+; RUN: llc < %s -march x86-64 -mcpu=broadwell | FileCheck %s
+; RUN: llc < %s -march x86-64 -mattr=+avx2 | FileCheck %s
+
+; Check that llc can overide function attributes target-cpu and target-features
+; using command line options -mcpu and -mattr.
+
+; CHECK: vpsadbw %ymm{{[0-9]+}}, %ymm{{[0-9]+}}, %ymm{{[0-9]+}}
+
+define <4 x i64> @foo1(<4 x i64> %s1, <4 x i64> %s2) #0 {
+entry:
+ %0 = bitcast <4 x i64> %s1 to <32 x i8>
+ %1 = bitcast <4 x i64> %s2 to <32 x i8>
+ %2 = tail call <4 x i64> @llvm.x86.avx2.psad.bw(<32 x i8> %0, <32 x i8> %1)
+ ret <4 x i64> %2
+}
+
+declare <4 x i64> @llvm.x86.avx2.psad.bw(<32 x i8>, <32 x i8>)
+
+attributes #0 = { "target-cpu"="core2" "target-features"="+ssse3,+cx16,+sse4.2,+sse4.1,+sse,+sse2,+sse3,+avx,+popcnt" }