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authorHal Finkel <hfinkel@anl.gov>2012-01-16 22:53:41 +0000
committerHal Finkel <hfinkel@anl.gov>2012-01-16 22:53:41 +0000
commit504d1d2fa4103bddcc6e1ad26697029c79b4aeb7 (patch)
tree6cca5309382438578f3dc1103a505bbf421e628e /lib/CodeGen/AggressiveAntiDepBreaker.cpp
parentc035c940a656f34a58ebe22fcc5f9b2a7d8e97fb (diff)
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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
Diffstat (limited to 'lib/CodeGen/AggressiveAntiDepBreaker.cpp')
-rw-r--r--lib/CodeGen/AggressiveAntiDepBreaker.cpp3
1 files changed, 3 insertions, 0 deletions
diff --git a/lib/CodeGen/AggressiveAntiDepBreaker.cpp b/lib/CodeGen/AggressiveAntiDepBreaker.cpp
index 77958d9c95..02f4afdfa5 100644
--- a/lib/CodeGen/AggressiveAntiDepBreaker.cpp
+++ b/lib/CodeGen/AggressiveAntiDepBreaker.cpp
@@ -780,6 +780,9 @@ unsigned AggressiveAntiDepBreaker::BreakAntiDependencies(
I != E; --Count) {
MachineInstr *MI = --I;
+ if (MI->isDebugValue())
+ continue;
+
DEBUG(dbgs() << "Anti: ");
DEBUG(MI->dump());