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misched: beginning to add unit tests

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llvm-svn: 153163
This commit is contained in:
Andrew Trick 2012-03-21 04:12:19 +00:00
parent 6663a6f2ef
commit c90306da36
1 changed files with 20 additions and 0 deletions
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test/CodeGen/Generic/misched.ll Normal file
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; RUN: llc -enable-misched -misched=shuffle -misched-bottomup < %s
; XFAIL: *
;
; 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
}