Mercurial > hg > CbC > CbC_gcc
comparison gcc/testsuite/gcc.dg/pointer-range-check-1.c @ 131:84e7813d76e9
gcc-8.2
| author | mir3636 |
|---|---|
| date | Thu, 25 Oct 2018 07:37:49 +0900 |
| parents | |
| children |
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| 111:04ced10e8804 | 131:84e7813d76e9 |
|---|---|
| 1 /* { dg-do compile { target { ilp32 || lp64 } } } */ | |
| 2 /* { dg-options "-O2 -fno-ipa-icf -fdump-tree-optimized" } */ | |
| 3 | |
| 4 /* All four functions should be folded to: | |
| 5 | |
| 6 (sizetype) (a + 15 - b) < 30. */ | |
| 7 | |
| 8 _Bool | |
| 9 f1 (char *a, char *b) | |
| 10 { | |
| 11 return (a + 16 <= b) || (b + 16 <= a); | |
| 12 } | |
| 13 | |
| 14 _Bool | |
| 15 f2 (char *a, char *b) | |
| 16 { | |
| 17 return (a + 15 < b) || (b + 15 < a); | |
| 18 } | |
| 19 | |
| 20 _Bool | |
| 21 f3 (char *a, char *b) | |
| 22 { | |
| 23 return (a + 16 <= b) | (b + 16 <= a); | |
| 24 } | |
| 25 | |
| 26 _Bool | |
| 27 f4 (char *a, char *b) | |
| 28 { | |
| 29 return (a + 15 < b) | (b + 15 < a); | |
| 30 } | |
| 31 | |
| 32 /* { dg-final { scan-tree-dump-times { = [^\n]* - [^\n]*;} 4 "optimized" } } */ | |
| 33 /* { dg-final { scan-tree-dump-times { = [^\n]* \+ [^\n]*;} 4 "optimized" } } */ | |
| 34 /* { dg-final { scan-tree-dump-times { = [^\n]*\ > [^\n]*;} 4 "optimized" } } */ | |
| 35 /* { dg-final { scan-tree-dump-not {=[^\n]*\ < [^\n]*;} "optimized" } } */ | |
| 36 /* { dg-final { scan-tree-dump-times { \+ 15} 4 "optimized" } } */ | |
| 37 /* { dg-final { scan-tree-dump-times { > 30} 4 "optimized" } } */ |