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| author | Alexey Bataev <a.bataev@hotmail.com> | 2015-09-15 12:52:43 +0000 |
|---|---|---|
| committer | Alexey Bataev <a.bataev@hotmail.com> | 2015-09-15 12:52:43 +0000 |
| commit | 25e5b4465494ff106fec9b5623e9d74e6b242e79 (patch) | |
| tree | b9e0e6b8773322f22b9c385b4e1c4783a5f95717 /llvm/lib/Analysis/LibCallSemantics.cpp | |
| parent | 7d4038dc5a0a6095324d3f1462fc4402a8a6eac3 (diff) | |
| download | bcm5719-llvm-25e5b4465494ff106fec9b5623e9d74e6b242e79.tar.gz bcm5719-llvm-25e5b4465494ff106fec9b5623e9d74e6b242e79.zip | |
[OPENMP] Emit __kmpc_cancel_barrier() and code for 'cancellation point' only if 'cancel' is found.
Patch improves codegen for OpenMP constructs. If the OpenMP region does not have internal 'cancel' construct, a call to 'void __kmpc_barrier()' runtime function is generated for all implicit/explicit barriers. If the region has inner 'cancel' directive, then
```
if (__kmpc_cancel_barrier())
exit from outer construct;
```
code is generated.
Also, the code for 'canellation point' directive is not generated if parent directive does not have 'cancel' directive.
llvm-svn: 247681
Diffstat (limited to 'llvm/lib/Analysis/LibCallSemantics.cpp')
0 files changed, 0 insertions, 0 deletions
