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-rw-r--r--lib/CodeGen/LiveInterval.cpp10
1 files changed, 5 insertions, 5 deletions
diff --git a/lib/CodeGen/LiveInterval.cpp b/lib/CodeGen/LiveInterval.cpp
index e533153080..29bee9bd6b 100644
--- a/lib/CodeGen/LiveInterval.cpp
+++ b/lib/CodeGen/LiveInterval.cpp
@@ -237,10 +237,10 @@ void LiveInterval::removeRange(unsigned Start, unsigned End) {
/// getLiveRangeContaining - Return the live range that contains the
/// specified index, or null if there is none.
-LiveRange *LiveInterval::getLiveRangeContaining(unsigned Idx) {
- Ranges::iterator It = std::upper_bound(ranges.begin(), ranges.end(), Idx);
+const LiveRange *LiveInterval::getLiveRangeContaining(unsigned Idx) const {
+ Ranges::const_iterator It = std::upper_bound(ranges.begin(),ranges.end(),Idx);
if (It != ranges.begin()) {
- LiveRange &LR = *prior(It);
+ const LiveRange &LR = *prior(It);
if (LR.contains(Idx))
return &LR;
}
@@ -254,8 +254,8 @@ LiveRange *LiveInterval::getLiveRangeContaining(unsigned Idx) {
/// is the result of a copy instruction in the source program, that occurs at
/// index 'CopyIdx' that copies from 'Other' to 'this'.
void LiveInterval::join(LiveInterval &Other, unsigned CopyIdx) {
- LiveRange *SourceLR = Other.getLiveRangeContaining(CopyIdx-1);
- LiveRange *DestLR = getLiveRangeContaining(CopyIdx);
+ const LiveRange *SourceLR = Other.getLiveRangeContaining(CopyIdx-1);
+ const LiveRange *DestLR = getLiveRangeContaining(CopyIdx);
assert(SourceLR && DestLR && "Not joining due to a copy?");
unsigned MergedSrcValIdx = SourceLR->ValId;
unsigned MergedDstValIdx = DestLR->ValId;