From 6c1d01b37cca05d41eac6be9c0238371989f23e1 Mon Sep 17 00:00:00 2001
From: Dale Johannesen <dalej@apple.com>
Date: Wed, 14 Jul 2010 21:22:35 +0000
Subject: [PATCH] Tests for llvm-gcc commit 108360.

llvm-svn: 108362
---
 .../2010-07-14-overconservative-align.c       | 14 ++++++++++
 test/FrontendC/2010-07-14-ref-off-end.c       | 27 +++++++++++++++++++
 2 files changed, 41 insertions(+)
 create mode 100644 test/FrontendC/2010-07-14-overconservative-align.c
 create mode 100644 test/FrontendC/2010-07-14-ref-off-end.c

diff --git a/test/FrontendC/2010-07-14-overconservative-align.c b/test/FrontendC/2010-07-14-overconservative-align.c
new file mode 100644
index 00000000000..65fbdb83003
--- /dev/null
+++ b/test/FrontendC/2010-07-14-overconservative-align.c
@@ -0,0 +1,14 @@
+// RUN: %llvmgcc %s -emit-llvm -m64 -S -o - | FileCheck %s
+// PR 5995
+struct s {
+    int word;
+    struct {
+        int filler __attribute__ ((aligned (8)));
+    };
+};
+
+void func (struct s *s)
+{
+// CHECK: load %struct.s** %s_addr, align 8
+    s->word = 0;
+}
diff --git a/test/FrontendC/2010-07-14-ref-off-end.c b/test/FrontendC/2010-07-14-ref-off-end.c
new file mode 100644
index 00000000000..6ccd05b770e
--- /dev/null
+++ b/test/FrontendC/2010-07-14-ref-off-end.c
@@ -0,0 +1,27 @@
+// RUN: %llvmgcc %s -S -m32 -o - | FileCheck %s
+// Formerly this generated code that did a load past the end of the structure.
+// That was fixed by 46726, but that patch had bad side effects and was
+// reverted.  This has been fixed another way in the meantime.
+extern void abort();
+extern void exit(int);
+struct T
+{
+unsigned i:8;
+unsigned c:24;
+};
+f(struct T t)
+{
+struct T s[1];
+s[0]=t;
+return(char)s->c;
+}
+main()
+{
+// CHECK:  getelementptr inbounds %struct.T* %t, i32 0, i32 0 ; <i32*> [#uses=2]
+// CHECK:  getelementptr inbounds %struct.T* %t, i32 0, i32 0 ; <i32*> [#uses=2]
+struct T t;
+t.i=0xff;
+t.c=0xffff11;
+if(f(t)!=0x11)abort();
+exit(0);
+}