New testcase

llvm-svn: 12201
diff --git a/llvm/test/Regression/Transforms/ArgumentPromotion/aggregate-promote.ll b/llvm/test/Regression/Transforms/ArgumentPromotion/aggregate-promote.ll
new file mode 100644
index 0000000..d6041f6
--- /dev/null
+++ b/llvm/test/Regression/Transforms/ArgumentPromotion/aggregate-promote.ll
@@ -0,0 +1,21 @@
+; RUN: llvm-as < %s | opt -argpromotion -instcombine | not grep load
+
+%QuadTy = type {int, int, int, int}
+
+%G = constant %QuadTy {int 0, int 0, int 17, int 25 }
+
+implementation
+
+internal int %test(%QuadTy* %P) {
+	%A = getelementptr %QuadTy* %P, long 0, ubyte 3
+	%B = getelementptr %QuadTy* %P, long 0, ubyte 2
+	%a = load int* %A
+	%b = load int* %B
+	%V = add int %a, %b
+	ret int %V
+}
+
+int %caller() {
+	%V = call int %test(%QuadTy* %G)
+	ret int %V
+}