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Revert 85678/85680. The decision is to stay with the current form of

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indirectbr, thus we don't need "blockaddr(@func, null)".  Eliminate it
for simplicity.


git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@85699 91177308-0d34-0410-b5e6-96231b3b80d8
This commit is contained in:
Chris Lattner
2009-11-01 01:27:45 +00:00
parent de17fb6e4d
commit cdfc940912
11 changed files with 25 additions and 47 deletions
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8
lib/Bitcode/Writer/ValueEnumerator.cpp
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@ -265,8 +265,6 @@ void ValueEnumerator::EnumerateValue(const Value *V) {
// Do not enumerate the initializers for an array of simple characters.
// The initializers just polute the value table, and we emit the strings
// specially.
} else if (isa<BlockAddress>(C)) {
// Don't enumerate function or block.
} else if (C->getNumOperands()) {
// If a constant has operands, enumerate them. This makes sure that if a
// constant has uses (for example an array of const ints), that they are
@ -278,7 +276,8 @@ void ValueEnumerator::EnumerateValue(const Value *V) {
// graph that don't go through a global variable.
for (User::const_op_iterator I = C->op_begin(), E = C->op_end();
I != E; ++I)
EnumerateValue(*I);
if (!isa<BasicBlock>(*I)) // Don't enumerate BB operand to BlockAddress.
EnumerateValue(*I);
// Finally, add the value. Doing this could make the ValueID reference be
// dangling, don't reuse it.
@ -418,10 +417,9 @@ static void IncorporateFunctionInfoGlobalBBIDs(const Function *F,
/// specified basic block. This is relatively expensive information, so it
/// should only be used by rare constructs such as address-of-label.
unsigned ValueEnumerator::getGlobalBasicBlockID(const BasicBlock *BB) const {
if (BB == 0) return 0;
unsigned &Idx = GlobalBasicBlockIDs[BB];
if (Idx != 0)
return Idx;
return Idx-1;
IncorporateFunctionInfoGlobalBBIDs(BB->getParent(), GlobalBasicBlockIDs);
return getGlobalBasicBlockID(BB);