AMDGPU: Setup SP/FP in callee function prolog/epilog
llvm-svn: 306312
diff --git a/llvm/test/CodeGen/AMDGPU/callee-frame-setup.ll b/llvm/test/CodeGen/AMDGPU/callee-frame-setup.ll
new file mode 100644
index 0000000..6c3594b
--- /dev/null
+++ b/llvm/test/CodeGen/AMDGPU/callee-frame-setup.ll
@@ -0,0 +1,27 @@
+; RUN: llc -march=amdgcn -mcpu=hawaii -verify-machineinstrs < %s | FileCheck -enable-var-scope -check-prefix=GCN -check-prefix=CI %s
+
+; GCN-LABEL: {{^}}callee_no_stack:
+; GCN: ; BB#0:
+; GCN-NEXT: s_waitcnt
+; GCN-NEXT: s_setpc_b64
+define void @callee_no_stack() #0 {
+ ret void
+}
+
+; Requires frame pointer for access to local regular object.
+
+; GCN-LABEL: {{^}}callee_with_stack:
+; GCN: ; BB#0:
+; GCN-NEXT: s_waitcnt
+; GCN-NEXT: s_mov_b32 s5, s32
+; GCN-NEXT: v_mov_b32_e32 v0, 0{{$}}
+; GCN-NEXT: buffer_store_dword v0, off, s[0:3], s5 offset:4{{$}}
+; GCN-NEXT: s_waitcnt
+; GCN-NEXT: s_setpc_b64
+define void @callee_with_stack() #0 {
+ %alloca = alloca i32
+ store volatile i32 0, i32* %alloca
+ ret void
+}
+
+attributes #0 = { nounwind }