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Revert my previous change on Local.cpp, instead, fix the bug on scalarrepl.

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If the instruction has no users, it is also not only used by debug info 
and should not be deleted.


git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@67194 91177308-0d34-0410-b5e6-96231b3b80d8
This commit is contained in:
Zhou Sheng 2009-03-18 10:13:08 +00:00
parent 6b2c7ae2c9
commit 16767c6b49
2 changed files with 1 additions and 4 deletions
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2
lib/Transforms/Scalar/ScalarReplAggregates.cpp
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@ -1223,7 +1223,7 @@ void SROA::CleanupAllocaUsers(AllocationInst *AI) {
CleanupGEP(GEPI);
else if (Instruction *I = dyn_cast<Instruction>(U)) {
SmallVector<DbgInfoIntrinsic *, 2> DbgInUses;
if (OnlyUsedByDbgInfoIntrinsics(I, &DbgInUses)) {
if (!I->use_empty() && OnlyUsedByDbgInfoIntrinsics(I, &DbgInUses)) {
// Safe to remove debug info uses.
while (!DbgInUses.empty()) {
DbgInfoIntrinsic *DI = DbgInUses.back(); DbgInUses.pop_back();

3
lib/Transforms/Utils/Local.cpp
View File

@ -262,9 +262,6 @@ bool llvm::OnlyUsedByDbgInfoIntrinsics(Instruction *I,
if (DbgInUses)
DbgInUses->clear();
if (I->use_empty())
return false;
for (Value::use_iterator UI = I->use_begin(), UE = I->use_end(); UI != UE;
++UI) {
if (DbgInfoIntrinsic *DI = dyn_cast<DbgInfoIntrinsic>(*UI)) {