1 ; RUN: opt < %s -instcombine -S | FileCheck %s 2 3 define double @mypow(double %x, double %y) #0 { 4 entry: 5 %call = call double @exp(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: %exp = call fast double @exp(double %mul) #0 13 ; CHECK: ret double %exp 14 ; CHECK: } 15 16 define double @test2(double ()* %fptr, double %p1) #0 { 17 %call1 = call double %fptr() 18 %pow = call double @llvm.pow.f64(double %call1, double %p1) 19 ret double %pow 20 } 21 22 ; CHECK-LABEL: @test2 23 ; CHECK: llvm.pow.f64 24 25 declare double @exp(double) #1 26 declare double @llvm.pow.f64(double, double) 27 attributes #0 = { "unsafe-fp-math"="true" } 28 attributes #1 = { "unsafe-fp-math"="true" } 29
