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expose the set of values types holdable in a regclass to clients

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llvm-svn: 26307
This commit is contained in:
Chris Lattner 2006-02-21 23:51:58 +00:00
parent b5b7cc99c4
commit 086fd0f862
1 changed files with 17 additions and 1 deletions
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18
include/llvm/Target/MRegisterInfo.h
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@ -44,8 +44,9 @@ public:
typedef const unsigned* iterator;
typedef const unsigned* const_iterator;
typedef const MVT::ValueType* vt_iterator;
private:
const MVT::ValueType* VTs;
const vt_iterator VTs;
const unsigned RegSize, Alignment; // Size & Alignment of register in bytes
const iterator RegsBegin, RegsEnd;
public:
@ -84,6 +85,21 @@ public:
return false;
}
/// vt_begin - Loop over all of the value types that can be represented by
/// values in this register class.
vt_iterator vt_begin() const {
return VTs;
}
/// vt_begin - Loop over all of the value types that can be represented by
/// values in this register class.
vt_iterator vt_end() const {
vt_iterator I = VTs;
while (*I != MVT::Other) ++I;
return I;
}
/// allocation_order_begin/end - These methods define a range of registers
/// which specify the registers in this class that are valid to register
/// allocate, and the preferred order to allocate them in. For example,