diff --git a/lib/Target/R600/AMDGPUAsmPrinter.h b/lib/Target/R600/AMDGPUAsmPrinter.h
index 3031edded54..a2b83370760 100644
--- a/lib/Target/R600/AMDGPUAsmPrinter.h
+++ b/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;
   };