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6 Commits

Author SHA1 Message Date
Alexey Bataev 87933c7ced [OPENMP 4.0] Add 'if' clause for 'cancel' directive. 
Add parsing, sema analysis and codegen for 'if' clause in 'cancel' directive.

llvm-svn: 247976
 2015-09-18 08:07:34 +00:00
Alexey Bataev 25e5b44654 [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
 2015-09-15 12:52:43 +00:00
Adrian Prantl bc068586ac Revert "Revert r241620 and follow-up commits" and move the initialization 
of the llvm targets from clang/CodeGen into ClangCheck.cpp and CIndex.cpp.

llvm-svn: 241653
 2015-07-08 01:00:30 +00:00
Adrian Prantl 142ec39739 Revert r241620 and follow-up commits while investigating linux buildbot failures. 
llvm-svn: 241642
 2015-07-07 23:19:46 +00:00
Adrian Prantl 726855a8da Update testcases that use precompiled headers to require a target after 
r241620.

llvm-svn: 241623
 2015-07-07 20:31:18 +00:00
Alexey Bataev 7d5d33ea33 [OPENMP 4.0] Codegen for 'omp cancel' directive. 
Add the next codegen for 'omp cancel' directive:
if (__kmpc_cancel()) {
  __kmpc_cancel_barrier();
  <exit construct>;
}

llvm-svn: 241429
 2015-07-06 05:50:32 +00:00