1 files changed, 46 insertions, 0 deletions
diff --git a/test/CodeGenOpenCL/overload.cl b/test/CodeGenOpenCL/overload.cl
new file mode 100644
index 000000000000..f182cb5fd2af
--- /dev/null
+++ b/test/CodeGenOpenCL/overload.cl
@@ -0,0 +1,46 @@
+// RUN: %clang_cc1 -cl-std=CL2.0 -emit-llvm -o - -triple spir-unknown-unknown %s | FileCheck %s
+
+typedef short short4 __attribute__((ext_vector_type(4)));
+
+// CHECK-DAG: declare spir_func <4 x i16> @_Z5clampDv4_sS_S_(<4 x i16>, <4 x i16>, <4 x i16>)
+short4 __attribute__ ((overloadable)) clamp(short4 x, short4 minval, short4 maxval);
+// CHECK-DAG: declare spir_func <4 x i16> @_Z5clampDv4_sss(<4 x i16>, i16 signext, i16 signext)
+short4 __attribute__ ((overloadable)) clamp(short4 x, short minval, short maxval);
+void __attribute__((overloadable)) foo(global int *a, global int *b);
+void __attribute__((overloadable)) foo(generic int *a, generic int *b);
+void __attribute__((overloadable)) bar(generic int *global *a, generic int *global *b);
+void __attribute__((overloadable)) bar(generic int *generic *a, generic int *generic *b);
+
+// Checking address space resolution
+void kernel test1() {
+  global int *a;
+  global int *b;
+  generic int *c;
+  local int *d;
+  generic int *generic *gengen;
+  generic int *local *genloc;
+  generic int *global *genglob;
+  // CHECK-DAG: call spir_func void @_Z3fooPU3AS1iS0_(i32 addrspace(1)* undef, i32 addrspace(1)* undef)
+  foo(a, b);
+  // CHECK-DAG: call spir_func void @_Z3fooPU3AS4iS0_(i32 addrspace(4)* undef, i32 addrspace(4)* undef)
+  foo(b, c);
+  // CHECK-DAG: call spir_func void @_Z3fooPU3AS4iS0_(i32 addrspace(4)* undef, i32 addrspace(4)* undef)
+  foo(a, d);
+
+  // CHECK-DAG: call spir_func void @_Z3barPU3AS4PU3AS4iS2_(i32 addrspace(4)* addrspace(4)* undef, i32 addrspace(4)* addrspace(4)* undef)
+  bar(gengen, genloc);
+  // CHECK-DAG: call spir_func void @_Z3barPU3AS4PU3AS4iS2_(i32 addrspace(4)* addrspace(4)* undef, i32 addrspace(4)* addrspace(4)* undef)
+  bar(gengen, genglob);
+  // CHECK-DAG: call spir_func void @_Z3barPU3AS1PU3AS4iS2_(i32 addrspace(4)* addrspace(1)* undef, i32 addrspace(4)* addrspace(1)* undef)
+  bar(genglob, genglob);
+}
+
+// Checking vector vs scalar resolution
+void kernel test2() {
+  short4 e0=0;
+
+  // CHECK-DAG: call spir_func <4 x i16> @_Z5clampDv4_sss(<4 x i16> zeroinitializer, i16 signext 0, i16 signext 255)
+  clamp(e0, 0, 255);
+  // CHECK-DAG: call spir_func <4 x i16> @_Z5clampDv4_sS_S_(<4 x i16> zeroinitializer, <4 x i16> zeroinitializer, <4 x i16> zeroinitializer)
+  clamp(e0, e0, e0);
+}