Commit Graph

14 Commits

Author SHA1 Message Date
Rafael Espindola c3cde36ead Output destructors and constructors in a more natural order.
With this patch we output the in the order
C2
C1

D2
D1
D0

Which means that a destructor or constructor that call another is output after
the callee. This is a bit easier to read IHMO and a tiny bit more efficient
as we don't put a decl in DeferredDeclsToEmit.

llvm-svn: 196784
2013-12-09 14:51:17 +00:00
Rafael Espindola d967badc64 Don't use alias from derived dtor to base dtor at -O0.
This patch disables aliasing (and rauw) of derived dtors to base dtors at -O0.
This optimization can have a negative impact on the debug quality.

This was a latent bug for some time with local classes, but got noticed when it
was generalized and broke gdb's destrprint.exp.

llvm-svn: 194618
2013-11-13 23:20:45 +00:00
Stephen Lin 4362261b00 CHECK-LABEL-ify some code gen tests to improve diagnostic experience when tests fail.
llvm-svn: 188447
2013-08-15 06:47:53 +00:00
Richard Smith 8e4a3868fe PR12798: Don't drop part of the nested name specifier when instantiating a
pseudo-destructor expression. This can affect whether virtual dispatch for
the destructor call is bypassed.

llvm-svn: 156806
2012-05-15 06:15:11 +00:00
Rafael Espindola 05842dabb8 Move unnamed_addr after the function arguments on Sabre's request.
llvm-svn: 124210
2011-01-25 19:10:24 +00:00
Rafael Espindola 0ee986c1f1 Add unnamed_addr to constructors and destructors.
llvm-svn: 123197
2011-01-11 00:26:26 +00:00
John McCall f8ff7b9fd1 Perform two more constructor/destructor code-size optimizations:
1) emit base destructors as aliases to their unique base class destructors
under some careful conditions.  This is enabled for the same targets that can
support complete-to-base aliases, i.e. not darwin.

2) Emit non-variadic complete constructors for classes with no virtual bases
as calls to the base constructor.  This is enabled on all targets and in
theory can trigger in situations that the alias optimization can't (mostly
involving virtual bases, mostly not yet supported).

These are bundled together because I didn't think it worthwhile to split them,
not because they really need to be.

llvm-svn: 96842
2010-02-23 00:48:20 +00:00
John McCall d4324148d7 Re-introduce the ctor/dtor alias optimization, this time hidden behind a
command-line option which defaults off.

llvm-svn: 96649
2010-02-19 01:32:20 +00:00
John McCall 334ce7c1c4 Revert the ctor/dtor alias optimization for now; the buildbots can detect
some failure here that I can't.

llvm-svn: 96612
2010-02-18 21:31:48 +00:00
John McCall 5c60a6f597 Make deleting and complete dtor variants defer to other dtor variants by
calling them as subroutines.  This triggers whenever the alias optimization
doesn't, i.e. when the dtor has linkonce linkage or there are virtual bases
or it's the deleting dtor.

llvm-svn: 96605
2010-02-18 19:59:28 +00:00
John McCall 67cea74745 Emit complete constructors and destructors as aliases to base constructors
and destructors when the two entities are semantically identical, i.e. when
the class has no virtual base classes.  We only do this for linkage types
for which aliases are supported, i.e. internal and external, i.e. not linkonce.

llvm-svn: 96451
2010-02-17 03:52:49 +00:00
Anders Carlsson e36a6b3e44 Correctly pass VTT parameters to constructors and destructors. The VTTs aren't yet used in the ctors/dtors, but that will follow.
llvm-svn: 92409
2010-01-02 01:01:18 +00:00
Daniel Dunbar 8fbe78f6fc Update tests to use %clang_cc1 instead of 'clang-cc' or 'clang -cc1'.
- This is designed to make it obvious that %clang_cc1 is a "test variable"
   which is substituted. It is '%clang_cc1' instead of '%clang -cc1' because it
   can be useful to redefine what gets run as 'clang -cc1' (for example, to set
   a default target).

llvm-svn: 91446
2009-12-15 20:14:24 +00:00
Anders Carlsson ce460529c0 When generating a virtual destructor, don't try to make a virtual call to the base class destructor because then we'll just re-enter the same destructor!
This was done to fix PR5619, so I went ahead and passed a dummy VTT pointer for now.

llvm-svn: 90578
2009-12-04 19:33:17 +00:00