1 files changed, 71 insertions, 0 deletions
diff --git a/test/CodeGen/X86/atom-pad-short-functions.ll b/test/CodeGen/X86/atom-pad-short-functions.ll
new file mode 100644
index 0000000000..3e59934597
--- /dev/null
+++ b/test/CodeGen/X86/atom-pad-short-functions.ll
@@ -0,0 +1,71 @@
+; RUN: llc < %s -mcpu=atom -mtriple=i686-linux  | FileCheck %s
+
+declare void @external_function(...)
+
+define i32 @test_return_val(i32 %a) nounwind {
+; CHECK: test_return_val
+; CHECK: movl
+; CHECK: nop
+; CHECK: nop
+; CHECK: nop
+; CHECK: nop
+; CHECK: nop
+; CHECK: nop
+; CHECK: ret
+  ret i32 %a
+}
+
+define i32 @test_add(i32 %a, i32 %b) nounwind {
+; CHECK: test_add
+; CHECK: addl
+; CHECK: nop
+; CHECK: nop
+; CHECK: nop
+; CHECK: nop
+; CHECK: ret
+  %result = add i32 %a, %b
+  ret i32 %result
+}
+
+define i32 @test_multiple_ret(i32 %a, i32 %b, i1 %c) nounwind {
+; CHECK: @test_multiple_ret
+; CHECK: je
+
+; CHECK: nop
+; CHECK: nop
+; CHECK: ret
+
+; CHECK: nop
+; CHECK: nop
+; CHECK: ret
+
+  br i1 %c, label %bb1, label %bb2
+
+bb1:
+  ret i32 %a
+
+bb2:
+  ret i32 %b
+}
+
+define void @test_call_others(i32 %x) nounwind
+{
+; CHECK: test_call_others
+; CHECK: je
+  %tobool = icmp eq i32 %x, 0
+  br i1 %tobool, label %if.end, label %true.case
+
+; CHECK: jmp external_function
+true.case:
+  tail call void bitcast (void (...)* @external_function to void ()*)() nounwind
+  br label %if.end
+
+; CHECK: nop
+; CHECK: nop
+; CHECK: nop
+; CHECK: nop
+; CHECK: ret
+if.end:
+  ret void
+
+}