diff options
| author | Chris Lattner <sabre@nondot.org> | 2010-07-30 04:02:24 +0000 |
|---|---|---|
| committer | Chris Lattner <sabre@nondot.org> | 2010-07-30 04:02:24 +0000 |
| commit | 117e3f4cd4d6ea41c3202da8729f94168c5c8239 (patch) | |
| tree | 0425d5c3eddc8a6b289b382ef947aaf875985210 /test/CodeGenCXX/mangle-exprs.cpp | |
| parent | 98406a953a00a96a7a2fad5509fde1bfc7b15e3d (diff) | |
fix PR5179 and correctly fix PR5831 to not miscompile.
The X86-64 ABI code didn't handle the case when a struct
would get classified and turn up as "NoClass INTEGER" for
example. This is perfectly possible when the first slot
is all padding (e.g. due to empty base classes). In this
situation, the first 8-byte doesn't take a register at all,
only the second 8-byte does.
This fixes this by enhancing the x86-64 abi stuff to allow
and handle this case, reverts the broken fix for PR5831,
and enhances the target independent stuff to be able to
handle an argument value in registers being accessed at an
offset from the memory value.
This is the last x86-64 calling convention related miscompile
that I'm aware of.
git-svn-id: https://llvm.org/svn/llvm-project/cfe/trunk@109848 91177308-0d34-0410-b5e6-96231b3b80d8
Diffstat (limited to 'test/CodeGenCXX/mangle-exprs.cpp')
| -rw-r--r-- | test/CodeGenCXX/mangle-exprs.cpp | 2 |
1 files changed, 1 insertions, 1 deletions
diff --git a/test/CodeGenCXX/mangle-exprs.cpp b/test/CodeGenCXX/mangle-exprs.cpp index d68425f5a5..7322171856 100644 --- a/test/CodeGenCXX/mangle-exprs.cpp +++ b/test/CodeGenCXX/mangle-exprs.cpp @@ -39,6 +39,6 @@ namespace Casts { // CHECK: define weak_odr void @_ZN5Casts7static_ILj4EEEvPN9enable_ifIXleT_cvjLi4EEvE4typeE template void static_<4>(void*); - // CHECK: define weak_odr i8 @_ZN5Casts1fILi6EEENS_1TIXT_EEEv + // CHECK: define weak_odr void @_ZN5Casts1fILi6EEENS_1TIXT_EEEv template T<6> f<6>(); } |