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

[llvm-project.git] / llvm / test / Transforms / InstCombine / switch-truncate-crash.ll

; RUN: opt -instcombine < %s

define void @test() {
  switch i32 0, label %out [i32 0, label %out]
out:
  ret void
}