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misched: beginning to add unit tests git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@153163 91177308-0d34-0410-b5e6-96231b3b80d8 Andrew Trick 8 years ago
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0 ; RUN: llc -enable-misched -misched=shuffle -misched-bottomup < %s
1 ; XFAIL: *
2 ;
3 ; Interesting MachineScheduler cases.
4
5 declare void @llvm.memcpy.p0i8.p0i8.i64(i8* nocapture, i8* nocapture, i64, i32, i1) nounwind
6
7 ; From oggenc.
8 ; After coalescing, we have a dead superreg (RAX) definition.
9 define fastcc void @_preextrapolate_helper() nounwind uwtable ssp {
10 entry:
11 br i1 undef, label %for.cond.preheader, label %if.end
12
13 for.cond.preheader: ; preds = %entry
14 call void @llvm.memcpy.p0i8.p0i8.i64(i8* undef, i8* null, i64 128, i32 4, i1 false) nounwind
15 unreachable
16
17 if.end: ; preds = %entry
18 ret void
19 }