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

[llvm-project.git] / llvm / test / Transforms / InstCombine / binop-cast.ll

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

define i32 @testAdd(i32 %X, i32 %Y) {
        %tmp = add i32 %X, %Y
; CHECK: %tmp = add i32 %X, %Y
        %tmp.l = bitcast i32 %tmp to i32
        ret i32 %tmp.l
; CHECK: ret i32 %tmp
}