It's not necessary to do rounding for alloca operations when the requested
alignment is equal to the stack alignment.


git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@40004 91177308-0d34-0410-b5e6-96231b3b80d8
diff --git a/test/Integer/BitPacked.ll b/test/Integer/BitPacked.ll
new file mode 100644
index 0000000..d363a81
--- /dev/null
+++ b/test/Integer/BitPacked.ll
@@ -0,0 +1,21 @@
+; RUN: llvm-as %s -o - | llvm-dis > %t1.ll
+; RUN: llvm-as %t1.ll -o - | llvm-dis > %t2.ll
+; RUN: diff %t1.ll %t2.ll
+
+@foo1 = external global <4 x float>;
+@foo2 = external global <2 x i10>;
+
+
+define void @main() 
+{
+        store <4 x float> <float 1.0, float 2.0, float 3.0, float 4.0>, <4 x float>* @foo1
+        store <2 x i10> <i10 4, i10 4>, <2 x i10>* @foo2
+	%l1 = load <4 x float>* @foo1
+        %l2 = load <2 x i10>* @foo2
+        %r1 = extractelement <2 x i10> %l2, i32 1    
+        %r2 = extractelement <2 x i10> %l2, i32 0
+        %t = mul i10 %r1, %r2
+        %r3 = insertelement <2 x i10> %l2, i10 %t, i32 0    
+        store <2 x i10> %r3, <2 x i10>* @foo2
+        ret void
+}