vendor/llvm/llvm-trunk-r240225

1 files changed, 21 insertions, 0 deletions

diff --git a/test/CodeGen/AMDGPU/empty-function.ll b/test/CodeGen/AMDGPU/empty-function.ll
new file mode 100644
index 000000000000..a060900811ea
--- /dev/null
+++ b/test/CodeGen/AMDGPU/empty-function.ll
@@ -0,0 +1,21 @@
+; RUN: llc -march=amdgcn -mcpu=SI -verify-machineinstrs < %s | FileCheck -check-prefix=SI %s
+; RUN: llc -march=amdgcn -mcpu=tonga -verify-machineinstrs < %s | FileCheck -check-prefix=SI %s
+
+; Make sure we don't assert on empty functions
+
+; SI: .text
+; SI-LABEL: {{^}}empty_function_ret:
+; SI: s_endpgm
+; SI: codeLenInByte = 4
+define void @empty_function_ret() #0 {
+  ret void
+}
+
+; SI: .text
+; SI-LABEL: {{^}}empty_function_unreachable:
+; SI: codeLenInByte = 0
+define void @empty_function_unreachable() #0 {
+  unreachable
+}
+
+attributes #0 = { nounwind }