aboutsummaryrefslogtreecommitdiff
path: root/lib/CodeGen/TwoAddressInstructionPass.cpp
diff options
context:
space:
mode:
Diffstat (limited to 'lib/CodeGen/TwoAddressInstructionPass.cpp')
-rw-r--r--lib/CodeGen/TwoAddressInstructionPass.cpp1
1 files changed, 1 insertions, 0 deletions
diff --git a/lib/CodeGen/TwoAddressInstructionPass.cpp b/lib/CodeGen/TwoAddressInstructionPass.cpp
index d205e07a63..b18d1ef3b5 100644
--- a/lib/CodeGen/TwoAddressInstructionPass.cpp
+++ b/lib/CodeGen/TwoAddressInstructionPass.cpp
@@ -113,6 +113,7 @@ namespace {
TwoAddressInstructionPass() : MachineFunctionPass(&ID) {}
virtual void getAnalysisUsage(AnalysisUsage &AU) const {
+ AU.setPreservesCFG();
AU.addPreserved<LiveVariables>();
AU.addPreservedID(MachineLoopInfoID);
AU.addPreservedID(MachineDominatorsID);