| Daniel Dunbar | 0d7b091 | 2009-02-03 21:54:49 +0000 | [diff] [blame] | 1 | // RUN: clang -triple i386-unknown-unknown --emit-llvm-bc -o - %s | opt -std-compile-opts | llvm-dis > %t && |
| Daniel Dunbar | 16f2357 | 2008-07-25 01:11:38 +0000 | [diff] [blame] | 2 | // RUN: grep "ret i32 10" %t |
| 3 | |
| 4 | // Ensure that this doesn't compile to infinite loop in g() due to |
| 5 | // miscompilation of fallthrough from default to a (tested) case |
| 6 | // range. |
| 7 | |
| 8 | static int f0(unsigned x) { |
| 9 | switch(x) { |
| 10 | default: |
| 11 | x += 1; |
| 12 | case 10 ... 0xFFFFFFFF: |
| 13 | return 0; |
| 14 | } |
| 15 | } |
| 16 | |
| 17 | int g() { |
| 18 | f0(1); |
| 19 | return 10; |
| 20 | } |