Setting the default value (fixes CRT assertions about uninitialized variable use when doing debug MSVC builds), and fixing coding style.

git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@182585 91177308-0d34-0410-b5e6-96231b3b80d8
diff --git a/lib/Target/R600/R600ControlFlowFinalizer.cpp b/lib/Target/R600/R600ControlFlowFinalizer.cpp
index 65a4801..e114d20 100644
--- a/lib/Target/R600/R600ControlFlowFinalizer.cpp
+++ b/lib/Target/R600/R600ControlFlowFinalizer.cpp
@@ -320,7 +320,7 @@
   virtual bool runOnMachineFunction(MachineFunction &MF) {
     unsigned MaxStack = 0;
     unsigned CurrentStack = 0;
-    bool hasPush;
+    bool HasPush = false;
     for (MachineFunction::iterator MB = MF.begin(), ME = MF.end(); MB != ME;
         ++MB) {
       MachineBasicBlock &MBB = *MB;
@@ -349,7 +349,7 @@
         case AMDGPU::CF_ALU_PUSH_BEFORE:
           CurrentStack++;
           MaxStack = std::max(MaxStack, CurrentStack);
-          hasPush = true;
+          HasPush = true;
         case AMDGPU::CF_ALU:
           I = MI;
           AluClauses.push_back(MakeALUClause(MBB, I));
@@ -470,7 +470,7 @@
           break;
         }
       }
-      MFI->StackSize = getHWStackSize(MaxStack, hasPush);
+      MFI->StackSize = getHWStackSize(MaxStack, HasPush);
     }
 
     return false;