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Do not drop undef debug values. These are used as range termination marker by live debug variable pass.

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git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@136834 91177308-0d34-0410-b5e6-96231b3b80d8
This commit is contained in:
Devang Patel 2011-08-03 23:13:55 +00:00
parent 9dbd0a866e
commit 5787124820
1 changed files with 1 additions and 1 deletions
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2
lib/CodeGen/SelectionDAG/SelectionDAGBuilder.cpp
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@ -4515,7 +4515,7 @@ SelectionDAGBuilder::visitIntrinsicCall(const CallInst &I, unsigned Intrinsic) {
// debug info exists.
++SDNodeOrder;
SDDbgValue *SDV;
if (isa<ConstantInt>(V) || isa<ConstantFP>(V)) {
if (isa<ConstantInt>(V) || isa<ConstantFP>(V) || isa<UndefValue>(V)) {
SDV = DAG.getDbgValue(Variable, V, Offset, dl, SDNodeOrder);
DAG.AddDbgValue(SDV, 0, false);
} else {