================
@@ -0,0 +1,43 @@
+// RUN: %clang_cc1 -triple amdgcn-unknown-unknown -emit-llvm -o - %s |
FileCheck %s
+
+// CHECK: define dso_local amdgpu_kernel void @callee_kern({{.*}})
+__attribute__((noinline)) kernel void callee_kern(global int *A){
+ *A = 1;
+}
+
+__attribute__((noinline)) kernel void ext_callee_kern(global int *A);
+
+// CHECK: define dso_local void @callee_func({{.*}})
+__attribute__((noinline)) void callee_func(global int *A){
+ *A = 2;
+}
+
+// CHECK: define dso_local amdgpu_kernel void @caller_kern({{.*}})
+kernel void caller_kern(global int* A){
+ callee_kern(A);
+ // CHECK: tail call void @__clang_ocl_kern_imp_callee_kern({{.*}})
+ ext_callee_kern(A);
+ // CHECK: tail call void @__clang_ocl_kern_imp_ext_callee_kern({{.*}})
+ callee_func(A);
+ // CHECK: tail call void @callee_func({{.*}})
+
+}
+
+// CHECK: define dso_local void @__clang_ocl_kern_imp_callee_kern({{.*}})
+
+// CHECK: declare void @__clang_ocl_kern_imp_ext_callee_kern({{.*}})
+
+// CHECK: define dso_local void @caller_func({{.*}})
+void caller_func(global int* A){
+ callee_kern(A);
+ // CHECK: tail call void @__clang_ocl_kern_imp_callee_kern({{.*}}) #7
+ ext_callee_kern(A);
+ // CHECK: tail call void @__clang_ocl_kern_imp_ext_callee_kern({{.*}}) #8
+ callee_func(A);
+ // CHECK: tail call void @callee_func({{.*}})
+}
+
+// CHECK: define dso_local void @__clang_ocl_kern_imp_caller_kern({{.*}})
+// CHECK: tail call void @__clang_ocl_kern_imp_callee_kern({{.*}})
+// CHECK: tail call void @__clang_ocl_kern_imp_ext_callee_kern({{.*}})
+// CHECK: tail call void @callee_func({{.*}})
----------------
arsenm wrote:
Another case to check is with the indirect call extension enabled. I would
assume the address of operator should yield the callable function
https://github.com/llvm/llvm-project/pull/115821
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