1 ; RUN: llc -march=x86-64 -mcpu=core2 -enable-misched -misched=shuffle -misched-bottomup < %s
4 ; Interesting MachineScheduler cases.
6 ; FIXME: There should be an assert in the coalescer that we're not rematting
7 ; "not-quite-dead" copies, but that breaks a lot of tests <rdar://problem/11148682>.
9 declare void @llvm.memcpy.p0i8.p0i8.i64(i8* nocapture, i8* nocapture, i64, i32, i1) nounwind
12 ; After coalescing, we have a dead superreg (RAX) definition.
14 ; CHECK: xorl %esi, %esi
15 ; CHECK: movl $32, %ecx
17 define fastcc void @_preextrapolate_helper() nounwind uwtable ssp {
19 br i1 undef, label %for.cond.preheader, label %if.end
21 for.cond.preheader: ; preds = %entry
22 call void @llvm.memcpy.p0i8.p0i8.i64(i8* undef, i8* null, i64 128, i32 4, i1 false) nounwind
25 if.end: ; preds = %entry