http://llvm.org/bugs/show_bug.cgi?id=2229
Summary: Use of uninitialized value in bitwiseIsEqual from
visitFMUL
Product: new-bugs
Version: unspecified
Platform: Other
OS/Version: Linux
Status: NEW
Severity: normal
Priority: P2
Component: new bugs
AssignedTo: [EMAIL PROTECTED]
ReportedBy: [EMAIL PROTECTED]
CC: [email protected]
Running test/CodeGen/PowerPC/ppcf128-4.ll under valgrind shows:
Conditional jump or move depends on uninitialised value(s)
at 0x8A700E2: llvm::APFloat::bitwiseIsEqual(llvm::APFloat const&) const
(APFloat.cpp:631)
by 0x87B1342: llvm::ConstantFPSDNode::isExactlyValue(llvm::APFloat const&)
const (SelectionDAG.cpp:70)
by 0x854E707: llvm::ConstantFPSDNode::isExactlyValue(double) const
(SelectionDAGNodes.h:1446)
by 0x877E2EF: (anonymous namespace)::DAGCombiner::visitFMUL(llvm::SDNode*)
(DAGCombiner.cpp:3667)
by 0x877F6CB: (anonymous namespace)::DAGCombiner::visit(llvm::SDNode*)
(DAGCombiner.cpp:715)
by 0x877F9A2: (anonymous namespace)::DAGCombiner::combine(llvm::SDNode*)
(DAGCombiner.cpp:743)
by 0x878120C: (anonymous namespace)::DAGCombiner::Run(bool)
(DAGCombiner.cpp:622)
by 0x87815F6: llvm::SelectionDAG::Combine(bool, llvm::AliasAnalysis&)
(DAGCombiner.cpp:5545)
by 0x87BDE10: llvm::SelectionDAGISel::CodeGenAndEmitDAG(llvm::SelectionDAG&)
(SelectionDAGISel.cpp:4704)
by 0x87D690E: llvm::SelectionDAGISel::SelectBasicBlock(llvm::BasicBlock*,
llvm::MachineFunction&, llvm::FunctionLoweringInfo&)
(SelectionDAGISel.cpp:4748)
by 0x87D8935: llvm::SelectionDAGISel::runOnFunction(llvm::Function&)
(SelectionDAGISel.cpp:4414)
by 0x85B0282: (anonymous
namespace)::PPCDAGToDAGISel::runOnFunction(llvm::Function&)
(PPCISelDAGToDAG.cpp:56)
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