From c158dde21944f2dc016d8d34b46e301d61243ca2 Mon Sep 17 00:00:00 2001
From: Kenneth Uildriks <kennethuil@gmail.com>
Date: Wed, 11 Nov 2009 19:59:24 +0000
Subject: x86 users can now return arbitrary sized structs.  Structs too large
 to fit in return registers will be returned through a hidden sret parameter
 introduced during SelectionDAG construction.

git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@86876 91177308-0d34-0410-b5e6-96231b3b80d8
---
 test/CodeGen/X86/bigstructret.ll | 17 +++++++++++++++++
 1 file changed, 17 insertions(+)
 create mode 100644 test/CodeGen/X86/bigstructret.ll

(limited to 'test/CodeGen')

diff --git a/test/CodeGen/X86/bigstructret.ll b/test/CodeGen/X86/bigstructret.ll
new file mode 100644
index 0000000..633995d
--- /dev/null
+++ b/test/CodeGen/X86/bigstructret.ll
@@ -0,0 +1,17 @@
+; RUN: llc < %s -march=x86 -o %t
+; RUN: grep "movl	.24601, 12(%ecx)" %t
+; RUN: grep "movl	.48, 8(%ecx)" %t
+; RUN: grep "movl	.24, 4(%ecx)" %t
+; RUN: grep "movl	.12, (%ecx)" %t
+
+%0 = type { i32, i32, i32, i32 }
+
+define internal fastcc %0 @ReturnBigStruct() nounwind readnone {
+entry:
+  %0 = insertvalue %0 zeroinitializer, i32 12, 0
+  %1 = insertvalue %0 %0, i32 24, 1
+  %2 = insertvalue %0 %1, i32 48, 2
+  %3 = insertvalue %0 %2, i32 24601, 3
+  ret %0 %3
+}
+
-- 
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