1 files changed, 17 insertions, 0 deletions
diff --git a/llvm/test/CodeGen/AMDGPU/GlobalISel/llvm.amdgcn.implicit.buffer.ptr.ll b/llvm/test/CodeGen/AMDGPU/GlobalISel/llvm.amdgcn.implicit.buffer.ptr.ll
new file mode 100644
index 00000000000..2028b8abe96
--- /dev/null
+++ b/llvm/test/CodeGen/AMDGPU/GlobalISel/llvm.amdgcn.implicit.buffer.ptr.ll
@@ -0,0 +1,17 @@
+; RUN: llc -global-isel -mtriple=amdgcn-mesa-mesa3d -verify-machineinstrs < %s | FileCheck -check-prefix=GCN %s
+
+; FIXME: Dropped parts from original test
+
+; GCN-LABEL: {{^}}test_ps:
+; GCN: s_load_dword s{{[0-9]+}}, s[0:1], 0x0
+define amdgpu_ps i32 @test_ps() #1 {
+  %implicit_buffer_ptr = call i8 addrspace(4)* @llvm.amdgcn.implicit.buffer.ptr()
+  %buffer_ptr = bitcast i8 addrspace(4)* %implicit_buffer_ptr to i32 addrspace(4)*
+  %value = load volatile i32, i32 addrspace(4)* %buffer_ptr
+  ret i32 %value
+}
+
+declare i8 addrspace(4)* @llvm.amdgcn.implicit.buffer.ptr() #0
+
+attributes #0 = { nounwind readnone speculatable }
+attributes #1 = { nounwind }