1*9880d681SAndroid Build Coastguard Worker; RUN: opt < %s -instcombine -S | FileCheck %s 2*9880d681SAndroid Build Coastguard Worker 3*9880d681SAndroid Build Coastguard Workerdefine double @pow_half(double %x) { 4*9880d681SAndroid Build Coastguard Worker %pow = call fast double @llvm.pow.f64(double %x, double 5.000000e-01) 5*9880d681SAndroid Build Coastguard Worker ret double %pow 6*9880d681SAndroid Build Coastguard Worker} 7*9880d681SAndroid Build Coastguard Worker 8*9880d681SAndroid Build Coastguard Worker; CHECK-LABEL: define double @pow_half( 9*9880d681SAndroid Build Coastguard Worker; CHECK-NEXT: %sqrt = call fast double @sqrt(double %x) 10*9880d681SAndroid Build Coastguard Worker; CHECK-NEXT: ret double %sqrt 11*9880d681SAndroid Build Coastguard Worker 12*9880d681SAndroid Build Coastguard Workerdeclare double @llvm.pow.f64(double, double) 13*9880d681SAndroid Build Coastguard Worker 14