From 477de3a7859104d7c41a36628169e13e524e980a Mon Sep 17 00:00:00 2001
From: Yiannis Tsiouris <gtsiour@softlab.ntua.gr>
Date: Mon, 25 Mar 2013 13:47:46 +0000
Subject: Add a GC plugin for Erlang

git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@177867 91177308-0d34-0410-b5e6-96231b3b80d8
---
 test/CodeGen/X86/GC/erlang-gc.ll | 25 +++++++++++++++++++++++++
 1 file changed, 25 insertions(+)
 create mode 100644 test/CodeGen/X86/GC/erlang-gc.ll

(limited to 'test/CodeGen/X86/GC')

diff --git a/test/CodeGen/X86/GC/erlang-gc.ll b/test/CodeGen/X86/GC/erlang-gc.ll
new file mode 100644
index 0000000000..c55b7f6dcf
--- /dev/null
+++ b/test/CodeGen/X86/GC/erlang-gc.ll
@@ -0,0 +1,25 @@
+; RUN: llc -mtriple=x86_64-linux-gnu < %s | FileCheck %s --check-prefix=CHECK64
+; RUN: llc -mtriple=i686-linux-gnu < %s | FileCheck %s --check-prefix=CHECK32
+
+define i32 @main(i32 %x) nounwind gc "erlang" {
+  %puts = tail call i32 @foo(i32 %x)
+  ret i32 0
+
+; CHECK64:      .section  .note.gc,"",@progbits
+; CHECK64-NEXT: .align 8
+; CHECK64-NEXT: .short 1      # safe point count
+; CHECK64-NEXT: .long  .Ltmp0 # safe point address
+; CHECK64-NEXT: .short 1      # stack frame size (in words)
+; CHECK64-NEXT: .short 0      # stack arity
+; CHECK64-NEXT: .short 0      # live root count
+
+; CHECK32:      .section  .note.gc,"",@progbits
+; CHECK32-NEXT: .align 4
+; CHECK32-NEXT: .short 1      # safe point count
+; CHECK32-NEXT: .long  .Ltmp0 # safe point address
+; CHECK32-NEXT: .short 3      # stack frame size (in words)
+; CHECK32-NEXT: .short 0      # stack arity
+; CHECK32-NEXT: .short 0      # live root count
+}
+
+declare i32 @foo(i32)
-- 
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