feature test for packed structs

git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@32363 91177308-0d34-0410-b5e6-96231b3b80d8

diff --git a/test/Feature/packed_struct.ll b/test/Feature/packed_struct.ll
new file mode 100755 (executable)
index 0000000..97e4d59
--- /dev/null
+++ b/test/Feature/packed_struct.ll
@@ -0,0 +1,29 @@
+; RUN: llvm-as < %s | llvm-dis > %t1.ll
+; RUN: llvm-as %t1.ll -o - | llvm-dis > %t2.ll
+; RUN: diff %t1.ll %t2.ll &&
+; RUN: not grep cast %t2.ll &&
+; RUN: grep "<{" %t2.ll
+
+%struct.anon = type <{ sbyte, int, int, int }>
+%foos = external global %struct.anon 
+%bara = external global [2 x <{ int, sbyte }>]
+
+implementation   ; Functions:
+
+int %main() 
+{
+        %tmp = load int*  getelementptr (%struct.anon* %foos, int 0, uint 1)            ; <int> [#uses=1]
+        %tmp3 = load int* getelementptr (%struct.anon* %foos, int 0, uint 2)            ; <int> [#uses=1]
+        %tmp6 = load int* getelementptr (%struct.anon* %foos, int 0, uint 3)            ; <int> [#uses=1]
+        %tmp4 = add int %tmp3, %tmp             ; <int> [#uses=1]
+        %tmp7 = add int %tmp4, %tmp6            ; <int> [#uses=1]
+        ret int %tmp7
+}
+
+int %bar() {
+entry:
+        %tmp = load int* getelementptr([2 x <{ int, sbyte }>]* %bara, int 0, int 0, uint 0 )            ; <int> [#uses=1]
+        %tmp4 = load int* getelementptr ([2 x <{ int, sbyte }>]* %bara, int 0, int 1, uint 0)           ; <int> [#uses=1]
+        %tmp5 = add int %tmp4, %tmp             ; <int> [#uses=1]
+        ret int %tmp5
+}