1 ; RUN: opt < %s -instcombine -S | grep 0.0 | count 1 2 3 declare double @abs(double) 4 5 define double @test(double %X) { 6 %Y = fadd double %X, 0.0 ;; Should be a single add x, 0.0 7 %Z = fadd double %Y, 0.0 8 ret double %Z 9 } 10 11 define double @test1(double %X) { 12 %Y = call double @abs(double %X) 13 %Z = fadd double %Y, 0.0 14 ret double %Z 15 } 16