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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 | 1e6c65dba706de80f5a4ceb8a1fc86bc3d0a61c6 (patch) | |
| tree | a770cb75c029144521ab442ea9bbdaff26511f34 /lib/CodeGen/LiveRangeEdit.cpp | |
| parent | 0b5015188e834afa7fb2fe3694a9c190f59fd19c (diff) | |
| download | llvm-1e6c65dba706de80f5a4ceb8a1fc86bc3d0a61c6.tar.gz llvm-1e6c65dba706de80f5a4ceb8a1fc86bc3d0a61c6.tar.bz2 llvm-1e6c65dba706de80f5a4ceb8a1fc86bc3d0a61c6.tar.xz | |
Notify the delegate before removing dead values from a live interval.
The register allocator needs to know when the range shrinks.
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@128145 91177308-0d34-0410-b5e6-96231b3b80d8
Diffstat (limited to 'lib/CodeGen/LiveRangeEdit.cpp')
| -rw-r--r-- | lib/CodeGen/LiveRangeEdit.cpp | 2 |
1 files changed, 2 insertions, 0 deletions
diff --git a/lib/CodeGen/LiveRangeEdit.cpp b/lib/CodeGen/LiveRangeEdit.cpp index f5c67b9c74..6b419ebf32 100644 --- a/lib/CodeGen/LiveRangeEdit.cpp +++ b/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); |