diff options
Diffstat (limited to 'lib/CodeGen/RegAllocSimple.cpp')
| -rw-r--r-- | lib/CodeGen/RegAllocSimple.cpp | 1 |
1 files changed, 1 insertions, 0 deletions
diff --git a/lib/CodeGen/RegAllocSimple.cpp b/lib/CodeGen/RegAllocSimple.cpp index 447e54cf79..2d4b9d6de2 100644 --- a/lib/CodeGen/RegAllocSimple.cpp +++ b/lib/CodeGen/RegAllocSimple.cpp @@ -70,6 +70,7 @@ namespace { bool runOnMachineFunction(MachineFunction &Fn); virtual void getAnalysisUsage(AnalysisUsage &AU) const { + AU.setPreservesCFG(); AU.addRequiredID(PHIEliminationID); // Eliminate PHI nodes MachineFunctionPass::getAnalysisUsage(AU); } |