Mercurial > hg > CbC > CbC_gcc
diff gcc/testsuite/gcc.dg/tree-ssa/ssa-dom-thread-7.c @ 111:04ced10e8804
gcc 7
author | kono |
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date | Fri, 27 Oct 2017 22:46:09 +0900 |
parents | |
children | 84e7813d76e9 |
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--- /dev/null Thu Jan 01 00:00:00 1970 +0000 +++ b/gcc/testsuite/gcc.dg/tree-ssa/ssa-dom-thread-7.c Fri Oct 27 22:46:09 2017 +0900 @@ -0,0 +1,131 @@ +/* { dg-do compile } */ +/* { dg-options "-O2 -fdump-tree-thread1-stats -fdump-tree-thread2-stats -fdump-tree-dom2-stats -fdump-tree-thread3-stats -fdump-tree-dom3-stats -fdump-tree-vrp2-stats -fno-guess-branch-probability" } */ +/* { dg-final { scan-tree-dump "Jumps threaded: 16" "thread1" } } */ +/* { dg-final { scan-tree-dump "Jumps threaded: 9" "thread2" } } */ +/* { dg-final { scan-tree-dump "Jumps threaded: 3" "thread3" } } */ +/* { dg-final { scan-tree-dump-not "Jumps threaded" "dom2" } } */ +/* { dg-final { scan-tree-dump-not "Jumps threaded" "dom3" } } */ +/* { dg-final { scan-tree-dump-not "Jumps threaded" "vrp2" } } */ + +enum STATE { + S0=0, + SI, + S1, + S2, + S3, + S4, + S5, + S6 +}; + +int bar (enum STATE s); + +enum STATE foo (unsigned char **y, unsigned *c) +{ + unsigned char *x = *y; + unsigned char n; + enum STATE s = S0; + + for( ; *x && s != SI; x++ ) + { + n = *x; + if (n == 'x') + { + x++; + break; + } + switch(s) + { + case S0: + if(bar(n)) + s = S3; + else if( n == 'a' || n == 'b' ) + s = S1; + else if( n == 'c' ) + s = S4; + else + { + s = SI; + c[SI]++; + } + c[S0]++; + break; + case S1: + if(bar(n)) + { + s = S3; + c[S1]++; + } + else if( n == 'c' ) + { + s = S4; + c[S1]++; + } + else + { + s = SI; + c[S1]++; + } + break; + case S3: + if( n == 'c' ) + { + s = S4; + c[S3]++; + } + else if(!bar(n)) + { + s = SI; + c[S3]++; + } + break; + case S4: + if( n == 'E' || n == 'e' ) + { + s = S2; + c[S4]++; + } + else if(!bar(n)) + { + s = SI; + c[S4]++; + } + break; + case S2: + if( n == 'a' || n == 'b' ) + { + s = S5; + c[S2]++; + } + else + { + s = SI; + c[S2]++; + } + break; + case S5: + if(bar(n)) + { + s = S6; + c[S5]++; + } + else + { + s = SI; + c[S5]++; + } + break; + case S6: + if(!bar(n)) + { + s = SI; + c[SI]++; + } + break; + default: + break; + } + } + *y=x; + return s; +}