1; RUN: opt < %s -instcombine -S | FileCheck %s 2 3define double @mypow(double %x, double %y) #0 { 4entry: 5 %call = call double @exp2(double %x) 6 %pow = call double @llvm.pow.f64(double %call, double %y) 7 ret double %pow 8} 9 10; CHECK-LABEL: define double @mypow( 11; CHECK: %mul = fmul fast double %x, %y 12; CHECK: %exp2 = call fast double @exp2(double %mul) #0 13; CHECK: ret double %exp2 14; CHECK: } 15 16declare double @exp2(double) #1 17declare double @llvm.pow.f64(double, double) 18attributes #0 = { "unsafe-fp-math"="true" } 19attributes #1 = { "unsafe-fp-math"="true" } 20