1; RUN: llc < %s -march=x86 -mattr=+sse2 2 3define <4 x float> @t1(<4 x float> %Q) { 4 %tmp15 = fsub <4 x float> < float -0.000000e+00, float -0.000000e+00, float -0.000000e+00, float -0.000000e+00 >, %Q 5 ret <4 x float> %tmp15 6} 7 8define <4 x float> @t2(<4 x float> %Q) { 9 %tmp15 = fsub <4 x float> zeroinitializer, %Q 10 ret <4 x float> %tmp15 11} 12