The various "getModuleMatchQuality" implementations should return
zero if they see a target triple they don't understand.



git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@38463 91177308-0d34-0410-b5e6-96231b3b80d8
diff --git a/lib/Target/X86/X86TargetMachine.cpp b/lib/Target/X86/X86TargetMachine.cpp
index 46e59ac..4d4bd3f 100644
--- a/lib/Target/X86/X86TargetMachine.cpp
+++ b/lib/Target/X86/X86TargetMachine.cpp
@@ -62,6 +62,8 @@
   if (TT.size() >= 5 && TT[0] == 'i' && TT[2] == '8' && TT[3] == '6' &&
       TT[4] == '-' && TT[1] - '3' < 6)
     return 20;
+  // If the target triple is something non-X86, we don't match.
+  if (!TT.empty()) return 0;
 
   if (M.getEndianness()  == Module::LittleEndian &&
       M.getPointerSize() == Module::Pointer32)
@@ -85,6 +87,9 @@
       TT[3] == '6' && TT[4] == '4' && TT[5] == '-')
     return 20;
   
+  // If the target triple is something non-X86-64, we don't match.
+  if (!TT.empty()) return 0;
+
   if (M.getEndianness()  == Module::LittleEndian &&
       M.getPointerSize() == Module::Pointer64)
     return 10;                                   // Weak match