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diff --git a/test/CodeGen/X86/2008-06-13-VolatileLoadStore.ll b/test/CodeGen/X86/2008-06-13-VolatileLoadStore.ll
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+++ b/test/CodeGen/X86/2008-06-13-VolatileLoadStore.ll
@@ -0,0 +1,22 @@
+; RUN: llvm-as < %s | llc -march=x86 | grep movsd | count 5
+; RUN: llvm-as < %s | llc -march=x86 | grep movl | count 2
+
+@atomic = global double 0.000000e+00 ; <double*> [#uses=1]
+@atomic2 = global double 0.000000e+00 ; <double*> [#uses=1]
+@anything = global i64 0 ; <i64*> [#uses=1]
+@ioport = global i32 0 ; <i32*> [#uses=2]
+
+define i16 @f(i64 %x, double %y) {
+ %b = bitcast i64 %x to double ; <double> [#uses=1]
+ volatile store double %b, double* @atomic ; one processor operation only
+ volatile store double 0.000000e+00, double* @atomic2 ; one processor operation only
+ %b2 = bitcast double %y to i64 ; <i64> [#uses=1]
+ volatile store i64 %b2, i64* @anything ; may transform to store of double
+ %l = volatile load i32* @ioport ; must not narrow
+ %t = trunc i32 %l to i16 ; <i16> [#uses=1]
+ %l2 = volatile load i32* @ioport ; must not narrow
+ %tmp = lshr i32 %l2, 16 ; <i32> [#uses=1]
+ %t2 = trunc i32 %tmp to i16 ; <i16> [#uses=1]
+ %f = add i16 %t, %t2 ; <i16> [#uses=1]
+ ret i16 %f
+}