Start NextMBBNumber out at zero.

git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@13515 91177308-0d34-0410-b5e6-96231b3b80d8

diff --git a/lib/CodeGen/MachineFunction.cpp b/lib/CodeGen/MachineFunction.cpp
index be3f274561f31ee7f82eb0b7459de49ea96231e9..f0b06378cadcc2fd9afc906fbaafdbb18b0ad7b0 100644 (file)
--- a/lib/CodeGen/MachineFunction.cpp
+++ b/lib/CodeGen/MachineFunction.cpp
@@ -87,7 +87,7 @@ FunctionPass *llvm::createMachineCodeDeleter() {
 
 MachineFunction::MachineFunction(const Function *F,
                                  const TargetMachine &TM)
-  : Annotation(MF_AID), Fn(F), Target(TM) {
+  : Annotation(MF_AID), Fn(F), Target(TM), NextMBBNumber(0) {
   SSARegMapping = new SSARegMap();
   MFInfo = new MachineFunctionInfo(*this);
   FrameInfo = new MachineFrameInfo();