Allow clk_event_t comparisons

Also rename `invalid-clk-events-cl2.0.cl` to `clk_event_t.cl` and
repurpose it to include both positive and negative clk_event_t tests.

Differential Revision: https://reviews.llvm.org/D53871

llvm-svn: 345825

1 files changed, 4 insertions, 0 deletions

diff --git a/clang/lib/Sema/SemaExpr.cpp b/clang/lib/Sema/SemaExpr.cpp
index 8e04ae888b5..ecda5be8772 100644
--- a/clang/lib/Sema/SemaExpr.cpp
+++ b/clang/lib/Sema/SemaExpr.cpp
@@ -10497,6 +10497,10 @@ QualType Sema::CheckCompareOperands(ExprResult &LHS, ExprResult &RHS,
   }
 
   if (getLangOpts().OpenCLVersion >= 200) {
+    if (LHSType->isClkEventT() && RHSType->isClkEventT()) {
+      return computeResultTy();
+    }
+
     if (LHSType->isQueueT() && RHSType->isQueueT()) {
       return computeResultTy();
     }