John McCall
154a2fd3cb
Be sure to emit lvalue-to-rvalue casts for loads from x-values.
...
Doing this happens to disrupt the pattern that ARC was looking for
for move optimizations, so we need to fix that simultaneously.
llvm-svn: 138789
2011-08-30 00:57:29 +00:00
Douglas Gregor
3fb22baddb
Allow elision of invocations of move constructors from temporary objects.
...
llvm-svn: 124455
2011-01-27 23:24:55 +00:00
Douglas Gregor
21d3fca917
When producing IR for a lvalue-to-rvalue cast *as an lvalue*, only
...
non-class prvalues actually require the realization of a
temporary. For everything else, we already have an lvalue (or class
prvalue) in the subexpression.
Note: we're missing some move elision in this case. I'll tackle that next.
llvm-svn: 124453
2011-01-27 23:22:05 +00:00
Douglas Gregor
ba278e2e7d
When performing a glvalue-to-xvalue static_cast that involves a
...
derived-to-base conversion, set the cast kind and base path
appropriately.
llvm-svn: 124189
2011-01-25 16:13:26 +00:00
