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Add new advanceTo method

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git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@17932 91177308-0d34-0410-b5e6-96231b3b80d8
This commit is contained in:
Chris Lattner 2004-11-18 02:37:31 +00:00
parent 8d8d513d4d
commit 743ef6d70e
2 changed files with 26 additions and 0 deletions
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13
include/llvm/CodeGen/LiveInterval.h
View File

@ -81,6 +81,19 @@ namespace llvm {
iterator begin() { return ranges.begin(); }
iterator end() { return ranges.end(); }
/// advanceTo - Advance the specified iterator to point to the LiveRange
/// containing the specified position, or end() if the position is past the
/// end of the interval. If no LiveRange contains this position, but the
/// position is in a hole, this method returns an iterator pointing the the
/// LiveRange immediately after the hold.
iterator advanceTo(iterator I, unsigned Pos) {
if (Pos >= endNumber())
return end();
while (I->end <= Pos) ++I;
return I;
}
void swap(LiveInterval& other) {
std::swap(reg, other.reg);
std::swap(weight, other.weight);

13
lib/CodeGen/LiveInterval.h
View File

@ -81,6 +81,19 @@ namespace llvm {
iterator begin() { return ranges.begin(); }
iterator end() { return ranges.end(); }
/// advanceTo - Advance the specified iterator to point to the LiveRange
/// containing the specified position, or end() if the position is past the
/// end of the interval. If no LiveRange contains this position, but the
/// position is in a hole, this method returns an iterator pointing the the
/// LiveRange immediately after the hold.
iterator advanceTo(iterator I, unsigned Pos) {
if (Pos >= endNumber())
return end();
while (I->end <= Pos) ++I;
return I;
}
void swap(LiveInterval& other) {
std::swap(reg, other.reg);
std::swap(weight, other.weight);