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5 Commits

Author SHA1 Message Date
Manman Ren de70d54c43 ARM ABI: fix testing case arm-abi-vector.c by using [[VAR]] 
rdar://12439123

llvm-svn: 166066
 2012-10-16 22:40:48 +00:00
Manman Ren 0e8bf254b5 XFAIL this testing case to recover buildbot 
llvm-svn: 166064
 2012-10-16 22:02:26 +00:00
Manman Ren 67effb97df ARM ABI: fix ABI alignment issues in varargs. 
We generalize r166040 to handle ABI alignment issues for all types.

rdar://12439123

llvm-svn: 166052
 2012-10-16 19:51:48 +00:00
Manman Ren fef9e3199a ARM ABI: passing illegal vector types as varargs. 
We expand varargs in clang and the call site is handled in the back end, it is
hard to match exactly how illegal vectors are handled in the backend. Therefore,
we legalize the illegal vector types in clang:
if (Size <= 32), legalize to i32.
if (Size == 64), legalize to v2i32.
if (Size == 128), legalize to v4i32.
if (Size > 128), use indirect.

rdar://12439123

llvm-svn: 166043
 2012-10-16 19:18:39 +00:00
Manman Ren cca54d0460 ARM ABI: fix ABI alignment issues when passing legal vector types as varargs. 
We create an aligned temporary space and copy the content over from ap.cur to
the temporary space. This is necessary if the natural alignment of the type is
greater than the ABI alignment.

rdar://12439123

llvm-svn: 166040
 2012-10-16 19:01:37 +00:00