Add default values for member functions.

Initialize IsVis2 and IsVis3 in SparcSubtarget::initializeSubtargetDependencies.
MSan detected uninitialized read of IsVis3 after r318704.  Initializing the
variables to false will prevent undefined behavior.

llvm-svn: 318724

diff --git a/llvm/lib/Target/Sparc/SparcSubtarget.cpp b/llvm/lib/Target/Sparc/SparcSubtarget.cpp
index f299abe..01545b8 100644 (file)
--- a/llvm/lib/Target/Sparc/SparcSubtarget.cpp
+++ b/llvm/lib/Target/Sparc/SparcSubtarget.cpp
@@ -33,6 +33,8 @@ SparcSubtarget &SparcSubtarget::initializeSubtargetDependencies(StringRef CPU,
   IsLeon = false;
   V8DeprecatedInsts = false;
   IsVIS = false;
+  IsVIS2 = false;
+  IsVIS3 = false;
   HasHardQuad = false;
   UsePopc = false;
   UseSoftFloat = false;