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Require an alignment.

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llvm-svn: 26072
This commit is contained in:
Chris Lattner 2006-02-09 02:24:25 +00:00
parent 86d5e100d2
commit 309539fb45
1 changed files with 3 additions and 6 deletions
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9
include/llvm/CodeGen/MachineConstantPool.h
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@ -34,18 +34,15 @@ class MachineConstantPool {
public:
/// getConstantPoolIndex - Create a new entry in the constant pool or return
/// an existing one. User may specify an alignment that is greater than the
/// default alignment. If one is not specified, it will be 0.
/// an existing one. User must specify an alignment in bytes for the object.
///
unsigned getConstantPoolIndex(Constant *C, unsigned Alignment = 0) {
unsigned getConstantPoolIndex(Constant *C, unsigned Alignment) {
// Check to see if we already have this constant.
//
// FIXME, this could be made much more efficient for large constant pools.
for (unsigned i = 0, e = Constants.size(); i != e; ++i)
if (Constants[i].first == C) {
Constants[i].second = std::max(Constants[i].second, Alignment);
if (Constants[i].first == C && Constants[i].second >= Alignment)
return i;
}
Constants.push_back(std::make_pair(C, Alignment));
return Constants.size()-1;
}