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Author SHA1 Message Date
Akira Hatanaka 8c26ea663d Produce a better diagnostic for global register variables. 
Currently, when there is a global register variable in a program that
is bound to an invalid register, clang/llvm prints an error message that
is not very user-friendly.

This commit improves the diagnostic and moves the check that used to be
in the backend to Sema. In addition, it makes changes to error out if
the size of the register doesn't match the declared variable size.

e.g., volatile register int B asm ("rbp");

rdar://problem/23084219

Differential Revision: http://reviews.llvm.org/D13834

llvm-svn: 253405
 2015-11-18 00:15:28 +00:00
Artem Belevich 5ef02c2db7 [CUDA] Check register names on appropriate side of cuda compilation only. 
Differential Revision: http://reviews.llvm.org/D11950

llvm-svn: 246193
 2015-08-27 19:54:21 +00:00
Artem Belevich 5196fe7c19 Ignore device-side asm constraint errors while compiling CUDA code for host and vice versa. 
Differential Revision: http://reviews.llvm.org/D8392

llvm-svn: 232747
 2015-03-19 18:40:25 +00:00