From 06868420379daa1cb641e7dfcccbee9b4ef3927a Mon Sep 17 00:00:00 2001 From: Andrew Lenharth Date: Fri, 16 Jun 2006 14:43:36 +0000 Subject: Add a error message to cbu to match bu llvm-svn: 28819 --- llvm/lib/Analysis/DataStructure/CompleteBottomUp.cpp | 8 +++++++- 1 file changed, 7 insertions(+), 1 deletion(-) (limited to 'llvm/lib/Analysis/DataStructure/CompleteBottomUp.cpp') diff --git a/llvm/lib/Analysis/DataStructure/CompleteBottomUp.cpp b/llvm/lib/Analysis/DataStructure/CompleteBottomUp.cpp index 1fc4197a097..452f0338cb0 100644 --- a/llvm/lib/Analysis/DataStructure/CompleteBottomUp.cpp +++ b/llvm/lib/Analysis/DataStructure/CompleteBottomUp.cpp @@ -56,8 +56,14 @@ bool CompleteBUDataStructures::runOnModule(Module &M) { } for (Module::iterator I = M.begin(), E = M.end(); I != E; ++I) - if (!I->isExternal() && !DSInfo.count(I)) + if (!I->isExternal() && !DSInfo.count(I)) { +#ifndef NDEBUG + if (MainFunc) + std::cerr << "*** CBU: Function unreachable from main: " + << I->getName() << "\n"; +#endif calculateSCCGraphs(getOrCreateGraph(*I), Stack, NextID, ValMap); + } GlobalsGraph->removeTriviallyDeadNodes(); -- cgit v1.2.3