test/CodeGen/Generic/misched.ll


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; RUN: true
; llc -enable-misched -misched=shuffle -misched-bottomup < %s
;
; Interesting MachineScheduler cases.

declare void @llvm.memcpy.p0i8.p0i8.i64(i8* nocapture, i8* nocapture, i64, i32, i1) nounwind

; From oggenc.
; After coalescing, we have a dead superreg (RAX) definition.
define fastcc void @_preextrapolate_helper() nounwind uwtable ssp {
entry:
  br i1 undef, label %for.cond.preheader, label %if.end

for.cond.preheader:                               ; preds = %entry
  call void @llvm.memcpy.p0i8.p0i8.i64(i8* undef, i8* null, i64 128, i32 4, i1 false) nounwind
  unreachable

if.end:                                           ; preds = %entry
  ret void
}