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| -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 +} |