Mercurial > hg > CbC > CbC_gcc
view gcc/testsuite/gcc.dg/tree-ssa/ssa-dom-thread-2b.c @ 158:494b0b89df80 default tip
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author | Shinji KONO <kono@ie.u-ryukyu.ac.jp> |
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date | Mon, 25 May 2020 18:13:55 +0900 |
parents | 04ced10e8804 |
children |
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/* { dg-do compile } */ /* { dg-options "-O2 -fdump-tree-thread1-stats -fdump-tree-dom2-stats -fdisable-tree-ethread" } */ void foo(); void bla(); /* In the following case, we should be able to thread edge through the loop header. */ void thread_latch_through_header (void) { int i = 0; int first = 1; do { if (first) foo (); first = 0; bla (); } while (i++ < 100); } /* Threading the latch to a later point in the loop is safe in this case. And we want to thread through the header as well. These are both caught by threading in DOM. */ /* { dg-final { scan-tree-dump-not "Jumps threaded" "dom2"} } */ /* { dg-final { scan-tree-dump-times "Jumps threaded: 1" 1 "thread1"} } */