1*9880d681SAndroid Build Coastguard Worker; RUN: opt < %s -instcombine -S | FileCheck %s 2*9880d681SAndroid Build Coastguard Worker 3*9880d681SAndroid Build Coastguard Workerdefine float @mytan(float %x) { 4*9880d681SAndroid Build Coastguard Worker %call = call fast float @atanf(float %x) 5*9880d681SAndroid Build Coastguard Worker %call1 = call fast float @tanf(float %call) 6*9880d681SAndroid Build Coastguard Worker ret float %call1 7*9880d681SAndroid Build Coastguard Worker} 8*9880d681SAndroid Build Coastguard Worker 9*9880d681SAndroid Build Coastguard Worker; CHECK-LABEL: define float @mytan( 10*9880d681SAndroid Build Coastguard Worker; CHECK: ret float %x 11*9880d681SAndroid Build Coastguard Worker 12*9880d681SAndroid Build Coastguard Workerdefine float @test2(float ()* %fptr) { 13*9880d681SAndroid Build Coastguard Worker %call1 = call fast float %fptr() 14*9880d681SAndroid Build Coastguard Worker %tan = call fast float @tanf(float %call1) 15*9880d681SAndroid Build Coastguard Worker ret float %tan 16*9880d681SAndroid Build Coastguard Worker} 17*9880d681SAndroid Build Coastguard Worker 18*9880d681SAndroid Build Coastguard Worker; CHECK-LABEL: @test2 19*9880d681SAndroid Build Coastguard Worker; CHECK: tanf 20*9880d681SAndroid Build Coastguard Worker 21*9880d681SAndroid Build Coastguard Workerdeclare float @tanf(float) 22*9880d681SAndroid Build Coastguard Workerdeclare float @atanf(float) 23*9880d681SAndroid Build Coastguard Worker 24