[llvm-commits] [compiler-rt] r165571 - /compiler-rt/trunk/lib/ubsan/ubsan_value.h

[Richard Smith]

Author: rsmith
Date: Tue Oct  9 18:55:18 2012
New Revision: 165571

URL: http://llvm.org/viewvc/llvm-project?rev=165571&view=rev
Log:
-fcatch-undefined-behavior: store the type name directly at the end of a type descriptor. 5% binary size reduction due to fewer relocations.

Modified:
    compiler-rt/trunk/lib/ubsan/ubsan_value.h

Modified: compiler-rt/trunk/lib/ubsan/ubsan_value.h
URL: http://llvm.org/viewvc/llvm-project/compiler-rt/trunk/lib/ubsan/ubsan_value.h?rev=165571&r1=165570&r2=165571&view=diff
==============================================================================
--- compiler-rt/trunk/lib/ubsan/ubsan_value.h (original)
+++ compiler-rt/trunk/lib/ubsan/ubsan_value.h Tue Oct  9 18:55:18 2012
@@ -65,9 +65,6 @@
 
 /// \brief A description of a type.
 class TypeDescriptor {
-  /// The name of the type, in a format suitable for including in diagnostics.
-  const char *TypeName;
-
   /// A value from the \c Kind enumeration, specifying what flavor of type we
   /// have.
   u16 TypeKind;
@@ -76,6 +73,10 @@
   /// interpret the meaning of a ValueHandle of this type.
   u16 TypeInfo;
 
+  /// The name of the type follows, in a format suitable for including in
+  /// diagnostics.
+  char TypeName[1];
+
 public:
   enum Kind {
     /// An integer type. Lowest bit is 1 for a signed value, 0 for an unsigned