1 ; RUN: opt < %s -instcombine -S | FileCheck %s 2 3 define float @mytan(float %x) { 4 entry: 5 %call = call float @atanf(float %x) 6 %call1 = call float @tanf(float %call) 7 ret float %call1 8 } 9 10 ; CHECK-LABEL: define float @mytan( 11 ; CHECK: %call = call float @atanf(float %x) 12 ; CHECK-NEXT: %call1 = call float @tanf(float %call) 13 ; CHECK-NEXT: ret float %call1 14 ; CHECK-NEXT: } 15 16 declare float @tanf(float) 17 declare float @atanf(float) 18