| /* PR tree-optimization/106243 */ |
| /* { dg-do compile } */ |
| /* { dg-options "-O2 -Wno-psabi -fdump-tree-optimized" } */ |
| |
| #define vector __attribute__((vector_size(4*sizeof(int)))) |
| |
| /* Test from PR. */ |
| __attribute__((noipa)) int foo (int x) { |
| return -x & 1; |
| } |
| |
| /* Other test from PR. */ |
| __attribute__((noipa)) int bar (int x) { |
| return (0 - x) & 1; |
| } |
| |
| /* Forward propogation. */ |
| __attribute__((noipa)) int baz (int x) { |
| x = -x; |
| return x & 1; |
| } |
| |
| /* Commutative property. */ |
| __attribute__((noipa)) int qux (int x) { |
| return 1 & -x; |
| } |
| |
| /* Vector test case. */ |
| __attribute__((noipa)) vector int waldo (vector int x) { |
| return -x & 1; |
| } |
| |
| /* Should not simplify. */ |
| __attribute__((noipa)) int thud (int x) { |
| return -x & 2; |
| } |
| |
| /* Should not simplify. */ |
| __attribute__((noipa)) int corge (int x) { |
| return -x & -1; |
| } |
| |
| /* { dg-final {scan-tree-dump-times "-" 2 "optimized" } } */ |
