Description
| Bugzilla Link | 1693 |
| Resolution | FIXED |
| Resolved on | Sep 23, 2007 02:31 |
| Version | unspecified |
| OS | Linux |
| Reporter | LLVM Bugzilla Contributor |
Extended Description
Running valgrind on test/CodeGen/ARM/2007-05-22-tailmerge-3.ll gives:
Conditional jump or move depends on uninitialised value(s)
at 0x85C674E: (anonymous namespace)::DAGCombiner::SimplifySelectCC(llvm::SDOperand, llvm::SDOperand, llvm::SDOperand, llvm::SDOperand, llvm::ISD::CondCode, bool) (DAGCombiner.cpp:4433)
by 0x85D0A64: (anonymous namespace)::DAGCombiner::visitZERO_EXTEND(llvm::SDNode*) (DAGCombiner.cpp:2568)
by 0x85DB1E9: (anonymous namespace)::DAGCombiner::visit(llvm::SDNode*) (DAGCombiner.cpp:660)
by 0x85DB7C5: (anonymous namespace)::DAGCombiner::Run(bool) (DAGCombiner.cpp:578)
by 0x85DBD2A: llvm::SelectionDAG::Combine(bool, llvm::AliasAnalysis&) (DAGCombiner.cpp:4773)
by 0x860B2BE: llvm::SelectionDAGISel::CodeGenAndEmitDAG(llvm::SelectionDAG&) (SelectionDAGISel.cpp:4627)
by 0x861F5D2: llvm::SelectionDAGISel::SelectBasicBlock(llvm::BasicBlock*, llvm::MachineFunction&, llvm::FunctionLoweringInfo&) (SelectionDAGISel.cpp:4664)
by 0x8621211: llvm::SelectionDAGISel::runOnFunction(llvm::Function&) (SelectionDAGISel.cpp:4365)
by 0x8822027: llvm::FPPassManager::runOnFunction(llvm::Function&) (PassManager.cpp:1168)
by 0x8822285: llvm::FunctionPassManagerImpl::run(llvm::Function&) (PassManager.cpp:1126)
by 0x88223DB: llvm::FunctionPassManager::run(llvm::Function&) (PassManager.cpp:1071)
by 0x8352F6A: main (llc.cpp:295)
Reproduce using
llvm-as < 2007-05-22-tailmerge-3.ll | valgrind --tool=memcheck llc -march=arm -enable-eh > /dev/null