1 ; RUN: opt < %s -reassociate -S | FileCheck %s 2 3 define <4 x float> @test1() { 4 ; CHECK-LABEL: test1 5 ; CHECK-NEXT: %tmp1 = fsub <4 x float> zeroinitializer, zeroinitializer 6 ; CHECK-NEXT: %tmp2 = fmul <4 x float> zeroinitializer, %tmp1 7 ; CHECK-NEXT: ret <4 x float> %tmp2 8 9 %tmp1 = fsub <4 x float> zeroinitializer, zeroinitializer 10 %tmp2 = fmul <4 x float> zeroinitializer, %tmp1 11 ret <4 x float> %tmp2 12 } 13