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Check bb to ensure that alloca is in separate basic block.

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This fixes funcargs.exp regression reported by gdb testsuite.


git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@113992 91177308-0d34-0410-b5e6-96231b3b80d8
This commit is contained in:
Devang Patel 2010-09-15 18:13:55 +00:00
parent d64816a8d0
commit 27ede1ba6d
1 changed files with 9 additions and 7 deletions
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16
lib/CodeGen/SelectionDAG/SelectionDAGBuilder.cpp
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@ -4122,13 +4122,15 @@ SelectionDAGBuilder::visitIntrinsicCall(const CallInst &I, unsigned Intrinsic) {
// If variable is pinned by a alloca in dominating bb then
// use StaticAllocaMap.
if (const AllocaInst *AI = dyn_cast<AllocaInst>(Address)) {
DenseMap<const AllocaInst*, int>::iterator SI =
FuncInfo.StaticAllocaMap.find(AI);
if (SI != FuncInfo.StaticAllocaMap.end()) {
SDV = DAG.getDbgValue(Variable, SI->second,
0, dl, SDNodeOrder);
DAG.AddDbgValue(SDV, 0, false);
return 0;
if (AI->getParent() != DI.getParent()) {
DenseMap<const AllocaInst*, int>::iterator SI =
FuncInfo.StaticAllocaMap.find(AI);
if (SI != FuncInfo.StaticAllocaMap.end()) {
SDV = DAG.getDbgValue(Variable, SI->second,
0, dl, SDNodeOrder);
DAG.AddDbgValue(SDV, 0, false);
return 0;
}
}
}
// Otherwise add undef to help track missing debug info.