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DbgInfoIntrinsics no longer appear in an instruction's use list; so clean up looking for them in use iterations and remove OnlyUsedByDbgInfoIntrinsics()

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git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@94111 91177308-0d34-0410-b5e6-96231b3b80d8
This commit is contained in:
Victor Hernandez
2010-01-21 23:05:53 +00:00
parent eca35b76ce
commit 6c146eefbf
3 changed files with 7 additions and 90 deletions
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24
lib/Transforms/Utils/Local.cpp
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@ -609,30 +609,6 @@ bool llvm::TryToSimplifyUncondBranchFromEmptyBlock(BasicBlock *BB) {
return true;
}
/// OnlyUsedByDbgIntrinsics - Return true if the instruction I is only used
/// by DbgIntrinsics. If DbgInUses is specified then the vector is filled
/// with the DbgInfoIntrinsic that use the instruction I.
bool llvm::OnlyUsedByDbgInfoIntrinsics(Instruction *I,
SmallVectorImpl<DbgInfoIntrinsic *> *DbgInUses) {
if (DbgInUses)
DbgInUses->clear();
for (Value::use_iterator UI = I->use_begin(), UE = I->use_end(); UI != UE;
++UI) {
if (DbgInfoIntrinsic *DI = dyn_cast<DbgInfoIntrinsic>(*UI)) {
if (DbgInUses)
DbgInUses->push_back(DI);
} else {
if (DbgInUses)
DbgInUses->clear();
return false;
}
}
return true;
}
/// EliminateDuplicatePHINodes - Check for and eliminate duplicate PHI
/// nodes in this block. This doesn't try to be clever about PHI nodes
/// which differ only in the order of the incoming values, but instcombine