1 ; RUN: opt < %s -instcombine -S | FileCheck %s 2 3 define float @mytan(float %x) #0 { 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: ret float %x 12 13 define float @test2(float ()* %fptr) #0 { 14 %call1 = call float %fptr() 15 %tan = call float @tanf(float %call1) 16 ret float %tan 17 } 18 19 ; CHECK-LABEL: @test2 20 ; CHECK: tanf 21 22 declare float @tanf(float) #0 23 declare float @atanf(float) #0 24 attributes #0 = { "unsafe-fp-math"="true" } 25
