diff options
Diffstat (limited to 'lib/CodeGen/SplitKit.cpp')
| -rw-r--r-- | lib/CodeGen/SplitKit.cpp | 3 |
1 files changed, 3 insertions, 0 deletions
diff --git a/lib/CodeGen/SplitKit.cpp b/lib/CodeGen/SplitKit.cpp index 84d3003859..763cce8251 100644 --- a/lib/CodeGen/SplitKit.cpp +++ b/lib/CodeGen/SplitKit.cpp @@ -913,6 +913,9 @@ void SplitEditor::computeRemainder() { for (LiveInterval::const_vni_iterator I = parent.vni_begin(), E = parent.vni_end(); I != E; ++I) { const VNInfo *VNI = *I; + // Don't transfer unused values to the new intervals. + if (VNI->isUnused()) + continue; // Original def is contained in the split intervals. if (intervalsLiveAt(VNI->def)) { // Did this value escape? |