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[C++11] Add two range adaptor views to User: operands and

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operand_values. The first provides a range view over operand Use
objects, and the second provides a range view over the Value*s being
used by those operands.

The naming is "STL-style" rather than "LLVM-style" because we have
historically named iterator methods STL-style, and range methods seem to
have far more in common with their iterator counterparts than with
"normal" APIs. Feel free to bikeshed on this one if you want, I'm happy
to change these around if people feel strongly.

I've switched code in SROA and LCG to exercise these mostly to ensure
they work correctly -- we don't really have an easy way to unittest this
and they're trivial.

git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@202687 91177308-0d34-0410-b5e6-96231b3b80d8
This commit is contained in:
Chandler Carruth
2014-03-03 10:42:58 +00:00
parent 26abef7b5a
commit 3dfabcb249
3 changed files with 22 additions and 15 deletions
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14
lib/Analysis/LazyCallGraph.cpp
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@@ -40,11 +40,9 @@ static void findCallees(
continue;
}
for (User::value_op_iterator OI = C->value_op_begin(),
OE = C->value_op_end();
OI != OE; ++OI)
if (Visited.insert(cast<Constant>(*OI)))
Worklist.push_back(cast<Constant>(*OI));
for (Value *Op : C->operand_values())
if (Visited.insert(cast<Constant>(Op)))
Worklist.push_back(cast<Constant>(Op));
}
}
@@ -56,10 +54,8 @@ LazyCallGraph::Node::Node(LazyCallGraph &G, Function &F) : G(G), F(F) {
for (Function::iterator BBI = F.begin(), BBE = F.end(); BBI != BBE; ++BBI)
for (BasicBlock::iterator II = BBI->begin(), IE = BBI->end(); II != IE;
++II)
for (User::value_op_iterator OI = II->value_op_begin(),
OE = II->value_op_end();
OI != OE; ++OI)
if (Constant *C = dyn_cast<Constant>(*OI))
for (Value *Op : II->operand_values())
if (Constant *C = dyn_cast<Constant>(Op))
if (Visited.insert(C))
Worklist.push_back(C);