rename isStore -> mayStore to more accurately reflect what it captures.



git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@45656 91177308-0d34-0410-b5e6-96231b3b80d8
diff --git a/lib/Target/Target.td b/lib/Target/Target.td
index 5747ac3..2e12070 100644
--- a/lib/Target/Target.td
+++ b/lib/Target/Target.td
@@ -191,7 +191,7 @@
   bit isBarrier    = 0;     // Can control flow fall through this instruction?
   bit isCall       = 0;     // Is this instruction a call instruction?
   bit isLoad       = 0;     // Is this instruction a load instruction?
-  bit isStore      = 0;     // Is this instruction a store instruction?
+  bit mayStore     = 0;     // Can this instruction modify memory?
   bit isImplicitDef = 0;    // Is this instruction an implicit def instruction?
   bit isTwoAddress = 0;     // Is this a two address instruction?
   bit isConvertibleToThreeAddress = 0;  // Can this 2-addr instruction promote?