1; RUN: llc < %s -mtriple=x86_64-- 2 3define i64 @foo() nounwind { 4entry: 5 %t0 = load i32, i32* null, align 8 6 switch i32 %t0, label %bb65 [ 7 i32 16, label %bb 8 i32 12, label %bb56 9 ] 10 11bb: 12 br label %bb65 13 14bb56: 15 unreachable 16 17bb65: 18 %a = phi i64 [ 0, %bb ], [ 0, %entry ] 19 tail call void asm "", "{cx}"(i64 %a) nounwind 20 %t15 = and i64 %a, 4294967295 21 ret i64 %t15 22} 23 24define i64 @bar(i64 %t0) nounwind { 25 call void asm "", "{cx}"(i64 0) nounwind 26 %t1 = sub i64 0, %t0 27 %t2 = and i64 %t1, 4294967295 28 ret i64 %t2 29} 30