[llvm] r194818 - Hopefully fix uninitialized memory read in AArch64AsmParser found by MSan bootstrap bot

[Alexey Samsonov]

Author: samsonov
Date: Fri Nov 15 09:49:30 2013
New Revision: 194818

URL: http://llvm.org/viewvc/llvm-project?rev=194818&view=rev
Log:
Hopefully fix uninitialized memory read in AArch64AsmParser found by MSan bootstrap bot

Modified:
    llvm/trunk/lib/Target/AArch64/AsmParser/AArch64AsmParser.cpp

Modified: llvm/trunk/lib/Target/AArch64/AsmParser/AArch64AsmParser.cpp
URL: http://llvm.org/viewvc/llvm-project/llvm/trunk/lib/Target/AArch64/AsmParser/AArch64AsmParser.cpp?rev=194818&r1=194817&r2=194818&view=diff
==============================================================================
--- llvm/trunk/lib/Target/AArch64/AsmParser/AArch64AsmParser.cpp (original)
+++ llvm/trunk/lib/Target/AArch64/AsmParser/AArch64AsmParser.cpp Fri Nov 15 09:49:30 2013
@@ -1963,12 +1963,12 @@ bool AArch64AsmParser::TryParseVector(ui
 
   if (!IdentifyRegister(RegNum, RegEndLoc, Layout, LayoutLoc))
     IsVector = false;
-
-  if (!AArch64MCRegisterClasses[AArch64::FPR64RegClassID].contains(RegNum) &&
-      !AArch64MCRegisterClasses[AArch64::FPR128RegClassID].contains(RegNum))
+  else if (!AArch64MCRegisterClasses[AArch64::FPR64RegClassID]
+                .contains(RegNum) &&
+           !AArch64MCRegisterClasses[AArch64::FPR128RegClassID]
+                .contains(RegNum))
     IsVector = false;
-
-  if (Layout.size() == 0)
+  else if (Layout.size() == 0)
     IsVector = false;
 
   if (!IsVector)