commit 8606e3c7e381e5028aea01414efdeea0be8e84e5
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 643ee8d3c37f02ffc1faad2f826c87bbaf779272
parent 86ae07f049fce1bc69d26e7fa22caf3ce45259de

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

llvm-svn: 148260

llvm/lib/CodeGen/AggressiveAntiDepBreaker.cpp

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