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Author SHA1 Message Date
David Tweed c38f11de40 r172047 lacked a test (due to incomplete OpenCL support in clang). Use a modified 
version of a test by Joey Gouly to use attributes to materialise the unsupported
types and test vector shifts.

llvm-svn: 172053
 2013-01-10 10:42:08 +00:00
NAKAMURA Takumi 160087b1f6 clang/test/CodeGenOpenCL/shifts.cl: Fixup for -Asserts. 
llvm-svn: 171820
 2013-01-08 00:15:53 +00:00
David Tweed 042e0883cb Scalar shifts in the OpenCL specification (as of v. 1.2) are defined to be 
with respect to the lower "left-hand-side bitwidth" bits, even when negative);
see OpenCL spec 6.3j. This patch both implements this behaviour in the code
generator and "constant folding" bits of Sema, and also prevents tests
to detect undefinedness in terms of the weaker C99 or C++ specifications
from being applied. 

llvm-svn: 171755
 2013-01-07 16:43:27 +00:00