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; RUN: llc < %s -march=x86-64
define i64 @foo() nounwind {
entry:
%t0 = load i32* null, align 8
switch i32 %t0, label %bb65 [
i32 16, label %bb
i32 12, label %bb56
]
bb:
br label %bb65
bb56:
unreachable
bb65:
%a = phi i64 [ 0, %bb ], [ 0, %entry ]
tail call void asm "", "{cx}"(i64 %a) nounwind
%t15 = and i64 %a, 4294967295
ret i64 %t15
}
define i64 @bar(i64 %t0) nounwind {
call void asm "", "{cx}"(i64 0) nounwind
%t1 = sub i64 0, %t0
%t2 = and i64 %t1, 4294967295
ret i64 %t2
}
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