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| author | Jakob Stoklund Olesen <stoklund@2pi.dk> | 2011-03-23 04:43:16 +0000 |
|---|---|---|
| committer | Jakob Stoklund Olesen <stoklund@2pi.dk> | 2011-03-23 04:43:16 +0000 |
| commit | b993f6394ff9de5d66022fc12a7dfaf93c9c54e2 (patch) | |
| tree | ba3afe7a701fe33f2e3277cbd2be4880f7478d75 /llvm/lib | |
| parent | f7eb9550460a9ba21a853a3501deccc666141112 (diff) | |
| download | bcm5719-llvm-b993f6394ff9de5d66022fc12a7dfaf93c9c54e2.tar.gz bcm5719-llvm-b993f6394ff9de5d66022fc12a7dfaf93c9c54e2.zip | |
Notify the delegate before removing dead values from a live interval.
The register allocator needs to know when the range shrinks.
llvm-svn: 128145
Diffstat (limited to 'llvm/lib')
| -rw-r--r-- | llvm/lib/CodeGen/LiveRangeEdit.cpp | 2 |
1 files changed, 2 insertions, 0 deletions
diff --git a/llvm/lib/CodeGen/LiveRangeEdit.cpp b/llvm/lib/CodeGen/LiveRangeEdit.cpp index f5c67b9c748..6b419ebf32f 100644 --- a/llvm/lib/CodeGen/LiveRangeEdit.cpp +++ b/llvm/lib/CodeGen/LiveRangeEdit.cpp @@ -182,6 +182,8 @@ void LiveRangeEdit::eliminateDeadDefs(SmallVectorImpl<MachineInstr*> &Dead, // Remove defined value. if (MOI->isDef()) { if (VNInfo *VNI = LI.getVNInfoAt(Idx)) { + if (delegate_) + delegate_->LRE_WillShrinkVirtReg(LI.reg); LI.removeValNo(VNI); if (LI.empty()) { ToShrink.remove(&LI); |
