1; RUN: opt < %s -instcombine -S | FileCheck %s 2 3define float @mytan(float %x) { 4entry: 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 16declare float @tanf(float) 17declare float @atanf(float) 18