Ignore line number of debug value in undefined register.

git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@105292 91177308-0d34-0410-b5e6-96231b3b80d8
This commit is contained in:
Devang Patel 2010-06-01 21:43:09 +00:00
parent 69081e9291
commit f2e7767624

View File

@ -2631,6 +2631,7 @@ void DwarfDebug::beginFunction(const MachineFunction *MF) {
assert (MI->getNumOperands() > 1 && "Invalid machine instruction!");
DIVariable DV(MI->getOperand(MI->getNumOperands() - 1).getMetadata());
if (!DV.Verify()) continue;
if (isDbgValueInUndefinedReg(MI)) continue;
// If DBG_VALUE is for a local variable then it needs a label.
if (DV.getTag() != dwarf::DW_TAG_arg_variable)
InsnNeedsLabel.insert(MI);