[OpenCL] Change to clk_event parameter in enqueue_kernel.
- Accept NULL pointer as a valid parameter value for clk_event.
- Generate clk_event_t arguments of internal
__enqueue_kernel_XXX function as pointers in generic address space.
Review: https://reviews.llvm.org/D26507
llvm-svn: 286836
diff --git a/clang/lib/Sema/SemaChecking.cpp b/clang/lib/Sema/SemaChecking.cpp
index 8d71995..323675a 100644
--- a/clang/lib/Sema/SemaChecking.cpp
+++ b/clang/lib/Sema/SemaChecking.cpp
@@ -451,16 +451,20 @@
Expr *Arg4 = TheCall->getArg(4);
Expr *Arg5 = TheCall->getArg(5);
- // Fith argument is always passed as pointers to clk_event_t.
- if (!Arg4->getType()->getPointeeOrArrayElementType()->isClkEventT()) {
+ // Fifth argument is always passed as a pointer to clk_event_t.
+ if (!Arg4->isNullPointerConstant(S.Context,
+ Expr::NPC_ValueDependentIsNotNull) &&
+ !Arg4->getType()->getPointeeOrArrayElementType()->isClkEventT()) {
S.Diag(TheCall->getArg(4)->getLocStart(),
diag::err_opencl_enqueue_kernel_expected_type)
<< S.Context.getPointerType(S.Context.OCLClkEventTy);
return true;
}
- // Sixth argument is always passed as pointers to clk_event_t.
- if (!(Arg5->getType()->isPointerType() &&
+ // Sixth argument is always passed as a pointer to clk_event_t.
+ if (!Arg5->isNullPointerConstant(S.Context,
+ Expr::NPC_ValueDependentIsNotNull) &&
+ !(Arg5->getType()->isPointerType() &&
Arg5->getType()->getPointeeType()->isClkEventT())) {
S.Diag(TheCall->getArg(5)->getLocStart(),
diag::err_opencl_enqueue_kernel_expected_type)