Mercurial > hg > CbC > CbC_gcc
comparison gcc/testsuite/gcc.dg/pr28685-1.c @ 111:04ced10e8804
gcc 7
| author | kono |
|---|---|
| date | Fri, 27 Oct 2017 22:46:09 +0900 |
| parents | |
| children |
comparison
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| 68:561a7518be6b | 111:04ced10e8804 |
|---|---|
| 1 /* { dg-do compile } */ | |
| 2 /* { dg-options "-O2 -fdump-tree-optimized -fno-ipa-icf" } */ | |
| 3 | |
| 4 /* Should produce <=. */ | |
| 5 int test1 (int a, int b) | |
| 6 { | |
| 7 return (a < b || a == b); | |
| 8 } | |
| 9 | |
| 10 /* Should produce <=. */ | |
| 11 int test2 (int a, int b) | |
| 12 { | |
| 13 int lt = a < b; | |
| 14 int eq = a == b; | |
| 15 | |
| 16 return (lt || eq); | |
| 17 } | |
| 18 | |
| 19 /* Should produce <= (just deleting redundant test). */ | |
| 20 int test3 (int a, int b) | |
| 21 { | |
| 22 int lt = a <= b; | |
| 23 int eq = a == b; | |
| 24 | |
| 25 return (lt || eq); | |
| 26 } | |
| 27 | |
| 28 /* Should produce <= (operands reversed to test the swap logic). */ | |
| 29 int test4 (int a, int b) | |
| 30 { | |
| 31 int lt = a < b; | |
| 32 int eq = b == a; | |
| 33 | |
| 34 return (lt || eq); | |
| 35 } | |
| 36 | |
| 37 /* Should produce constant 0. */ | |
| 38 int test5 (int a, int b) | |
| 39 { | |
| 40 int lt = a < b; | |
| 41 int eq = a == b; | |
| 42 | |
| 43 return (lt && eq); | |
| 44 } | |
| 45 | |
| 46 /* { dg-final { scan-tree-dump-times " <= " 4 "optimized" } } */ | |
| 47 /* { dg-final { scan-tree-dump-times "return 0" 1 "optimized" } } */ | |
| 48 /* { dg-final { scan-tree-dump-not " < " "optimized" } } */ | |
| 49 /* { dg-final { scan-tree-dump-not " == " "optimized" } } */ |