Commit Graph

7 Commits

Author SHA1 Message Date
John McCall 13a39c6f54 When devirtualizing the conversion to a virtual base subobject,
don't explode if the offset we get is zero.  This can happen if
you have an empty virtual base class.

While I'm at it, remove an unnecessary block from the IR-generation
of the null-check, mark the eventual GEP as inbounds, and generally
prettify.

llvm-svn: 161100
2012-08-01 05:04:58 +00:00
Richard Smith 9ca5c42582 Update all tests other than Driver/std.cpp to use -std=c++11 rather than
-std=c++0x. Patch by Ahmed Charles!

llvm-svn: 141900
2011-10-13 22:29:44 +00:00
Eli Friedman ed47406871 Move test, so it actually tests what it is supposed to (given that we don't have an AST verifier).
llvm-svn: 140620
2011-09-27 18:55:06 +00:00
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