Added RegisterCoalescer to required passes for PBQP.

[oota-llvm.git] / lib / CodeGen / StackSlotColoring.cpp

diff --git a/lib/CodeGen/StackSlotColoring.cpp b/lib/CodeGen/StackSlotColoring.cpp
index 17c8929b70aaa8834d87d06f2608c2547e3eb0a9..e491c285ff2e575d7e20a0010fbf804b13da99a0 100644 (file)
--- a/lib/CodeGen/StackSlotColoring.cpp
+++ b/lib/CodeGen/StackSlotColoring.cpp
@@ -97,6 +97,7 @@ namespace {
       MachineFunctionPass(&ID), ColorWithRegs(RegColor), NextColor(-1) {}
     
     virtual void getAnalysisUsage(AnalysisUsage &AU) const {
+      AU.setPreservesCFG();
       AU.addRequired<LiveStacks>();
       AU.addRequired<VirtRegMap>();
       AU.addPreserved<VirtRegMap>();