--- /dev/null	Thu Jan 01 00:00:00 1970 +0000
+++ b/test/CodeGen/X86/field-extract-use-trunc.ll	Thu Dec 12 13:56:28 2013 +0900
@@ -0,0 +1,39 @@
+; RUN: llc < %s -march=x86 | grep sar | count 1
+; RUN: llc < %s -march=x86-64 | not grep sar
+
+define i32 @test(i32 %f12) nounwind {
+	%tmp7.25 = lshr i32 %f12, 16		
+	%tmp7.26 = trunc i32 %tmp7.25 to i8
+	%tmp78.2 = sext i8 %tmp7.26 to i32
+	ret i32 %tmp78.2
+}
+
+define i32 @test2(i32 %f12) nounwind {
+	%f11 = shl i32 %f12, 8
+	%tmp7.25 = ashr i32 %f11, 24
+	ret i32 %tmp7.25
+}
+
+define i32 @test3(i32 %f12) nounwind {
+	%f11 = shl i32 %f12, 13
+	%tmp7.25 = ashr i32 %f11, 24
+	ret i32 %tmp7.25
+}
+
+define i64 @test4(i64 %f12) nounwind {
+	%f11 = shl i64 %f12, 32
+	%tmp7.25 = ashr i64 %f11, 32
+	ret i64 %tmp7.25
+}
+
+define i16 @test5(i16 %f12) nounwind {
+	%f11 = shl i16 %f12, 2
+	%tmp7.25 = ashr i16 %f11, 8
+	ret i16 %tmp7.25
+}
+
+define i16 @test6(i16 %f12) nounwind {
+	%f11 = shl i16 %f12, 8
+	%tmp7.25 = ashr i16 %f11, 8
+	ret i16 %tmp7.25
+}