commit 8e089640e031e9dd48667fdb73b97c6e76bc5af3
author Jakob Stoklund Olesen <stoklund@2pi.dk> Wed Mar 09 00:57:29 2011 +0000
committer Jakob Stoklund Olesen <stoklund@2pi.dk> Wed Mar 09 00:57:29 2011 +0000
tree a94ddb244ede07009f9f672cc6ba9c4a807f3130
parent aac35b3fbbc1215671ae3e8656d96be0f8701ea7

Add a LiveRangeEdit::Delegate protocol.

This will we used for keeping register allocator data structures up to date
while LiveRangeEdit is trimming live intervals.

llvm-svn: 127300

llvm/lib/CodeGen/LiveRangeEdit.cpp

diff --git a/llvm/lib/CodeGen/LiveRangeEdit.cpp b/llvm/lib/CodeGen/LiveRangeEdit.cpp
index 4e2c00d..75aeac4 100644
--- a/llvm/lib/CodeGen/LiveRangeEdit.cpp
+++ b/llvm/lib/CodeGen/LiveRangeEdit.cpp
@@ -174,6 +174,8 @@
           ToShrink.insert(&LI);
       }
 
+      if (delegate_)
+        delegate_->LRE_WillEraseInstruction(MI);
       LIS.RemoveMachineInstrFromMaps(MI);
       MI->eraseFromParent();
     }