diff options
| author | Chris Lattner <sabre@nondot.org> | 2008-12-05 18:46:19 +0000 |
|---|---|---|
| committer | Chris Lattner <sabre@nondot.org> | 2008-12-05 18:46:19 +0000 |
| commit | a5a5450d3ee27ab0319491335eadc5f1c8b96686 (patch) | |
| tree | 083b2188be6f984863a4f049e302dcb5c65558ff /lib | |
| parent | eb7a09bd42ba8da2be271860ae3500b409546c67 (diff) | |
| download | external_llvm-a5a5450d3ee27ab0319491335eadc5f1c8b96686.zip external_llvm-a5a5450d3ee27ab0319491335eadc5f1c8b96686.tar.gz external_llvm-a5a5450d3ee27ab0319491335eadc5f1c8b96686.tar.bz2 | |
Make it illegal to call getDependency* on non-memory instructions
like binary operators.
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@60600 91177308-0d34-0410-b5e6-96231b3b80d8
Diffstat (limited to 'lib')
| -rw-r--r-- | lib/Analysis/MemoryDependenceAnalysis.cpp | 7 |
1 files changed, 4 insertions, 3 deletions
diff --git a/lib/Analysis/MemoryDependenceAnalysis.cpp b/lib/Analysis/MemoryDependenceAnalysis.cpp index c47ec04..c75cbf2 100644 --- a/lib/Analysis/MemoryDependenceAnalysis.cpp +++ b/lib/Analysis/MemoryDependenceAnalysis.cpp @@ -118,10 +118,11 @@ getDependencyFrom(Instruction *QueryInst, BasicBlock::iterator ScanIt, MemPtr = F->getPointerOperand(); // FreeInsts erase the entire structure, not just a field. MemSize = ~0UL; - } else if (isa<CallInst>(QueryInst) || isa<InvokeInst>(QueryInst)) + } else { + assert((isa<CallInst>(QueryInst) || isa<InvokeInst>(QueryInst)) && + "Can only get dependency info for memory instructions!"); return getCallSiteDependency(CallSite::get(QueryInst), ScanIt, BB); - else // Non-memory instructions depend on nothing. - return MemDepResult::getNone(); + } // Walk backwards through the basic block, looking for dependencies while (ScanIt != BB->begin()) { |