1 ; RUN: opt < %s -instcombine -S | FileCheck %s 2 3 define float @mytan(float %x) { 4 %call = call fast float @atanf(float %x) 5 %call1 = call fast float @tanf(float %call) 6 ret float %call1 7 } 8 9 ; CHECK-LABEL: define float @mytan( 10 ; CHECK: ret float %x 11 12 define float @test2(float ()* %fptr) { 13 %call1 = call fast float %fptr() 14 %tan = call fast float @tanf(float %call1) 15 ret float %tan 16 } 17 18 ; CHECK-LABEL: @test2 19 ; CHECK: tanf 20 21 declare float @tanf(float) 22 declare float @atanf(float) 23 24
