Add a default constructor to get deterministic behavior.

Should fix the msan and valgrind bots.

git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@196509 91177308-0d34-0410-b5e6-96231b3b80d8

lib/Target/R600/AMDGPUAsmPrinter.h

@@ -24,6 +24,7 @@ namespace llvm {
 class AMDGPUAsmPrinter : public AsmPrinter {
 private:
   struct SIProgramInfo {
+    SIProgramInfo() : NumSGPR(0), NumVGPR(0) {}
     unsigned NumSGPR;
     unsigned NumVGPR;
   };