1 files changed, 57 insertions, 0 deletions
diff --git a/test/CodeGen/AArch64/local_vars.ll b/test/CodeGen/AArch64/local_vars.ll
new file mode 100644
index 0000000000..5cbf5a37ec
--- /dev/null
+++ b/test/CodeGen/AArch64/local_vars.ll
@@ -0,0 +1,57 @@
+; RUN: llc -verify-machineinstrs < %s -mtriple=aarch64-none-linux-gnu -O0 | FileCheck %s
+; RUN: llc -verify-machineinstrs < %s -mtriple=aarch64-none-linux-gnu -O0 -disable-fp-elim | FileCheck -check-prefix CHECK-WITHFP %s
+
+; Make sure a reasonably sane prologue and epilogue are
+; generated. This test is not robust in the face of an frame-handling
+; evolving, but still has value for unrelated changes, I
+; believe.
+;
+; In particular, it will fail when ldp/stp are used for frame setup,
+; when FP-elim is implemented, and when addressing from FP is
+; implemented.
+
+@var = global i64 0
+@local_addr = global i64* null
+
+declare void @foo()
+
+define void @trivial_func() nounwind {
+; CHECK: trivial_func: // @trivial_func
+; CHECK-NEXT: // BB#0
+; CHECK-NEXT: ret
+
+  ret void
+}
+
+define void @trivial_fp_func() {
+; CHECK-WITHFP: trivial_fp_func:
+
+; CHECK-WITHFP: sub sp, sp, #16
+; CHECK-WITHFP: stp x29, x30, [sp]
+; CHECK-WITHFP-NEXT: mov x29, sp
+
+; Dont't really care, but it would be a Bad Thing if this came after the epilogue.
+; CHECK: bl foo
+  call void @foo()
+  ret void
+
+; CHECK-WITHFP: ldp x29, x30, [sp]
+; CHECK-WITHFP: add sp, sp, #16
+
+; CHECK-WITHFP: ret
+}
+
+define void @stack_local() {
+  %local_var = alloca i64
+; CHECK: stack_local:
+; CHECK: sub sp, sp, #16
+
+  %val = load i64* @var
+  store i64 %val, i64* %local_var
+; CHECK: str {{x[0-9]+}}, [sp, #{{[0-9]+}}]
+
+  store i64* %local_var, i64** @local_addr
+; CHECK: add {{x[0-9]+}}, sp, #{{[0-9]+}}
+
+  ret void
+}