[PATCH] D130768: [OpenCL][SPIR-V] Add test for extern functions with a pointer

[Anastasia Stulova via Phabricator via cfe-commits]

Anastasia created this revision.
Anastasia added reviewers: svenvh, iliya-diyachkov.
Herald added subscribers: ebevhan, yaxunl.
Herald added a project: All.
Anastasia requested review of this revision.

I would like to add this test case that enhances coverage of opaque pointers particularly for the problematic case with `extern` functions for which there is no solution found yet.


https://reviews.llvm.org/D130768

Files:
  clang/test/CodeGenOpenCL/opaque-ptr-spirv.cl


Index: clang/test/CodeGenOpenCL/opaque-ptr-spirv.cl
===================================================================
--- /dev/null
+++ clang/test/CodeGenOpenCL/opaque-ptr-spirv.cl
@@ -0,0 +1,10 @@
+// RUN: %clang_cc1 -no-opaque-pointers -emit-llvm -o - -triple spirv64 %s | FileCheck %s
+
+// Check that we have a way to recover pointer
+// types for extern function prototypes (see PR56660).
+extern void foo(global int * ptr);
+kernel void k(global int * ptr) {
+  foo(ptr);
+}
+//CHECK: define spir_kernel void @k(i32 {{.*}}*
+//CHECK: declare spir_func void @foo(i32 {{.*}}*


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