| Dan Gohman | 97121ba | 2009-04-08 00:15:30 +0000 | [diff] [blame^] | 1 | ; RUN: llvm-as < %s | llc -march=x86-64 |
| 2 | |
| 3 | define i64 @foo() nounwind { |
| 4 | entry: |
| 5 | %t0 = load i32* null, align 8 |
| 6 | switch i32 %t0, label %bb65 [ |
| 7 | i32 16, label %bb |
| 8 | i32 12, label %bb56 |
| 9 | ] |
| 10 | |
| 11 | bb: |
| 12 | br label %bb65 |
| 13 | |
| 14 | bb56: |
| 15 | unreachable |
| 16 | |
| 17 | bb65: |
| 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 | |
| 24 | define 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 | } |