1 files changed, 34 insertions, 0 deletions
diff --git a/test/CodeGen/X86/packed_struct.ll b/test/CodeGen/X86/packed_struct.ll
new file mode 100644
index 0000000..da6e8f8
--- /dev/null
+++ b/test/CodeGen/X86/packed_struct.ll
@@ -0,0 +1,34 @@
+; RUN: llc < %s -march=x86 > %t
+; RUN: grep foos+5 %t
+; RUN: grep foos+1 %t
+; RUN: grep foos+9 %t
+; RUN: grep bara+19 %t
+; RUN: grep bara+4 %t
+
+; make sure we compute the correct offset for a packed structure
+
+;Note: codegen for this could change rendering the above checks wrong
+
+target datalayout = "e-p:32:32"
+target triple = "i686-pc-linux-gnu"
+	%struct.anon = type <{ i8, i32, i32, i32 }>
+@foos = external global %struct.anon		; <%struct.anon*> [#uses=3]
+@bara = weak global [4 x <{ i32, i8 }>] zeroinitializer		; <[4 x <{ i32, i8 }>]*> [#uses=2]
+
+define i32 @foo() nounwind {
+entry:
+	%tmp = load i32* getelementptr (%struct.anon* @foos, i32 0, i32 1)		; <i32> [#uses=1]
+	%tmp3 = load i32* getelementptr (%struct.anon* @foos, i32 0, i32 2)		; <i32> [#uses=1]
+	%tmp6 = load i32* getelementptr (%struct.anon* @foos, i32 0, i32 3)		; <i32> [#uses=1]
+	%tmp4 = add i32 %tmp3, %tmp		; <i32> [#uses=1]
+	%tmp7 = add i32 %tmp4, %tmp6		; <i32> [#uses=1]
+	ret i32 %tmp7
+}
+
+define i8 @bar() nounwind {
+entry:
+	%tmp = load i8* getelementptr ([4 x <{ i32, i8 }>]* @bara, i32 0, i32 0, i32 1)		; <i8> [#uses=1]
+	%tmp4 = load i8* getelementptr ([4 x <{ i32, i8 }>]* @bara, i32 0, i32 3, i32 1)		; <i8> [#uses=1]
+	%tmp5 = add i8 %tmp4, %tmp		; <i8> [#uses=1]
+	ret i8 %tmp5
+}