[LLVMbugs] [Bug 20770] New: valgrind trouble in llvm::FastISel::LowerCallTo(llvm::FastISel::CallLoweringInfo&)

[bugzilla-daemon at llvm.org]

http://llvm.org/bugs/show_bug.cgi?id=20770

            Bug ID: 20770
           Summary: valgrind trouble in
                    llvm::FastISel::LowerCallTo(llvm::FastISel::CallLoweri
                    ngInfo&)
           Product: new-bugs
           Version: trunk
          Hardware: PC
                OS: Linux
            Status: NEW
          Severity: normal
          Priority: P
         Component: new bugs
          Assignee: unassignedbugs at nondot.org
          Reporter: dcb314 at hotmail.com
                CC: llvmbugs at cs.uiuc.edu
    Classification: Unclassified

Attached source code produces

$ source /tmp/11
==5817== Conditional jump or move depends on uninitialised value(s)
==5817==    at 0x1BAE5CF: ??? (in /home/dcb/llvm/results/bin/clang)
==5817==    by 0x1C211E3:
llvm::FastISel::LowerCallTo(llvm::FastISel::CallLoweringInfo&) (in
/home/dcb/llvm/results/bin/clang)
==5817==    by 0x1C224F7: llvm::FastISel::LowerCall(llvm::CallInst const*) (in
/home/dcb/llvm/results/bin/clang)
==5817==    by 0x1C227D6: llvm::FastISel::SelectCall(llvm::User const*) (in
/home/dcb/llvm/results/bin/clang)
==5817==    by 0x1C1F171: llvm::FastISel::SelectOperator(llvm::User const*,
unsigned int) (in /home/dcb/llvm/results/bin/clang)
==5817==    by 0x1C239A8: llvm::FastISel::SelectInstruction(llvm::Instruction
const*) (in /home/dcb/llvm/results/bin/clang)
==5817==    by 0x1CAE9F2:
llvm::SelectionDAGISel::SelectAllBasicBlocks(llvm::Function const&) (in
/home/dcb/llvm/results/bin/clang)
==5817==    by 0x1CADC24:
llvm::SelectionDAGISel::runOnMachineFunction(llvm::MachineFunction&) (in
/home/dcb/llvm/results/bin/clang)
==5817==    by 0x1B11F55: ??? (in /home/dcb/llvm/results/bin/clang)
==5817==    by 0x1DD7F93:
llvm::MachineFunctionPass::runOnFunction(llvm::Function&) (in
/home/dcb/llvm/results/bin/clang)
==5817==    by 0x227243A: llvm::FPPassManager::runOnFunction(llvm::Function&)
(in /home/dcb/llvm/results/bin/clang)
==5817==    by 0x227260A: llvm::FPPassManager::runOnModule(llvm::Module&) (in
/home/dcb/llvm/results/bin/clang)
==5817== 

on trunk of 20140827

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