From 721c201bd55ffb73cb2ba8d39e0570fa38c44e15 Mon Sep 17 00:00:00 2001
From: dim <dim@FreeBSD.org>
Date: Wed, 15 Aug 2012 19:34:23 +0000
Subject: Vendor import of llvm trunk r161861:
 http://llvm.org/svn/llvm-project/llvm/trunk@161861

---
 test/CodeGen/ARM/struct_byval.ll | 46 ++++++++++++++++++++++++++++++++++++++++
 1 file changed, 46 insertions(+)
 create mode 100644 test/CodeGen/ARM/struct_byval.ll

(limited to 'test/CodeGen/ARM/struct_byval.ll')

diff --git a/test/CodeGen/ARM/struct_byval.ll b/test/CodeGen/ARM/struct_byval.ll
new file mode 100644
index 0000000..99ba475
--- /dev/null
+++ b/test/CodeGen/ARM/struct_byval.ll
@@ -0,0 +1,46 @@
+; RUN: llc < %s -mtriple=armv7-apple-ios6.0 | FileCheck %s
+
+; rdar://9877866
+%struct.SmallStruct = type { i32, [8 x i32], [37 x i8] }
+%struct.LargeStruct = type { i32, [1001 x i8], [300 x i32] }
+
+define i32 @f() nounwind ssp {
+entry:
+; CHECK: f:
+; CHECK: ldr
+; CHECK: str
+; CHECK-NOT:bne
+  %st = alloca %struct.SmallStruct, align 4
+  %call = call i32 @e1(%struct.SmallStruct* byval %st)
+  ret i32 0
+}
+
+; Generate a loop for large struct byval
+define i32 @g() nounwind ssp {
+entry:
+; CHECK: g:
+; CHECK: ldr
+; CHECK: sub
+; CHECK: str
+; CHECK: bne
+  %st = alloca %struct.LargeStruct, align 4
+  %call = call i32 @e2(%struct.LargeStruct* byval %st)
+  ret i32 0
+}
+
+; Generate a loop using NEON instructions
+define i32 @h() nounwind ssp {
+entry:
+; CHECK: h:
+; CHECK: vld1
+; CHECK: sub
+; CHECK: vst1
+; CHECK: bne
+  %st = alloca %struct.LargeStruct, align 16
+  %call = call i32 @e3(%struct.LargeStruct* byval align 16 %st)
+  ret i32 0
+}
+
+declare i32 @e1(%struct.SmallStruct* nocapture byval %in) nounwind
+declare i32 @e2(%struct.LargeStruct* nocapture byval %in) nounwind
+declare i32 @e3(%struct.LargeStruct* nocapture byval align 16 %in) nounwind
-- 
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