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Author SHA1 Message Date
Tanya Lattner 49b3841398 The comparison of two vectors should return a signed result. hasIntegerRepresentation() used to always return false for vectors, but since it was changed, it also 
changed the return type of a compare of two unsigned vectors to be unsigned. This patch removes the check for hasIntegerRepresentation since its not needed and returns the appropriate signed type.
I added a new test case and updated exisiting test cases that assumed an unsigned result.

llvm-svn: 142250
 2011-10-17 21:00:38 +00:00
Tobias Grosser 766bcc27dc In OpenCL, conversions between different vector types are disallowed 
OpenCL 6.2.1 says: "Implicit conversions between built-in vector data types are
disallowed."  OpenCL 6.2.2 says: "Explicit casts between vector types are not
legal."  For example:

uint4 u = (uint4)(1);
int4 i = u; // invalid implicit conversion
int4 e = (int4)u; // invalid explicit conversion

Fixes PR10967. Submitted by: Anton Lokhmotov <Anton.lokhmotov@gmail.com>

llvm-svn: 140300
 2011-09-22 13:03:14 +00:00
Tobias Grosser 0a3a22fe66 In the OpenCL mode, the AltiVec mode must be off and checks must be strict 
OpenCL is different from AltiVec in the way it supports vector literals.  OpenCL
is strict with regards to semantic checks.  For example, implicit conversions
and explicit casts between vectors of different types are disallowed.

Fixes PR10975. Submitted by: Anton Lokhmotov <Anton.lokhmotov@gmail.com>

llvm-svn: 140270
 2011-09-21 18:28:29 +00:00
Peter Collingbourne 2dbb708b8a OpenCL: introduce support for function scope __local variables 
llvm-svn: 140068
 2011-09-19 21:14:35 +00:00
Tanya Lattner 8355938fcd This handles the missing cases of opencl vector literals. 
Test cases provided by Anton Lokhmot.

llvm-svn: 135322
 2011-07-15 23:07:01 +00:00
Peter Collingbourne c77f85b4b0 OpenCL: if double precision floating point constant encountered 
without cl_khr_fp64, warn and cast to single precision

llvm-svn: 127476
 2011-03-11 19:24:59 +00:00
Peter Collingbourne e190dee7a5 Add support for the OpenCL vec_step operator, by generalising and 
extending the existing support for sizeof and alignof.  Original
patch by Guy Benyei.

llvm-svn: 127475
 2011-03-11 19:24:49 +00:00
Peter Collingbourne e91b2dbdf1 OpenCL: standardise naming of test cases 
llvm-svn: 125590
 2011-02-15 19:46:41 +00:00
Peter Collingbourne e87167b7d8 OpenCL: semantic analysis support for cl_khr_fp64 extension 
llvm-svn: 125588
 2011-02-15 19:46:23 +00:00