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Author SHA1 Message Date
Justin Lebar 281ce2af17 [CUDA] Allow extern __shared__ on empty-length arrays. 
"extern __shared__ int x[]" is OK.

llvm-svn: 283068
 2016-10-02 15:24:50 +00:00
Justin Lebar 1041101953 [CUDA] Disallow 'extern __shared__' variables. 
Also add a test that we disallow

  __constant__ __shared__ int x;

because it's possible to break this without breaking

  __shared__ __constant__ int x;

Reviewers: rnk

Subscribers: cfe-commits, tra

Differential Revision: https://reviews.llvm.org/D25125

llvm-svn: 282985
 2016-09-30 23:57:30 +00:00