From ed48caf5e703c8ee088a8ffa7fb77ebd1b25e97b Mon Sep 17 00:00:00 2001
From: Dan Gohman <gohman@apple.com>
Date: Tue, 8 Sep 2009 01:44:02 +0000
Subject: Fix an abort on a store of an empty struct member. getValue returns
 null in the case of an empty struct, so don't try to call getNumValues on it.

git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@81180 91177308-0d34-0410-b5e6-96231b3b80d8
---
 test/CodeGen/X86/store-empty-member.ll | 14 ++++++++++++++
 1 file changed, 14 insertions(+)
 create mode 100644 test/CodeGen/X86/store-empty-member.ll

(limited to 'test/CodeGen/X86/store-empty-member.ll')

diff --git a/test/CodeGen/X86/store-empty-member.ll b/test/CodeGen/X86/store-empty-member.ll
new file mode 100644
index 0000000000..98c1a9904d
--- /dev/null
+++ b/test/CodeGen/X86/store-empty-member.ll
@@ -0,0 +1,14 @@
+; RUN: llvm-as < %s | llc -march=x86 | FileCheck %s
+
+; Don't crash on an empty struct member.
+
+; CHECK: movl  $2, 4(%esp)
+; CHECK: movl  $1, (%esp)
+
+%testType = type {i32, [0 x i32], i32}
+
+define void @foo() nounwind {
+  %1 = alloca %testType
+  volatile store %testType {i32 1, [0 x i32] zeroinitializer, i32 2}, %testType* %1
+  ret void
+}
-- 
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