commit 504d1d2fa4103bddcc6e1ad26697029c79b4aeb7
author Hal Finkel <hfinkel@anl.gov> Mon Jan 16 22:53:41 2012 +0000
committer Hal Finkel <hfinkel@anl.gov> Mon Jan 16 22:53:41 2012 +0000
tree 6cca5309382438578f3dc1103a505bbf421e628e
parent c035c940a656f34a58ebe22fcc5f9b2a7d8e97fb

AggressiveAntiDepBreaker needs to skip debug values because a debug value does not have a corresponding SUnit

git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@148260 91177308-0d34-0410-b5e6-96231b3b80d8

lib/CodeGen/AggressiveAntiDepBreaker.cpp

diff --git a/lib/CodeGen/AggressiveAntiDepBreaker.cpp b/lib/CodeGen/AggressiveAntiDepBreaker.cpp
index 77958d9..02f4afd 100644
--- a/lib/CodeGen/AggressiveAntiDepBreaker.cpp
+++ b/lib/CodeGen/AggressiveAntiDepBreaker.cpp
@@ -780,6 +780,9 @@
        I != E; --Count) {
     MachineInstr *MI = --I;
 
+    if (MI->isDebugValue())
+      continue;
+
     DEBUG(dbgs() << "Anti: ");
     DEBUG(MI->dump());