[DAGCombiner] Add target hook function to decide folding (mul (add x, c1), c2)

[llvm-project.git] / llvm / test / Transforms / InstCombine / 2008-01-27-FloatSelect.ll

; RUN: opt < %s -instcombine -S | FileCheck %s
; CHECK: select

define double @fold(i1 %a, double %b) {
%s = select i1 %a, double 0., double 1.
%c = fdiv double %b, %s
ret double %c
}