1 ; RUN: opt < %s -instcombine -S | FileCheck %s 2 3 define double @pow_half(double %x) { 4 %pow = call fast double @llvm.pow.f64(double %x, double 5.000000e-01) 5 ret double %pow 6 } 7 8 ; CHECK-LABEL: define double @pow_half( 9 ; CHECK-NEXT: %sqrt = call fast double @sqrt(double %x) 10 ; CHECK-NEXT: ret double %sqrt 11 12 declare double @llvm.pow.f64(double, double) 13 14
