[OPENMP] Loop canonical form analysis (Sema)
This patch implements semantic analysis to make sure that the loop is in OpenMP canonical form.
This is the form required for 'omp simd', 'omp for' and other loop pragmas.
Differential revision: http://reviews.llvm.org/D3778
llvm-svn: 210095
diff --git a/clang/lib/Sema/SemaStmt.cpp b/clang/lib/Sema/SemaStmt.cpp
index ec11dad..cdcbaea 100644
--- a/clang/lib/Sema/SemaStmt.cpp
+++ b/clang/lib/Sema/SemaStmt.cpp
@@ -2417,6 +2417,9 @@
// C99 6.8.6.3p1: A break shall appear only in or as a switch/loop body.
return StmtError(Diag(BreakLoc, diag::err_break_not_in_loop_or_switch));
}
+ if (S->isOpenMPLoopScope())
+ return StmtError(Diag(BreakLoc, diag::err_omp_loop_cannot_use_stmt)
+ << "break");
return new (Context) BreakStmt(BreakLoc);
}
@@ -3188,6 +3191,9 @@
!getSourceManager().isInSystemHeader(TryLoc))
Diag(TryLoc, diag::err_exceptions_disabled) << "try";
+ if (getCurScope() && getCurScope()->isOpenMPSimdDirectiveScope())
+ Diag(TryLoc, diag::err_omp_simd_region_cannot_use_stmt) << "try";
+
const unsigned NumHandlers = Handlers.size();
assert(NumHandlers > 0 &&
"The parser shouldn't call this if there are no handlers.");