llvm-project

Commit Graph

Author	SHA1	Message	Date
Justin Bogner	a463537a36	NVPTX: Replace uses of cuda.syncthreads with nvvm.barrier0 Everywhere where cuda.syncthreads or __syncthreads is used, use the properly namespaced nvvm.barrier0 instead. llvm-svn: 274664	2016-07-06 20:02:45 +00:00
Justin Lebar	b5c7b1c00f	[NVPTX] Test that MachineSink won't sink across llvm.cuda.syncthreads. Summary: The syncthreads MI is modeled as mayread/maywrite -- convergence doesn't even come into play here. Nonetheless this property is highly implicit in the tablegen files, so a test seems appropriate. Reviewers: jingyue Subscribers: llvm-commits, jholewinski Differential Revision: http://reviews.llvm.org/D17319 llvm-svn: 261114	2016-02-17 17:46:52 +00:00

Author

SHA1

Message

Date

Justin Bogner

a463537a36

NVPTX: Replace uses of cuda.syncthreads with nvvm.barrier0

Everywhere where cuda.syncthreads or __syncthreads is used, use the
properly namespaced nvvm.barrier0 instead.

llvm-svn: 274664

2016-07-06 20:02:45 +00:00

Justin Lebar

b5c7b1c00f

[NVPTX] Test that MachineSink won't sink across llvm.cuda.syncthreads.

Summary:
The syncthreads MI is modeled as mayread/maywrite -- convergence doesn't
even come into play here.  Nonetheless this property is highly implicit
in the tablegen files, so a test seems appropriate.

Reviewers: jingyue

Subscribers: llvm-commits, jholewinski

Differential Revision: http://reviews.llvm.org/D17319

llvm-svn: 261114

2016-02-17 17:46:52 +00:00

2 Commits