| /* PR middle-end/21137 */ |
| /* { dg-do compile } */ |
| /* { dg-options "-O2 -fdump-tree-original" } */ |
| extern void foo(); |
| |
| void test1(int a) |
| { |
| if ((a >> 3) & 1) |
| foo (); |
| } |
| |
| void test2(int b) |
| { |
| if ((b >> 3) & 4) |
| foo (); |
| } |
| |
| int test3(int c) |
| { |
| return (c >> 3) & 1; |
| } |
| |
| int test4(int d) |
| { |
| return (d >> 3) & 4; |
| } |
| |
| void test5(int e) |
| { |
| if ((e >> 31) & 64) |
| foo(); |
| } |
| |
| void test6(unsigned int f) |
| { |
| if ((f >> 31) & 64) |
| foo(); |
| } |
| |
| /* { dg-final { scan-tree-dump-times "\\(a \& 8\\) != 0" 1 "original" } } */ |
| /* { dg-final { scan-tree-dump-times "\\(b \& 32\\) != 0" 1 "original" } } */ |
| /* { dg-final { scan-tree-dump-times "c >> 3 \& 1" 1 "original" } } */ |
| /* { dg-final { scan-tree-dump-times "d >> 3 \& 4" 1 "original" } } */ |
| /* { dg-final { scan-tree-dump-times "e < 0" 1 "original" } } */ |
| /* { dg-final { scan-tree-dump-times "if \\(0\\)" 1 "original" } } */ |
| /* { dg-final { cleanup-tree-dump "original" } } */ |
