| /* x's mask should be meet(0xc, 0x3) == 0xf */ |
| |
| /* { dg-do compile } */ |
| /* { dg-options "-O2 -fno-early-inlining -fdump-ipa-cp -fdump-tree-optimized" } */ |
| |
| extern int pass_test (); |
| extern int fail_test (); |
| |
| __attribute__((noinline)) |
| static int f1(int x) |
| { |
| if ((x & ~0xf) == 0) |
| return pass_test (); |
| else |
| return fail_test (); |
| } |
| |
| __attribute__((noinline)) |
| static int f2(int y) |
| { |
| return f1(y & 0x03); |
| } |
| |
| __attribute__((noinline)) |
| static int f3(int z) |
| { |
| return f1(z & 0xc); |
| } |
| |
| extern int a; |
| extern int b; |
| |
| int main(void) |
| { |
| int k = f2(a); |
| int l = f3(b); |
| return k + l; |
| } |
| |
| /* { dg-final { scan-ipa-dump "Adjusting mask for param 0 to 0xf" "cp" } } */ |
| /* { dg-final { scan-tree-dump-not "fail_test" "optimized" } } */ |
