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| author | Andrew Trick <atrick@apple.com> | 2012-03-21 04:12:19 +0000 |
|---|---|---|
| committer | Andrew Trick <atrick@apple.com> | 2012-03-21 04:12:19 +0000 |
| commit | c6a19dd7fbfce7668920daff2845abb2dd73a134 (patch) | |
| tree | e1459b804aeda14bad6d00ee8126d9df1d5f8c7e | |
| parent | f70af52a8fc735a84aa8d63b84dd56abd0b9e77c (diff) | |
| download | external_llvm-c6a19dd7fbfce7668920daff2845abb2dd73a134.zip external_llvm-c6a19dd7fbfce7668920daff2845abb2dd73a134.tar.gz external_llvm-c6a19dd7fbfce7668920daff2845abb2dd73a134.tar.bz2 | |
misched: beginning to add unit tests
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@153163 91177308-0d34-0410-b5e6-96231b3b80d8
| -rw-r--r-- | test/CodeGen/Generic/misched.ll | 20 |
1 files changed, 20 insertions, 0 deletions
diff --git a/test/CodeGen/Generic/misched.ll b/test/CodeGen/Generic/misched.ll new file mode 100644 index 0000000..6ab1dd2 --- /dev/null +++ b/test/CodeGen/Generic/misched.ll @@ -0,0 +1,20 @@ +; 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 +} |