 4 |
2 files changed, 4 insertions, 1 deletions
diff --git a/include/llvm/Transforms/IPO/PassManagerBuilder.h b/include/llvm/Transforms/IPO/PassManagerBuilder.h index 42b6b27d0c..bfd58f1175 100644 --- a/include/llvm/Transforms/IPO/PassManagerBuilder.h +++ b/include/llvm/Transforms/IPO/PassManagerBuilder.h @@ -106,6 +106,7 @@ public: /// added to the per-module passes. Pass *Inliner; + bool DisableTailCalls; bool DisableUnitAtATime; bool DisableUnrollLoops; bool BBVectorize; diff --git a/lib/Transforms/IPO/PassManagerBuilder.cpp b/lib/Transforms/IPO/PassManagerBuilder.cpp index 76f7c1098b..052d24f58a 100644 --- a/lib/Transforms/IPO/PassManagerBuilder.cpp +++ b/lib/Transforms/IPO/PassManagerBuilder.cpp @@ -58,6 +58,7 @@ PassManagerBuilder::PassManagerBuilder() { SizeLevel = 0; LibraryInfo = 0; Inliner = 0; + DisableTailCalls = false; DisableUnitAtATime = false; DisableUnrollLoops = false; BBVectorize = RunBBVectorization; @@ -183,7 +184,8 @@ void PassManagerBuilder::populateModulePassManager(PassManagerBase &MPM) { MPM.add(createCFGSimplificationPass()); // Merge & remove BBs MPM.add(createInstructionCombiningPass()); // Combine silly seq's - MPM.add(createTailCallEliminationPass()); // Eliminate tail calls + if (!DisableTailCalls) + MPM.add(createTailCallEliminationPass()); // Eliminate tail calls MPM.add(createCFGSimplificationPass()); // Merge & remove BBs MPM.add(createReassociatePass()); // Reassociate expressions MPM.add(createLoopRotatePass()); // Rotate Loop |