diff options
Diffstat (limited to 'lib/CodeGen/RegAllocPBQP.cpp')
-rw-r--r-- | lib/CodeGen/RegAllocPBQP.cpp | 19 |
1 files changed, 10 insertions, 9 deletions
diff --git a/lib/CodeGen/RegAllocPBQP.cpp b/lib/CodeGen/RegAllocPBQP.cpp index f22c294..862ce00 100644 --- a/lib/CodeGen/RegAllocPBQP.cpp +++ b/lib/CodeGen/RegAllocPBQP.cpp @@ -77,15 +77,16 @@ namespace { } //! PBQP analysis usage. - virtual void getAnalysisUsage(AnalysisUsage &au) const { - au.addRequired<LiveIntervals>(); - au.addRequiredTransitive<RegisterCoalescer>(); - au.addRequired<LiveStacks>(); - au.addPreserved<LiveStacks>(); - au.addRequired<MachineLoopInfo>(); - au.addPreserved<MachineLoopInfo>(); - au.addRequired<VirtRegMap>(); - MachineFunctionPass::getAnalysisUsage(au); + virtual void getAnalysisUsage(AnalysisUsage &AU) const { + AU.setPreservesCFG(); + AU.addRequired<LiveIntervals>(); + AU.addRequiredTransitive<RegisterCoalescer>(); + AU.addRequired<LiveStacks>(); + AU.addPreserved<LiveStacks>(); + AU.addRequired<MachineLoopInfo>(); + AU.addPreserved<MachineLoopInfo>(); + AU.addRequired<VirtRegMap>(); + MachineFunctionPass::getAnalysisUsage(AU); } //! Perform register allocation |