| ; RUN: opt < %s -instcombine -S | FileCheck %s |
| |
| define double @mypow(double %x, double %y) #0 { |
| entry: |
| %call = call double @exp(double %x) |
| %pow = call double @llvm.pow.f64(double %call, double %y) |
| ret double %pow |
| } |
| |
| ; CHECK-LABEL: define double @mypow( |
| ; CHECK: %mul = fmul fast double %x, %y |
| ; CHECK: %exp = call fast double @exp(double %mul) #0 |
| ; CHECK: ret double %exp |
| ; CHECK: } |
| |
| define double @test2(double ()* %fptr, double %p1) #0 { |
| %call1 = call double %fptr() |
| %pow = call double @llvm.pow.f64(double %call1, double %p1) |
| ret double %pow |
| } |
| |
| ; CHECK-LABEL: @test2 |
| ; CHECK: llvm.pow.f64 |
| |
| declare double @exp(double) #1 |
| declare double @llvm.pow.f64(double, double) |
| attributes #0 = { "unsafe-fp-math"="true" } |
| attributes #1 = { "unsafe-fp-math"="true" } |